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



COTTONWOOD CREEK - COTTONWOOD (CWAC1)
Latitude: 40.39º NLongitude: 122.24º WElevation: 364 Feet
Location: Tehama County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: May 08 2025 at 8:36 AM PDT

2025 Water Year Trend Tabular Plot View  |  Select a Different Water Year:  

# Tabular Water Year Trend Plot for CWAC1
#
# File Generation Time:  05/08/2025  08:36 AM PDT
# Interval:  1 Day
#
# Latest Forecast Water Year Volume Forecast:  824 kaf
# 30 Year Water Year Volume Mean:  613 kaf
#
# Forecast Water Year Percent of Average:  134%
# Observed Water Year to Date Percent of Average:  140%
#
# Peak Water Year Volume and Date:     48.1 kaf  on  02/05/2025
#
#               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)
# -----------------------------------------------------------------------------------------------------------------------
  10/01/2024      76.2     97.4    230      505      862     1170     1860              0.12          0.15       0.124828
  10/02/2024      87.2    103      247      514      786     1150     1810              0.25          0.30       0.122523
  10/03/2024      87.0    107      241      519      774     1160     1810              0.36          0.45       0.116654
  10/04/2024      86.8    100      232      510      774     1160     1810              0.49          0.60       0.125601
  10/05/2024      86.7     91.2    227      511      773     1150     1820              0.61          0.75       0.116997
  10/06/2024      84.4     90.9    222      501      768     1150     1800              0.73          0.91       0.125181
  10/07/2024      87.7     96.5    237      510      797     1160     1820              0.85          1.06       0.122505
  10/08/2024      86.7    114      227      513      793     1160     1850              0.97          1.22       0.119458
  10/09/2024      86.8     99.3    235      513      819     1160     1850              1.10          1.39       0.123187
  10/10/2024      86.9    106      264      517      782     1180     1820              1.22          1.56       0.127829
  10/11/2024      87.3    100      257      524      800     1160     1820              1.36          1.75       0.138133
  10/12/2024      90.7    104      256      530      780     1180     1840              1.51          1.92       0.149185
  10/13/2024      87.2     93.3    226      503      774     1140     1830              1.66          2.09       0.145037
  10/14/2024      88.1    111      228      520      781     1160     1830              1.80          2.27       0.145583
  10/15/2024      87.3     94.2    225      498      762     1130     1830              1.95          2.45       0.148501
  10/16/2024      87.7     98.8    225      529      786     1150     1830              2.09          2.63       0.140878
  10/17/2024      85.2     93.1    236      508      833     1130     1840              2.23          2.81       0.138010
  10/18/2024      80.4     93.3    230      501      838     1140     1820              2.37          2.98       0.135584
  10/19/2024      80.6     93.2    230      499      841     1140     1840              2.49          3.16       0.122507
  10/20/2024      84.8     94.6    232      503      828     1150     1820              2.61          3.35       0.121162
  10/21/2024      83.8     92.6    238      534      845     1140     1790              2.73          3.53       0.123360
  10/22/2024      82.6     91.8    235      508      823     1140     1770              2.87          3.72       0.137336
  10/23/2024      74.6     90.6    230      490      811     1120     1760              3.01          3.91       0.142939
  10/24/2024      66.5     93.0    231      495      820     1110     1750              3.14          4.18       0.124719
  10/25/2024      71.8     92.0    231      463      822     1090     1750              3.26          4.59       0.117764
  10/26/2024      81.9     95.8    243      513      847     1110     1760              3.37          4.97       0.115858
  10/27/2024      71.7     86.6    226      464      797     1080     1740              3.48          5.22       0.113184
  10/28/2024      81.3     96.9    235      479      800     1100     1760              3.60          5.46       0.112195
  10/29/2024      88.2    100      240      543      829     1130     1790              3.73          5.70       0.134039
  10/30/2024      85.2     94.5    241      504      797     1090     1750              3.87          5.95       0.141330
  10/31/2024      71.4    103      241      511      806     1090     1750              4.02          6.22       0.142941
  11/01/2024      72.1     88.8    233      481      807     1080     1690              4.16          6.46       0.147564
  11/02/2024      63.2     96.5    234      476      794     1070     1700              4.32          6.70       0.160092
  11/03/2024      64.0    104      235      508      821     1090     1740              4.51          6.94       0.184598
  11/04/2024      60.0     83.9    232      479      783     1050     1690              4.71          7.17       0.207216
  11/05/2024      69.3    105      235      500      818     1060     1740              4.90          7.37       0.183777
  11/06/2024      76.5    105      244      491      815     1110     1780              5.06          7.58       0.165434
  11/07/2024      67.3     95.8    233      478      800     1090     1740              5.23          7.82       0.164652
  11/08/2024      73.4    107      237      482      805     1100     1770              5.39          8.08       0.160544
  11/09/2024      64.0     99.4    250      472      798     1110     1750              5.55          8.33       0.157928
  11/10/2024      77.3    106      232      501      804     1100     1750              5.71          8.70       0.161998
  11/11/2024      74.5    100      237      522      809     1090     1730              5.87          9.25       0.159364
  11/12/2024      56.7    118      242      484      788     1080     1740              6.04          9.78       0.166866
  11/13/2024      77.8    116      242      501      805     1090     1760              6.20         10.37       0.166662
  11/14/2024      56.5    104      224      448      788     1100     1710              6.38         10.86       0.179594
  11/15/2024      57.3    128      259      521      863     1150     1760              6.60         11.40       0.214145
  11/16/2024      77.8    138      275      553      814     1160     1860              6.85         12.01       0.254785
  11/17/2024     113      234      371      684      983     1390     2010              7.07         12.68       0.217495
  11/18/2024     149      279      454      780     1070     1400     2020              7.26         13.36       0.195712
  11/19/2024     177      280      460      732     1030     1370     1970              7.45         13.98       0.185277
  11/20/2024     154      240      464      729     1030     1310     1940              7.64         14.65       0.187211
  11/21/2024     191      324      502      764     1180     1410     2110              8.05         15.22       0.411247
  11/22/2024     153      296      465      674     1020     1360     1970             18.68         15.80      10.636904
  11/23/2024     155      315      484      688     1080     1380     1940             42.19         16.76      23.504152
  11/24/2024     156      319      477      699     1020     1350     1930             52.00         17.87       9.809617
  11/25/2024     158      313      464      680     1060     1310     1890             56.86         18.74       4.860404
  11/26/2024     162      310      450      676     1030     1290     1960             60.43         19.51       3.567577
  11/27/2024     158      302      428      667      957     1290     1850             63.88         20.52       3.456610
  11/28/2024     160      319      418      669      960     1360     1930             66.44         21.41       2.557037
  11/29/2024     160      314      413      648      936     1290     1960             68.36         22.42       1.923916
  11/30/2024     163      332      402      650      955     1270     1920             69.89         23.60       1.526908
  12/01/2024     168      321      424      682      987     1280     1960             71.14         24.55       1.252872
  12/02/2024     168      335      413      667      955     1250     1960             72.38         26.05       1.241677
  12/03/2024     168      319      397      667      955     1180     1950             73.51         27.60       1.120259
  12/04/2024     170      337      416      622      953     1200     2010             74.57         28.79       1.061327
  12/05/2024     160      344      410      625      936     1200     1980             75.59         30.07       1.019473
  12/06/2024     170      354      426      619      980     1210     2040             76.57         31.32       0.985016
  12/07/2024     166      336      409      626      941     1200     1920             77.52         32.63       0.949565
  12/08/2024     155      290      402      610      904     1180     1890             78.44         33.93       0.917599
  12/09/2024     185      350      463      707      998     1300     2030             79.32         35.55       0.880057
  12/10/2024     243      378      494      747      989     1320     2080             80.16         37.45       0.841294
  12/11/2024     276      398      543      722     1030     1330     2090             80.96         40.40       0.798010
  12/12/2024     292      409      540      756     1040     1330     2010             81.73         42.26       0.771915
  12/13/2024     273      401      551      757     1030     1320     1930             82.74         43.73       1.014646
  12/14/2024     344      469      594      803     1090     1380     2030             85.40         45.72       2.653665
  12/15/2024     407      513      649      874     1150     1430     2110            112.91         47.86      27.514511
  12/16/2024     388      538      646      911     1180     1490     2080            121.64         50.49       8.731103
  12/17/2024     402      569      686      929     1160     1430     2050            128.36         52.63       6.714800
  12/18/2024     437      578      705      922     1140     1430     2010            134.28         54.37       5.922896
  12/19/2024     408      570      658      963     1210     1410     2000            138.64         57.65       4.360830
  12/20/2024     481      595      716      979     1250     1470     2080            142.42         60.59       3.777596
  12/21/2024     477      569      671      912     1140     1390     2050            145.96         63.69       3.544023
  12/22/2024     481      542      682      911     1240     1440     2020            149.82         66.44       3.855428
  12/23/2024     465      505      665      944     1220     1390     1990            154.04         68.70       4.216399
  12/24/2024     503      554      743      963     1210     1430     2050            158.20         71.02       4.160108
  12/25/2024     475      546      695      927     1210     1400     2030            171.11         73.37      12.919319
  12/26/2024     445      509      631      897     1110     1370     2010            178.52         75.47       7.401732
  12/27/2024     416      490      608      872     1060     1340     1990            185.12         78.32       6.603930
  12/28/2024     411      493      603      875     1080     1400     1990            195.30         82.08      10.176928
  12/29/2024     417      498      623      873     1110     1440     2030            207.22         85.32      11.927712
  12/30/2024     421      474      593      855     1040     1360     2100            224.48         88.87      17.254288
  12/31/2024     441      525      617      879     1060     1400     2080            236.56         94.18      12.076320
  01/01/2025     431      517      615      855     1030     1350     2030            244.41         98.82       7.855664
  01/02/2025     421      500      605      857     1010     1350     2020            250.68        102.65       6.269050
  01/03/2025     442      508      611      880     1030     1360     2150            256.06        105.27       5.381287
  01/04/2025     415      469      591      834      974     1310     2070            262.10        108.12       6.037849
  01/05/2025     413      472      587      849      982     1340     2020            267.98        110.59       5.877581
  01/06/2025     415      467      594      844      985     1330     2020            272.74        113.43       4.766283
  01/07/2025     414      465      599      851      960     1290     2010            277.03        116.23       4.286268
  01/08/2025     415      448      578      816      924     1200     1940            280.83        119.83       3.800797
  01/09/2025     414      446      577      821      901     1230     1940            284.25        125.00       3.416938
  01/10/2025     413      451      606      824      908     1190     1970            287.36        128.84       3.110866
  01/11/2025     412      468      604      828      956     1270     2040            290.10        132.46       2.739985
  01/12/2025     412      445      579      819      892     1240     1920            292.59        136.16       2.490961
  01/13/2025     412      436      536      757      867     1210     1780            294.93        140.68       2.339889
  01/14/2025     412      443      540      790      880     1220     1880            297.13        145.01       2.200174
  01/15/2025     419      444      558      768      869     1160     1810            299.19        148.53       2.062596
  01/16/2025     417      448      535      764      854     1180     1760            301.11        152.34       1.920117
  01/17/2025     420      440      569      794      880     1180     1730            302.93        156.33       1.816735
  01/18/2025     421      447      562      780      884     1170     1740            304.66        160.05       1.729479
  01/19/2025     420      429      515      693      826     1040     1550            306.28        163.93       1.623521
  01/20/2025     420      430      512      694      833     1030     1600            307.86        168.50       1.579842
  01/21/2025     421      427      496      663      761      946     1570            309.34        172.06       1.475169
  01/22/2025     419      431      507      674      784      967     1580            310.72        175.71       1.388246
  01/23/2025     422      432      501      684      801      989     1540            312.06        179.49       1.332759
  01/24/2025     420      437      523      725      826     1030     1580            313.33        183.51       1.269418
  01/25/2025     423      446      539      727      799     1060     1550            314.56        187.63       1.231141
  01/26/2025     424      445      539      698      802     1040     1540            315.75        193.39       1.191044
  01/27/2025     426      467      547      744      859     1090     1560            316.88        198.13       1.134001
  01/28/2025     439      516      615      804      966     1190     1680            317.97        202.32       1.090808
  01/29/2025     455      581      689      823      983     1220     1680            319.04        205.70       1.063912
  01/30/2025     464      565      629      820      956     1210     1670            320.07        209.12       1.034243
  01/31/2025     473      543      652      819      952     1180     1680            321.08        212.41       1.002804
  02/01/2025     484      587      684      871     1000     1200     1700            322.13        215.94       1.056638
  02/02/2025     533      596      677      868     1010     1140     1580            323.69        219.81       1.562831
  02/03/2025     568      598      667      855      942     1080     1490            341.76        224.72      18.060968
  02/04/2025     599      637      749      941     1030     1220     1680            369.22        228.21      27.466947
  02/05/2025     714      756      840     1020     1130     1310     1700            417.28        232.00      48.053554
  02/06/2025     705      730      812     1000     1110     1280     1690            442.30        236.27      25.026107
  02/07/2025     713      737      825     1000     1140     1280     1610            458.62        241.67      16.321993
  02/08/2025     717      753      817      999     1110     1250     1580            472.36        245.97      13.738631
  02/09/2025     704      742      805      973     1090     1230     1580            481.78        249.76       9.418947
  02/10/2025     713      732      797      955     1060     1190     1570            489.35        253.75       7.567890
  02/11/2025     709      734      760      910      999     1140     1490            495.89        257.30       6.545403
  02/12/2025     707      745      795      927     1030     1190     1560            501.55        260.84       5.650331
  02/13/2025     712      724      754      865      968     1110     1360            506.53        264.70       4.981396
  02/14/2025     708      731      748      866      977     1100     1420            515.68        270.25       9.151456
  02/15/2025     710      733      816      985     1100     1210     1770            524.81        274.90       9.131290
  02/16/2025     717      735      754      844      964     1090     1380            531.31        279.90       6.504640
  02/17/2025     718      738      756      840      945     1090     1300            536.99        287.28       5.673223
  02/18/2025     714      733      747      832      927     1070     1310            542.47        294.11       5.482146
  02/19/2025     713      731      745      820      909     1050     1260            547.51        299.86       5.038090
  02/20/2025     717      735      742      834      942     1070     1290            552.38        305.07       4.871063
  02/21/2025     731      744      764      865      979     1130     1350            557.31        310.43       4.936436
  02/22/2025     731      746      775      864      987     1110     1390            561.85        314.73       4.533620
  02/23/2025     733      750      776      872      978     1120     1310            566.04        318.99       4.193780
  02/24/2025     727      755      800      886     1010     1110     1330            570.32        323.13       4.282129
  02/25/2025     727      755      811      908     1010     1120     1370            574.91        327.34       4.588663
  02/26/2025     726      760      797      884      992     1100     1280            579.17        331.40       4.257252
  02/27/2025     727      762      802      887      986     1110     1280            583.01        337.00       3.843362
  02/28/2025     729      751      776      865      965     1060     1270            586.51        341.62       3.493108
  03/01/2025     731      751      762      827      941     1020     1210            589.73        347.07       3.219221
  03/02/2025    Missing  Missing  Missing  Missing  Missing  Missing  Missing         592.72        352.25       2.989218
  03/03/2025     738      753      785      857      962     1060     1190            595.80        356.83       3.087153
  03/04/2025     743      756      785      842      962     1060     1270            598.57        361.06       2.763595
  03/05/2025     742      760      771      852      968     1090     1130            601.15        365.83       2.581938
  03/06/2025     753      770      819      888     1040     1130     1280            603.63        370.18       2.482102
  03/07/2025     746      761      784      862     1000     1090     1210            605.99        374.01       2.356398
  03/08/2025     746      756      774      844      924     1050     1180            608.19        377.93       2.207552
  03/09/2025     751      755      783      836      929     1050     1150            610.25        382.38       2.055650
  03/10/2025     750      770      793      837      944     1050     1140            612.22        387.17       1.970607
  03/11/2025     750      757      793      840      965     1060     1150            614.12        391.58       1.901020
  03/12/2025     765      769      801      855      957     1090     1200            615.96        395.60       1.834242
  03/13/2025     783      787      823      856      991     1110     1150            617.84        400.04       1.884821
  03/14/2025     755      788      817      856      977     1050     1170            619.86        404.44       2.019699
  03/15/2025     787      803      830      869      960     1070     1140            622.07        409.62       2.211023
  03/16/2025     768      789      804      844      903      976     1060            624.24        413.99       2.173751
  03/17/2025     759      765      776      793      830      916      954            626.57        417.87       2.322762
  03/18/2025     767      771      781      825      901      970     1070            630.98        421.48       4.416098
  03/19/2025     764      770      792      825      880      975     1020            634.60        424.58       3.618648
  03/20/2025     761      771      778      798      847      922      989            637.70        428.61       3.099135
  03/21/2025     765      774      782      808      882      953      995            640.61        432.49       2.909795
  03/22/2025     768      774      785      811      886      950     1080            643.32        436.92       2.712767
  03/23/2025     771      779      791      843      904      992     1080            645.92        441.45       2.596237
  03/24/2025     775      780      797      824      893      999     1070            648.45        446.40       2.525575
  03/25/2025     778      786      813      846      923     1020     1120            650.99        450.48       2.544170
  03/26/2025     776      788      817      849      912     1000     1140            653.58        454.02       2.594666
  03/27/2025     766      770      778      793      833      905      970            656.18        457.47       2.594335
  03/28/2025     777      788      806      831      873      987     1050            658.78        460.88       2.600864
  03/29/2025     775      783      796      820      859      924      943            661.36        463.85       2.580369
  03/30/2025     782      788      799      819      855      909      930            663.77        466.78       2.407308
  03/31/2025     781      794      802      813      839      889      928            667.04        469.86       3.276907
  04/01/2025     783      788      793      801      820      862      897            670.63        472.72       3.581126
  04/02/2025     789      792      797      803      821      859      907            674.42        475.47       3.794848
  04/03/2025     789      793      797      805      823      863      909            678.17        478.28       3.749890
  04/04/2025     792      793      799      806      824      863      913            681.75        480.75       3.583028
  04/05/2025     790      793      797      803      822      861      909            685.24        483.06       3.482118
  04/06/2025     791      794      797      803      823      860      908            688.65        485.34       3.413768
  04/07/2025     791      793      795      801      816      857      904            692.09        487.84       3.443521
  04/08/2025     796      799      800      805      821      856      908            695.85        490.10       3.754930
  04/09/2025     797      799      800      805      822      852      898            699.68        492.34       3.831130
  04/10/2025     797      799      800      805      817      848      895            703.27        494.47       3.591127
  04/11/2025     798      800      800      804      821      843      887            706.66        497.00       3.390710
  04/12/2025     798      799      800      803      815      845      891            709.87        500.38       3.205501
  04/13/2025     798      799      800      804      818      843      898            712.94        503.33       3.076988
  04/14/2025     799      799      801      804      815      834      891            715.87        505.83       2.922687
  04/15/2025     800      800      801      806      818      837      904            718.67        508.10       2.801033
  04/16/2025     800      801      802      806      820      835      907            721.38        510.25       2.715991
  04/17/2025     803      804      805      808      819      833      896            724.02        512.45       2.636484
  04/18/2025     804      805      806      808      820      835      893            726.64        514.65       2.619295
  04/19/2025     806      806      807      809      818      834      891            729.19        516.68       2.551773
  04/20/2025     806      806      807      810      820      835      900            731.64        518.65       2.449375
  04/21/2025     805      806      807      809      816      834      884            734.03        520.56       2.390365
  04/22/2025     805      806      807      809      816      836      867            736.37        522.40       2.337886
  04/23/2025     806      808      808      811      817      838      876            738.67        524.25       2.297968
  04/24/2025     807      808      809      812      818      838      868            740.90        526.13       2.235321
  04/25/2025     812      812      813      815      820      840      883            743.10        527.95       2.195651
  04/26/2025     811      811      813      816      821      846      887            745.25        529.70       2.156560
  04/27/2025     811      811      812      815      821      846      883            747.39        531.39       2.138709
  04/28/2025     813      814      815      817      826      852      895            749.53        533.22       2.133419
  04/29/2025     820      821      823      825      833      859      898            751.60        535.14       2.073666
  04/30/2025     819      821      821      825      830      850      927            753.58        537.05       1.980856
  05/01/2025     819      821      822      823      827      849      917            755.51        538.81       1.926558
  05/02/2025     819      820      821      823      829      842      948            757.40        540.48       1.890111
  05/03/2025     820      821      822      824      828      841      916            759.27        542.13       1.874324
  05/04/2025     821      822      823      824      826      837      949            761.14        543.70       1.872672
  05/05/2025     821      822      823      825      828      840      945            762.98        545.40       1.839200
  05/06/2025     822      822      823      824      827      838      909            764.76        546.98       1.777547
  05/07/2025     822      822      823      825      827      841      881            766.48        548.47       1.719611
  05/08/2025     822      822      823      824      826      836      857            768.15        550.00       1.666719
#
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Location Photographs

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast   (CAZ015)
Today: Sunny, warmer. Highs 84 to 90. Light winds becoming south up to 10 mph in the afternoon.

Tonight: Mostly clear. Lows 57 to 63. South winds up to 10 mph in the evening becoming light.

Friday: Mostly sunny. Highs around 91. Light winds becoming south up to 10 mph with gusts to around 20 mph in the afternoon.

Friday Night: Mostly clear. Lows 57 to 63. South winds up to 10 mph in the evening becoming light.

Saturday: Mostly sunny. Highs 88 to 93. Light winds becoming south up to 10 mph in the afternoon.

Saturday Night: Mostly clear. Lows around 58.

Sunday: Partly cloudy. Highs 78 to 84.

Sunday Night: Partly cloudy with a chance of rain showers. Lows around 49.

Monday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Highs 60 to 66.

Monday Night: Partly cloudy with a slight chance of rain showers. Lows around 47.

Tuesday and Tuesday Night: Mostly clear. Highs around 73. Lows 47 to 53.

Wednesday: Sunny. Highs around 79.