RUSSIAN RIVER - HEALDSBURG (HEAC1)
Latitude: 38.61º NLongitude: 122.84º WElevation: 77 Feet
Location: Sonoma 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: 20.0 FeetMinor Flood: 23.0 FeetModerate Flood: 27.0 FeetMajor Flood: 29.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Healdsburg (HEAC1)
#
# File Generation Time:  12/26/2025 at 01:28 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 08:00 AM PST
# Maximum Observed Stage:                       14.71 Feet
# Maximum Observed Flow:                        20791 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 02:00 PM PST
# Maximum Forecast Stage:                       10.99 Feet
# Maximum Forecast Flow:                        12523 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 01 PM PST            4.41           2723                        Normal
  12/21/2025 02 PM PST            4.62           2934         +              Normal
  12/21/2025 03 PM PST            4.92           3248         +              Normal
  12/21/2025 04 PM PST            5.28           3643         +              Normal
  12/21/2025 05 PM PST            5.76           4202         +              Normal
  12/21/2025 06 PM PST            6.43           5041         +              Normal
  12/21/2025 07 PM PST            7.39           6363         +              Normal
  12/21/2025 08 PM PST            8.59           8208         +              Normal
  12/21/2025 09 PM PST           10.02          10680         +              Normal
  12/21/2025 10 PM PST           11.33          13200         +              Normal
  12/21/2025 11 PM PST           12.14          14877         +              Normal
  12/22/2025 12 AM PST           12.64          15958         +              Normal
  12/22/2025 01 AM PST           12.93          16600         +              Normal
  12/22/2025 02 AM PST           13.13          17049         +              Normal
  12/22/2025 03 AM PST           13.40          17665         +              Normal
  12/22/2025 04 AM PST           13.79          18572         +              Normal
  12/22/2025 05 AM PST           14.22          19595         +              Normal
  12/22/2025 06 AM PST           14.48          20226         +              Normal
  12/22/2025 07 AM PST           14.65          20643         +              Normal
  12/22/2025 08 AM PST           14.71          20791         +              Normal
  12/22/2025 09 AM PST           14.69          20742         -              Normal
  12/22/2025 10 AM PST           14.63          20594         -              Normal
  12/22/2025 11 AM PST           14.47          20201         -              Normal
  12/22/2025 12 PM PST           14.28          19740         -              Normal
  12/22/2025 01 PM PST           14.04          19164         -              Normal
  12/22/2025 02 PM PST           13.80          18595         -              Normal
  12/22/2025 03 PM PST           13.53          17965         -              Normal
  12/22/2025 04 PM PST           13.23          17276         -              Normal
  12/22/2025 05 PM PST           12.94          16622         -              Normal
  12/22/2025 06 PM PST           12.64          15958         -              Normal
  12/22/2025 07 PM PST           12.34          15305         -              Normal
  12/22/2025 08 PM PST           12.12          14835         -              Normal
  12/22/2025 09 PM PST           11.84          14245         -              Normal
  12/22/2025 10 PM PST           11.63          13810         -              Normal
  12/22/2025 11 PM PST           11.42          13382         -              Normal
  12/23/2025 12 AM PST           11.19          12919         -              Normal
  12/23/2025 01 AM PST           10.91          12366         -              Normal
  12/23/2025 02 AM PST           10.61          11785         -              Normal
  12/23/2025 03 AM PST           10.24          11087         -              Normal
  12/23/2025 04 AM PST            9.86          10389         -              Normal
  12/23/2025 05 AM PST            9.51           9765         -              Normal
  12/23/2025 06 AM PST            9.15           9141         -              Normal
  12/23/2025 07 AM PST            8.83           8603         -              Normal
  12/23/2025 08 AM PST            8.55           8143         -              Normal
  12/23/2025 09 AM PST            8.28           7711         -              Normal
  12/23/2025 10 AM PST            8.05           7352         -              Normal
  12/23/2025 11 AM PST            7.81           6985         -              Normal
  12/23/2025 12 PM PST            7.65           6745         -              Normal
  12/23/2025 01 PM PST            7.45           6450         -              Normal
  12/23/2025 02 PM PST            7.32           6262         -              Normal
  12/23/2025 03 PM PST            7.19           6076         -              Normal
  12/23/2025 04 PM PST            7.10           5949         -              Normal
  12/23/2025 05 PM PST            7.00           5809         -              Normal
  12/23/2025 06 PM PST            6.93           5712         -              Normal
  12/23/2025 07 PM PST            6.87           5630         -              Normal
  12/23/2025 08 PM PST            6.81           5548         -              Normal
  12/23/2025 09 PM PST            6.73           5439         -              Normal
  12/23/2025 10 PM PST            6.67           5359         -              Normal
  12/23/2025 11 PM PST            6.64           5319         -              Normal
  12/24/2025 12 AM PST            6.60           5265         -              Normal
  12/24/2025 01 AM PST            6.60           5265         0              Normal
  12/24/2025 02 AM PST            6.64           5319         +              Normal
  12/24/2025 03 AM PST            6.74           5453         +              Normal
  12/24/2025 04 AM PST            6.90           5671         +              Normal
  12/24/2025 05 AM PST            7.13           5991         +              Normal
  12/24/2025 06 AM PST            7.50           6523         +              Normal
  12/24/2025 07 AM PST            7.94           7183         +              Normal
  12/24/2025 08 AM PST            8.29           7727         +              Normal
  12/24/2025 09 AM PST            8.62           8257         +              Normal
  12/24/2025 10 AM PST            8.96           8820         +              Normal
  12/24/2025 11 AM PST            9.37           9520         +              Normal
  12/24/2025 12 PM PST            9.86          10389         +              Normal
  12/24/2025 01 PM PST           10.44          11462         +              Normal
  12/24/2025 02 PM PST           11.01          12562         +              Normal
  12/24/2025 03 PM PST           11.59          13728         +              Normal
  12/24/2025 04 PM PST           12.03          14644         +              Normal
  12/24/2025 05 PM PST           12.34          15305         +              Normal
  12/24/2025 06 PM PST           12.50          15652         +              Normal
  12/24/2025 07 PM PST           12.54          15739         +              Normal
  12/24/2025 08 PM PST           12.48          15608         -              Normal
  12/24/2025 09 PM PST           12.31          15241         -              Normal
  12/24/2025 10 PM PST           12.10          14792         -              Normal
  12/24/2025 11 PM PST           11.86          14287         -              Normal
  12/25/2025 12 AM PST           11.69          13934         -              Normal
  12/25/2025 01 AM PST           11.50          13544         -              Normal
  12/25/2025 02 AM PST           11.32          13180         -              Normal
  12/25/2025 03 AM PST           11.19          12919         -              Normal
  12/25/2025 04 AM PST           11.08          12700         -              Normal
  12/25/2025 05 AM PST           11.19          12919         +              Normal
  12/25/2025 06 AM PST           11.42          13382         +              Normal
  12/25/2025 07 AM PST           11.67          13893         +              Normal
  12/25/2025 08 AM PST           11.78          14120         +              Normal
  12/25/2025 09 AM PST           11.73          14017         -              Normal
  12/25/2025 10 AM PST           11.62          13790         -              Normal
  12/25/2025 11 AM PST           11.53          13605         -              Normal
  12/25/2025 12 PM PST           11.53          13605         0              Normal
  12/25/2025 01 PM PST           11.63          13810         +              Normal
  12/25/2025 02 PM PST           11.75          14058         +              Normal
  12/25/2025 03 PM PST           11.90          14371         +              Normal
  12/25/2025 04 PM PST           12.03          14644         +              Normal
  12/25/2025 05 PM PST           12.03          14644         0              Normal
  12/25/2025 06 PM PST           12.04          14665         +              Normal
  12/25/2025 07 PM PST           11.96          14497         -              Normal
  12/25/2025 08 PM PST           11.93          14434         -              Normal
  12/25/2025 09 PM PST           11.93          14434         0              Normal
  12/25/2025 10 PM PST           11.89          14350         -              Normal
  12/25/2025 11 PM PST           11.89          14350         0              Normal
  12/26/2025 12 AM PST           11.87          14308         -              Normal
  12/26/2025 01 AM PST           11.83          14224         -              Normal
  12/26/2025 02 AM PST           11.77          14100         -              Normal
  12/26/2025 03 AM PST           11.71          13975         -              Normal
  12/26/2025 04 AM PST           11.66          13872         -              Normal
  12/26/2025 05 AM PST           11.61          13769         -              Normal
  12/26/2025 06 AM PST           11.60          13749         -              Normal
  12/26/2025 07 AM PST           11.62          13790         +              Normal
  12/26/2025 08 AM PST           11.59          13728         -              Normal
  12/26/2025 09 AM PST           11.57          13687         -              Normal
  12/26/2025 10 AM PST           11.52          13585         -              Normal
  12/26/2025 11 AM PST           11.43          13402         -              Normal
  12/26/2025 12 PM PST           11.28          13099         -              Normal
  12/26/2025 01 PM PST           11.13          12800         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 02 PM PST           10.99          12523                        Normal
  12/26/2025 03 PM PST           10.88          12307         -              Normal
  12/26/2025 04 PM PST           10.79          12132         -              Normal
  12/26/2025 05 PM PST           10.73          12016         -              Normal
  12/26/2025 06 PM PST           10.73          12016         0              Normal
  12/26/2025 07 PM PST           10.76          12074         +              Normal
  12/26/2025 08 PM PST           10.80          12151         +              Normal
  12/26/2025 09 PM PST           10.84          12229         +              Normal
  12/26/2025 10 PM PST           10.86          12268         +              Normal
  12/26/2025 11 PM PST           10.86          12268         0              Normal
  12/27/2025 12 AM PST           10.82          12190         -              Normal
  12/27/2025 01 AM PST           10.75          12055         -              Normal
  12/27/2025 02 AM PST           10.68          11920         -              Normal
  12/27/2025 03 AM PST           10.59          11747         -              Normal
  12/27/2025 04 AM PST           10.48          11538         -              Normal
  12/27/2025 05 AM PST           10.34          11274         -              Normal
  12/27/2025 06 AM PST           10.17          10957         -              Normal
  12/27/2025 07 AM PST            9.98          10607         -              Normal
  12/27/2025 08 AM PST            9.79          10263         -              Normal
  12/27/2025 09 AM PST            9.61           9942         -              Normal
  12/27/2025 10 AM PST            9.43           9625         -              Normal
  12/27/2025 11 AM PST            9.25           9313         -              Normal
  12/27/2025 12 PM PST            9.07           9005         -              Normal
  12/27/2025 01 PM PST            8.87           8669         -              Normal
  12/27/2025 02 PM PST            8.66           8322         -              Normal
  12/27/2025 03 PM PST            8.46           7998         -              Normal
  12/27/2025 04 PM PST            8.28           7711         -              Normal
  12/27/2025 05 PM PST            8.11           7445         -              Normal
  12/27/2025 06 PM PST            7.96           7213         -              Normal
  12/27/2025 07 PM PST            7.83           7015         -              Normal
  12/27/2025 08 PM PST            7.70           6819         -              Normal
  12/27/2025 09 PM PST            7.57           6626         -              Normal
  12/27/2025 10 PM PST            7.44           6436         -              Normal
  12/27/2025 11 PM PST            7.33           6276         -              Normal
  12/28/2025 12 AM PST            7.21           6105         -              Normal
  12/28/2025 01 AM PST            7.11           5963         -              Normal
  12/28/2025 02 AM PST            7.01           5823         -              Normal
  12/28/2025 03 AM PST            6.92           5699         -              Normal
  12/28/2025 04 AM PST            6.82           5561         -              Normal
  12/28/2025 05 AM PST            6.73           5439         -              Normal
  12/28/2025 06 AM PST            6.65           5332         -              Normal
  12/28/2025 07 AM PST            6.56           5212         -              Normal
  12/28/2025 08 AM PST            6.48           5107         -              Normal
  12/28/2025 09 AM PST            6.40           5002         -              Normal
  12/28/2025 10 AM PST            6.33           4912         -              Normal
  12/28/2025 11 AM PST            6.25           4809         -              Normal
  12/28/2025 12 PM PST            6.18           4720         -              Normal
  12/28/2025 01 PM PST            6.11           4632         -              Normal
  12/28/2025 02 PM PST            6.05           4557         -              Normal
  12/28/2025 03 PM PST            5.98           4470         -              Normal
  12/28/2025 04 PM PST            5.92           4396         -              Normal
  12/28/2025 05 PM PST            5.86           4323         -              Normal
  12/28/2025 06 PM PST            5.79           4238         -              Normal
  12/28/2025 07 PM PST            5.73           4166         -              Normal
  12/28/2025 08 PM PST            5.68           4106         -              Normal
  12/28/2025 09 PM PST            5.62           4035         -              Normal
  12/28/2025 10 PM PST            5.56           3965         -              Normal
  12/28/2025 11 PM PST            5.51           3906         -              Normal
  12/29/2025 12 AM PST            5.46           3848         -              Normal
  12/29/2025 01 AM PST            5.41           3791         -              Normal
  12/29/2025 02 AM PST            5.36           3734         -              Normal
  12/29/2025 03 AM PST            5.31           3677         -              Normal
  12/29/2025 04 AM PST            5.27           3632         -              Normal
  12/29/2025 05 AM PST            5.22           3576         -              Normal
  12/29/2025 06 AM PST            5.18           3531         -              Normal
  12/29/2025 07 AM PST            5.15           3498         -              Normal
  12/29/2025 08 AM PST            5.11           3454         -              Normal
  12/29/2025 09 AM PST            5.08           3421         -              Normal
  12/29/2025 10 AM PST            5.04           3377         -              Normal
  12/29/2025 11 AM PST            5.01           3345         -              Normal
  12/29/2025 12 PM PST            4.97           3302         -              Normal
  12/29/2025 01 PM PST            4.94           3269         -              Normal
  12/29/2025 02 PM PST            4.91           3237         -              Normal
  12/29/2025 03 PM PST            4.87           3195         -              Normal
  12/29/2025 04 PM PST            4.84           3163         -              Normal
  12/29/2025 05 PM PST            4.81           3131         -              Normal
  12/29/2025 06 PM PST            4.78           3100         -              Normal
  12/29/2025 07 PM PST            4.75           3068         -              Normal
  12/29/2025 08 PM PST            4.72           3037         -              Normal
  12/29/2025 09 PM PST            4.70           3016         -              Normal
  12/29/2025 10 PM PST            4.67           2986         -              Normal
  12/29/2025 11 PM PST            4.64           2955         -              Normal
  12/30/2025 12 AM PST            4.62           2934         -              Normal
  12/30/2025 01 AM PST            4.59           2904         -              Normal
  12/30/2025 02 AM PST            4.57           2883         -              Normal
  12/30/2025 03 AM PST            4.54           2853         -              Normal
  12/30/2025 04 AM PST            4.52           2833         -              Normal
  12/30/2025 05 AM PST            4.50           2813         -              Normal
  12/30/2025 06 AM PST            4.47           2783         -              Normal
  12/30/2025 07 AM PST            4.45           2763         -              Normal
  12/30/2025 08 AM PST            4.43           2743         -              Normal
  12/30/2025 09 AM PST            4.41           2723         -              Normal
  12/30/2025 10 AM PST            4.39           2704         -              Normal
  12/30/2025 11 AM PST            4.37           2684         -              Normal
  12/30/2025 12 PM PST            4.34           2655         -              Normal
  12/30/2025 01 PM PST            4.32           2635         -              Normal
  12/30/2025 02 PM PST            4.30           2616         -              Normal
  12/30/2025 03 PM PST            4.28           2596         -              Normal
  12/30/2025 04 PM PST            4.26           2577         -              Normal
  12/30/2025 05 PM PST            4.25           2567         -              Normal
  12/30/2025 06 PM PST            4.23           2548         -              Normal
  12/30/2025 07 PM PST            4.21           2529         -              Normal
  12/30/2025 08 PM PST            4.19           2510         -              Normal
  12/30/2025 09 PM PST            4.17           2491         -              Normal
  12/30/2025 10 PM PST            4.15           2472         -              Normal
  12/30/2025 11 PM PST            4.14           2463         -              Normal
  12/31/2025 12 AM PST            4.12           2444         -              Normal
  12/31/2025 01 AM PST            4.10           2425         -              Normal
  12/31/2025 02 AM PST            4.08           2406         -              Normal
  12/31/2025 03 AM PST            4.07           2397         -              Normal
  12/31/2025 04 AM PST            4.06           2388         -              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.