AMERICAN RIVER - FOLSOM LAKE (FOLC1)
Latitude: 38.71º NLongitude: 121.16º WElevation: 350 Feet
Location: Sacramento County in CaliforniaRiver Group: Lower Sacramento
Issuance Time: Apr 30 2021 at 8:21 AM PDT

2021 Seasonal Trend Tabular (Apr-Jul)Plot View  |  Select a Different Water Year:  

# Tabular Seasonal Trend Plot for FOLC1
#
# File Generation Time:  04/30/2021  08:21 AM PDT
# Interval:  1 Day
#
# Latest Forecast April-July Percent of Average:  38 %  ( 473 kaf )
# 30 Year April-July Volume Mean: 1230 kaf
#
# Peak April-July Volume and Date:     7.97 kaf  on  04/05/2021
# Peak Water Year Volume and Date:     12.9 kaf  on  01/29/2021
#
#                 90%         75%         50%         25%         10%
#                 Exceedance  Exceedance  Exceedance  Exceedance  Exceedance  NWS       Raw Obs  Raw Avg
#                 Apr-Jul     Apr-Jul     Apr-Jul     Apr-Jul     Apr-Jul     Apr-Jul   Apr-Jul  Apr-Jul    Raw Daily
# Date            Forecast    Forecast    Forecast    Foreacast   Foreacst    Forecast  To Date  To Date    Observation
# (mm/dd/YYYY)    (kaf)       (kaf)       (kaf)       (kaf)       (kaf)       (kaf)     (kaf)    (kaf)      (kaf)
# ---------------------------------------------------------------------------------------------------------------------
  10/01/2020          443         654        1100        1590        2080                                      0.458932
  10/02/2020          440         628        1090        1380        2040                                      0.858360
  10/03/2020          443         631        1090        1390        2040                                      0.471246
  10/04/2020          443         636        1090        1390        2040                                      1.011502
  10/05/2020          442         621        1080        1370        2040                                      0.318848
  10/06/2020          439         621        1080        1370        2040                                      0.397775
  10/07/2020          444         623        1090        1360        2040                                      0.151821
  10/08/2020          441         618        1080        1360        2040                                      0.438354
  10/09/2020          441         618        1080        1360        2040                                      0.709349
  10/10/2020          441         618        1080        1360        2030                                     -0.055703
  10/11/2020          431         618        1100        1370        2020                                      0.387610
  10/12/2020          425         620        1080        1370        2020                                      0.661085
  10/13/2020          424         619        1080        1370        2020                                      0.080496
  10/14/2020          423         619        1080        1380        2020                                      0.389262
  10/15/2020          421         649        1080        1370        2020                                      0.392072
  10/16/2020          422         626        1080        1390        2020                                      0.182813
  10/17/2020          424         643        1080        1440        2020                                      0.103225
  10/18/2020          426         638        1080        1410        2020                                      0.390997
  10/19/2020          415         576        1010        1710        2280                                      0.328930
  10/20/2020          412         586        1010        1710        2280                                      0.064876
  10/21/2020          412         586        1010        1710        2280                                      0.158680
  10/22/2020          412         567        1010        1710        2280                                      0.107605
  10/23/2020          412         557        1010        1710        2280                                     -0.059505
  10/24/2020          412         553        1010        1710        2280                                     -0.322319
  10/25/2020          411         545        1010        1710        2280                                      0.521577
  10/26/2020          411         545        1010        1710        2280                                      0.239672
  10/27/2020          411         543        1010        1710        2280                                      0.228930
  10/28/2020          411         543         982        1710        2280                                     -0.319427
  10/29/2020          411         543        1030        1710        2290                                      0.489677
  10/30/2020          411         543         970        1710        2280                                     -0.148679
  10/31/2020          413         544        1010        1710        2290                                     -0.090910
  11/01/2020          416         550        1040        1710        2280                                      0.380005
  11/02/2020          423         567        1060        1720        2280                                      0.737283
  11/03/2020          418         546        1050        1710        2280                                     -0.056446
  11/04/2020          411         550        1060        1710        2280                                     -0.082728
  11/05/2020          423         578        1090        1710        2300                                      0.300500
  11/06/2020          437         595        1080        1720        2340                                      0.302484
  11/07/2020          451         603        1050        1720        2330                                      0.386039
  11/08/2020          448         614        1010        1720        2330                                      0.394633
  11/09/2020          489         679        1130        1730        2380                                      0.402403
  11/10/2020          422         591         953        1720        2290                                      0.384634
  11/11/2020          427         560         917        1720        2290                                      0.379096
  11/12/2020          403         564         956        1720        2280                                      0.389179
  11/13/2020          431         594         950        1720        2330                                      0.405626
  11/14/2020          463         652         946        1730        2380                                      0.943402
  11/15/2020          480         665         944        1740        2340                                      1.153322
  11/16/2020          463         602         946        1740        2340                                      0.640671
  11/17/2020          492         607         946        1740        2320                                      1.662008
  11/18/2020          465         597         924        1750        2300                                      1.375557
  11/19/2020          448         611         927        1750        2230                                      5.133215
  11/20/2020          444         578         907        1750        2210                                      2.224412
  11/21/2020          424         563         905        1750        2210                                      1.097951
  11/22/2020          437         587         897        1750        2200                                      0.685299
  11/23/2020          419         549         894        1750        2180                                      0.571165
  11/24/2020          415         546         892        1730        2170                                      0.198019
  11/25/2020          410         567         906        1710        2170                                      0.116366
  11/26/2020          388         553         901        1680        2190                                      0.370998
  11/27/2020          368         542         889        1560        2130                                      0.407609
  11/28/2020          358         529         890        1500        2120                                      0.217772
  11/29/2020          355         529         889        1460        2120                                      0.580834
  11/30/2020          354         532         889        1460        2120                                      0.522569
  12/01/2020          354         533         890        1470        2110                                      0.877451
  12/02/2020          351         533         889        1450        2120                                      0.509180
  12/03/2020          350         520         885        1440        2100                                      0.610010
  12/04/2020          338         530         888        1440        2140                                      0.414468
  12/05/2020          338         531         875        1440        2080                                     -0.188764
  12/06/2020          348         528         880        1410        2100                                      0.970096
  12/07/2020          383         528         887        1490        2140                                      0.674142
  12/08/2020          359         526         845        1430        2090                                      0.271740
  12/09/2020          358         530         820        1440        2110                                      0.447692
  12/10/2020          391         552         832        1500        2170                                      0.484966
  12/11/2020          418         576         931        1530        2220                                      0.153390
  12/12/2020          387         546         843        1530        2140                                      0.300996
  12/13/2020          411         568         827        1550        2100                                      1.219521
  12/14/2020          418         539         848        1570        2110                                      2.507888
  12/15/2020          395         481         820        1540        2110                                      0.941502
  12/16/2020          401         539         833        1510        2120                                      0.530007
  12/17/2020          398         488         819        1530        2120                                      1.389194
  12/18/2020          414         501         820        1450        2140                                      1.891351
  12/19/2020          413         534         841        1450        2180                                      1.114231
  12/20/2020          396         551         851        1400        2160                                      1.183489
  12/21/2020          361         557         837        1390        2140                                      1.165471
  12/22/2020          444         587         879        1490        2190                                      0.307607
  12/23/2020          444         565         884        1510        2220                                      0.535132
  12/24/2020          434         544         867        1450        2220                                      0.593314
  12/25/2020          429         524         868        1420        2190                                      0.921005
  12/26/2020          495         621         931        1500        2240                                      1.074561
  12/27/2020          515         626         956        1520        2200                                      2.484665
  12/28/2020          527         590         968        1550        2250                                      1.484566
  12/29/2020          580         706        1050        1640        2330                                      1.031420
  12/30/2020          561         661        1030        1540        2300                                      0.914641
  12/31/2020          559         647        1020        1630        2310                                      0.772325
  01/01/2021          466         575         915        1450        2150                                      0.902245
  01/02/2021          458         569         900        1440        2050                                      0.826788
  01/03/2021          461         569         891        1410        2020                                      1.125140
  01/04/2021          455         541         861        1410        2000                                      1.274647
  01/05/2021          438         514         844        1360        1830                                      2.462432
  01/06/2021          419         503         838        1300        1810                                      2.495987
  01/07/2021          385         502         837        1280        1790                                      1.589363
  01/08/2021          350         495         826        1260        1800                                      1.270101
  01/09/2021          345         488         808        1240        1790                                      1.056793
  01/10/2021          332         492         819        1250        1790                                      1.266877
  01/11/2021          359         489         810        1220        1790                                      1.426880
  01/12/2021          324         489         805        1210        1800                                      0.963237
  01/13/2021          376         497         846        1270        1810                                      0.864227
  01/14/2021          387         541         845        1310        1810                                      0.872740
  01/15/2021          406         545         856        1310        1820                                      0.936129
  01/16/2021          426         553         838        1290        1830                                      0.728688
  01/17/2021          314         563         846        1250        1850                                      1.379028
  01/18/2021          321         594         876        1240        1900                                      1.572999
  01/19/2021          445         618         932        1310        1890                                      1.278778
  01/20/2021          398         690         928        1340        1990                                      0.918525
  01/21/2021          338         701         982        1300        1940                                      0.751251
  01/22/2021          374         709         964        1340        1930                                      0.854557
  01/23/2021          423         784        1070        1370        2020                                      0.266697
  01/24/2021          437         808        1080        1420        2050                                      0.118679
  01/25/2021          431         842        1150        1420        2050                                      1.238448
  01/26/2021          451         832        1090        1470        2080                                      1.233406
  01/27/2021          400         838        1070        1480        2050                                      1.418286
  01/28/2021          456         814        1150        1580        2020                                      3.600880
  01/29/2021          477         795        1160        1580        1970                                     12.877047
  01/30/2021          502         829        1180        1570        1990                                      6.913573
  01/31/2021          504         788        1140        1560        1980                                      3.515754
  02/01/2021          481         766        1060        1540        1870                                      2.597145
  02/02/2021          494         744        1080        1510        1890                                      1.989698
  02/03/2021          494         662         998        1470        1930                                      3.421290
  02/04/2021          446         573         865        1380        1800                                      3.940139
  02/05/2021          449         638         900        1430        1810                                      2.769793
  02/06/2021          448         651         943        1410        1880                                      2.458217
  02/07/2021          458         694         977        1450        1970                                      2.435903
  02/08/2021          450         669         896        1430        1920                                      2.484582
  02/09/2021          458         681         984        1460        1910                                      2.061269
  02/10/2021          489         693         977        1440        1920                                      2.122924
  02/11/2021          498         669         903        1430        1920                                      1.969699
  02/12/2021          558         676         903        1500        1870                                      3.567408
  02/13/2021          534         665         903        1470        1840                                      7.187708
  02/14/2021          571         688         929        1470        1840                                      6.741833
  02/15/2021          567         687         959        1500        1930                                      4.805277
  02/16/2021          546         659         865        1430        1810                                      6.274802
  02/17/2021          491         645         840        1330        1700                                      7.466307
  02/18/2021          441         619         805        1320        1670                                      5.016272
  02/19/2021          441         618         817        1320        1670                                      4.477420
  02/20/2021          452         574         767        1290        1650                                      3.457324
  02/21/2021          462         617         790        1290        1650                                      4.679904
  02/22/2021          468         597         740        1300        1630                                      4.183037
  02/23/2021          462         626         790        1300        1660                                      3.078805
  02/24/2021          466         659         796        1290        1650                                      3.490960
  02/25/2021          474         647         807        1330        1670                                      3.588151
  02/26/2021          482         660         804        1290        1650                                      3.415670
  02/27/2021          486         604         806        1300        1660                                      3.184509
  02/28/2021          487         604         799        1290        1620                                      2.976902
  03/01/2021          465         593         783        1230        1600                                      2.876406
  03/02/2021          487         629         786        1250        1580                                      2.474747
  03/03/2021          561         676         880        1360        1640                                      2.747808
  03/04/2021          444         595         736        1210        1500                                      2.482434
  03/05/2021          429         536         705        1150        1500                                      2.300447
  03/06/2021          424         524         638        1110        1430                                      2.904836
  03/07/2021          450         560         649        1150        1520                                      3.546994
  03/08/2021          476         570         671        1190        1460                                      2.768883
  03/09/2021          450         544         654        1190        1370                                      2.972358
  03/10/2021          485         567         679        1200        1350                                      3.984604
  03/11/2021          475         571         676        1200        1340                                      3.501042
  03/12/2021          478         565         682        1160        1350                                      2.388382
  03/13/2021          503         600         697        1180        1410                                      2.708057
  03/14/2021          551         644         776        1230        1530                                      2.677312
  03/15/2021          507         598         714        1160        1350                                      2.676569
  03/16/2021          508         605         710        1110        1290                                      3.446827
  03/17/2021          493         591         681        1020        1260                                      3.243187
  03/18/2021          506         594         681        1030        1270                                      2.627146
  03/19/2021          501         611         664         972        1170                                      4.108408
  03/20/2021          513         609         675         966        1170                                      9.211870
  03/21/2021          517         592         691         985        1180                                      8.696904
  03/22/2021          518         574         694         964        1160                                      6.208355
  03/23/2021          512         565         672         909        1070                                      5.140901
  03/24/2021          517         572         675         914        1060                                      5.057925
  03/25/2021          528         578         692         914        1110                                      3.916008
  03/26/2021          516         567         680         922        1070                                      3.749063
  03/27/2021          518         573         703         925        1100                                      3.633607
  03/28/2021          521         585         716         952        1140                                      3.626251
  03/29/2021          519         578         728         946        1170                                      4.542628
  03/30/2021          506         561         697         909        1020                                      5.290822
  03/31/2021          540         598         761         923        1180                                      5.794795
  04/01/2021          513         566         677         861        1020                  5.33    14.12       5.329829
  04/02/2021          519         559         652         827        1030                 11.10    28.07       5.768514
  04/03/2021          497         543         627         792         960                 17.75    41.93       6.654559
  04/04/2021          487         546         577         750         889                 24.92    55.85       7.164402
  04/05/2021          453         503         549         669         844                 32.89    69.82       7.971439
  04/06/2021          454         503         543         735         847                 40.81    83.87       7.924910
  04/07/2021          456         499         543         674         836                 48.63    97.98       7.820776
  04/08/2021          443         482         517         649         789                 56.42   112.09       7.784246
  04/09/2021          436         479         510         641         798                 64.29   126.19       7.867388
  04/10/2021          436         482         521         645         805                 71.78   140.28       7.491927
  04/11/2021          428         457         518         651         772                 79.30   154.33       7.524572
  04/12/2021          427         451         493         634         765                 86.85   168.31       7.547301
  04/13/2021          436         462         509         632         811                 94.60   182.29       7.752179
  04/14/2021          440         467         530         634         823                102.27   196.24       7.666392
  04/15/2021          439         479         523         623         787                109.13   210.18       6.859687
  04/16/2021          442         494         536         639         801                114.85   224.15       5.724629
  04/17/2021          447         498         537         647         804                120.24   238.21       5.388426
  04/18/2021          448         491         528         615         746                125.55   252.37       5.305202
  04/19/2021          475         516         574         653         807                131.13   266.54       5.584792
  04/20/2021          465         515         585         686         780                138.13   280.76       7.002582
  04/21/2021          453         492         553         634         751                145.90   295.10       7.768378
  04/22/2021          460         499         560         636         720                153.39   309.52       7.484489
  04/23/2021          463         502         550         634         725                160.21   324.04       6.826215
  04/24/2021          461         485         533         601         712                167.06   338.69       6.851174
  04/25/2021          447         466         519         574         669                174.01   353.53       6.945886
  04/26/2021          430         458         479         519         623                180.51   368.51       6.502988
  04/27/2021          424         445         473         517         624                185.94   383.68       5.430079
  04/28/2021          426         447         473         521         624                190.57   399.03       4.623539
  04/29/2021          424         442         471         530         624                194.24   414.53       3.675178
  04/30/2021          425         444         473         520         625                199.17   430.10       4.925195
#
# ---------------------------------------------------------------------------------------------------------------------
Text Products (RNOHFSAJV and RNOHFSWSV)
Raw ESP April-July Streamflow Volumes Tracker
April to July Streamflow Volume Accumulation Forecast

Location Photographs
Upstream Photo
Gage House Photo
Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast   (CAZ017)
Tonight: Mostly cloudy. Lows 48 to 56. South winds 10 to 15 mph with gusts to around 25 mph.

Saturday: Sunny. Highs 80 to 87. South winds around 10 mph with gusts to around 20 mph.

Saturday Night: Clear. Lows 49 to 59. South winds 10 to 15 mph with gusts to around 25 mph.

Sunday: Sunny, breezy. Highs 81 to 87. West winds 10 to 15 mph shifting to the northwest 15 to 25 mph in the afternoon.

Sunday Night: Clear. Lows 53 to 61. Northwest winds 10 to 20 mph with gusts to around 30 mph.

Monday: Sunny, breezy. Highs 86 to 91.

Monday Night: Clear. Lows 53 to 63.

Tuesday through Wednesday Night: Clear. Highs 87 to 94. Lows 52 to 62.

Thursday and Thursday Night: Mostly clear. Highs 82 to 89. Lows 49 to 59.

Friday: Sunny. Highs 79 to 85.