RUSSIAN RIVER - HIGHWAY 1 BRIDGE NEAR JENNER (RROC1)
Latitude: 38.43º NLongitude: 123.10º WElevation: 10 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Apr 27 2026 at 7:22 AM PDTNext Issuance: Apr 28 2026 at 9:00 AM PDT
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 - Highway 1 Bridge near Jenner (RROC1)
#
# File Generation Time:  04/27/2026 at 07:23 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/23/2026 at 04:00 AM PDT
# Maximum Observed Stage:                       6.51 Feet
#
# Earliest Date & Time of Maximum Forecast:     04/27/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       4.58 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  04/22/2026 07 AM PDT            6.42                Not Applicable
  04/22/2026 08 AM PDT            6.12         -      Not Applicable
  04/22/2026 09 AM PDT            5.85         -      Not Applicable
  04/22/2026 10 AM PDT            5.58         -      Not Applicable
  04/22/2026 11 AM PDT            5.29         -      Not Applicable
  04/22/2026 12 PM PDT            4.99         -      Not Applicable
  04/22/2026 01 PM PDT            4.78         -      Not Applicable
  04/22/2026 02 PM PDT            4.61         -      Not Applicable
  04/22/2026 03 PM PDT            4.52         -      Not Applicable
  04/22/2026 04 PM PDT            4.63         +      Not Applicable
  04/22/2026 05 PM PDT            4.95         +      Not Applicable
  04/22/2026 06 PM PDT            5.16         +      Not Applicable
  04/22/2026 07 PM PDT            5.19         +      Not Applicable
  04/22/2026 08 PM PDT            5.08         -      Not Applicable
  04/22/2026 09 PM PDT            4.97         -      Not Applicable
  04/22/2026 10 PM PDT            4.89         -      Not Applicable
  04/22/2026 11 PM PDT            4.84         -      Not Applicable
  04/23/2026 12 AM PDT            4.90         +      Not Applicable
  04/23/2026 01 AM PDT            5.20         +      Not Applicable
  04/23/2026 02 AM PDT            5.73         +      Not Applicable
  04/23/2026 03 AM PDT            6.18         +      Not Applicable
  04/23/2026 04 AM PDT            6.51         +      Not Applicable
  04/23/2026 05 AM PDT            6.50         -      Not Applicable
  04/23/2026 06 AM PDT            6.31         -      Not Applicable
  04/23/2026 07 AM PDT            6.05         -      Not Applicable
  04/23/2026 08 AM PDT            5.81         -      Not Applicable
  04/23/2026 09 AM PDT            5.54         -      Not Applicable
  04/23/2026 10 AM PDT            5.26         -      Not Applicable
  04/23/2026 11 AM PDT            4.97         -      Not Applicable
  04/23/2026 12 PM PDT            4.77         -      Not Applicable
  04/23/2026 01 PM PDT            4.59         -      Not Applicable
  04/23/2026 02 PM PDT            4.41         -      Not Applicable
  04/23/2026 03 PM PDT            4.28         -      Not Applicable
  04/23/2026 04 PM PDT            4.31         +      Not Applicable
  04/23/2026 05 PM PDT            4.69         +      Not Applicable
  04/23/2026 06 PM PDT            5.12         +      Not Applicable
  04/23/2026 07 PM PDT            5.43         +      Not Applicable
  04/23/2026 08 PM PDT            5.46         +      Not Applicable
  04/23/2026 09 PM PDT            5.38         -      Not Applicable
  04/23/2026 10 PM PDT            5.22         -      Not Applicable
  04/23/2026 11 PM PDT            5.03         -      Not Applicable
  04/24/2026 12 AM PDT            4.92         -      Not Applicable
  04/24/2026 01 AM PDT            4.88         -      Not Applicable
  04/24/2026 02 AM PDT            4.96         +      Not Applicable
  04/24/2026 03 AM PDT            5.40         +      Not Applicable
  04/24/2026 04 AM PDT            5.79         +      Not Applicable
  04/24/2026 05 AM PDT            6.06         +      Not Applicable
  04/24/2026 06 AM PDT            6.19         +      Not Applicable
  04/24/2026 07 AM PDT            6.05         -      Not Applicable
  04/24/2026 08 AM PDT            5.84         -      Not Applicable
  04/24/2026 09 AM PDT            5.59         -      Not Applicable
  04/24/2026 10 AM PDT            5.30         -      Not Applicable
  04/24/2026 11 AM PDT            4.99         -      Not Applicable
  04/24/2026 12 PM PDT            4.79         -      Not Applicable
  04/24/2026 01 PM PDT            4.60         -      Not Applicable
  04/24/2026 02 PM PDT            4.39         -      Not Applicable
  04/24/2026 03 PM PDT            4.22         -      Not Applicable
  04/24/2026 04 PM PDT            4.09         -      Not Applicable
  04/24/2026 05 PM PDT            4.16         +      Not Applicable
  04/24/2026 06 PM PDT            4.72         +      Not Applicable
  04/24/2026 07 PM PDT            5.25         +      Not Applicable
  04/24/2026 08 PM PDT            5.61         +      Not Applicable
  04/24/2026 09 PM PDT            5.58         -      Not Applicable
  04/24/2026 10 PM PDT            5.47         -      Not Applicable
  04/24/2026 11 PM PDT            5.22         -      Not Applicable
  04/25/2026 12 AM PDT            4.97         -      Not Applicable
  04/25/2026 01 AM PDT            4.82         -      Not Applicable
  04/25/2026 02 AM PDT            4.68         -      Not Applicable
  04/25/2026 03 AM PDT            4.64         -      Not Applicable
  04/25/2026 04 AM PDT            4.83         +      Not Applicable
  04/25/2026 05 AM PDT            5.26         +      Not Applicable
  04/25/2026 06 AM PDT            5.67         +      Not Applicable
  04/25/2026 07 AM PDT            5.84         +      Not Applicable
  04/25/2026 08 AM PDT            5.78         -      Not Applicable
  04/25/2026 09 AM PDT            5.60         -      Not Applicable
  04/25/2026 10 AM PDT            5.35         -      Not Applicable
  04/25/2026 11 AM PDT            5.05         -      Not Applicable
  04/25/2026 12 PM PDT            4.85         -      Not Applicable
  04/25/2026 01 PM PDT            4.66         -      Not Applicable
  04/25/2026 02 PM PDT            4.48         -      Not Applicable
  04/25/2026 03 PM PDT            4.30         -      Not Applicable
  04/25/2026 04 PM PDT            4.12         -      Not Applicable
  04/25/2026 05 PM PDT            4.04         -      Not Applicable
  04/25/2026 06 PM PDT            4.34         +      Not Applicable
  04/25/2026 07 PM PDT            4.89         +      Not Applicable
  04/25/2026 08 PM PDT            5.46         +      Not Applicable
  04/25/2026 09 PM PDT            5.49         +      Not Applicable
  04/25/2026 10 PM PDT            5.52         +      Not Applicable
  04/25/2026 11 PM PDT            5.55         +      Not Applicable
  04/26/2026 12 AM PDT            5.31         -      Not Applicable
  04/26/2026 01 AM PDT            5.04         -      Not Applicable
  04/26/2026 02 AM PDT            4.86         -      Not Applicable
  04/26/2026 03 AM PDT            4.71         -      Not Applicable
  04/26/2026 04 AM PDT            4.60         -      Not Applicable
  04/26/2026 05 AM PDT            4.59         -      Not Applicable
  04/26/2026 06 AM PDT            4.88         +      Not Applicable
  04/26/2026 07 AM PDT            5.31         +      Not Applicable
  04/26/2026 08 AM PDT            5.64         +      Not Applicable
  04/26/2026 09 AM PDT            5.64         0      Not Applicable
  04/26/2026 10 AM PDT            5.49         -      Not Applicable
  04/26/2026 11 AM PDT            5.27         -      Not Applicable
  04/26/2026 12 PM PDT            5.03         -      Not Applicable
  04/26/2026 01 PM PDT            4.86         -      Not Applicable
  04/26/2026 02 PM PDT            4.71         -      Not Applicable
  04/26/2026 03 PM PDT            4.56         -      Not Applicable
  04/26/2026 04 PM PDT            4.41         -      Not Applicable
  04/26/2026 05 PM PDT            4.29         -      Not Applicable
  04/26/2026 06 PM PDT            4.25         -      Not Applicable
  04/26/2026 07 PM PDT            4.68         +      Not Applicable
  04/26/2026 08 PM PDT            5.28         +      Not Applicable
  04/26/2026 09 PM PDT            5.70         +      Not Applicable
  04/26/2026 10 PM PDT            5.89         +      Not Applicable
  04/26/2026 11 PM PDT            5.81         -      Not Applicable
  04/27/2026 12 AM PDT            5.63         -      Not Applicable
  04/27/2026 01 AM PDT            5.43         -      Not Applicable
  04/27/2026 02 AM PDT            5.21         -      Not Applicable
  04/27/2026 03 AM PDT            4.99         -      Not Applicable
  04/27/2026 04 AM PDT            4.86         -      Not Applicable
  04/27/2026 05 AM PDT            4.75         -      Not Applicable
  04/27/2026 06 AM PDT            4.69         -      Not Applicable
  04/27/2026 07 AM PDT            4.64         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  04/27/2026 08 AM PDT            4.58                Not Applicable
  04/27/2026 09 AM PDT            4.53         -      Not Applicable
  04/27/2026 10 AM PDT            4.53         0      Not Applicable
  04/27/2026 11 AM PDT            4.53         0      Not Applicable
  04/27/2026 12 PM PDT            4.53         0      Not Applicable
  04/27/2026 01 PM PDT            4.52         -      Not Applicable
  04/27/2026 02 PM PDT            4.52         0      Not Applicable
  04/27/2026 03 PM PDT            4.52         0      Not Applicable
  04/27/2026 04 PM PDT            4.52         0      Not Applicable
  04/27/2026 05 PM PDT            4.52         0      Not Applicable
  04/27/2026 06 PM PDT            4.52         0      Not Applicable
  04/27/2026 07 PM PDT            4.52         0      Not Applicable
  04/27/2026 08 PM PDT            4.52         0      Not Applicable
  04/27/2026 09 PM PDT            4.51         -      Not Applicable
  04/27/2026 10 PM PDT            4.51         0      Not Applicable
  04/27/2026 11 PM PDT            4.51         0      Not Applicable
  04/28/2026 12 AM PDT            4.51         0      Not Applicable
  04/28/2026 01 AM PDT            4.51         0      Not Applicable
  04/28/2026 02 AM PDT            4.51         0      Not Applicable
  04/28/2026 03 AM PDT            4.51         0      Not Applicable
  04/28/2026 04 AM PDT            4.50         -      Not Applicable
  04/28/2026 05 AM PDT            4.50         0      Not Applicable
  04/28/2026 06 AM PDT            4.50         0      Not Applicable
  04/28/2026 07 AM PDT            4.50         0      Not Applicable
  04/28/2026 08 AM PDT            4.50         0      Not Applicable
  04/28/2026 09 AM PDT            4.50         0      Not Applicable
  04/28/2026 10 AM PDT            4.50         0      Not Applicable
  04/28/2026 11 AM PDT            4.50         0      Not Applicable
  04/28/2026 12 PM PDT            4.50         0      Not Applicable
  04/28/2026 01 PM PDT            4.50         0      Not Applicable
  04/28/2026 02 PM PDT            4.49         -      Not Applicable
  04/28/2026 03 PM PDT            4.49         0      Not Applicable
  04/28/2026 04 PM PDT            4.49         0      Not Applicable
  04/28/2026 05 PM PDT            4.49         0      Not Applicable
  04/28/2026 06 PM PDT            4.49         0      Not Applicable
  04/28/2026 07 PM PDT            4.49         0      Not Applicable
  04/28/2026 08 PM PDT            4.49         0      Not Applicable
  04/28/2026 09 PM PDT            4.49         0      Not Applicable
  04/28/2026 10 PM PDT            4.49         0      Not Applicable
  04/28/2026 11 PM PDT            4.49         0      Not Applicable
  04/29/2026 12 AM PDT            4.49         0      Not Applicable
  04/29/2026 01 AM PDT            4.49         0      Not Applicable
  04/29/2026 02 AM PDT            4.48         -      Not Applicable
  04/29/2026 03 AM PDT            4.48         0      Not Applicable
  04/29/2026 04 AM PDT            4.48         0      Not Applicable
  04/29/2026 05 AM PDT            4.48         0      Not Applicable
  04/29/2026 06 AM PDT            4.48         0      Not Applicable
  04/29/2026 07 AM PDT            4.48         0      Not Applicable
  04/29/2026 08 AM PDT            4.48         0      Not Applicable
  04/29/2026 09 AM PDT            4.48         0      Not Applicable
  04/29/2026 10 AM PDT            4.48         0      Not Applicable
  04/29/2026 11 AM PDT            4.48         0      Not Applicable
  04/29/2026 12 PM PDT            4.48         0      Not Applicable
  04/29/2026 01 PM PDT            4.48         0      Not Applicable
  04/29/2026 02 PM PDT            4.47         -      Not Applicable
  04/29/2026 03 PM PDT            4.47         0      Not Applicable
  04/29/2026 04 PM PDT            4.47         0      Not Applicable
  04/29/2026 05 PM PDT            4.47         0      Not Applicable
  04/29/2026 06 PM PDT            4.47         0      Not Applicable
  04/29/2026 07 PM PDT            4.47         0      Not Applicable
  04/29/2026 08 PM PDT            4.47         0      Not Applicable
  04/29/2026 09 PM PDT            4.47         0      Not Applicable
  04/29/2026 10 PM PDT            4.47         0      Not Applicable
  04/29/2026 11 PM PDT            4.47         0      Not Applicable
  04/30/2026 12 AM PDT            4.47         0      Not Applicable
  04/30/2026 01 AM PDT            4.47         0      Not Applicable
  04/30/2026 02 AM PDT            4.47         0      Not Applicable
  04/30/2026 03 AM PDT            4.47         0      Not Applicable
  04/30/2026 04 AM PDT            4.46         -      Not Applicable
  04/30/2026 05 AM PDT            4.46         0      Not Applicable
  04/30/2026 06 AM PDT            4.46         0      Not Applicable
  04/30/2026 07 AM PDT            4.46         0      Not Applicable
  04/30/2026 08 AM PDT            4.46         0      Not Applicable
  04/30/2026 09 AM PDT            4.46         0      Not Applicable
  04/30/2026 10 AM PDT            4.46         0      Not Applicable
  04/30/2026 11 AM PDT            4.46         0      Not Applicable
  04/30/2026 12 PM PDT            4.46         0      Not Applicable
  04/30/2026 01 PM PDT            4.46         0      Not Applicable
  04/30/2026 02 PM PDT            4.46         0      Not Applicable
  04/30/2026 03 PM PDT            4.46         0      Not Applicable
  04/30/2026 04 PM PDT            4.46         0      Not Applicable
  04/30/2026 05 PM PDT            4.46         0      Not Applicable
  04/30/2026 06 PM PDT            4.46         0      Not Applicable
  04/30/2026 07 PM PDT            4.45         -      Not Applicable
  04/30/2026 08 PM PDT            4.45         0      Not Applicable
  04/30/2026 09 PM PDT            4.45         0      Not Applicable
  04/30/2026 10 PM PDT            4.45         0      Not Applicable
  04/30/2026 11 PM PDT            4.45         0      Not Applicable
  05/01/2026 12 AM PDT            4.45         0      Not Applicable
  05/01/2026 01 AM PDT            4.45         0      Not Applicable
  05/01/2026 02 AM PDT            4.45         0      Not Applicable
  05/01/2026 03 AM PDT            4.45         0      Not Applicable
  05/01/2026 04 AM PDT            4.45         0      Not Applicable
  05/01/2026 05 AM PDT            4.45         0      Not Applicable
  05/01/2026 06 AM PDT            4.45         0      Not Applicable
  05/01/2026 07 AM PDT            4.45         0      Not Applicable
  05/01/2026 08 AM PDT            4.45         0      Not Applicable
  05/01/2026 09 AM PDT            4.45         0      Not Applicable
  05/01/2026 10 AM PDT            4.45         0      Not Applicable
  05/01/2026 11 AM PDT            4.45         0      Not Applicable
  05/01/2026 12 PM PDT            4.44         -      Not Applicable
  05/01/2026 01 PM PDT            4.44         0      Not Applicable
  05/01/2026 02 PM PDT            4.44         0      Not Applicable
  05/01/2026 03 PM PDT            4.44         0      Not Applicable
  05/01/2026 04 PM PDT            4.44         0      Not Applicable
  05/01/2026 05 PM PDT            4.44         0      Not Applicable
  05/01/2026 06 PM PDT            4.44         0      Not Applicable
  05/01/2026 07 PM PDT            4.44         0      Not Applicable
  05/01/2026 08 PM PDT            4.44         0      Not Applicable
  05/01/2026 09 PM PDT            4.44         0      Not Applicable
  05/01/2026 10 PM PDT            4.44         0      Not Applicable
  05/01/2026 11 PM PDT            4.44         0      Not Applicable
  05/02/2026 12 AM PDT            4.44         0      Not Applicable
  05/02/2026 01 AM PDT            4.44         0      Not Applicable
  05/02/2026 02 AM PDT            4.44         0      Not Applicable
  05/02/2026 03 AM PDT            4.44         0      Not Applicable
  05/02/2026 04 AM PDT            4.44         0      Not Applicable
  05/02/2026 05 AM PDT            4.44         0      Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Trends are determined using hourly change in unrounded stage.
# NOTE 3: Maximum Values are determined using unrounded stage.