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

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RUSSIAN RIVER - UKIAH (UKAC1)
Latitude: 39.20º NLongitude: 123.19º WElevation: 599 Feet
Location: Mendocino County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Dec 26 2025 at 1:28 PM PSTNext Issuance: Dec 27 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Ukiah 3NNE (UKAC1)
#
# File Generation Time:  12/26/2025 at 01:29 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/21/2025 at 07:00 PM PST
# Maximum Observed Stage:                       18.83 Feet
# Maximum Observed Flow:                        10717 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 04:00 PM PST
# Maximum Forecast Stage:                       10.14 Feet
# Maximum Forecast Flow:                        1952 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 01 PM PST           14.52           5021                Not Applicable
  12/21/2025 02 PM PST           15.22           5793         +      Not Applicable
  12/21/2025 03 PM PST           15.91           6610         +      Not Applicable
  12/21/2025 04 PM PST           16.75           7684         +      Not Applicable
  12/21/2025 05 PM PST           17.39           8560         +      Not Applicable
  12/21/2025 06 PM PST           18.14           9651         +      Not Applicable
  12/21/2025 07 PM PST           18.83          10717         +      Not Applicable
  12/21/2025 08 PM PST           18.62          10386         -      Not Applicable
  12/21/2025 09 PM PST           17.89           9279         -      Not Applicable
  12/21/2025 10 PM PST           16.71           7631         -      Not Applicable
  12/21/2025 11 PM PST           15.41           6012         -      Not Applicable
  12/22/2025 12 AM PST           14.53           5032         -      Not Applicable
  12/22/2025 01 AM PST           13.90           4515         -      Not Applicable
  12/22/2025 02 AM PST           13.27           4028         -      Not Applicable
  12/22/2025 03 AM PST           12.68           3592         -      Not Applicable
  12/22/2025 04 AM PST           12.24           3280         -      Not Applicable
  12/22/2025 05 AM PST           11.77           2959         -      Not Applicable
  12/22/2025 06 AM PST           11.36           2690         -      Not Applicable
  12/22/2025 07 AM PST           10.98           2451         -      Not Applicable
  12/22/2025 08 AM PST           10.61           2225         -      Not Applicable
  12/22/2025 09 AM PST           10.27           2026         -      Not Applicable
  12/22/2025 10 AM PST            9.98           1862         -      Not Applicable
  12/22/2025 11 AM PST            9.72           1720         -      Not Applicable
  12/22/2025 12 PM PST            9.51           1615         -      Not Applicable
  12/22/2025 01 PM PST            9.31           1526         -      Not Applicable
  12/22/2025 02 PM PST            9.11           1438         -      Not Applicable
  12/22/2025 03 PM PST            8.97           1378         -      Not Applicable
  12/22/2025 04 PM PST            8.80           1306         -      Not Applicable
  12/22/2025 05 PM PST            8.67           1250         -      Not Applicable
  12/22/2025 06 PM PST            8.54           1186         -      Not Applicable
  12/22/2025 07 PM PST            8.43           1131         -      Not Applicable
  12/22/2025 08 PM PST            8.32           1077         -      Not Applicable
  12/22/2025 09 PM PST            8.23           1033         -      Not Applicable
  12/22/2025 10 PM PST            8.15            994         -      Not Applicable
  12/22/2025 11 PM PST            8.05            948         -      Not Applicable
  12/23/2025 12 AM PST            8.00            925         -      Not Applicable
  12/23/2025 01 AM PST            7.95            902         -      Not Applicable
  12/23/2025 02 AM PST            7.90            880         -      Not Applicable
  12/23/2025 03 AM PST            7.88            871         -      Not Applicable
  12/23/2025 04 AM PST            7.84            853         -      Not Applicable
  12/23/2025 05 AM PST            7.79            831         -      Not Applicable
  12/23/2025 06 AM PST            7.73            805         -      Not Applicable
  12/23/2025 07 AM PST            7.68            783         -      Not Applicable
  12/23/2025 08 AM PST            7.63            762         -      Not Applicable
  12/23/2025 09 AM PST            7.59            746         -      Not Applicable
  12/23/2025 10 AM PST            7.54            725         -      Not Applicable
  12/23/2025 11 AM PST            7.51            713         -      Not Applicable
  12/23/2025 12 PM PST            7.46            692         -      Not Applicable
  12/23/2025 01 PM PST            7.44            684         -      Not Applicable
  12/23/2025 02 PM PST            7.41            672         -      Not Applicable
  12/23/2025 03 PM PST            7.37            656         -      Not Applicable
  12/23/2025 04 PM PST            7.37            656         0      Not Applicable
  12/23/2025 05 PM PST            7.37            656         0      Not Applicable
  12/23/2025 06 PM PST            7.40            668         +      Not Applicable
  12/23/2025 07 PM PST            7.41            672         +      Not Applicable
  12/23/2025 08 PM PST            7.43            680         +      Not Applicable
  12/23/2025 09 PM PST            7.43            680         0      Not Applicable
  12/23/2025 10 PM PST            7.45            688         +      Not Applicable
  12/23/2025 11 PM PST            7.49            705         +      Not Applicable
  12/24/2025 12 AM PST            7.61            754         +      Not Applicable
  12/24/2025 01 AM PST            7.83            848         +      Not Applicable
  12/24/2025 02 AM PST            8.15            994         +      Not Applicable
  12/24/2025 03 AM PST            8.72           1272         +      Not Applicable
  12/24/2025 04 AM PST            9.58           1647         +      Not Applicable
  12/24/2025 05 AM PST           10.22           1997         +      Not Applicable
  12/24/2025 06 AM PST           10.63           2237         +      Not Applicable
  12/24/2025 07 AM PST           10.62           2231         -      Not Applicable
  12/24/2025 08 AM PST           10.40           2101         -      Not Applicable
  12/24/2025 09 AM PST           10.12           1940         -      Not Applicable
  12/24/2025 10 AM PST            9.83           1779         -      Not Applicable
  12/24/2025 11 AM PST            9.53           1624         -      Not Applicable
  12/24/2025 12 PM PST            9.30           1522         -      Not Applicable
  12/24/2025 01 PM PST            9.06           1417         -      Not Applicable
  12/24/2025 02 PM PST            8.88           1340         -      Not Applicable
  12/24/2025 03 PM PST            8.72           1272         -      Not Applicable
  12/24/2025 04 PM PST            8.58           1207         -      Not Applicable
  12/24/2025 05 PM PST            8.47           1151         -      Not Applicable
  12/24/2025 06 PM PST            8.38           1106         -      Not Applicable
  12/24/2025 07 PM PST            8.30           1067         -      Not Applicable
  12/24/2025 08 PM PST            8.29           1062         -      Not Applicable
  12/24/2025 09 PM PST            8.32           1077         +      Not Applicable
  12/24/2025 10 PM PST            8.57           1202         +      Not Applicable
  12/24/2025 11 PM PST            9.19           1474         +      Not Applicable
  12/25/2025 12 AM PST            9.56           1638         +      Not Applicable
  12/25/2025 01 AM PST            9.54           1629         -      Not Applicable
  12/25/2025 02 AM PST            9.38           1557         -      Not Applicable
  12/25/2025 03 AM PST            9.34           1540         -      Not Applicable
  12/25/2025 04 AM PST            9.44           1584         +      Not Applicable
  12/25/2025 05 AM PST            9.69           1704         +      Not Applicable
  12/25/2025 06 AM PST            9.78           1752         +      Not Applicable
  12/25/2025 07 AM PST            9.74           1730         -      Not Applicable
  12/25/2025 08 AM PST            9.68           1698         -      Not Applicable
  12/25/2025 09 AM PST            9.62           1667         -      Not Applicable
  12/25/2025 10 AM PST            9.65           1682         +      Not Applicable
  12/25/2025 11 AM PST           10.02           1884         +      Not Applicable
  12/25/2025 12 PM PST           10.42           2113         +      Not Applicable
  12/25/2025 01 PM PST           10.50           2160         +      Not Applicable
  12/25/2025 02 PM PST           10.32           2055         -      Not Applicable
  12/25/2025 03 PM PST           10.09           1923         -      Not Applicable
  12/25/2025 04 PM PST            9.88           1807         -      Not Applicable
  12/25/2025 05 PM PST            9.67           1693         -      Not Applicable
  12/25/2025 06 PM PST            9.52           1620         -      Not Applicable
  12/25/2025 07 PM PST            9.46           1593         -      Not Applicable
  12/25/2025 08 PM PST            9.59           1651         +      Not Applicable
  12/25/2025 09 PM PST           10.05           1901         +      Not Applicable
  12/25/2025 10 PM PST           10.52           2172         +      Not Applicable
  12/25/2025 11 PM PST           10.63           2237         +      Not Applicable
  12/26/2025 12 AM PST           10.48           2148         -      Not Applicable
  12/26/2025 01 AM PST           10.31           2049         -      Not Applicable
  12/26/2025 02 AM PST           10.05           1901         -      Not Applicable
  12/26/2025 03 AM PST            9.81           1768         -      Not Applicable
  12/26/2025 04 AM PST            9.59           1651         -      Not Applicable
  12/26/2025 05 AM PST            9.45           1588         -      Not Applicable
  12/26/2025 06 AM PST            9.42           1575         -      Not Applicable
  12/26/2025 07 AM PST            9.45           1588         +      Not Applicable
  12/26/2025 08 AM PST            9.42           1575         -      Not Applicable
  12/26/2025 09 AM PST            9.37           1553         -      Not Applicable
  12/26/2025 10 AM PST            9.46           1593         +      Not Applicable
  12/26/2025 11 AM PST            9.61           1661         +      Not Applicable
  12/26/2025 12 PM PST            9.74           1730         +      Not Applicable
  12/26/2025 01 PM PST            9.88           1807         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 02 PM PST            9.97           1856                Not Applicable
  12/26/2025 03 PM PST           10.10           1929         +      Not Applicable
  12/26/2025 04 PM PST           10.14           1952         +      Not Applicable
  12/26/2025 05 PM PST           10.05           1901         -      Not Applicable
  12/26/2025 06 PM PST            9.90           1818         -      Not Applicable
  12/26/2025 07 PM PST            9.72           1720         -      Not Applicable
  12/26/2025 08 PM PST            9.55           1633         -      Not Applicable
  12/26/2025 09 PM PST            9.43           1579         -      Not Applicable
  12/26/2025 10 PM PST            9.36           1548         -      Not Applicable
  12/26/2025 11 PM PST            9.26           1504         -      Not Applicable
  12/27/2025 12 AM PST            9.14           1451         -      Not Applicable
  12/27/2025 01 AM PST            9.01           1395         -      Not Applicable
  12/27/2025 02 AM PST            8.90           1348         -      Not Applicable
  12/27/2025 03 AM PST            8.79           1302         -      Not Applicable
  12/27/2025 04 AM PST            8.69           1259         -      Not Applicable
  12/27/2025 05 AM PST            8.61           1222         -      Not Applicable
  12/27/2025 06 AM PST            8.54           1186         -      Not Applicable
  12/27/2025 07 AM PST            8.48           1156         -      Not Applicable
  12/27/2025 08 AM PST            8.42           1126         -      Not Applicable
  12/27/2025 09 AM PST            8.37           1101         -      Not Applicable
  12/27/2025 10 AM PST            8.32           1077         -      Not Applicable
  12/27/2025 11 AM PST            8.27           1052         -      Not Applicable
  12/27/2025 12 PM PST            8.23           1033         -      Not Applicable
  12/27/2025 01 PM PST            8.17           1004         -      Not Applicable
  12/27/2025 02 PM PST            8.11            976         -      Not Applicable
  12/27/2025 03 PM PST            8.05            948         -      Not Applicable
  12/27/2025 04 PM PST            8.00            925         -      Not Applicable
  12/27/2025 05 PM PST            7.95            902         -      Not Applicable
  12/27/2025 06 PM PST            7.91            884         -      Not Applicable
  12/27/2025 07 PM PST            7.86            862         -      Not Applicable
  12/27/2025 08 PM PST            7.82            844         -      Not Applicable
  12/27/2025 09 PM PST            7.78            826         -      Not Applicable
  12/27/2025 10 PM PST            7.74            809         -      Not Applicable
  12/27/2025 11 PM PST            7.70            792         -      Not Applicable
  12/28/2025 12 AM PST            7.66            775         -      Not Applicable
  12/28/2025 01 AM PST            7.62            758         -      Not Applicable
  12/28/2025 02 AM PST            7.59            746         -      Not Applicable
  12/28/2025 03 AM PST            7.56            733         -      Not Applicable
  12/28/2025 04 AM PST            7.53            721         -      Not Applicable
  12/28/2025 05 AM PST            7.50            709         -      Not Applicable
  12/28/2025 06 AM PST            7.47            697         -      Not Applicable
  12/28/2025 07 AM PST            7.44            684         -      Not Applicable
  12/28/2025 08 AM PST            7.41            672         -      Not Applicable
  12/28/2025 09 AM PST            7.38            660         -      Not Applicable
  12/28/2025 10 AM PST            7.36            652         -      Not Applicable
  12/28/2025 11 AM PST            7.33            641         -      Not Applicable
  12/28/2025 12 PM PST            7.31            633         -      Not Applicable
  12/28/2025 01 PM PST            7.28            621         -      Not Applicable
  12/28/2025 02 PM PST            7.26            614         -      Not Applicable
  12/28/2025 03 PM PST            7.24            606         -      Not Applicable
  12/28/2025 04 PM PST            7.22            598         -      Not Applicable
  12/28/2025 05 PM PST            7.20            591         -      Not Applicable
  12/28/2025 06 PM PST            7.17            580         -      Not Applicable
  12/28/2025 07 PM PST            7.15            572         -      Not Applicable
  12/28/2025 08 PM PST            7.13            565         -      Not Applicable
  12/28/2025 09 PM PST            7.12            561         -      Not Applicable
  12/28/2025 10 PM PST            7.10            554         -      Not Applicable
  12/28/2025 11 PM PST            7.08            547         -      Not Applicable
  12/29/2025 12 AM PST            7.06            539         -      Not Applicable
  12/29/2025 01 AM PST            7.04            532         -      Not Applicable
  12/29/2025 02 AM PST            7.03            529         -      Not Applicable
  12/29/2025 03 AM PST            7.01            522         -      Not Applicable
  12/29/2025 04 AM PST            6.99            514         -      Not Applicable
  12/29/2025 05 AM PST            6.98            511         -      Not Applicable
  12/29/2025 06 AM PST            6.96            504         -      Not Applicable
  12/29/2025 07 AM PST            6.95            500         -      Not Applicable
  12/29/2025 08 AM PST            6.93            493         -      Not Applicable
  12/29/2025 09 AM PST            6.92            490         -      Not Applicable
  12/29/2025 10 AM PST            6.90            483         -      Not Applicable
  12/29/2025 11 AM PST            6.89            480         -      Not Applicable
  12/29/2025 12 PM PST            6.87            473         -      Not Applicable
  12/29/2025 01 PM PST            6.86            469         -      Not Applicable
  12/29/2025 02 PM PST            6.85            466         -      Not Applicable
  12/29/2025 03 PM PST            6.83            459         -      Not Applicable
  12/29/2025 04 PM PST            6.82            456         -      Not Applicable
  12/29/2025 05 PM PST            6.80            449         -      Not Applicable
  12/29/2025 06 PM PST            6.79            446         -      Not Applicable
  12/29/2025 07 PM PST            6.78            442         -      Not Applicable
  12/29/2025 08 PM PST            6.77            439         -      Not Applicable
  12/29/2025 09 PM PST            6.75            432         -      Not Applicable
  12/29/2025 10 PM PST            6.74            429         -      Not Applicable
  12/29/2025 11 PM PST            6.73            426         -      Not Applicable
  12/30/2025 12 AM PST            6.72            422         -      Not Applicable
  12/30/2025 01 AM PST            6.71            419         -      Not Applicable
  12/30/2025 02 AM PST            6.70            416         -      Not Applicable
  12/30/2025 03 AM PST            6.68            410         -      Not Applicable
  12/30/2025 04 AM PST            6.67            406         -      Not Applicable
  12/30/2025 05 AM PST            6.66            403         -      Not Applicable
  12/30/2025 06 AM PST            6.65            400         -      Not Applicable
  12/30/2025 07 AM PST            6.64            397         -      Not Applicable
  12/30/2025 08 AM PST            6.62            391         -      Not Applicable
  12/30/2025 09 AM PST            6.61            388         -      Not Applicable
  12/30/2025 10 AM PST            6.60            385         -      Not Applicable
  12/30/2025 11 AM PST            6.59            382         -      Not Applicable
  12/30/2025 12 PM PST            6.58            379         -      Not Applicable
  12/30/2025 01 PM PST            6.57            375         -      Not Applicable
  12/30/2025 02 PM PST            6.56            372         -      Not Applicable
  12/30/2025 03 PM PST            6.55            369         -      Not Applicable
  12/30/2025 04 PM PST            6.54            366         -      Not Applicable
  12/30/2025 05 PM PST            6.53            363         -      Not Applicable
  12/30/2025 06 PM PST            6.52            360         -      Not Applicable
  12/30/2025 07 PM PST            6.51            357         -      Not Applicable
  12/30/2025 08 PM PST            6.50            354         -      Not Applicable
  12/30/2025 09 PM PST            6.49            351         -      Not Applicable
  12/30/2025 10 PM PST            6.48            348         -      Not Applicable
  12/30/2025 11 PM PST            6.47            345         -      Not Applicable
  12/31/2025 12 AM PST            6.46            342         -      Not Applicable
  12/31/2025 01 AM PST            6.45            339         -      Not Applicable
  12/31/2025 02 AM PST            6.44            336         -      Not Applicable
  12/31/2025 03 AM PST            6.43            333         -      Not Applicable
  12/31/2025 04 AM PST            6.42            331         -      Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.