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: Jul 02 2025 at 8:23 AM PDTNext Issuance: Jul 03 2025 at 9:00 AM PDT
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:  07/02/2025 at 09:46 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/01/2025 at 04:00 PM PDT
# Maximum Observed Stage:                       1.64 Feet
# Maximum Observed Flow:                        170 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/02/2025 at 09:00 AM PDT
# Maximum Forecast Stage:                       1.60 Feet
# Maximum Forecast Flow:                        161 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/27/2025 09 AM PDT            0.41             16                        Normal
  06/27/2025 10 AM PDT            0.41             16         0              Normal
  06/27/2025 11 AM PDT            0.41             16         0              Normal
  06/27/2025 12 PM PDT            0.41             16         0              Normal
  06/27/2025 01 PM PDT            0.42             16         +              Normal
  06/27/2025 02 PM PDT            0.45             17         +              Normal
  06/27/2025 03 PM PDT            0.49             20         +              Normal
  06/27/2025 04 PM PDT            0.54             22         +              Normal
  06/27/2025 05 PM PDT            0.59             25         +              Normal
  06/27/2025 06 PM PDT            0.64             29         +              Normal
  06/27/2025 07 PM PDT            0.69             32         +              Normal
  06/27/2025 08 PM PDT            0.73             35         +              Normal
  06/27/2025 09 PM PDT            0.76             38         +              Normal
  06/27/2025 10 PM PDT            0.80             41         +              Normal
  06/27/2025 11 PM PDT            0.83             44         +              Normal
  06/28/2025 12 AM PDT            0.85             46         +              Normal
  06/28/2025 01 AM PDT            0.87             48         +              Normal
  06/28/2025 02 AM PDT            0.89             50         +              Normal
  06/28/2025 03 AM PDT            0.91             52         +              Normal
  06/28/2025 04 AM PDT            0.92             53         +              Normal
  06/28/2025 05 AM PDT            0.93             54         +              Normal
  06/28/2025 06 AM PDT            0.94             55         +              Normal
  06/28/2025 07 AM PDT            0.95             56         +              Normal
  06/28/2025 08 AM PDT            0.96             57         +              Normal
  06/28/2025 09 AM PDT            0.97             58         +              Normal
  06/28/2025 10 AM PDT            0.98             59         +              Normal
  06/28/2025 11 AM PDT            0.99             61         +              Normal
  06/28/2025 12 PM PDT            0.99             61         0              Normal
  06/28/2025 01 PM PDT            0.99             61         0              Normal
  06/28/2025 02 PM PDT            1.00             62         +              Normal
  06/28/2025 03 PM PDT            1.00             62         0              Normal
  06/28/2025 04 PM PDT            1.01             63         +              Normal
  06/28/2025 05 PM PDT            1.00             62         -              Normal
  06/28/2025 06 PM PDT            1.01             63         +              Normal
  06/28/2025 07 PM PDT            1.01             63         0              Normal
  06/28/2025 08 PM PDT            1.01             63         0              Normal
  06/28/2025 09 PM PDT            1.01             63         0              Normal
  06/28/2025 10 PM PDT            1.01             63         0              Normal
  06/28/2025 11 PM PDT            1.01             63         0              Normal
  06/29/2025 12 AM PDT            1.00             62         -              Normal
  06/29/2025 01 AM PDT            1.00             62         0              Normal
  06/29/2025 02 AM PDT            1.00             62         0              Normal
  06/29/2025 03 AM PDT            1.00             62         0              Normal
  06/29/2025 04 AM PDT            1.00             62         0              Normal
  06/29/2025 05 AM PDT            1.00             62         0              Normal
  06/29/2025 06 AM PDT            1.00             62         0              Normal
  06/29/2025 07 AM PDT            1.00             62         0              Normal
  06/29/2025 08 AM PDT            1.00             62         0              Normal
  06/29/2025 09 AM PDT            1.00             62         0              Normal
  06/29/2025 10 AM PDT            1.01             63         +              Normal
  06/29/2025 11 AM PDT            1.01             63         0              Normal
  06/29/2025 12 PM PDT            1.00             62         -              Normal
  06/29/2025 01 PM PDT            1.00             62         0              Normal
  06/29/2025 02 PM PDT            1.00             62         0              Normal
  06/29/2025 03 PM PDT            1.00             62         0              Normal
  06/29/2025 04 PM PDT            0.99             61         -              Normal
  06/29/2025 05 PM PDT            0.98             59         -              Normal
  06/29/2025 06 PM PDT            0.98             59         0              Normal
  06/29/2025 07 PM PDT            0.98             59         0              Normal
  06/29/2025 08 PM PDT            0.98             59         0              Normal
  06/29/2025 09 PM PDT            0.97             58         -              Normal
  06/29/2025 10 PM PDT            0.97             58         0              Normal
  06/29/2025 11 PM PDT            0.96             57         -              Normal
  06/30/2025 12 AM PDT            0.96             57         0              Normal
  06/30/2025 01 AM PDT            0.96             57         0              Normal
  06/30/2025 02 AM PDT            0.95             56         -              Normal
  06/30/2025 03 AM PDT            0.95             56         0              Normal
  06/30/2025 04 AM PDT            0.95             56         0              Normal
  06/30/2025 05 AM PDT            0.95             56         0              Normal
  06/30/2025 06 AM PDT            0.95             56         0              Normal
  06/30/2025 07 AM PDT            0.95             56         0              Normal
  06/30/2025 08 AM PDT            0.95             56         0              Normal
  06/30/2025 09 AM PDT            0.97             58         +              Normal
  06/30/2025 10 AM PDT            1.10             74         +              Normal
  06/30/2025 11 AM PDT            1.22             91         +              Normal
  06/30/2025 12 PM PDT            1.35            112         +              Normal
  06/30/2025 01 PM PDT            1.44            128         +              Normal
  06/30/2025 02 PM PDT            1.51            142         +              Normal
  06/30/2025 03 PM PDT            1.55            150         +              Normal
  06/30/2025 04 PM PDT            1.58            156         +              Normal
  06/30/2025 05 PM PDT            1.60            161         +              Normal
  06/30/2025 06 PM PDT            1.61            163         +              Normal
  06/30/2025 07 PM PDT            1.63            167         +              Normal
  06/30/2025 08 PM PDT            1.63            167         0              Normal
  06/30/2025 09 PM PDT            1.64            170         +              Normal
  06/30/2025 10 PM PDT            1.64            170         0              Normal
  06/30/2025 11 PM PDT            1.64            170         0              Normal
  07/01/2025 12 AM PDT            1.64            170         0              Normal
  07/01/2025 01 AM PDT            1.64            170         0              Normal
  07/01/2025 02 AM PDT            1.64            170         0              Normal
  07/01/2025 03 AM PDT            1.64            170         0              Normal
  07/01/2025 04 AM PDT            1.64            170         0              Normal
  07/01/2025 05 AM PDT            1.63            167         -              Normal
  07/01/2025 06 AM PDT            1.63            167         0              Normal
  07/01/2025 07 AM PDT            1.63            167         0              Normal
  07/01/2025 08 AM PDT            1.63            167         0              Normal
  07/01/2025 09 AM PDT            1.63            167         0              Normal
  07/01/2025 10 AM PDT            1.64            170         +              Normal
  07/01/2025 11 AM PDT            1.64            170         0              Normal
  07/01/2025 12 PM PDT            1.64            170         0              Normal
  07/01/2025 01 PM PDT            1.64            170         0              Normal
  07/01/2025 02 PM PDT            1.64            170         0              Normal
  07/01/2025 03 PM PDT            1.64            170         0              Normal
  07/01/2025 04 PM PDT            1.64            170         0              Normal
  07/01/2025 05 PM PDT            1.63            167         -              Normal
  07/01/2025 06 PM PDT            1.63            167         0              Normal
  07/01/2025 07 PM PDT            1.63            167         0              Normal
  07/01/2025 08 PM PDT            1.63            167         0              Normal
  07/01/2025 09 PM PDT            1.62            165         -              Normal
  07/01/2025 10 PM PDT            1.62            165         0              Normal
  07/01/2025 11 PM PDT            1.62            165         0              Normal
  07/02/2025 12 AM PDT            1.62            165         0              Normal
  07/02/2025 01 AM PDT            1.61            163         -              Normal
  07/02/2025 02 AM PDT            1.61            163         0              Normal
  07/02/2025 03 AM PDT            1.61            163         0              Normal
  07/02/2025 04 AM PDT            1.61            163         0              Normal
  07/02/2025 05 AM PDT            1.61            163         0              Normal
  07/02/2025 06 AM PDT            1.61            163         0              Normal
  07/02/2025 07 AM PDT            1.61            163         0              Normal
  07/02/2025 08 AM PDT            1.60            161         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/02/2025 09 AM PDT            1.60            161                        Normal
  07/02/2025 10 AM PDT            1.59            158         -              Normal
  07/02/2025 11 AM PDT            1.59            158         0              Normal
  07/02/2025 12 PM PDT            1.59            158         0              Normal
  07/02/2025 01 PM PDT            1.59            158         0              Normal
  07/02/2025 02 PM PDT            1.58            156         -              Normal
  07/02/2025 03 PM PDT            1.58            156         0              Normal
  07/02/2025 04 PM PDT            1.58            156         0              Normal
  07/02/2025 05 PM PDT            1.58            156         0              Normal
  07/02/2025 06 PM PDT            1.58            156         0              Normal
  07/02/2025 07 PM PDT            1.58            156         0              Normal
  07/02/2025 08 PM PDT            1.58            156         0              Normal
  07/02/2025 09 PM PDT            1.58            156         0              Normal
  07/02/2025 10 PM PDT            1.58            156         0              Normal
  07/02/2025 11 PM PDT            1.58            156         0              Normal
  07/03/2025 12 AM PDT            1.58            156         0              Normal
  07/03/2025 01 AM PDT            1.58            156         0              Normal
  07/03/2025 02 AM PDT            1.58            156         0              Normal
  07/03/2025 03 AM PDT            1.58            156         0              Normal
  07/03/2025 04 AM PDT            1.58            156         0              Normal
  07/03/2025 05 AM PDT            1.57            154         -              Normal
  07/03/2025 06 AM PDT            1.57            154         0              Normal
  07/03/2025 07 AM PDT            1.57            154         0              Normal
  07/03/2025 08 AM PDT            1.57            154         0              Normal
  07/03/2025 09 AM PDT            1.57            154         0              Normal
  07/03/2025 10 AM PDT            1.57            154         0              Normal
  07/03/2025 11 AM PDT            1.57            154         0              Normal
  07/03/2025 12 PM PDT            1.57            154         0              Normal
  07/03/2025 01 PM PDT            1.57            154         0              Normal
  07/03/2025 02 PM PDT            1.57            154         0              Normal
  07/03/2025 03 PM PDT            1.57            154         0              Normal
  07/03/2025 04 PM PDT            1.57            154         0              Normal
  07/03/2025 05 PM PDT            1.57            154         0              Normal
  07/03/2025 06 PM PDT            1.57            154         0              Normal
  07/03/2025 07 PM PDT            1.57            154         0              Normal
  07/03/2025 08 PM PDT            1.57            154         0              Normal
  07/03/2025 09 PM PDT            1.57            154         0              Normal
  07/03/2025 10 PM PDT            1.57            154         0              Normal
  07/03/2025 11 PM PDT            1.56            152         -              Normal
  07/04/2025 12 AM PDT            1.56            152         0              Normal
  07/04/2025 01 AM PDT            1.56            152         0              Normal
  07/04/2025 02 AM PDT            1.56            152         0              Normal
  07/04/2025 03 AM PDT            1.56            152         0              Normal
  07/04/2025 04 AM PDT            1.56            152         0              Normal
  07/04/2025 05 AM PDT            1.56            152         0              Normal
  07/04/2025 06 AM PDT            1.56            152         0              Normal
  07/04/2025 07 AM PDT            1.56            152         0              Normal
  07/04/2025 08 AM PDT            1.56            152         0              Normal
  07/04/2025 09 AM PDT            1.56            152         0              Normal
  07/04/2025 10 AM PDT            1.56            152         0              Normal
  07/04/2025 11 AM PDT            1.56            152         0              Normal
  07/04/2025 12 PM PDT            1.56            152         0              Normal
  07/04/2025 01 PM PDT            1.56            152         0              Normal
  07/04/2025 02 PM PDT            1.56            152         0              Normal
  07/04/2025 03 PM PDT            1.56            152         0              Normal
  07/04/2025 04 PM PDT            1.56            152         0              Normal
  07/04/2025 05 PM PDT            1.56            152         0              Normal
  07/04/2025 06 PM PDT            1.56            152         0              Normal
  07/04/2025 07 PM PDT            1.55            150         -              Normal
  07/04/2025 08 PM PDT            1.55            150         0              Normal
  07/04/2025 09 PM PDT            1.55            150         0              Normal
  07/04/2025 10 PM PDT            1.55            150         0              Normal
  07/04/2025 11 PM PDT            1.55            150         0              Normal
  07/05/2025 12 AM PDT            1.55            150         0              Normal
  07/05/2025 01 AM PDT            1.55            150         0              Normal
  07/05/2025 02 AM PDT            1.55            150         0              Normal
  07/05/2025 03 AM PDT            1.55            150         0              Normal
  07/05/2025 04 AM PDT            1.55            150         0              Normal
  07/05/2025 05 AM PDT            1.55            150         0              Normal
  07/05/2025 06 AM PDT            1.55            150         0              Normal
  07/05/2025 07 AM PDT            1.55            150         0              Normal
  07/05/2025 08 AM PDT            1.55            150         0              Normal
  07/05/2025 09 AM PDT            1.55            150         0              Normal
  07/05/2025 10 AM PDT            1.55            150         0              Normal
  07/05/2025 11 AM PDT            1.55            150         0              Normal
  07/05/2025 12 PM PDT            1.55            150         0              Normal
  07/05/2025 01 PM PDT            1.55            150         0              Normal
  07/05/2025 02 PM PDT            1.55            150         0              Normal
  07/05/2025 03 PM PDT            1.55            150         0              Normal
  07/05/2025 04 PM PDT            1.54            148         -              Normal
  07/05/2025 05 PM PDT            1.54            148         0              Normal
  07/05/2025 06 PM PDT            1.54            148         0              Normal
  07/05/2025 07 PM PDT            1.54            148         0              Normal
  07/05/2025 08 PM PDT            1.54            148         0              Normal
  07/05/2025 09 PM PDT            1.54            148         0              Normal
  07/05/2025 10 PM PDT            1.54            148         0              Normal
  07/05/2025 11 PM PDT            1.54            148         0              Normal
  07/06/2025 12 AM PDT            1.54            148         0              Normal
  07/06/2025 01 AM PDT            1.54            148         0              Normal
  07/06/2025 02 AM PDT            1.54            148         0              Normal
  07/06/2025 03 AM PDT            1.54            148         0              Normal
  07/06/2025 04 AM PDT            1.54            148         0              Normal
  07/06/2025 05 AM PDT            1.54            148         0              Normal
  07/06/2025 06 AM PDT            1.54            148         0              Normal
  07/06/2025 07 AM PDT            1.54            148         0              Normal
  07/06/2025 08 AM PDT            1.54            148         0              Normal
  07/06/2025 09 AM PDT            1.54            148         0              Normal
  07/06/2025 10 AM PDT            1.54            148         0              Normal
  07/06/2025 11 AM PDT            1.53            146         -              Normal
  07/06/2025 12 PM PDT            1.53            146         0              Normal
  07/06/2025 01 PM PDT            1.53            146         0              Normal
  07/06/2025 02 PM PDT            1.53            146         0              Normal
  07/06/2025 03 PM PDT            1.53            146         0              Normal
  07/06/2025 04 PM PDT            1.53            146         0              Normal
  07/06/2025 05 PM PDT            1.53            146         0              Normal
  07/06/2025 06 PM PDT            1.53            146         0              Normal
  07/06/2025 07 PM PDT            1.53            146         0              Normal
  07/06/2025 08 PM PDT            1.53            146         0              Normal
  07/06/2025 09 PM PDT            1.53            146         0              Normal
  07/06/2025 10 PM PDT            1.53            146         0              Normal
  07/06/2025 11 PM PDT            1.53            146         0              Normal
  07/07/2025 12 AM PDT            1.53            146         0              Normal
  07/07/2025 01 AM PDT            1.53            146         0              Normal
  07/07/2025 02 AM PDT            1.53            146         0              Normal
  07/07/2025 03 AM PDT            1.53            146         0              Normal
  07/07/2025 04 AM PDT            1.53            146         0              Normal
  07/07/2025 05 AM PDT            1.53            146         0              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.