RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
Latitude: 38.51º NLongitude: 122.93º WElevation: 20 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Mar 11 2026 at 12:51 PM PDTNext Issuance: Mar 12 2026 at 9:00 AM PDT
Action/Monitor: 31.0 FeetMinor Flood: 34.0 FeetModerate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hacienda Bridge (RIOC1)
#
# File Generation Time:  03/11/2026 at 12:53 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/06/2026 at 12:00 PM PST
# Maximum Observed Stage:                       9.21 Feet
# Maximum Observed Flow:                        3018 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/11/2026 at 01:00 PM PDT
# Maximum Forecast Stage:                       6.97 Feet
# Maximum Forecast Flow:                        1786 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/06/2026 11 AM PST            9.19           3006                        Normal
  03/06/2026 12 PM PST            9.21           3018         +              Normal
  03/06/2026 01 PM PST            9.17           2994         -              Normal
  03/06/2026 02 PM PST            9.15           2982         -              Normal
  03/06/2026 03 PM PST            9.12           2963         -              Normal
  03/06/2026 04 PM PST            9.10           2951         -              Normal
  03/06/2026 05 PM PST            9.11           2957         +              Normal
  03/06/2026 06 PM PST            9.07           2933         -              Normal
  03/06/2026 07 PM PST            9.07           2933         0              Normal
  03/06/2026 08 PM PST            9.05           2920         -              Normal
  03/06/2026 09 PM PST            9.03           2908         -              Normal
  03/06/2026 10 PM PST            9.02           2902         -              Normal
  03/06/2026 11 PM PST            9.01           2896         -              Normal
  03/07/2026 12 AM PST            8.98           2878         -              Normal
  03/07/2026 01 AM PST            8.98           2878         0              Normal
  03/07/2026 02 AM PST            8.97           2872         -              Normal
  03/07/2026 03 AM PST            8.95           2860         -              Normal
  03/07/2026 04 AM PST            8.95           2860         0              Normal
  03/07/2026 05 AM PST            8.93           2848         -              Normal
  03/07/2026 06 AM PST            8.91           2836         -              Normal
  03/07/2026 07 AM PST            8.90           2830         -              Normal
  03/07/2026 08 AM PST            8.89           2824         -              Normal
  03/07/2026 09 AM PST            8.87           2812         -              Normal
  03/07/2026 10 AM PST            8.85           2800         -              Normal
  03/07/2026 11 AM PST            8.84           2794         -              Normal
  03/07/2026 12 PM PST            8.82           2782         -              Normal
  03/07/2026 01 PM PST            8.79           2764         -              Normal
  03/07/2026 02 PM PST            8.77           2753         -              Normal
  03/07/2026 03 PM PST            8.75           2741         -              Normal
  03/07/2026 04 PM PST            8.72           2723         -              Normal
  03/07/2026 05 PM PST            8.71           2717         -              Normal
  03/07/2026 06 PM PST            8.69           2705         -              Normal
  03/07/2026 07 PM PST            8.67           2694         -              Normal
  03/07/2026 08 PM PST            8.64           2676         -              Normal
  03/07/2026 09 PM PST            8.63           2670         -              Normal
  03/07/2026 10 PM PST            8.61           2659         -              Normal
  03/07/2026 11 PM PST            8.59           2647         -              Normal
  03/08/2026 12 AM PST            8.58           2641         -              Normal
  03/08/2026 01 AM PST            8.57           2635         -              Normal
  03/08/2026 03 AM PDT            8.53           2612         -              Normal
  03/08/2026 04 AM PDT            8.54           2618         +              Normal
  03/08/2026 05 AM PDT            8.51           2601         -              Normal
  03/08/2026 06 AM PDT            8.49           2589         -              Normal
  03/08/2026 07 AM PDT            8.47           2578         -              Normal
  03/08/2026 08 AM PDT            8.45           2566         -              Normal
  03/08/2026 09 AM PDT            8.45           2566         0              Normal
  03/08/2026 10 AM PDT            8.44           2561         -              Normal
  03/08/2026 11 AM PDT            8.41           2544         -              Normal
  03/08/2026 12 PM PDT            8.41           2544         0              Normal
  03/08/2026 01 PM PDT            8.38           2526         -              Normal
  03/08/2026 02 PM PDT            8.38           2526         0              Normal
  03/08/2026 03 PM PDT            8.37           2521         -              Normal
  03/08/2026 04 PM PDT            8.35           2509         -              Normal
  03/08/2026 05 PM PDT            8.33           2498         -              Normal
  03/08/2026 06 PM PDT            8.32           2492         -              Normal
  03/08/2026 07 PM PDT            8.32           2492         0              Normal
  03/08/2026 08 PM PDT            8.30           2481         -              Normal
  03/08/2026 09 PM PDT            8.30           2481         0              Normal
  03/08/2026 10 PM PDT            8.28           2470         -              Normal
  03/08/2026 11 PM PDT            8.26           2459         -              Normal
  03/09/2026 12 AM PDT            8.26           2459         0              Normal
  03/09/2026 01 AM PDT            8.24           2448         -              Normal
  03/09/2026 02 AM PDT            8.23           2442         -              Normal
  03/09/2026 03 AM PDT            8.22           2436         -              Normal
  03/09/2026 04 AM PDT            8.21           2431         -              Normal
  03/09/2026 05 AM PDT            8.20           2425         -              Normal
  03/09/2026 06 AM PDT            8.19           2420         -              Normal
  03/09/2026 07 AM PDT            8.18           2414         -              Normal
  03/09/2026 08 AM PDT            8.18           2414         0              Normal
  03/09/2026 09 AM PDT            8.17           2409         -              Normal
  03/09/2026 10 AM PDT            8.16           2403         -              Normal
  03/09/2026 11 AM PDT            8.14           2392         -              Normal
  03/09/2026 12 PM PDT            8.12           2381         -              Normal
  03/09/2026 01 PM PDT            8.12           2381         0              Normal
  03/09/2026 02 PM PDT            8.11           2375         -              Normal
  03/09/2026 03 PM PDT            8.10           2370         -              Normal
  03/09/2026 04 PM PDT            8.08           2359         -              Normal
  03/09/2026 05 PM PDT            8.07           2353         -              Normal
  03/09/2026 06 PM PDT            8.06           2348         -              Normal
  03/09/2026 07 PM PDT            8.05           2342         -              Normal
  03/09/2026 08 PM PDT            8.02           2326         -              Normal
  03/09/2026 09 PM PDT            8.02           2326         0              Normal
  03/09/2026 10 PM PDT            8.01           2320         -              Normal
  03/09/2026 11 PM PDT            8.00           2315         -              Normal
  03/10/2026 12 AM PDT            7.98           2304         -              Normal
  03/10/2026 01 AM PDT            7.98           2304         0              Normal
  03/10/2026 02 AM PDT            7.95           2288         -              Normal
  03/10/2026 03 AM PDT            7.94           2282         -              Normal
  03/10/2026 04 AM PDT            7.93           2277         -              Normal
  03/10/2026 05 AM PDT            7.93           2277         0              Normal
  03/10/2026 06 AM PDT            7.92           2272         -              Normal
  03/10/2026 07 AM PDT            7.91           2266         -              Normal
  03/10/2026 08 AM PDT            7.91           2266         0              Normal
  03/10/2026 09 AM PDT            7.87           2245         -              Normal
  03/10/2026 10 AM PDT            7.87           2245         0              Normal
  03/10/2026 11 AM PDT            7.86           2239         -              Normal
  03/10/2026 12 PM PDT            7.85           2234         -              Normal
  03/10/2026 01 PM PDT            7.84           2228         -              Normal
  03/10/2026 02 PM PDT            7.82           2218         -              Normal
  03/10/2026 03 PM PDT            7.81           2212         -              Normal
  03/10/2026 04 PM PDT            7.80           2207         -              Normal
  03/10/2026 05 PM PDT            7.79           2202         -              Normal
  03/10/2026 06 PM PDT            7.76           2186         -              Normal
  03/10/2026 07 PM PDT            7.72           2165         -              Normal
  03/10/2026 08 PM PDT            7.69           2149         -              Normal
  03/10/2026 09 PM PDT            7.63           2117         -              Normal
  03/10/2026 10 PM PDT            7.57           2086         -              Normal
  03/10/2026 11 PM PDT            7.51           2055         -              Normal
  03/11/2026 12 AM PDT            7.44           2019         -              Normal
  03/11/2026 01 AM PDT            7.39           1994         -              Normal
  03/11/2026 02 AM PDT            7.35           1973         -              Normal
  03/11/2026 03 AM PDT            7.30           1948         -              Normal
  03/11/2026 04 AM PDT            7.26           1928         -              Normal
  03/11/2026 05 AM PDT            7.22           1908         -              Normal
  03/11/2026 06 AM PDT            7.19           1893         -              Normal
  03/11/2026 07 AM PDT            7.16           1878         -              Normal
  03/11/2026 08 AM PDT            7.11           1854         -              Normal
  03/11/2026 09 AM PDT            7.10           1849         -              Normal
  03/11/2026 10 AM PDT            7.07           1834         -              Normal
  03/11/2026 11 AM PDT            7.04           1819         -              Normal
  03/11/2026 12 PM PDT            7.00           1800         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/11/2026 01 PM PDT            6.97           1786                        Normal
  03/11/2026 02 PM PDT            6.95           1776         -              Normal
  03/11/2026 03 PM PDT            6.92           1761         -              Normal
  03/11/2026 04 PM PDT            6.89           1747         -              Normal
  03/11/2026 05 PM PDT            6.87           1738         -              Normal
  03/11/2026 06 PM PDT            6.84           1723         -              Normal
  03/11/2026 07 PM PDT            6.82           1714         -              Normal
  03/11/2026 08 PM PDT            6.80           1704         -              Normal
  03/11/2026 09 PM PDT            6.78           1695         -              Normal
  03/11/2026 10 PM PDT            6.76           1686         -              Normal
  03/11/2026 11 PM PDT            6.74           1676         -              Normal
  03/12/2026 12 AM PDT            6.73           1671         -              Normal
  03/12/2026 01 AM PDT            6.71           1662         -              Normal
  03/12/2026 02 AM PDT            6.70           1657         -              Normal
  03/12/2026 03 AM PDT            6.68           1648         -              Normal
  03/12/2026 04 AM PDT            6.67           1643         -              Normal
  03/12/2026 05 AM PDT            6.65           1634         -              Normal
  03/12/2026 06 AM PDT            6.64           1630         -              Normal
  03/12/2026 07 AM PDT            6.63           1625         -              Normal
  03/12/2026 08 AM PDT            6.62           1620         -              Normal
  03/12/2026 09 AM PDT            6.61           1616         -              Normal
  03/12/2026 10 AM PDT            6.60           1611         -              Normal
  03/12/2026 11 AM PDT            6.59           1607         -              Normal
  03/12/2026 12 PM PDT            6.58           1602         -              Normal
  03/12/2026 01 PM PDT            6.57           1597         -              Normal
  03/12/2026 02 PM PDT            6.56           1593         -              Normal
  03/12/2026 03 PM PDT            6.55           1588         -              Normal
  03/12/2026 04 PM PDT            6.54           1584         -              Normal
  03/12/2026 05 PM PDT            6.53           1579         -              Normal
  03/12/2026 06 PM PDT            6.52           1575         -              Normal
  03/12/2026 07 PM PDT            6.51           1570         -              Normal
  03/12/2026 08 PM PDT            6.50           1565         -              Normal
  03/12/2026 09 PM PDT            6.50           1565         0              Normal
  03/12/2026 10 PM PDT            6.49           1561         -              Normal
  03/12/2026 11 PM PDT            6.48           1556         -              Normal
  03/13/2026 12 AM PDT            6.47           1552         -              Normal
  03/13/2026 01 AM PDT            6.46           1547         -              Normal
  03/13/2026 02 AM PDT            6.45           1543         -              Normal
  03/13/2026 03 AM PDT            6.45           1543         0              Normal
  03/13/2026 04 AM PDT            6.44           1538         -              Normal
  03/13/2026 05 AM PDT            6.43           1534         -              Normal
  03/13/2026 06 AM PDT            6.42           1529         -              Normal
  03/13/2026 07 AM PDT            6.41           1525         -              Normal
  03/13/2026 08 AM PDT            6.40           1520         -              Normal
  03/13/2026 09 AM PDT            6.40           1520         0              Normal
  03/13/2026 10 AM PDT            6.39           1516         -              Normal
  03/13/2026 11 AM PDT            6.38           1511         -              Normal
  03/13/2026 12 PM PDT            6.37           1507         -              Normal
  03/13/2026 01 PM PDT            6.37           1507         0              Normal
  03/13/2026 02 PM PDT            6.36           1503         -              Normal
  03/13/2026 03 PM PDT            6.35           1498         -              Normal
  03/13/2026 04 PM PDT            6.34           1494         -              Normal
  03/13/2026 05 PM PDT            6.34           1494         0              Normal
  03/13/2026 06 PM PDT            6.33           1489         -              Normal
  03/13/2026 07 PM PDT            6.32           1485         -              Normal
  03/13/2026 08 PM PDT            6.32           1485         0              Normal
  03/13/2026 09 PM PDT            6.31           1480         -              Normal
  03/13/2026 10 PM PDT            6.30           1476         -              Normal
  03/13/2026 11 PM PDT            6.30           1476         0              Normal
  03/14/2026 12 AM PDT            6.29           1472         -              Normal
  03/14/2026 01 AM PDT            6.28           1467         -              Normal
  03/14/2026 02 AM PDT            6.28           1467         0              Normal
  03/14/2026 03 AM PDT            6.27           1463         -              Normal
  03/14/2026 04 AM PDT            6.26           1458         -              Normal
  03/14/2026 05 AM PDT            6.26           1458         0              Normal
  03/14/2026 06 AM PDT            6.25           1454         -              Normal
  03/14/2026 07 AM PDT            6.25           1454         0              Normal
  03/14/2026 08 AM PDT            6.24           1450         -              Normal
  03/14/2026 09 AM PDT            6.24           1450         0              Normal
  03/14/2026 10 AM PDT            6.23           1445         -              Normal
  03/14/2026 11 AM PDT            6.22           1441         -              Normal
  03/14/2026 12 PM PDT            6.22           1441         0              Normal
  03/14/2026 01 PM PDT            6.21           1436         -              Normal
  03/14/2026 02 PM PDT            6.21           1436         0              Normal
  03/14/2026 03 PM PDT            6.20           1432         -              Normal
  03/14/2026 04 PM PDT            6.20           1432         0              Normal
  03/14/2026 05 PM PDT            6.19           1428         -              Normal
  03/14/2026 06 PM PDT            6.19           1428         0              Normal
  03/14/2026 07 PM PDT            6.18           1423         -              Normal
  03/14/2026 08 PM PDT            6.18           1423         0              Normal
  03/14/2026 09 PM PDT            6.17           1419         -              Normal
  03/14/2026 10 PM PDT            6.17           1419         0              Normal
  03/14/2026 11 PM PDT            6.16           1415         -              Normal
  03/15/2026 12 AM PDT            6.16           1415         0              Normal
  03/15/2026 01 AM PDT            6.15           1410         -              Normal
  03/15/2026 02 AM PDT            6.15           1410         0              Normal
  03/15/2026 03 AM PDT            6.14           1406         -              Normal
  03/15/2026 04 AM PDT            6.14           1406         0              Normal
  03/15/2026 05 AM PDT            6.13           1402         -              Normal
  03/15/2026 06 AM PDT            6.13           1402         0              Normal
  03/15/2026 07 AM PDT            6.12           1398         -              Normal
  03/15/2026 08 AM PDT            6.12           1398         0              Normal
  03/15/2026 09 AM PDT            6.11           1393         -              Normal
  03/15/2026 10 AM PDT            6.11           1393         0              Normal
  03/15/2026 11 AM PDT            6.10           1389         -              Normal
  03/15/2026 12 PM PDT            6.10           1389         0              Normal
  03/15/2026 01 PM PDT            6.09           1385         -              Normal
  03/15/2026 02 PM PDT            6.09           1385         0              Normal
  03/15/2026 03 PM PDT            6.08           1380         -              Normal
  03/15/2026 04 PM PDT            6.08           1380         0              Normal
  03/15/2026 05 PM PDT            6.07           1376         -              Normal
  03/15/2026 06 PM PDT            6.07           1376         0              Normal
  03/15/2026 07 PM PDT            6.06           1372         -              Normal
  03/15/2026 08 PM PDT            6.06           1372         0              Normal
  03/15/2026 09 PM PDT            6.05           1368         -              Normal
  03/15/2026 10 PM PDT            6.05           1368         0              Normal
  03/15/2026 11 PM PDT            6.04           1363         -              Normal
  03/16/2026 12 AM PDT            6.04           1363         0              Normal
  03/16/2026 01 AM PDT            6.04           1363         0              Normal
  03/16/2026 02 AM PDT            6.03           1359         -              Normal
  03/16/2026 03 AM PDT            6.03           1359         0              Normal
  03/16/2026 04 AM PDT            6.02           1355         -              Normal
  03/16/2026 05 AM PDT            6.02           1355         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.