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RUBICON RIVER - HELL HOLE RESERVOIR (HLLC1)
Latitude:
39.07º N
Longitude:
120.41º W
Elevation:
4850 Feet
Location: Placer County in CA
River Group: Lower Sacramento
Issuance Time: May 12 2025 at 7:49 AM PDT

2025 Seasonal Trend Tabular (Apr-Jul)Plot View  |  Select a Different Water Year:  

# Tabular Seasonal Trend Plot for HLLC1
#
# File Generation Time:  05/12/2025  07:49 AM PDT
# Interval:  1 Day
#
# Latest Forecast April-July Percent of Average:  81 %  ( 154 kaf )
# 30 Year April-July Volume Mean: 191 kaf
#
# Peak April-July Volume and Date:     3.48 kaf  on  05/11/2025
# Peak Water Year Volume and Date:     6.71 kaf  on  02/03/2025
#
#               Min       90%       75%       50%       25%       10%       Max
#               Exceed    Exceed    Exceed    Exceed    Exceed    Exceed    Exceed    Raw Obs  Raw Avg
#               Apr-Jul   Apr-Jul   Apr-Jul   Apr-Jul   Apr-Jul   Apr-Jul   Apr-Jul   Apr-Jul  Apr-Jul  Raw Daily
# Date          Forecast  Forecast  Forecast  Forecast  Forecast  Forecast  Forecast  To Date  To Date  Observation
# (mm/dd/YYYY)  (kaf)     (kaf)     (kaf)     (kaf)     (kaf)     (kaf)     (kaf)     (kaf)    (kaf)    (kaf)
# -----------------------------------------------------------------------------------------------------------------
  10/01/2024       22.5      80.6     108       162       257       338       433                          0.019611
  10/02/2024       22.5      80.8     109       162       237       328       363                         -0.018159
  10/03/2024       22.4      80.7     110       162       237       328       363                         -0.057785
  10/04/2024       22.4      80.7     108       162       237       328       363                          0.028360
  10/05/2024       22.4      80.5     108       162       237       328       363                         -0.019299
  10/06/2024       22.3      80.4     107       162       237       328       363                         -0.012492
  10/07/2024       22.4      80.8     111       162       237       328       363                         -0.017133
  10/08/2024       22.4      80.7     118       162       238       330       363                          0.000000
  10/09/2024       22.5      81.3     112       163       238       331       363                          0.006859
  10/10/2024       22.8      80.8     110       162       239       332       363                          0.006911
  10/11/2024       22.5      81.3     108       162       240       334       363                          0.007686
  10/12/2024       22.5      81.3     115       163       246       335       366                          0.036857
  10/13/2024       22.4      80.1     109       163       241       328       362                          0.003628
  10/14/2024       22.4      81.0     115       169       243       333       365                          0.003533
  10/15/2024       22.4      80.4     108       163       240       330       363                          0.002882
  10/16/2024       22.3      80.8     111       166       242       334       365                          0.004649
  10/17/2024       20.7      78.2     110       163       251       341       436                          0.054838
  10/18/2024       21.9      79.7     114       165       251       337       428                          0.014499
  10/19/2024       22.4      80.2     116       168       252       342       430                         -0.021951
  10/20/2024       23.3      80.5     115       170       252       342       441                          0.000000
  10/21/2024       23.4      81.1     118       166       252       341       452                          0.019155
  10/22/2024       22.3      80.2     116       163       251       345       425                          0.014852
  10/23/2024       22.4      79.7     123       162       254       334       423                          0.021168
  10/24/2024       23.1      79.7     121       164       254       335       423                          0.012397
  10/25/2024       23.9      80.5     117       165       251       333       420                          0.017126
  10/26/2024       22.8      81.6     119       170       255       340       438                          0.015178
  10/27/2024       22.4      79.8     115       164       249       334       423                          0.016348
  10/28/2024       23.6      80.8     114       165       250       331       429                          0.023241
  10/29/2024       25.3      85.2     115       174       255       343       444                          0.039162
  10/30/2024       25.3      84.3     124       177       253       339       440                          0.022814
  10/31/2024       22.7      81.5     114       163       249       330       414                          0.070593
  11/01/2024       22.4      80.9     119       173       250       326       412                         -0.071638
  11/02/2024       22.2      79.0     110       163       251       320       407                          0.049877
  11/03/2024       23.1      82.7     116       174       256       328       407                          0.039174
  11/04/2024       22.3      79.0     111       163       252       323       399                          0.014285
  11/05/2024       24.1      81.9     120       178       255       329       414                          0.019543
  11/06/2024       22.9      83.9     123       175       259       333       403                          0.023828
  11/07/2024       21.8      80.9     116       166       257       336       398                          0.000000
  11/08/2024       22.3      79.6     111       167       250       333       391                          0.221799
  11/09/2024       23.2      78.9     115       169       252       335       390                          0.056202
  11/10/2024       25.0      84.7     125       172       254       338       408                          0.018332
  11/11/2024       25.5      84.8     126       164       264       332       408                          0.017211
  11/12/2024       24.3      88.8     120       170       263       331       402                          0.065089
  11/13/2024       24.6      82.9     120       165       253       321       416                          0.022412
  11/14/2024       22.6      81.3     122       152       251       313       394                          0.037815
  11/15/2024       22.0      78.9     117       152       250       314       404                          0.045448
  11/16/2024       23.5      82.9     126       160       254       319       408                          0.048193
  11/17/2024       24.4      85.3     117       163       251       336       405                          0.029308
  11/18/2024       26.9      87.6     136       182       276       352       397                          0.063071
  11/19/2024       30.2      93.6     137       179       276       346       400                          0.077271
  11/20/2024       32.1      97.1     131       174       274       345       414                          0.031641
  11/21/2024       31.3     111       143       187       283       358       417                          0.090315
  11/22/2024       26.8      86.8     131       167       275       350       395                          0.161516
  11/23/2024       28.7      94.2     128       171       257       334       388                          0.369006
  11/24/2024       28.3      89.5     120       161       254       320       394                          0.466698
  11/25/2024       25.6      82.1     110       150       253       313       375                          0.133023
  11/26/2024       26.1      78.4     113       149       242       313       379                          0.222713
  11/27/2024       24.8      74.5     102       147       235       315       359                          0.338893
  11/28/2024       26.1      80.9     105       150       237       321       365                          0.112925
  11/29/2024       25.4      78.8     102       147       223       320       357                          0.083127
  11/30/2024       26.6      87.7     100       148       233       322       363                          0.069825
  12/01/2024       27.1      85.0     103       150       236       321       359                          0.066318
  12/02/2024       24.3      82.8     104       148       237       316       358                          0.070851
  12/03/2024       25.9      83.0     103       150       234       315       370                          0.073969
  12/04/2024       25.6      85.3     100       147       228       318       367                          0.079060
  12/05/2024       24.8      84.9     104       152       229       319       367                          0.021801
  12/06/2024       25.6      79.9      99.3     150       230       320       389                          0.092056
  12/07/2024       23.5      79.6      97.6     143       229       313       363                          0.080346
  12/08/2024       22.0      74.2      93.4     136       230       297       361                          0.063238
  12/09/2024       27.4      83.5     113       151       240       317       379                          0.065759
  12/10/2024       30.3      95.4     112       155       250       323       386                          0.037716
  12/11/2024       31.5      95.0     120       158       252       329       381                          0.073407
  12/12/2024       31.7      87.8     119       152       246       316       365                          0.062932
  12/13/2024       27.6      87.2     120       156       245       318       360                          0.101283
  12/14/2024       34.3      83.9     121       159       248       320       345                          0.084128
  12/15/2024       36.4      98.1     129       168       251       317       356                          0.246067
  12/16/2024       36.1      93.7     121       165       253       307       348                          0.054354
  12/17/2024       36.3      91.7     121       164       254       308       371                          0.169433
  12/18/2024       38.1      97.8     122       166       253       307       394                          0.176119
  12/19/2024       44.3      98.4     123       165       256       309       375                          0.232327
  12/20/2024       39.7     102       120       168       253       321       365                          0.183398
  12/21/2024       38.1      96.1     121       163       251       313       357                          0.181010
  12/22/2024       38.4     101       129       167       263       323       361                          0.272963
  12/23/2024       38.7     102       129       164       259       321       379                          0.974261
  12/24/2024       38.2     107       130       170       253       317       371                          0.977360
  12/25/2024       36.3     100       123       168       262       312       358                          1.120529
  12/26/2024       39.6      99.2     132       164       248       310       356                          0.603484
  12/27/2024       41.3      97.1     129       157       247       311       343                          0.821508
  12/28/2024       41.3      98.3     128       159       242       309       331                          1.611618
  12/29/2024       42.1      98.0     131       158       247       307       319                          1.965282
  12/30/2024       42.3      98.9     130       155       240       306       323                          3.128943
  12/31/2024       41.9     100       133       157       243       297       337                          1.378197
  01/01/2025       42.1     100       129       161       240       294       314                          0.796338
  01/02/2025       43.3     107       131       161       245       297       322                          0.560610
  01/03/2025       44.0     108       131       168       250       299       326                          0.523749
  01/04/2025       46.2     102       132       163       236       297       326                          0.607949
  01/05/2025       46.6     106       140       174       244       293       331                          0.476585
  01/06/2025       46.6     104       133       169       241       304       331                          0.435969
  01/07/2025       46.1     105       132       176       236       295       334                          0.417715
  01/08/2025       45.7     100       130       165       228       282       319                          0.369899
  01/09/2025       45.2     103       131       165       225       285       332                          0.324477
  01/10/2025       47.6     103       130       161       225       293       322                          0.293042
  01/11/2025       52.5     104       136       173       235       298       331                          0.294213
  01/12/2025       52.3      88.1     130       159       219       279       306                          0.394004
  01/13/2025       48.6      81.4     126       153       209       273       302                          0.283867
  01/14/2025       49.9      82.3     127       156       214       273       306                          0.231234
  01/15/2025       48.0      80.6     127       157       210       277       310                          0.197071
  01/16/2025       47.4      77.3     124       153       208       282       307                          0.216420
  01/17/2025       49.3      81.7     130       156       210       282       303                          0.216035
  01/18/2025       49.4      90.2     133       156       215       280       313                          0.210049
  01/19/2025       48.7      81.7     115       145       210       266       300                          0.204953
  01/20/2025       49.8      83.5     118       144       210       258       299                          0.201988
  01/21/2025       51.3      80.2     109       135       207       252       287                          0.178219
  01/22/2025       53.4      85.7     115       136       205       257       281                          0.204548
  01/23/2025       51.6      78.8     108       133       204       250       275                          0.145305
  01/24/2025       49.9      88.2     125       148       214       280       293                         -0.044252
  01/25/2025       57.7      91.4     126       153       214       272       296                         -0.251141
  01/26/2025       58.5      84.8     121       147       210       270       292                          0.178539
  01/27/2025       56.0      84.1     117       143       206       258       322                          0.171950
  01/28/2025       68.4      83.4     110       141       208       240       307                          0.000000
  01/29/2025       81.3      96.8     128       165       214       275       311                          0.148108
  01/30/2025       95.8     116       150       193       245       298       337                          0.101478
  01/31/2025      104       128       148       194       241       308       337                          0.130782
  02/01/2025      110       131       160       203       257       315       345                          0.282157
  02/02/2025      115       135       161       191       256       303       358                          5.314267
  02/03/2025      116       132       158       189       261       301       348                          6.708538
  02/04/2025       95.4     115       149       170       251       292       310                          3.811438
  02/05/2025       96.5     112       132       163       239       276       299                          4.479812
  02/06/2025       93.4     110       149       174       243       295       319                          2.865340
  02/07/2025       92.3     113       140       171       240       290       314                          2.255531
  02/08/2025       92.6     116       137       172       236       279       301                          1.891476
  02/09/2025       95.9     114       133       168       229       286       306                          1.400174
  02/10/2025       93.6     110       131       167       225       280       309                          1.146279
  02/11/2025       91.2     112       131       163       218       278       292                          0.848264
  02/12/2025       94.8     114       139       171       225       276       287                          0.673398
  02/13/2025       99.0     113       133       167       221       266       284                          0.650671
  02/14/2025      105       113       133       168       224       271       291                          2.470945
  02/15/2025       98.8     107       128       160       216       254       277                          1.321342
  02/16/2025       95.5     111       128       158       219       261       291                          0.849103
  02/17/2025       94.6     110       129       158       212       258       282                          0.772409
  02/18/2025       94.8     107       124       155       212       250       272                          0.666539
  02/19/2025       87.9      96.4     116       150       201       234       260                          0.571165
  02/20/2025       93.7     102       124       153       204       245       267                          0.614802
  02/21/2025       94.6     110       130       166       218       258       286                          0.537529
  02/22/2025       93.0     111       129       169       218       254       288                          0.512074
  02/23/2025       98.3     114       134       165       218       249       291                          0.532982
  02/24/2025       98.1     119       136       174       228       270       290                          0.604884
  02/25/2025      110       128       152       186       247       276       316                          0.734226
  02/26/2025      114       134       156       181       248       276       314                          0.741581
  02/27/2025      121       135       156       180       229       265       306                          0.653232
  02/28/2025      118       136       148       180       231       268       289                          0.654307
  03/01/2025      119       139       150       178       225       268       286                          0.685464
  03/02/2025     Missing   Missing   Missing   Missing   Missing   Missing   Missing                       0.749019
  03/03/2025      130       153       165       196       239       296       336                          0.765383
  03/04/2025      133       155       168       199       252       302       339                          0.639100
  03/05/2025      140       161       168       197       248       298       335                          0.560670
  03/06/2025      143       163       170       206       251       307       324                          0.631166
  03/07/2025      144       153       162       200       247       287       308                          0.552074
  03/08/2025      138       148       155       197       235       266       277                          0.466206
  03/09/2025      138       161       166       203       240       282       294                          0.459264
  03/10/2025      144       157       167       200       235       270       293                          0.483066
  03/11/2025      150       157       168       204       241       287       300                          0.478932
  03/12/2025      145       161       172       214       251       289       321                          0.484139
  03/13/2025      149       164       177       209       254       278       317                          0.716456
  03/14/2025      149       165       181       202       252       282       289                          0.634224
  03/15/2025      149       160       174       197       241       262       279                          0.553728
  03/16/2025      138       153       170       190       224       251       264                          0.484553
  03/17/2025      138       145       166       177       213       242       255                          0.689845
  03/18/2025      141       151       170       187       217       254       271                          0.925467
  03/19/2025      142       151       170       185       215       244       272                          0.610339
  03/20/2025      139       151       165       181       204       230       249                          0.578686
  03/21/2025      140       152       169       183       211       232       251                          0.600421
  03/22/2025      139       155       170       185       212       238       244                          0.571496
  03/23/2025      144       159       178       189       223       249       261                          0.604884
  03/24/2025      144       159       174       193       221       252       268                          0.865798
  03/25/2025      150       165       179       198       223       258       287                          1.328037
  03/26/2025      156       168       186       199       228       259       274                          1.772422
  03/27/2025      156       170       183       200       228       257       268                          2.103585
  03/28/2025      155       171       187       203       229       254       269                          2.391109
  03/29/2025      151       166       184       194       218       238       248                          1.713992
  03/30/2025      157       165       183       195       218       238       243                          1.386714
  03/31/2025      161       180       187       207       226       241       252                          1.681264
  04/01/2025      174       180       190       202       222       238       256                          1.891846
  04/02/2025      173       178       189       197       221       234       242        1.20     1.18     1.196711
  04/03/2025      175       181       188       198       218       237       245        2.15     2.42     0.948857
  04/04/2025      148       153       161       169       191       208       216        2.99     3.74     0.846211
  04/05/2025      145       151       160       167       187       204       213        3.81     5.04     0.813483
  04/06/2025      143       150       160       166       186       202       211        4.63     6.34     0.828524
  04/07/2025      142       150       159       166       186       204       213        5.61     7.79     0.973155
  04/08/2025      141       149       156       163       179       193       209        7.01     9.59     1.400764
  04/09/2025      139       149       157       164       181       195       208        8.87    11.10     1.865894
  04/10/2025      139       148       157       162       177       193       207       10.90    12.62     2.026310
  04/11/2025      139       148       156       162       179       193       207       13.18    14.09     2.280198
  04/12/2025      139       148       152       161       176       193       206       15.66    15.77     2.475408
  04/13/2025      142       148       155       162       180       194       207       18.20    17.35     2.546649
  04/14/2025      142       148       154       161       178       192       208       20.59    18.95     2.389126
  04/15/2025      138       145       152       159       177       188       206       22.86    20.53     2.271272
  04/16/2025      137       143       151       158       173       182       207       25.27    22.04     2.411275
  04/17/2025      137       144       150       158       169       182       207       27.84    23.53     2.562765
  04/18/2025      137       144       149       158       170       181       208       30.47    25.11     2.629790
  04/19/2025      137       142       149       158       168       180       207       32.67    26.75     2.205817
  04/20/2025      137       143       152       160       170       181       208       34.60    28.48     1.927714
  04/21/2025      137       142       149       156       164       174       205       36.76    30.23     2.164990
  04/22/2025      138       142       148       156       162       175       200       39.15    31.97     2.384911
  04/23/2025      138       143       151       157       165       175       203       41.64    33.76     2.487722
  04/24/2025      143       147       157       162       172       179       211       44.08    35.71     2.441441
  04/25/2025      143       145       153       160       166       177       203       46.32    37.67     2.238959
  04/26/2025      146       150       157       162       171       182       212       48.29    39.68     1.968707
  04/27/2025      144       150       156       162       171       182       210       49.99    41.89     1.701347
  04/28/2025      144       151       158       162       174       182       206       51.34    44.13     1.351920
  04/29/2025      146       155       159       164       176       184       211       52.56    46.41     1.219936
  04/30/2025      148       150       155       159       172       187       199       54.07    48.77     1.507873
  05/01/2025      145       148       151       159       165       180       194       56.31    51.21     2.245735
  05/02/2025      142       147       151       156       163       172       194       58.79    53.95     2.477144
  05/03/2025      142       146       149       153       160       170       192       61.57    56.65     2.781942
  05/04/2025      143       145       149       152       160       172       195       64.21    59.29     2.638468
  05/05/2025      144       148       151       154       163       177       200       66.71    61.83     2.498797
  05/06/2025      145       146       149       153       161       171       193       69.16    64.50     2.447722
  05/07/2025      145       148       151       154       165       173       194       71.49    67.03     2.337224
  05/08/2025      145       149       154       158       167       174       192       73.84    69.53     2.346728
  05/09/2025      144       147       149       154       160       168       182       76.45    72.10     2.610451
  05/10/2025      143       145       147       150       155       164       178       79.52    74.57     3.069714
  05/11/2025      143       145       148       151       157       163       173       83.00    76.85     3.481622
  05/12/2025      145       146       149       154       159       167       180       86.34    79.08     3.335255
#
# -----------------------------------------------------------------------------------------------------------------
Text Products (RNOHFSAJV and RNOHFSWSV)
Raw ESP April-July Streamflow Volumes Tracker
April to July Streamflow Volume Accumulation Forecast

Location Photographs

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast   (CAZ069)
Today: Mostly cloudy. At lower elevations, a chance of rain showers early in the morning. A slight chance of rain showers late in the morning, then a chance of rain showers in the afternoon. At higher elevations, a chance of snow showers early in the morning. A slight chance of rain and snow showers late in the morning, then a chance of rain showers early in the afternoon. Heavy snow showers likely in the afternoon. Rain showers likely late in the afternoon. Highs 34 to 49 higher elevations and 48 to 58 lower elevations. No snow accumulation lower elevations and 3 to 5 inches higher elevations. Snow level 5500 feet increasing to 6500 feet in the afternoon. Light winds becoming west up to 10 mph in the afternoon.

Tonight: Partly cloudy in the evening then clearing. At higher elevations, a chance of snow showers, a slight chance of showers and thunderstorms in the evening. Lows 23 to 38 higher elevations and 36 to 46 lower elevations. Snow level 7000 feet. Prevailing north winds up to 10 mph shifting to the northeast after midnight.

Wednesday: Sunny. Not as cool. Highs 45 to 60 higher elevations and 58 to 68 lower elevations. Light winds becoming west up to 10 mph in the afternoon.

Wednesday Night: Partly cloudy in the evening then clearing. Lows 28 to 43 higher elevations and 41 to 51 lower elevations. Prevailing west winds up to 10 mph shifting to the northeast after midnight.

Thursday: Mostly sunny. Warmer. Highs 52 to 67 higher elevations and 64 to 74 lower elevations. Prevailing east winds up to 10 mph shifting to the west in the afternoon.

Thursday Night: Mostly cloudy. Lows 38 to 53.

Friday: Mostly cloudy. Highs 56 to 71.

Friday Night: Mostly cloudy. Lows 37 to 52.

Saturday: Mostly cloudy with a chance of rain showers. Highs 45 to 60.

Saturday Night: Mostly cloudy with a chance of rain and snow showers. Colder. Lows 32 to 47.

Sunday: Partly cloudy with a slight chance of rain showers, thunderstorms and snow showers. Highs 46 to 61.

Sunday Night: Mostly clear. Lows 33 to 48.

Monday: Sunny, warmer. Highs 57 to 72.