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SACRAMENTO RIVER - SHASTA LAKE (SHDC1)
Latitude:
40.72º N
Longitude:
122.42º W
Elevation:
1070 Feet
Location: Shasta County in CA
River Group: Upper Sacramento
Issuance Time: May 11 2025 at 9:09 AM PDT

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

# Tabular Seasonal Trend Plot for SHDC1
#
# File Generation Time:  05/11/2025  09:09 AM PDT
# Interval:  1 Day
#
# Latest Forecast April-July Percent of Average:  103 %  ( 1750 kaf )
# 30 Year April-July Volume Mean: 1700 kaf
#
# Peak April-July Volume and Date:     44.3 kaf  on  04/01/2025
# Peak Water Year Volume and Date:      211 kaf  on  02/05/2025
#
#               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      741       896      1070      1410      2100      2720      3330                          2.789563
  10/02/2024      744       900      1070      1380      2100      2690      3280                          3.703625
  10/03/2024      742       902      1070      1380      2100      2690      3280                          7.608990
  10/04/2024      742       899      1070      1380      2100      2690      3270                          4.855301
  10/05/2024      742       895      1070      1380      2100      2690      3270                          5.135387
  10/06/2024      742       893      1060      1380      2100      2680      3270                          5.238834
  10/07/2024      743       894      1080      1380      2100      2690      3270                          5.075673
  10/08/2024      741       900      1090      1390      2100      2710      3280                          5.468684
  10/09/2024      741       900      1080      1380      2100      2710      3270                          4.672350
  10/10/2024      743       900      1070      1380      2100      2700      3280                          5.628114
  10/11/2024      747       902      1070      1380      2100      2690      3270                          4.869439
  10/12/2024      753       911      1080      1390      2100      2710      3300                          5.373835
  10/13/2024      746       898      1070      1380      2100      2700      3270                          5.253331
  10/14/2024      751       908      1080      1400      2110      2710      3300                          5.888155
  10/15/2024      748       903      1070      1380      2110      2700      3280                          5.509883
  10/16/2024      749       904      1080      1390      2110      2710      3280                          5.352501
  10/17/2024      757       911      1100      1410      2100      2680      3300                          5.298690
  10/18/2024      759       909      1090      1400      2100      2670      3280                          5.862835
  10/19/2024      754       911      1100      1400      2100      2680      3280                          5.473300
  10/20/2024      760       910      1120      1410      2100      2680      3280                          5.065966
  10/21/2024      753       911      1100      1420      2100      2680      3300                          4.749699
  10/22/2024      745       910      1090      1400      2100      2650      3300                          5.824419
  10/23/2024      744       910      1100      1400      2100      2650      3270                          5.693627
  10/24/2024      744       911      1100      1390      2100      2660      3270                          4.919362
  10/25/2024      748       909      1100      1400      2100      2640      3250                          4.427668
  10/26/2024      764       915      1100      1410      2110      2660      3280                          5.972596
  10/27/2024      750       907      1100      1380      2100      2640      3240                          5.241391
  10/28/2024      761       920      1100      1400      2110      2680      3270                          5.435141
  10/29/2024      778       938      1110      1440      2130      2700      3310                          5.167230
  10/30/2024      767       925      1100      1430      2120      2670      3280                          6.366680
  10/31/2024      759       912      1100      1400      2110      2640      3230                          5.617145
  11/01/2024      765       914      1100      1410      2120      2640      3260                          6.117745
  11/02/2024      764       906      1100      1380      2110      2600      3240                          7.804678
  11/03/2024      768       923      1120      1440      2130      2650      3350                          5.891423
  11/04/2024      731       886      1060      1360      2090      2580      3220                          6.352782
  11/05/2024      771       892      1070      1420      2120      2580      3340                          4.868437
  11/06/2024      756       901      1070      1390      2110      2610      3290                          6.310184
  11/07/2024      752       889      1070      1370      2100      2600      3230                          2.437001
  11/08/2024      756       897      1090      1380      2100      2620      3250                          6.917460
  11/09/2024      764       902      1090      1370      2100      2630      3300                          4.708924
  11/10/2024      779       911      1100      1390      2120      2650      3230                          4.908357
  11/11/2024      759       900      1090      1380      2110      2610      3190                          6.663723
  11/12/2024      733       895      1090      1370      2110      2620      3220                          7.497186
  11/13/2024      752       898      1110      1360      2110      2620      3210                          5.721037
  11/14/2024      735       876      1070      1320      2080      2600      3170                          9.400646
  11/15/2024      762       911      1090      1350      2100      2640      3210                          8.528318
  11/16/2024      782       936      1100      1360      2120      2690      3250                          6.804434
  11/17/2024      820       982      1160      1440      2200      2800      3350                          6.661575
  11/18/2024      834      1010      1210      1490      2220      2850      3480                          6.628744
  11/19/2024      849      1000      1200      1520      2230      2780      3450                          5.568105
  11/20/2024      878      1010      1210      1510      2250      2740      3390                          7.530842
  11/21/2024      856      1010      1230      1560      2270      2770      3400                         24.304591
  11/22/2024      834       946      1190      1500      2220      2720      3360                         37.746473
  11/23/2024      832       936      1190      1490      2230      2700      3340                         64.787477
  11/24/2024      818       943      1190      1490      2210      2680      3350                         33.928672
  11/25/2024      825       932      1190      1470      2220      2680      3360                         24.503570
  11/26/2024      819       934      1200      1440      2220      2710      3320                         34.930209
  11/27/2024      802       927      1160      1420      2200      2680      3340                         28.980587
  11/28/2024      822       939      1160      1450      2240      2700      3340                         19.675983
  11/29/2024      821       941      1160      1440      2230      2690      3350                         15.890568
  11/30/2024      801       940      1130      1440      2200      2660      3270                         12.764590
  12/01/2024      860       993      1190      1490      2280      2740      3280                         11.432146
  12/02/2024      856       981      1190      1500      2260      2750      3280                          9.806902
  12/03/2024      873      1010      1210      1510      2300      2760      3290                         10.204179
  12/04/2024      880      1010      1230      1520      2290      2810      3310                          7.435959
  12/05/2024      864      1030      1240      1520      2290      2780      3340                          7.443643
  12/06/2024      877      1020      1230      1530      2300      2810      3320                          9.350546
  12/07/2024      882       998      1200      1530      2270      2750      3300                          9.075772
  12/08/2024      863       965      1160      1500      2250      2730      3280                          8.155305
  12/09/2024      905      1050      1230      1540      2350      2910      3420                          7.910069
  12/10/2024      938      1110      1300      1590      2400      2930      3460                          7.723632
  12/11/2024      938      1100      1290      1590      2400      2910      3520                          8.238929
  12/12/2024      935      1060      1250      1550      2350      2820      3430                         10.547198
  12/13/2024      941      1050      1240      1560      2360      2790      3440                         13.321601
  12/14/2024      965      1090      1270      1590      2370      2860      3420                         30.615094
  12/15/2024      982      1100      1300      1620      2410      2890      3460                         49.345989
  12/16/2024      996      1100      1310      1600      2420      2860      3470                         23.914127
  12/17/2024      985      1080      1320      1620      2410      2840      3460                         25.262108
  12/18/2024     1000      1110      1350      1670      2440      2850      3470                         23.310679
  12/19/2024     1000      1120      1310      1630      2370      2840      3410                         19.527792
  12/20/2024     1020      1130      1360      1680      2440      2860      3460                         15.752648
  12/21/2024     1020      1110      1310      1630      2330      2830      3380                         15.888896
  12/22/2024     1020      1110      1340      1650      2380      2840      3370                         18.219179
  12/23/2024     1020      1110      1360      1650      2370      2840      3380                         18.206328
  12/24/2024     1050      1120      1380      1680      2360      2890      3410                         30.856423
  12/25/2024     1030      1120      1340      1660      2370      2860      3330                         57.801596
  12/26/2024     1040      1110      1290      1650      2340      2820      3280                         38.667702
  12/27/2024     1020      1100      1290      1630      2350      2790      3260                         45.578162
  12/28/2024     1020      1100      1290      1640      2380      2800      3290                         69.381041
  12/29/2024     1020      1110      1290      1630      2370      2760      3270                         87.739547
  12/30/2024     1040      1120      1300      1630      2350      2730      3240                        121.001198
  12/31/2024     1050      1130      1310      1650      2360      2760      3270                         65.762582
  01/01/2025     1040      1130      1310      1650      2350      2750      3260                         47.316631
  01/02/2025     1060      1140      1320      1680      2360      2760      3270                         38.161296
  01/03/2025     1060      1170      1320      1680      2400      2770      3280                         33.566060
  01/04/2025     1040      1140      1320      1650      2330      2750      3300                         45.056377
  01/05/2025     1030      1160      1330      1670      2360      2780      3270                         39.951227
  01/06/2025     1050      1150      1330      1670      2380      2770      3290                         34.774464
  01/07/2025     1050      1170      1330      1680      2330      2770      3290                         31.140787
  01/08/2025     1050      1160      1340      1670      2310      2740      3240                         28.733868
  01/09/2025     1050      1180      1330      1690      2280      2720      3190                         25.046624
  01/10/2025     1060      1180      1340      1690      2300      2720      3170                         23.698098
  01/11/2025     1070      1200      1350      1710      2320      2740      3190                         21.679484
  01/12/2025     1050      1180      1340      1680      2240      2720      3170                         19.543570
  01/13/2025     1060      1140      1320      1640      2200      2680      3160                         18.044772
  01/14/2025     1060      1170      1310      1670      2230      2710      3200                         16.687826
  01/15/2025     1050      1140      1290      1660      2200      2700      3150                         16.725507
  01/16/2025     1060      1150      1300      1660      2190      2680      3140                         16.120567
  01/17/2025     1070      1170      1310      1680      2210      2680      3150                         15.558608
  01/18/2025     1090      1180      1330      1680      2200      2700      3140                         15.073438
  01/19/2025     1070      1120      1290      1640      2140      2620      3090                         13.156472
  01/20/2025     1070      1120      1280      1610      2140      2610      3090                         13.671327
  01/21/2025     1060      1100      1260      1570      2100      2580      3050                         12.350907
  01/22/2025     1080      1110      1260      1570      2110      2600      3070                         13.588413
  01/23/2025     1070      1110      1260      1560      2110      2590      3080                         12.628016
  01/24/2025     1110      1140      1310      1630      2170      2700      3150                         12.543202
  01/25/2025     1120      1150      1290      1650      2170      2710      3160                         13.191905
  01/26/2025     1110      1150      1280      1610      2140      2660      3170                         11.535413
  01/27/2025     1130      1160      1320      1630      2170      2660      3180                         10.824213
  01/28/2025     1170      1200      1360      1660      2220      2700      3250                          9.588808
  01/29/2025     1230      1280      1430      1770      2380      2800      3350                         12.052420
  01/30/2025     1230      1310      1440      1780      2410      2850      3410                         11.262113
  01/31/2025     1230      1310      1440      1810      2410      2810      3350                          9.358603
  02/01/2025     1280      1340      1490      1850      2450      2880      3410                         17.891638
  02/02/2025     1330      1370      1530      1840      2460      2880      3370                         30.733025
  02/03/2025     1340      1400      1570      1920      2490      2960      3480                         99.033114
  02/04/2025     1370      1450      1650      1980      2560      3080      3590                        162.178521
  02/05/2025     1430      1520      1720      2020      2600      3160      3570                        210.957689
  02/06/2025     1460      1530      1730      2050      2570      3220      3630                        129.021008
  02/07/2025     1450      1550      1760      2050      2590      3210      3720                         94.043983
  02/08/2025     1440      1520      1710      1980      2560      3100      3600                         71.321287
  02/09/2025     1440      1510      1680      1950      2510      3030      3620                         63.020982
  02/10/2025     1440      1510      1680      1920      2480      2970      3620                         51.438010
  02/11/2025     1430      1500      1620      1900      2430      2920      3490                         41.912872
  02/12/2025     1400      1480      1590      1860      2440      2890      3450                         37.344430
  02/13/2025     1340      1440      1550      1850      2350      2830      3310                         34.320169
  02/14/2025     1390      1490      1600      1890      2440      2850      3460                         38.767672
  02/15/2025     1410      1500      1680      1990      2530      2970      3560                         44.784703
  02/16/2025     1390      1480      1600      1870      2430      2810      3380                         38.037000
  02/17/2025     1400      1490      1600      1860      2410      2800      3310                         36.489541
  02/18/2025     1390      1460      1580      1840      2410      2790      3250                         35.925813
  02/19/2025     1360      1460      1560      1790      2350      2750      3210                         32.840397
  02/20/2025     1370      1470      1560      1820      2390      2780      3350                         33.674375
  02/21/2025     1400      1490      1590      1880      2430      2860      3450                         31.228803
  02/22/2025     1410      1490      1600      1880      2430      2880      3400                         30.597223
  02/23/2025     1410      1500      1590      1890      2440      2840      3460                         29.598366
  02/24/2025     1430      1540      1640      1900      2490      2890      3410                         29.435471
  02/25/2025     1450      1560      1670      1940      2550      2930      3450                         31.135908
  02/26/2025     1440      1570      1680      1940      2570      2920      3440                         29.020176
  02/27/2025     1430      1580      1670      1910      2540      2900      3450                         30.195068
  02/28/2025     1430      1560      1630      1880      2460      2880      3320                         29.016538
  03/01/2025     1450      1550      1640      1870      2450      2820      3240                         28.001978
  03/02/2025     Missing   Missing   Missing   Missing   Missing   Missing   Missing                      26.276168
  03/03/2025     1550      1620      1730      1990      2570      3030      3440                         29.060423
  03/04/2025     1510      1610      1700      1990      2560      3050      3440                         23.166536
  03/05/2025     1510      1660      1720      1990      2570      3090      3420                         23.270753
  03/06/2025     1500      1650      1740      2040      2570      3160      3500                         24.585070
  03/07/2025     1450      1620      1740      2040      2620      3130      3440                         21.364526
  03/08/2025     1420      1570      1680      1920      2560      2950      3220                         21.563785
  03/09/2025     1460      1600      1720      1980      2620      3020      3350                         19.873266
  03/10/2025     1490      1640      1750      2020      2600      2990      3440                         18.879945
  03/11/2025     1500      1650      1780      2000      2640      3030      3420                         18.819283
  03/12/2025     1490      1710      1830      2090      2670      3120      3530                         18.065553
  03/13/2025     1520      1720      1820      2030      2660      3030      3430                         29.282411
  03/14/2025     1520      1700      1790      2030      2640      2980      3380                         31.123594
  03/15/2025     1510      1680      1830      2030      2660      2960      3330                         29.394314
  03/16/2025     1480      1610      1750      1940      2440      2620      3160                         32.493366
  03/17/2025     1470      1600      1710      1810      2280      2520      3060                         76.453924
  03/18/2025     1490      1630      1820      1970      2570      2870      3250                         68.423477
  03/19/2025     1490      1640      1820      1900      2470      2780      3190                         46.353568
  03/20/2025     1460      1600      1720      1820      2300      2600      3040                         39.994302
  03/21/2025     1490      1630      1760      1970      2410      2700      3170                         35.072495
  03/22/2025     1510      1620      1770      2000      2390      2710      3140                         29.686465
  03/23/2025     1520      1720      1870      2070      2550      3000      3380                         29.059183
  03/24/2025     1560      1710      1810      2030      2470      2890      3230                         26.113521
  03/25/2025     1570      1730      1910      2130      2590      3040      3460                         25.950378
  03/26/2025     1630      1850      2000      2210      2700      3090      3560                         26.439559
  03/27/2025     1470      1600      1710      1810      2260      2620      3030                         26.211044
  03/28/2025     1640      1850      2000      2130      2570      3040      3420                         38.942056
  03/29/2025     1650      1780      1930      2040      2440      2750      3120                         45.538268
  03/30/2025     1660      1800      1890      1990      2310      2530      2970                         37.359883
  03/31/2025     1700      1760      1870      1970      2230      2530      2890                         44.236761
  04/01/2025     1700      1750      1860      1930      2190      2480      2900                         44.330564
  04/02/2025     1730      1770      1870      1960      2230      2440      2940       43.87    23.85    43.868242
  04/03/2025     1750      1800      1900      1990      2260      2450      2990       81.83    47.64    37.962290
  04/04/2025     1750      1820      1900      2020      2250      2510      3010      117.62    70.99    35.792422
  04/05/2025     1800      1850      1940      2030      2270      2520      3060      148.86    93.70    31.233762
  04/06/2025     1800      1860      1950      2040      2260      2490      3080      178.12   116.08    29.266955
  04/07/2025     1800      1840      1910      1980      2240      2430      3010      205.49   138.41    27.367341
  04/08/2025     1780      1810      1870      1940      2130      2320      2950      236.14   162.73    30.645571
  04/09/2025     1790      1820      1880      1930      2140      2340      2910      271.18   187.03    35.045222
  04/10/2025     1800      1840      1880      1930      2140      2360      2950      296.97   210.31    25.788144
  04/11/2025     1800      1830      1880      1940      2130      2340      2870      322.34   232.24    25.369626
  04/12/2025     1800      1820      1850      1920      2100      2300      2910      346.97   255.39    24.634491
  04/13/2025     1800      1820      1850      1930      2100      2300      2890      372.05   280.15    25.071853
  04/14/2025     1800      1820      1850      1920      2070      2290      2870      396.31   305.44    24.260272
  04/15/2025     1800      1820      1850      1930      2100      2320      2960      418.35   329.15    22.039744
  04/16/2025     1800      1810      1850      1920      2090      2250      2950      439.46   351.45    21.113862
  04/17/2025     1800      1810      1850      1920      2060      2240      2860      461.83   372.98    22.367682
  04/18/2025     1800      1810      1850      1920      2060      2220      2860      482.59   394.09    20.765261
  04/19/2025     1800      1810      1850      1920      2040      2180      2860      503.90   414.38    21.306922
  04/20/2025     1810      1820      1860      1930      2040      2230      2910      524.41   434.33    20.515176
  04/21/2025     1800      1810      1840      1900      2000      2160      2810      544.20   454.87    19.781777
  04/22/2025     1760      1780      1810      1860      1940      2160      2700      560.73   474.61    16.529414
  04/23/2025     1770      1800      1830      1880      1990      2160      2720      581.32   494.34    20.594433
  04/24/2025     1810      1820      1850      1900      2010      2190      2720      597.45   513.82    16.126516
  04/25/2025     1780      1810      1840      1870      1950      2150      2420      615.56   533.48    18.112991
  04/26/2025     1800      1820      1840      1890      1980      2220      2440      633.93   552.69    18.373408
  04/27/2025     1800      1830      1850      1910      2000      2220      2560      649.22   571.64    15.287662
  04/28/2025     1810      1840      1860      1910      2040      2250      2620      666.94   589.93    17.720920
  04/29/2025     1800      1830      1850      1920      1980      2220      2580      681.23   609.48    14.287315
  04/30/2025     1780      1810      1830      1880      1980      2200      2580      699.89   629.04    18.659941
  05/01/2025     1790      1800      1820      1860      1910      2150      2540      714.93   647.86    15.043360
  05/02/2025     1770      1790      1810      1850      1910      2100      2540      732.55   666.91    17.618355
  05/03/2025     1770      1790      1810      1840      1890      2060      2560      749.74   685.55    17.194053
  05/04/2025     1770      1780      1790      1820      1870      1990      2560      766.79   704.25    17.046943
  05/05/2025     1770      1780      1800      1820      1870      2020      2600      781.62   722.64    14.825671
  05/06/2025     1770      1780      1790      1810      1850      1980      2500      798.62   740.84    16.997934
  05/07/2025     1750      1760      1780      1800      1840      2030      2490      814.03   758.84    15.411382
  05/08/2025     1750      1760      1760      1790      1840      1920      2290      829.15   776.24    15.122617
  05/09/2025     1750      1760      1770      1790      1820      1920      2120      843.84   793.60    14.686082
  05/10/2025     1710      1720      1730      1750      1770      1830      2010      859.33   811.17    15.493450
  05/11/2025     1710      1720      1740      1750      1780      1840      2010      874.46   828.26    15.130551
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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   (CAZ013)
Tonight: Mostly cloudy. A chance of rain showers after midnight. Rain showers likely late in the night. Colder. Lows 33 to 45 higher elevations and 42 to 49 lower elevations. Prevailing southwest winds 5 to 15 mph with gusts to around 45 mph.

Monday: At lower elevations, rain showers in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. At higher elevations, rain showers with heavy snow showers likely in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Highs 43 to 58 higher elevations and 54 to 64 lower elevations. Snow accumulation up to 1 inch. Prevailing southwest winds up to 10 mph with gusts to around 30 mph.

Monday Night: Mostly cloudy in the evening then becoming partly cloudy. At lower elevations, a chance of showers and thunderstorms in the evening. At higher elevations, a chance of showers and thunderstorms in the evening, then a slight chance of rain showers after midnight. Lows 31 to 45 higher elevations and 40 to 48 lower elevations. Prevailing southwest winds up to 10 mph in the evening becoming light.

Tuesday: Mostly sunny. Warmer. Highs 53 to 68 higher elevations and 65 to 73 lower elevations. Prevailing north winds up to 10 mph.

Tuesday Night: Mostly clear. Lows 33 to 47 higher elevations and 41 to 51 lower elevations. Prevailing north winds up to 10 mph.

Wednesday: Sunny, warmer. Highs 63 to 78.

Wednesday Night: Clear. Lows 38 to 53.

Thursday: Mostly sunny. Warmer. Highs 68 to 83.

Thursday Night: Mostly cloudy. Lows 45 to 60.

Friday through Saturday: Partly cloudy. Highs 67 to 82. Lows 44 to 59.

Saturday Night: Mostly clear. Colder. Lows 40 to 55.

Sunday: Sunny. Highs 67 to 82.