National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service



TRINITY RIVER - TRINITY LAKE (CEGC1)
Latitude: 40.80º NLongitude: 122.76º WElevation: 2370 Feet
Location: Trinity County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: May 15 2026 at 8:39 AM PDT

2026 Water Year Trend Tabular Plot View  |  Select a Different Water Year:  

# Tabular Water Year Trend Plot for CEGC1
#
# File Generation Time:  05/15/2026  08:39 AM PDT
# Interval:  1 Day
#
# Latest Forecast Water Year Volume Forecast:  1080 kaf
# 30 Year Water Year Volume Mean:  1170 kaf
#
# Forecast Water Year Percent of Average:  92%
# Observed Water Year to Date Percent of Average:  114%
#
# Peak Water Year Volume and Date:     37.7 kaf  on  02/25/2026
#
#               Min      90%      75%      50%      25%      10%      Max        Raw            Raw           Raw
#               Exceed   Exceed   Exceed   Exceed   Exceed   Exceed   Exceed     WY To Date     WY To Date    Daily
# Date          WY Fcst  WY Fcst  WY Fcst  WY Fcst  WY Fcst  WY Fcst  WY Fcst    Observation    Average       Observation
# (mm/dd/YYYY)  (kaf)    (kaf)    (kaf)    (kaf)    (kaf)    (kaf)    (kaf)      (kaf)          (kaf)         (kaf)
# -----------------------------------------------------------------------------------------------------------------------
  10/01/2025     368      494      767     1320     1600     2230     2940              0.48          0.21       0.480503
  10/02/2025     366      494      768     1320     1590     2250     2940              1.16          0.42       0.679680
  10/03/2025     372      497      769     1310     1580     2230     2940              1.61          0.65       0.452321
  10/04/2025     369      500      769     1310     1580     2220     2940              2.09          0.90       0.479180
  10/05/2025     371      499      767     1320     1590     2200     2940              2.59          1.16       0.498602
  10/06/2025     378      486      762     1320     1590     2170     2950              3.23          1.40       0.640754
  10/07/2025     378      490      755     1330     1590     2170     2950              3.81          1.63       0.577530
  10/08/2025     395      505      795     1350     1610     2260     2940              4.11          1.83       0.300913
  10/09/2025     396      488      783     1350     1610     2240     2880              4.24          2.08       0.130084
  10/10/2025     385      474      750     1320     1590     2210     2870              4.71          2.34       0.473809
  10/11/2025     396      489      769     1340     1600     2240     2920              5.51          2.59       0.792987
  10/12/2025     400      511      765     1340     1590     2220     2870              5.76          2.86       0.251740
  10/13/2025     389      497      780     1360     1600     2230     2960              6.22          3.17       0.458353
  10/14/2025     397      498      769     1330     1580     2200     2870              7.40          3.56       1.183985
  10/15/2025     397      486      753     1330     1590     2200     2930              7.84          3.94       0.438518
  10/16/2025     397      486      752     1310     1580     2200     2850              7.94          4.28       0.104134
  10/17/2025     397      492      756     1320     1590     2230     2930              8.06          4.59       0.119754
  10/18/2025     408      504      763     1330     1600     2250     2860              8.18          4.95       0.117026
  10/19/2025     406      509      773     1340     1600     2280     2910              8.30          5.34       0.116118
  10/20/2025     409      515      792     1360     1600     2260     2920              8.41          5.78       0.110168
  10/21/2025     418      502      788     1330     1600     2230     2910              8.56          6.29       0.152069
  10/22/2025     424      513      789     1340     1610     2240     2930              8.95          7.09       0.390750
  10/23/2025     403      508      782     1330     1590     2180     2890              9.12          8.16       0.169341
  10/24/2025     402      504      788     1320     1580     2140     2860              9.83          9.24       0.711993
  10/25/2025     379      507      779     1320     1580     2140     2850             10.67         10.30       0.838856
  10/26/2025     382      517      779     1310     1600     2140     2830             12.79         11.15       2.121518
  10/27/2025     335      523      786     1310     1590     2120     2810             14.49         11.91       1.695728
  10/28/2025     357      519      784     1310     1600     2110     2810             15.27         12.77       0.780672
  10/29/2025     344      519      779     1310     1580     2120     2820             16.01         13.73       0.747119
  10/30/2025     410      550      799     1340     1620     2150     2840             17.29         14.74       1.277209
  10/31/2025     433      561      816     1340     1640     2190     2870             18.08         15.78       0.792904
  11/01/2025     477      605      877     1410     1710     2230     2940             18.76         16.79       0.678192
  11/02/2025     502      634      879     1420     1710     2230     2890             19.56         17.83       0.800342
  11/03/2025     484      660      911     1440     1710     2260     2940             20.17         18.77       0.608355
  11/04/2025     441      667      907     1420     1680     2240     2930             21.06         19.56       0.885881
  11/05/2025     398      613      901     1420     1700     2170     2940             24.19         20.38       3.129384
  11/06/2025     388      612      916     1370     1670     2170     2980             30.07         21.25       5.884384
  11/07/2025     410      640      927     1380     1690     2170     2950             34.17         22.19       4.103945
  11/08/2025     417      681      984     1420     1730     2190     2950             37.71         23.11       3.530299
  11/09/2025     415      694      974     1460     1710     2180     2920             39.71         24.16       2.002427
  11/10/2025     441      640      978     1370     1700     2140     2930             41.25         25.31       1.545642
  11/11/2025     410      634      945     1360     1680     2140     2940             42.73         26.63       1.472336
  11/12/2025     444      638      953     1340     1690     2140     2930             43.76         28.01       1.035966
  11/13/2025     441      679      977     1340     1720     2140     2970             46.35         29.40       2.584005
  11/14/2025     476      653      964     1380     1740     2190     2950             58.99         30.87      12.642746
  11/15/2025     510      724     1000     1390     1790     2230     3040             64.71         32.29       5.720579
  11/16/2025     507      671      935     1400     1750     2190     2990             67.73         33.55       3.022606
  11/17/2025     523      695      971     1300     1760     2180     2980             71.98         35.18       4.247253
  11/18/2025     527      689      928     1300     1760     2180     2890             82.52         36.92      10.546105
  11/19/2025     506      673      914     1290     1700     2150     2820             87.06         38.58       4.533620
  11/20/2025     468      663      897     1240     1680     2120     2800             90.89         40.29       3.832287
  11/21/2025     446      663      899     1280     1680     2120     2790             93.86         42.10       2.967647
  11/22/2025     435      662      898     1240     1660     2120     2780             96.45         44.00       2.595822
  11/23/2025     427      636      886     1190     1620     2100     2730             98.68         45.88       2.228627
  11/24/2025     427      620      884     1160     1630     2090     2730            100.52         47.55       1.833085
  11/25/2025     433      621      907     1180     1670     2130     2740            102.35         49.05       1.830027
  11/26/2025     413      607      850     1140     1590     2060     2710            103.95         50.47       1.608206
  11/27/2025     416      597      852     1150     1570     2060     2710            105.56         51.91       1.604735
  11/28/2025     420      591      843     1150     1560     2050     2720            107.08         53.40       1.524320
  11/29/2025     411      585      842     1130     1550     2040     2720            108.49         55.11       1.404731
  11/30/2025     444      634      869     1180     1620     2100     2760            109.46         57.04       0.977122
  12/01/2025     421      601      847     1150     1570     2040     2720            110.90         58.99       1.439277
  12/02/2025     411      579      829     1140     1540     2010     2670            111.85         61.03       0.947121
  12/03/2025     401      573      816     1130     1540     2000     2630            112.13         63.24       0.276946
  12/04/2025     422      566      831     1150     1540     2020     2770            113.16         65.67       1.032328
  12/05/2025     410      529      784     1120     1520     1980     2720            114.38         68.31       1.222332
  12/06/2025     375      509      707     1090     1440     1890     2590            115.42         70.99       1.038693
  12/07/2025     371      522      725     1110     1440     1920     2550            116.47         73.79       1.050263
  12/08/2025     376      515      717     1100     1430     1890     2530            117.55         76.34       1.080760
  12/09/2025     365      510      702     1100     1420     1870     2410            118.45         79.38       0.894311
  12/10/2025     413      551      783     1130     1470     1950     2600            119.27         82.41       0.826211
  12/11/2025     457      627      835     1180     1540     2010     2700            120.33         85.36       1.052330
  12/12/2025     472      656      847     1210     1560     2030     2690            121.12         88.32       0.795796
  12/13/2025     478      639      847     1200     1540     2020     2630            121.95         91.57       0.826540
  12/14/2025     503      684      882     1260     1600     2070     2670            122.77         95.04       0.819846
  12/15/2025     493      661      908     1240     1580     2050     2600            123.48         97.90       0.710837
  12/16/2025     543      729      917     1300     1630     2100     2700            124.51        100.95       1.026709
  12/17/2025     541      698      917     1290     1620     2020     2570            127.59        103.93       3.089137
  12/18/2025     562      725      972     1330     1640     2040     2570            133.77        106.57       6.173975
  12/19/2025     621      777      988     1350     1690     2060     2600            137.14        109.14       3.367818
  12/20/2025     594      777      967     1360     1680     2040     2620            146.72        111.68       9.583445
  12/21/2025     644      822     1090     1420     1740     2140     2660            156.77        114.35      10.046096
  12/22/2025     736      900     1080     1420     1750     2170     2660            188.98        117.01      32.210469
  12/23/2025     750      880     1100     1420     1740     2130     2700            202.55        119.33      13.573834
  12/24/2025     737      900     1100     1430     1780     2080     2740            218.73        121.95      16.179822
  12/25/2025     708      919     1070     1360     1750     2050     2680            252.42        124.52      33.691814
  12/26/2025     644      916     1040     1350     1730     1980     2670            272.37        127.22      19.951943
  12/27/2025     687      953     1100     1400     1780     2090     2720            288.43        129.86      16.055357
  12/28/2025     755      993     1140     1440     1820     2120     2760            298.59        132.53      10.156181
  12/29/2025     777     1010     1180     1460     1850     2160     2780            306.00        135.04       7.412008
  12/30/2025     786     1030     1180     1480     1860     2140     2780            312.10        138.24       6.102982
  12/31/2025     865     1090     1230     1560     1920     2210     2830            317.84        141.52       5.738597
  01/01/2026     847     1090     1220     1550     1870     2220     2860            324.21        144.02       6.368606
  01/02/2026     893     1100     1180     1550     1840     2170     2890            336.40        146.70      12.195714
  01/03/2026     898     1040     1180     1520     1810     2110     2860            359.44        149.62      23.039592
  01/04/2026     850      989     1180     1490     1760     2040     2850            389.06        152.36      29.622250
  01/05/2026     863     1000     1220     1510     1790     2040     2830            410.07        155.36      21.010059
  01/06/2026     848     1020     1190     1480     1750     1970     2820            426.02        158.47      15.949159
  01/07/2026     845     1020     1190     1480     1760     1970     2830            437.89        161.73      11.862653
  01/08/2026     844     1000     1190     1470     1700     1950     2810            447.42        165.24       9.528899
  01/09/2026     702      942     1150     1410     1710     1890     2750            455.04        168.70       7.619451
  01/10/2026     796      949     1140     1400     1640     1890     2820            461.59        172.60       6.558443
  01/11/2026     795      956     1150     1420     1650     1900     2850            467.21        176.36       5.616611
  01/12/2026     792      940     1130     1390     1630     1880     2760            472.22        179.88       5.009908
  01/13/2026     795      951     1140     1420     1640     1890     2670            477.17        183.49       4.950320
  01/14/2026     794      941     1130     1390     1620     1880     2630            483.33        187.27       6.157528
  01/15/2026     798      948     1130     1380     1640     1880     2650            487.88        191.79       4.554777
  01/16/2026     798      907     1110     1340     1590     1860     2560            492.83        196.45       4.946022
  01/17/2026     798      943     1130     1380     1610     1900     2570            497.14        200.92       4.306839
  01/18/2026     798      964     1140     1380     1620     1930     2550            501.05        205.42       3.915760
  01/19/2026     797      904     1100     1360     1600     1860     2450            504.99        209.79       3.936587
  01/20/2026     795      885     1090     1340     1590     1800     2420            508.84        214.19       3.848734
  01/21/2026     794      874     1090     1340     1570     1780     2380            512.40        218.79       3.560795
  01/22/2026     793      888     1090     1330     1570     1780     2420            515.73        223.45       3.328313
  01/23/2026     793      875     1070     1310     1560     1750     2370            519.22        228.14       3.496002
  01/24/2026     793      876     1020     1300     1530     1710     2320            522.49        232.44       3.264841
  01/25/2026     794      875     1000     1270     1510     1710     2270            525.45        236.47       2.966903
  01/26/2026     798      865     1000     1260     1500     1710     2240            528.22        240.58       2.763347
  01/27/2026     801      879     1010     1260     1500     1690     2210            530.82        244.76       2.603923
  01/28/2026     797      865     1000     1250     1480     1690     2210            533.52        249.34       2.701692
  01/29/2026     777      850     1000     1240     1470     1680     2150            536.12        253.93       2.600452
  01/30/2026     784      848      998     1240     1460     1670     2140            538.66        258.18       2.534665
  01/31/2026     779      848      999     1240     1460     1660     2130            541.04        262.52       2.377721
  02/01/2026     802      854     1000     1250     1480     1660     2150            543.14        266.13       2.106808
  02/02/2026     804      874     1010     1250     1490     1680     2210            545.35        270.48       2.209950
  02/03/2026     802      859     1000     1230     1440     1640     2140            547.46        274.60       2.103666
  02/04/2026     768      837      991     1220     1390     1620     2050            549.51        278.71       2.059038
  02/05/2026     831      902     1060     1290     1470     1690     2120            551.60        282.84       2.082675
  02/06/2026     846      900     1030     1260     1450     1660     2090            553.75        287.17       2.152181
  02/07/2026     839      918     1050     1280     1490     1680     2110            555.78        291.06       2.031269
  02/08/2026     872      928     1050     1290     1490     1690     2130            558.06        295.15       2.281604
  02/09/2026     845      967     1060     1310     1520     1740     2140            560.41        299.39       2.344249
  02/10/2026     838      960     1080     1310     1530     1730     2140            563.09        303.44       2.680617
  02/11/2026     859      985     1080     1340     1540     1740     2140            565.71        307.79       2.620616
  02/12/2026     850      975     1070     1330     1560     1750     2180            568.97        312.62       3.259303
  02/13/2026     875      988     1130     1350     1570     1750     2120            571.47        317.93       2.505325
  02/14/2026     903     1010     1110     1330     1570     1730     2140            573.75        323.25       2.282100
  02/15/2026     909     1010     1140     1360     1570     1750     2210            576.44        328.49       2.685576
  02/16/2026     966     1060     1210     1380     1610     1770     2190            580.71        333.28       4.266344
  02/17/2026     923     1030     1160     1340     1600     1710     2080            583.78        337.76       3.074921
  02/18/2026    1020     1080     1220     1370     1630     1780     2170            587.67        342.94       3.891627
  02/19/2026     958     1040     1140     1280     1550     1670     1960            590.70        348.14       3.031284
  02/20/2026     961     1020     1110     1240     1520     1640     1890            593.77        353.32       3.068806
  02/21/2026     987     1030     1120     1240     1500     1630     1880            596.40        359.30       2.621774
  02/22/2026     964     1000     1080     1200     1470     1600     1870            599.10        364.87       2.702354
  02/23/2026     973     1010     1090     1200     1430     1610     1840            603.00        370.01       3.899809
  02/24/2026    1010     1030     1090     1200     1420     1620     1770            612.82        374.92       9.824111
  02/25/2026    1040     1070     1120     1250     1430     1660     1780            650.57        379.71      37.746913
  02/26/2026    1040     1070     1120     1240     1430     1650     1750            672.35        384.78      21.777590
  02/27/2026    1040     1070     1120     1250     1440     1650     1710            685.85        390.15      13.503007
  02/28/2026    1030     1060     1100     1200     1410     1600     1650            697.49        395.50      11.642897
  03/01/2026    1030     1060     1090     1180     1390     1560     1620            709.05        400.86      11.560169
  03/02/2026    1020     1050     1090     1160     1380     1540     1610            719.67        406.42      10.618667
  03/03/2026    1030     1050     1090     1170     1400     1560     1620            728.21        411.81       8.541612
  03/04/2026    1030     1060     1090     1170     1400     1570     1600            735.35        417.37       7.134485
  03/05/2026    1010     1040     1070     1150     1360     1530     1590            741.29        422.59       5.942070
  03/06/2026    1030     1050     1080     1170     1380     1540     1620            746.83        427.85       5.541568
  03/07/2026    1010     1040     1070     1140     1360     1520     1600            752.30        432.75       5.469832
  03/08/2026    1010     1030     1070     1140     1350     1510     1590            757.38        437.88       5.076852
  03/09/2026     983     1020     1050     1100     1290     1430     1520            762.38        443.09       4.998833
  03/10/2026     983     1020     1060     1100     1290     1440     1510            766.93        448.69       4.553124
  03/11/2026     985     1020     1050     1100     1270     1420     1510            771.23        453.64       4.302707
  03/12/2026     984     1020     1050     1100     1260     1420     1500            775.43        458.55       4.196178
  03/13/2026     986     1030     1060     1120     1270     1440     1530            779.36        464.06       3.936752
  03/14/2026     986     1020     1050     1090     1260     1400     1510            783.47        470.26       4.105101
  03/15/2026     985     1020     1040     1090     1240     1380     1500            787.56        477.00       4.089564
  03/16/2026     984     1020     1040     1090     1240     1350     1500            791.45        483.02       3.887825
  03/17/2026     984     1010     1030     1100     1230     1300     1500            795.70        489.19       4.252624
  03/18/2026     983     1010     1030     1080     1210     1280     1500            799.98        495.15       4.278574
  03/19/2026     984     1010     1030     1070     1210     1270     1480            804.42        500.55       4.440065
  03/20/2026     983     1000     1030     1070     1200     1260     1450            808.77        506.45       4.347501
  03/21/2026     984     1010     1030     1080     1210     1270     1460            812.97        512.19       4.201301
  03/22/2026     984     1010     1030     1060     1210     1280     1460            816.65        517.87       3.686831
  03/23/2026     986     1010     1030     1080     1210     1280     1470            820.89        524.27       4.236095
  03/24/2026     989     1020     1040     1090     1230     1320     1480            824.34        530.55       3.446248
  03/25/2026     987     1010     1030     1070     1210     1280     1430            827.94        536.72       3.607326
  03/26/2026     994     1010     1030     1080     1190     1260     1460            831.41        542.78       3.464679
  03/27/2026    1010     1030     1050     1110     1220     1280     1480            835.08        548.56       3.673194
  03/28/2026    1000     1020     1040     1100     1200     1270     1410            838.27        554.24       3.188228
  03/29/2026    1010     1030     1050     1110     1220     1280     1420            841.17        560.09       2.903348
  03/30/2026    1010     1020     1050     1090     1210     1270     1370            844.25        566.09       3.078888
  03/31/2026    1010     1020     1040     1070     1200     1260     1370            847.04        571.71       2.790453
  04/01/2026    1000     1010     1030     1060     1190     1240     1350            849.68        577.65       2.640947
  04/02/2026     987      992     1010     1030     1110     1190     1310            852.36        583.47       2.672850
  04/03/2026     991      997     1020     1030     1120     1200     1300            855.50        589.31       3.148310
  04/04/2026     994      998     1020     1040     1120     1210     1300            858.40        595.25       2.890868
  04/05/2026     993     1000     1020     1050     1130     1220     1290            860.88        601.38       2.486896
  04/06/2026     993     1000     1020     1040     1140     1210     1290            863.42        607.66       2.539211
  04/07/2026     995     1010     1030     1060     1160     1240     1310            865.99        613.76       2.569708
  04/08/2026    1000     1020     1050     1090     1200     1270     1350            868.49        619.98       2.494830
  04/09/2026    1030     1040     1070     1120     1230     1290     1380            870.91        626.01       2.425737
  04/10/2026    1020     1030     1070     1090     1190     1240     1340            873.80        632.41       2.883348
  04/11/2026    1020     1040     1060     1100     1210     1250     1360            877.60        638.97       3.803857
  04/12/2026    1030     1040     1060     1090     1180     1240     1330            882.94        645.88       5.341649
  04/13/2026    1030     1050     1060     1100     1190     1250     1340            888.75        652.82       5.805621
  04/14/2026    1040     1050     1070     1110     1190     1260     1360            892.59        659.61       3.844023
  04/15/2026    1040     1060     1070     1100     1190     1250     1350            896.52        666.05       3.928157
  04/16/2026    1030     1060     1060     1080     1170     1240     1350            900.35        672.48       3.833278
  04/17/2026    1050     1060     1080     1100     1200     1270     1390            904.38        678.57       4.031547
  04/18/2026    1050     1070     1090     1110     1200     1270     1390            907.71        685.34       3.325669
  04/19/2026    1050     1070     1090     1110     1190     1240     1360            911.19        692.15       3.476663
  04/20/2026    1060     1070     1080     1110     1190     1240     1350            914.68        699.04       3.497490
  04/21/2026    1060     1080     1090     1100     1170     1240     1380            919.08        705.97       4.398411
  04/22/2026    1080     1080     1090     1110     1180     1240     1370            924.03        713.03       4.950237
  04/23/2026    1080     1080     1090     1110     1160     1220     1380            928.13        719.92       4.100142
  04/24/2026    1080     1080     1090     1100     1160     1220     1320            932.31        727.37       4.179647
  04/25/2026    1070     1080     1090     1100     1140     1200     1320            937.05        734.72       4.733539
  04/26/2026    1080     1080     1090     1100     1150     1210     1330            941.61        741.95       4.568084
  04/27/2026    1080     1090     1090     1110     1160     1220     1330            946.13        749.32       4.519240
  04/28/2026    1080     1090     1090     1100     1150     1240     1380            949.84        756.62       3.712204
  04/29/2026    1080     1090     1090     1100     1160     1240     1330            953.41        764.11       3.566498
  04/30/2026    1080     1090     1100     1110     1180     1250     1340            957.05        771.60       3.636583
  05/01/2026    1080     1090     1100     1110     1160     1230     1340            960.99        778.52       3.938156
  05/02/2026    1080     1080     1090     1100     1140     1210     1340            964.74        785.89       3.749890
  05/03/2026    1080     1080     1090     1090     1120     1180     1340            968.48        793.13       3.741129
  05/04/2026    1080     1080     1080     1090     1110     1160     1340            972.29        800.41       3.812866
  05/05/2026    1080     1080     1080     1090     1100     1160     1330            975.48        808.14       3.192856
  05/06/2026    1080     1080     1080     1090     1100     1160     1310            979.53        815.81       4.049232
  05/07/2026    1080     1080     1080     1090     1110     1160     1330            983.25        823.40       3.717244
  05/08/2026    1080     1080     1090     1090     1120     1200     1330            986.70        830.88       3.449142
  05/09/2026    1080     1080     1080     1080     1100     1150     1250            989.84        838.22       3.145335
  05/10/2026    1080     1080     1080     1080     1090     1130     1240            992.78        845.31       2.937068
  05/11/2026    1080     1080     1080     1080     1090     1130     1230            995.67        852.22       2.884836
  05/12/2026    1080     1080     1080     1080     1090     1130     1200            998.68        859.03       3.012193
  05/13/2026    1080     1080     1080     1080     1090     1120     1200           1000.64        865.50       1.962261
  05/14/2026    1080     1080     1080     1080     1080     1120     1170           1002.70        872.20       2.062509
  05/15/2026    1080     1080     1080     1080     1080     1120     1190           1004.77        879.27       2.064576
#
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Location Photographs

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast   (CAZ107)