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 - HOPLAND (HOPC1)
Latitude: 39.03º NLongitude: 123.13º WElevation: 498 Feet
Location: Mendocino County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Feb 08 2025 at 8:27 AM PSTNext Issuance: Feb 09 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: 15.0 FeetModerate Flood: 23.0 FeetMajor Flood: 26.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hopland (HOPC1)
#
# File Generation Time:  02/08/2025 at 08:27 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/05/2025 at 01:00 AM PST
# Maximum Observed Stage:                       19.25 Feet
# Maximum Observed Flow:                        12729 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/13/2025 at 04:00 AM PST
# Maximum Forecast Stage:                       13.33 Feet
# Maximum Forecast Flow:                        5068 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/03/2025 08 AM PST            7.33           1859                        Normal
  02/03/2025 09 AM PST            7.33           1859         0              Normal
  02/03/2025 10 AM PST            7.39           1882         +              Normal
  02/03/2025 11 AM PST            7.48           1917         +              Normal
  02/03/2025 12 PM PST            7.56           1949         +              Normal
  02/03/2025 01 PM PST            7.56           1949         0              Normal
  02/03/2025 02 PM PST            7.53           1937         -              Normal
  02/03/2025 03 PM PST            7.51           1929         -              Normal
  02/03/2025 04 PM PST            7.49           1921         -              Normal
  02/03/2025 05 PM PST            7.51           1929         +              Normal
  02/03/2025 06 PM PST            7.59           1961         +              Normal
  02/03/2025 07 PM PST            7.82           2054         +              Normal
  02/03/2025 08 PM PST            8.19           2207         +              Normal
  02/03/2025 09 PM PST            8.74           2445         +              Normal
  02/03/2025 10 PM PST            9.53           2808         +              Normal
  02/03/2025 11 PM PST           10.52           3279         +              Normal
  02/04/2025 12 AM PST           11.57           3921         +              Normal
  02/04/2025 01 AM PST           12.64           4479         +              Normal
  02/04/2025 02 AM PST           13.73           5475         +              Normal
  02/04/2025 03 AM PST           14.47           6279         +              Normal
  02/04/2025 04 AM PST           15.12           7043         +         Minor Flood
  02/04/2025 05 AM PST           15.53           7554         +         Minor Flood
  02/04/2025 06 AM PST           15.77           7863         +         Minor Flood
  02/04/2025 07 AM PST           16.04           8220         +         Minor Flood
  02/04/2025 08 AM PST           16.13           8342         +         Minor Flood
  02/04/2025 09 AM PST           16.24           8491         +         Minor Flood
  02/04/2025 10 AM PST           16.22           8464         -         Minor Flood
  02/04/2025 11 AM PST           16.30           8574         +         Minor Flood
  02/04/2025 12 PM PST           16.49           8838         +         Minor Flood
  02/04/2025 01 PM PST           16.67           9093         +         Minor Flood
  02/04/2025 02 PM PST           17.00           9573         +         Minor Flood
  02/04/2025 03 PM PST           17.50          10226         +         Minor Flood
  02/04/2025 04 PM PST           18.00          10906         +         Minor Flood
  02/04/2025 05 PM PST           18.37          11427         +         Minor Flood
  02/04/2025 06 PM PST           18.50          11614         +         Minor Flood
  02/04/2025 07 PM PST           18.56          11701         +         Minor Flood
  02/04/2025 08 PM PST           18.62          11788         +         Minor Flood
  02/04/2025 09 PM PST           18.71          11920         +         Minor Flood
  02/04/2025 10 PM PST           18.85          12126         +         Minor Flood
  02/04/2025 11 PM PST           19.12          12531         +         Minor Flood
  02/05/2025 12 AM PST           19.19          12637         +         Minor Flood
  02/05/2025 01 AM PST           19.25          12729         +         Minor Flood
  02/05/2025 02 AM PST           19.23          12698         -         Minor Flood
  02/05/2025 03 AM PST           18.95          12275         -         Minor Flood
  02/05/2025 04 AM PST           18.36          11413         -         Minor Flood
  02/05/2025 05 AM PST           17.45          10159         -         Minor Flood
  02/05/2025 06 AM PST           16.34           8629         -         Minor Flood
  02/05/2025 07 AM PST           15.23           7178         -         Minor Flood
  02/05/2025 08 AM PST           14.35           6144         -              Normal
  02/05/2025 09 AM PST           13.71           5454         -              Normal
  02/05/2025 10 AM PST           13.16           4901         -              Normal
  02/05/2025 11 AM PST           12.63           4474         -              Normal
  02/05/2025 12 PM PST           12.24           4267         -              Normal
  02/05/2025 01 PM PST           11.90           4090         -              Normal
  02/05/2025 02 PM PST           11.57           3921         -              Normal
  02/05/2025 03 PM PST           11.28           3774         -              Normal
  02/05/2025 04 PM PST           11.03           3609         -              Normal
  02/05/2025 05 PM PST           10.80           3458         -              Normal
  02/05/2025 06 PM PST           10.55           3298         -              Normal
  02/05/2025 07 PM PST           10.33           3184         -              Normal
  02/05/2025 08 PM PST           10.14           3094         -              Normal
  02/05/2025 09 PM PST            9.93           2995         -              Normal
  02/05/2025 10 PM PST            9.76           2917         -              Normal
  02/05/2025 11 PM PST            9.61           2846         -              Normal
  02/06/2025 12 AM PST            9.44           2765         -              Normal
  02/06/2025 01 AM PST            9.28           2690         -              Normal
  02/06/2025 02 AM PST            9.16           2635         -              Normal
  02/06/2025 03 AM PST            9.00           2562         -              Normal
  02/06/2025 04 AM PST            8.89           2512         -              Normal
  02/06/2025 05 AM PST            8.74           2445         -              Normal
  02/06/2025 06 AM PST            8.61           2388         -              Normal
  02/06/2025 07 AM PST            8.47           2327         -              Normal
  02/06/2025 08 AM PST            8.38           2288         -              Normal
  02/06/2025 09 AM PST            8.29           2250         -              Normal
  02/06/2025 10 AM PST            8.19           2207         -              Normal
  02/06/2025 11 AM PST            8.12           2178         -              Normal
  02/06/2025 12 PM PST            8.15           2191         +              Normal
  02/06/2025 01 PM PST            8.30           2254         +              Normal
  02/06/2025 02 PM PST            8.51           2344         +              Normal
  02/06/2025 03 PM PST            8.75           2450         +              Normal
  02/06/2025 04 PM PST            9.16           2635         +              Normal
  02/06/2025 05 PM PST            9.86           2963         +              Normal
  02/06/2025 06 PM PST           10.70           3394         +              Normal
  02/06/2025 07 PM PST           11.61           3941         +              Normal
  02/06/2025 08 PM PST           12.38           4341         +              Normal
  02/06/2025 09 PM PST           12.95           4700         +              Normal
  02/06/2025 10 PM PST           13.23           4970         +              Normal
  02/06/2025 11 PM PST           13.34           5078         +              Normal
  02/07/2025 12 AM PST           13.34           5078         0              Normal
  02/07/2025 01 AM PST           13.16           4901         -              Normal
  02/07/2025 02 AM PST           13.00           4748         -              Normal
  02/07/2025 03 AM PST           12.74           4533         -              Normal
  02/07/2025 04 AM PST           12.44           4373         -              Normal
  02/07/2025 05 AM PST           12.04           4163         -              Normal
  02/07/2025 06 AM PST           11.67           3972         -              Normal
  02/07/2025 07 AM PST           11.29           3779         -              Normal
  02/07/2025 08 AM PST           10.96           3563         -              Normal
  02/07/2025 09 AM PST           10.67           3374         -              Normal
  02/07/2025 10 AM PST           10.39           3213         -              Normal
  02/07/2025 11 AM PST           10.13           3089         -              Normal
  02/07/2025 12 PM PST            9.93           2995         -              Normal
  02/07/2025 01 PM PST            9.69           2884         -              Normal
  02/07/2025 02 PM PST            9.52           2803         -              Normal
  02/07/2025 03 PM PST            9.38           2737         -              Normal
  02/07/2025 04 PM PST            9.24           2672         -              Normal
  02/07/2025 05 PM PST            9.11           2612         -              Normal
  02/07/2025 06 PM PST            9.15           2630         +              Normal
  02/07/2025 07 PM PST            9.48           2784         +              Normal
  02/07/2025 08 PM PST           10.05           3051         +              Normal
  02/07/2025 09 PM PST           10.60           3330         +              Normal
  02/07/2025 10 PM PST           11.07           3636         +              Normal
  02/07/2025 11 PM PST           11.39           3829         +              Normal
  02/08/2025 12 AM PST           11.54           3905         +              Normal
  02/08/2025 01 AM PST           11.61           3941         +              Normal
  02/08/2025 02 AM PST           11.57           3921         -              Normal
  02/08/2025 03 AM PST           11.54           3905         -              Normal
  02/08/2025 04 AM PST           11.50           3885         -              Normal
  02/08/2025 05 AM PST           11.44           3855         -              Normal
  02/08/2025 06 AM PST           11.51           3890         +              Normal
  02/08/2025 07 AM PST           11.59           3931         +              Normal
  02/08/2025 08 AM PST           11.68           3977         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/08/2025 09 AM PST           11.77           4023                        Normal
  02/08/2025 10 AM PST           11.86           4070         +              Normal
  02/08/2025 11 AM PST           11.94           4111         +              Normal
  02/08/2025 12 PM PST           11.87           4075         -              Normal
  02/08/2025 01 PM PST           11.80           4039         -              Normal
  02/08/2025 02 PM PST           11.72           3997         -              Normal
  02/08/2025 03 PM PST           11.65           3962         -              Normal
  02/08/2025 04 PM PST           11.58           3926         -              Normal
  02/08/2025 05 PM PST           11.53           3900         -              Normal
  02/08/2025 06 PM PST           11.48           3875         -              Normal
  02/08/2025 07 PM PST           11.44           3855         -              Normal
  02/08/2025 08 PM PST           11.40           3834         -              Normal
  02/08/2025 09 PM PST           11.36           3814         -              Normal
  02/08/2025 10 PM PST           11.32           3794         -              Normal
  02/08/2025 11 PM PST           11.29           3779         -              Normal
  02/09/2025 12 AM PST           11.26           3763         -              Normal
  02/09/2025 01 AM PST           11.23           3743         -              Normal
  02/09/2025 02 AM PST           11.21           3730         -              Normal
  02/09/2025 03 AM PST           11.18           3709         -              Normal
  02/09/2025 04 AM PST           11.16           3696         -              Normal
  02/09/2025 05 AM PST           11.14           3682         -              Normal
  02/09/2025 06 AM PST           11.12           3669         -              Normal
  02/09/2025 07 AM PST           11.10           3656         -              Normal
  02/09/2025 08 AM PST           11.08           3642         -              Normal
  02/09/2025 09 AM PST           11.06           3629         -              Normal
  02/09/2025 10 AM PST           11.05           3622         -              Normal
  02/09/2025 11 AM PST           11.03           3609         -              Normal
  02/09/2025 12 PM PST           11.01           3596         -              Normal
  02/09/2025 01 PM PST           11.00           3589         -              Normal
  02/09/2025 02 PM PST           10.98           3576         -              Normal
  02/09/2025 03 PM PST           10.97           3569         -              Normal
  02/09/2025 04 PM PST           10.95           3556         -              Normal
  02/09/2025 05 PM PST           10.94           3550         -              Normal
  02/09/2025 06 PM PST           10.92           3536         -              Normal
  02/09/2025 07 PM PST           10.91           3530         -              Normal
  02/09/2025 08 PM PST           10.89           3517         -              Normal
  02/09/2025 09 PM PST           10.88           3510         -              Normal
  02/09/2025 10 PM PST           10.87           3504         -              Normal
  02/09/2025 11 PM PST           10.85           3491         -              Normal
  02/10/2025 12 AM PST           10.84           3484         -              Normal
  02/10/2025 01 AM PST           10.83           3478         -              Normal
  02/10/2025 02 AM PST           10.81           3465         -              Normal
  02/10/2025 03 AM PST           10.80           3458         -              Normal
  02/10/2025 04 AM PST           10.79           3452         -              Normal
  02/10/2025 05 AM PST           10.78           3445         -              Normal
  02/10/2025 06 AM PST           10.77           3439         -              Normal
  02/10/2025 07 AM PST           10.76           3432         -              Normal
  02/10/2025 08 AM PST           10.74           3419         -              Normal
  02/10/2025 09 AM PST           10.73           3413         -              Normal
  02/10/2025 10 AM PST           10.72           3406         -              Normal
  02/10/2025 11 AM PST           10.71           3400         -              Normal
  02/10/2025 12 PM PST           10.70           3394         -              Normal
  02/10/2025 01 PM PST           10.69           3387         -              Normal
  02/10/2025 02 PM PST           10.68           3381         -              Normal
  02/10/2025 03 PM PST           10.67           3374         -              Normal
  02/10/2025 04 PM PST           10.66           3368         -              Normal
  02/10/2025 05 PM PST           10.65           3361         -              Normal
  02/10/2025 06 PM PST           10.64           3355         -              Normal
  02/10/2025 07 PM PST           10.63           3349         -              Normal
  02/10/2025 08 PM PST           10.62           3342         -              Normal
  02/10/2025 09 PM PST           10.61           3336         -              Normal
  02/10/2025 10 PM PST           10.60           3330         -              Normal
  02/10/2025 11 PM PST           10.59           3323         -              Normal
  02/11/2025 12 AM PST           10.58           3317         -              Normal
  02/11/2025 01 AM PST           10.58           3317         0              Normal
  02/11/2025 02 AM PST           10.57           3311         -              Normal
  02/11/2025 03 AM PST           10.56           3304         -              Normal
  02/11/2025 04 AM PST           10.55           3298         -              Normal
  02/11/2025 05 AM PST           10.54           3292         -              Normal
  02/11/2025 06 AM PST           10.53           3285         -              Normal
  02/11/2025 07 AM PST           10.52           3279         -              Normal
  02/11/2025 08 AM PST           10.52           3279         0              Normal
  02/11/2025 09 AM PST           10.51           3273         -              Normal
  02/11/2025 10 AM PST           10.50           3266         -              Normal
  02/11/2025 11 AM PST           10.49           3261         -              Normal
  02/11/2025 12 PM PST           10.48           3257         -              Normal
  02/11/2025 01 PM PST           10.47           3252         -              Normal
  02/11/2025 02 PM PST           10.46           3247         -              Normal
  02/11/2025 03 PM PST           10.45           3242         -              Normal
  02/11/2025 04 PM PST           10.44           3237         -              Normal
  02/11/2025 05 PM PST           10.43           3232         -              Normal
  02/11/2025 06 PM PST           10.42           3228         -              Normal
  02/11/2025 07 PM PST           10.41           3223         -              Normal
  02/11/2025 08 PM PST           10.40           3218         -              Normal
  02/11/2025 09 PM PST           10.39           3213         -              Normal
  02/11/2025 10 PM PST           10.38           3208         -              Normal
  02/11/2025 11 PM PST           10.37           3203         -              Normal
  02/12/2025 12 AM PST           10.36           3199         -              Normal
  02/12/2025 01 AM PST           10.35           3194         -              Normal
  02/12/2025 02 AM PST           10.35           3194         0              Normal
  02/12/2025 03 AM PST           10.34           3189         -              Normal
  02/12/2025 04 AM PST           10.33           3184         -              Normal
  02/12/2025 05 AM PST           10.32           3179         -              Normal
  02/12/2025 06 AM PST           10.31           3175         -              Normal
  02/12/2025 07 AM PST           10.31           3175         0              Normal
  02/12/2025 08 AM PST           10.30           3170         -              Normal
  02/12/2025 09 AM PST           10.29           3165         -              Normal
  02/12/2025 10 AM PST           10.29           3165         0              Normal
  02/12/2025 11 AM PST           10.28           3160         -              Normal
  02/12/2025 12 PM PST           10.28           3160         0              Normal
  02/12/2025 01 PM PST           10.28           3160         0              Normal
  02/12/2025 02 PM PST           10.27           3156         -              Normal
  02/12/2025 03 PM PST           10.27           3156         0              Normal
  02/12/2025 04 PM PST           10.26           3151         -              Normal
  02/12/2025 05 PM PST           10.26           3151         0              Normal
  02/12/2025 06 PM PST           10.26           3151         0              Normal
  02/12/2025 07 PM PST           10.26           3151         0              Normal
  02/12/2025 08 PM PST           10.26           3151         0              Normal
  02/12/2025 09 PM PST           10.33           3184         +              Normal
  02/12/2025 10 PM PST           10.53           3285         +              Normal
  02/12/2025 11 PM PST           10.79           3452         +              Normal
  02/13/2025 12 AM PST           11.13           3676         +              Normal
  02/13/2025 01 AM PST           11.75           4013         +              Normal
  02/13/2025 02 AM PST           12.39           4346         +              Normal
  02/13/2025 03 AM PST           12.95           4700         +              Normal
  02/13/2025 04 AM PST           13.33           5068         +              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.