NAPA RIVER - NAPA (APCC1)
Latitude: 38.37º NLongitude: 122.30º WElevation: 25 Feet
Location: Napa County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Dec 24 2025 at 2:08 PM PSTNext Issuance: Dec 25 2025 at 9:00 AM PST
Action/Monitor: 22.0 FeetMinor Flood: 25.0 FeetModerate Flood: 26.0 FeetMajor Flood: 28.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Napa River - Napa (APCC1)
#
# File Generation Time:  12/24/2025 at 02:08 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 05:00 AM PST
# Maximum Observed Stage:                       13.76 Feet
# Maximum Observed Flow:                        3643 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 04:00 AM PST
# Maximum Forecast Stage:                       11.43 Feet
# Maximum Forecast Flow:                        2427 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/19/2025 02 PM PST            2.59             11                        Normal
  12/19/2025 03 PM PST            2.60             11         +              Normal
  12/19/2025 04 PM PST            2.64             13         +              Normal
  12/19/2025 05 PM PST            2.65             13         +              Normal
  12/19/2025 06 PM PST            2.65             13         0              Normal
  12/19/2025 07 PM PST            2.65             13         0              Normal
  12/19/2025 08 PM PST            2.64             13         -              Normal
  12/19/2025 09 PM PST            2.65             13         +              Normal
  12/19/2025 10 PM PST            2.65             13         0              Normal
  12/19/2025 11 PM PST            2.66             14         +              Normal
  12/20/2025 12 AM PST            2.67             14         +              Normal
  12/20/2025 01 AM PST            2.68             15         +              Normal
  12/20/2025 02 AM PST            2.70             15         +              Normal
  12/20/2025 03 AM PST            2.71             16         +              Normal
  12/20/2025 04 AM PST            2.75             18         +              Normal
  12/20/2025 05 AM PST            2.91             26         +              Normal
  12/20/2025 06 AM PST            3.03             34         +              Normal
  12/20/2025 07 AM PST            3.09             38         +              Normal
  12/20/2025 08 AM PST            3.13             42         +              Normal
  12/20/2025 09 AM PST            3.25             52         +              Normal
  12/20/2025 10 AM PST            3.38             64         +              Normal
  12/20/2025 11 AM PST            3.40             66         +              Normal
  12/20/2025 12 PM PST            3.40             66         0              Normal
  12/20/2025 01 PM PST            3.39             65         -              Normal
  12/20/2025 02 PM PST            3.39             65         0              Normal
  12/20/2025 03 PM PST            3.41             67         +              Normal
  12/20/2025 04 PM PST            3.44             70         +              Normal
  12/20/2025 05 PM PST            3.45             71         +              Normal
  12/20/2025 06 PM PST            3.46             72         +              Normal
  12/20/2025 07 PM PST            3.47             73         +              Normal
  12/20/2025 08 PM PST            3.47             73         0              Normal
  12/20/2025 09 PM PST            3.47             73         0              Normal
  12/20/2025 10 PM PST            3.47             73         0              Normal
  12/20/2025 11 PM PST            3.46             72         -              Normal
  12/21/2025 12 AM PST            3.46             72         0              Normal
  12/21/2025 01 AM PST            3.45             71         -              Normal
  12/21/2025 02 AM PST            3.44             70         -              Normal
  12/21/2025 03 AM PST            3.42             68         -              Normal
  12/21/2025 04 AM PST            3.41             67         -              Normal
  12/21/2025 05 AM PST            3.40             66         -              Normal
  12/21/2025 06 AM PST            3.38             64         -              Normal
  12/21/2025 07 AM PST            3.37             63         -              Normal
  12/21/2025 08 AM PST            3.38             64         +              Normal
  12/21/2025 09 AM PST            3.40             66         +              Normal
  12/21/2025 10 AM PST            3.43             69         +              Normal
  12/21/2025 11 AM PST            3.45             71         +              Normal
  12/21/2025 12 PM PST            3.47             73         +              Normal
  12/21/2025 01 PM PST            3.52             79         +              Normal
  12/21/2025 02 PM PST            3.63             91         +              Normal
  12/21/2025 03 PM PST            3.84            116         +              Normal
  12/21/2025 04 PM PST            4.21            167         +              Normal
  12/21/2025 05 PM PST            4.52            215         +              Normal
  12/21/2025 06 PM PST            4.76            256         +              Normal
  12/21/2025 07 PM PST            4.98            296         +              Normal
  12/21/2025 08 PM PST            5.16            330         +              Normal
  12/21/2025 09 PM PST            5.25            348         +              Normal
  12/21/2025 10 PM PST            5.46            391         +              Normal
  12/21/2025 11 PM PST            5.92            493         +              Normal
  12/22/2025 12 AM PST            6.66            678         +              Normal
  12/22/2025 01 AM PST            7.88           1035         +              Normal
  12/22/2025 02 AM PST            9.68           1674         +              Normal
  12/22/2025 03 AM PST           11.75           2580         +              Normal
  12/22/2025 04 AM PST           13.14           3298         +              Normal
  12/22/2025 05 AM PST           13.76           3643         +              Normal
  12/22/2025 06 AM PST           13.73           3626         -              Normal
  12/22/2025 07 AM PST           13.34           3407         -              Normal
  12/22/2025 08 AM PST           12.67           3046         -              Normal
  12/22/2025 09 AM PST           12.17           2788         -              Normal
  12/22/2025 10 AM PST           11.65           2531         -              Normal
  12/22/2025 11 AM PST           11.12           2285         -              Normal
  12/22/2025 12 PM PST           10.52           2021         -              Normal
  12/22/2025 01 PM PST            9.96           1786         -              Normal
  12/22/2025 02 PM PST            9.34           1542         -              Normal
  12/22/2025 03 PM PST            8.89           1377         -              Normal
  12/22/2025 04 PM PST            8.46           1226         -              Normal
  12/22/2025 05 PM PST            8.11           1109         -              Normal
  12/22/2025 06 PM PST            7.79           1006         -              Normal
  12/22/2025 07 PM PST            7.50            917         -              Normal
  12/22/2025 08 PM PST            7.27            848         -              Normal
  12/22/2025 09 PM PST            7.05            785         -              Normal
  12/22/2025 10 PM PST            6.84            727         -              Normal
  12/22/2025 11 PM PST            6.70            689         -              Normal
  12/23/2025 12 AM PST            6.57            654         -              Normal
  12/23/2025 01 AM PST            6.42            615         -              Normal
  12/23/2025 02 AM PST            6.31            588         -              Normal
  12/23/2025 03 AM PST            6.22            565         -              Normal
  12/23/2025 04 AM PST            6.15            548         -              Normal
  12/23/2025 05 AM PST            6.06            526         -              Normal
  12/23/2025 06 AM PST            5.96            503         -              Normal
  12/23/2025 07 AM PST            5.86            479         -              Normal
  12/23/2025 08 AM PST            5.80            466         -              Normal
  12/23/2025 09 AM PST            5.71            445         -              Normal
  12/23/2025 10 AM PST            5.65            432         -              Normal
  12/23/2025 11 AM PST            5.59            419         -              Normal
  12/23/2025 12 PM PST            5.54            408         -              Normal
  12/23/2025 01 PM PST            5.49            398         -              Normal
  12/23/2025 02 PM PST            5.44            387         -              Normal
  12/23/2025 03 PM PST            5.39            377         -              Normal
  12/23/2025 04 PM PST            5.34            366         -              Normal
  12/23/2025 05 PM PST            5.28            354         -              Normal
  12/23/2025 06 PM PST            5.25            348         -              Normal
  12/23/2025 07 PM PST            5.20            338         -              Normal
  12/23/2025 08 PM PST            5.16            330         -              Normal
  12/23/2025 09 PM PST            5.14            326         -              Normal
  12/23/2025 10 PM PST            5.09            316         -              Normal
  12/23/2025 11 PM PST            5.05            309         -              Normal
  12/24/2025 12 AM PST            5.03            305         -              Normal
  12/24/2025 01 AM PST            4.98            296         -              Normal
  12/24/2025 02 AM PST            4.96            292         -              Normal
  12/24/2025 03 AM PST            4.97            294         +              Normal
  12/24/2025 04 AM PST            4.99            297         +              Normal
  12/24/2025 05 AM PST            5.03            305         +              Normal
  12/24/2025 06 AM PST            5.11            320         +              Normal
  12/24/2025 07 AM PST            5.22            342         +              Normal
  12/24/2025 08 AM PST            5.46            391         +              Normal
  12/24/2025 09 AM PST            5.89            486         +              Normal
  12/24/2025 10 AM PST            6.25            573         +              Normal
  12/24/2025 11 AM PST            6.52            641         +              Normal
  12/24/2025 12 PM PST            6.66            678         +              Normal
  12/24/2025 01 PM PST            6.69            686         +              Normal
  12/24/2025 02 PM PST            6.70            689         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/24/2025 03 PM PST            6.70            689                        Normal
  12/24/2025 04 PM PST            6.67            681         -              Normal
  12/24/2025 05 PM PST            6.60            662         -              Normal
  12/24/2025 06 PM PST            6.50            636         -              Normal
  12/24/2025 07 PM PST            6.39            608         -              Normal
  12/24/2025 08 PM PST            6.27            578         -              Normal
  12/24/2025 09 PM PST            6.19            558         -              Normal
  12/24/2025 10 PM PST            6.14            546         -              Normal
  12/24/2025 11 PM PST            6.13            543         -              Normal
  12/25/2025 12 AM PST            6.17            553         +              Normal
  12/25/2025 01 AM PST            6.24            570         +              Normal
  12/25/2025 02 AM PST            6.34            595         +              Normal
  12/25/2025 03 AM PST            6.48            631         +              Normal
  12/25/2025 04 AM PST            6.72            694         +              Normal
  12/25/2025 05 AM PST            7.10            799         +              Normal
  12/25/2025 06 AM PST            7.63            956         +              Normal
  12/25/2025 07 AM PST            8.22           1145         +              Normal
  12/25/2025 08 AM PST            8.61           1278         +              Normal
  12/25/2025 09 AM PST            8.95           1398         +              Normal
  12/25/2025 10 AM PST            9.35           1546         +              Normal
  12/25/2025 11 AM PST            9.73           1694         +              Normal
  12/25/2025 12 PM PST           10.03           1815         +              Normal
  12/25/2025 01 PM PST           10.14           1860         +              Normal
  12/25/2025 02 PM PST           10.14           1860         0              Normal
  12/25/2025 03 PM PST           10.07           1831         -              Normal
  12/25/2025 04 PM PST            9.98           1795         -              Normal
  12/25/2025 05 PM PST            9.90           1762         -              Normal
  12/25/2025 06 PM PST            9.84           1738         -              Normal
  12/25/2025 07 PM PST            9.82           1730         -              Normal
  12/25/2025 08 PM PST            9.81           1726         -              Normal
  12/25/2025 09 PM PST            9.83           1734         +              Normal
  12/25/2025 10 PM PST            9.88           1754         +              Normal
  12/25/2025 11 PM PST           10.04           1819         +              Normal
  12/26/2025 12 AM PST           10.35           1948         +              Normal
  12/26/2025 01 AM PST           10.74           2116         +              Normal
  12/26/2025 02 AM PST           11.09           2272         +              Normal
  12/26/2025 03 AM PST           11.32           2376         +              Normal
  12/26/2025 04 AM PST           11.43           2427         +              Normal
  12/26/2025 05 AM PST           11.41           2418         -              Normal
  12/26/2025 06 AM PST           11.29           2363         -              Normal
  12/26/2025 07 AM PST           11.12           2285         -              Normal
  12/26/2025 08 AM PST           10.95           2209         -              Normal
  12/26/2025 09 AM PST           10.80           2142         -              Normal
  12/26/2025 10 AM PST           10.65           2077         -              Normal
  12/26/2025 11 AM PST           10.49           2008         -              Normal
  12/26/2025 12 PM PST           10.32           1936         -              Normal
  12/26/2025 01 PM PST           10.18           1877         -              Normal
  12/26/2025 02 PM PST           10.07           1831         -              Normal
  12/26/2025 03 PM PST            9.99           1799         -              Normal
  12/26/2025 04 PM PST            9.91           1766         -              Normal
  12/26/2025 05 PM PST            9.83           1734         -              Normal
  12/26/2025 06 PM PST            9.75           1702         -              Normal
  12/26/2025 07 PM PST            9.67           1670         -              Normal
  12/26/2025 08 PM PST            9.60           1642         -              Normal
  12/26/2025 09 PM PST            9.54           1619         -              Normal
  12/26/2025 10 PM PST            9.46           1588         -              Normal
  12/26/2025 11 PM PST            9.36           1550         -              Normal
  12/27/2025 12 AM PST            9.23           1501         -              Normal
  12/27/2025 01 AM PST            9.08           1446         -              Normal
  12/27/2025 02 AM PST            8.93           1391         -              Normal
  12/27/2025 03 AM PST            8.81           1348         -              Normal
  12/27/2025 04 AM PST            8.68           1302         -              Normal
  12/27/2025 05 AM PST            8.53           1250         -              Normal
  12/27/2025 06 AM PST            8.37           1196         -              Normal
  12/27/2025 07 AM PST            8.21           1142         -              Normal
  12/27/2025 08 AM PST            8.04           1086         -              Normal
  12/27/2025 09 AM PST            7.88           1035         -              Normal
  12/27/2025 10 AM PST            7.73            987         -              Normal
  12/27/2025 11 AM PST            7.60            947         -              Normal
  12/27/2025 12 PM PST            7.47            908         -              Normal
  12/27/2025 01 PM PST            7.34            869         -              Normal
  12/27/2025 02 PM PST            7.21            831         -              Normal
  12/27/2025 03 PM PST            7.08            794         -              Normal
  12/27/2025 04 PM PST            6.96            760         -              Normal
  12/27/2025 05 PM PST            6.86            732         -              Normal
  12/27/2025 06 PM PST            6.76            705         -              Normal
  12/27/2025 07 PM PST            6.67            681         -              Normal
  12/27/2025 08 PM PST            6.59            659         -              Normal
  12/27/2025 09 PM PST            6.52            641         -              Normal
  12/27/2025 10 PM PST            6.46            626         -              Normal
  12/27/2025 11 PM PST            6.41            613         -              Normal
  12/28/2025 12 AM PST            6.35            598         -              Normal
  12/28/2025 01 AM PST            6.30            585         -              Normal
  12/28/2025 02 AM PST            6.24            570         -              Normal
  12/28/2025 03 AM PST            6.19            558         -              Normal
  12/28/2025 04 AM PST            6.14            546         -              Normal
  12/28/2025 05 AM PST            6.09            534         -              Normal
  12/28/2025 06 AM PST            6.05            524         -              Normal
  12/28/2025 07 AM PST            6.00            512         -              Normal
  12/28/2025 08 AM PST            5.95            500         -              Normal
  12/28/2025 09 AM PST            5.91            491         -              Normal
  12/28/2025 10 AM PST            5.87            482         -              Normal
  12/28/2025 11 AM PST            5.83            473         -              Normal
  12/28/2025 12 PM PST            5.79            463         -              Normal
  12/28/2025 01 PM PST            5.75            454         -              Normal
  12/28/2025 02 PM PST            5.71            445         -              Normal
  12/28/2025 03 PM PST            5.67            437         -              Normal
  12/28/2025 04 PM PST            5.64            430         -              Normal
  12/28/2025 05 PM PST            5.61            423         -              Normal
  12/28/2025 06 PM PST            5.58            417         -              Normal
  12/28/2025 07 PM PST            5.55            410         -              Normal
  12/28/2025 08 PM PST            5.52            404         -              Normal
  12/28/2025 09 PM PST            5.49            398         -              Normal
  12/28/2025 10 PM PST            5.46            391         -              Normal
  12/28/2025 11 PM PST            5.44            387         -              Normal
  12/29/2025 12 AM PST            5.41            381         -              Normal
  12/29/2025 01 AM PST            5.39            377         -              Normal
  12/29/2025 02 AM PST            5.36            370         -              Normal
  12/29/2025 03 AM PST            5.34            366         -              Normal
  12/29/2025 04 AM PST            5.31            360         -              Normal
  12/29/2025 05 AM PST            5.29            356         -              Normal
#
# 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.