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RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
| Latitude: 38.51º N | Longitude: 122.93º W | Elevation: 20 Feet | | Forecast Type: Unofficial Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Mar 13 2026 at 1:07 PM PDT | Next Issuance: | Mar 14 2026 at 9:00 AM PDT
| |
| Action/Monitor: 31.0 Feet | Minor Flood: 34.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hacienda Bridge (RIOC1)
#
# File Generation Time: 03/13/2026 at 01:08 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/08/2026 at 02:00 PM PDT
# Maximum Observed Stage: 8.38 Feet
# Maximum Observed Flow: 2526 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/13/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 6.26 Feet
# Maximum Forecast Flow: 1458 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
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 7.02 1810 - Normal
03/11/2026 01 PM PDT 6.99 1795 - Normal
03/11/2026 02 PM PDT 6.98 1790 - Normal
03/11/2026 03 PM PDT 6.94 1771 - Normal
03/11/2026 04 PM PDT 6.93 1766 - Normal
03/11/2026 05 PM PDT 6.90 1752 - Normal
03/11/2026 06 PM PDT 6.87 1738 - Normal
03/11/2026 07 PM PDT 6.86 1733 - Normal
03/11/2026 08 PM PDT 6.84 1723 - Normal
03/11/2026 09 PM PDT 6.82 1714 - Normal
03/11/2026 10 PM PDT 6.80 1704 - Normal
03/11/2026 11 PM PDT 6.78 1695 - Normal
03/12/2026 12 AM PDT 6.77 1690 - Normal
03/12/2026 01 AM PDT 6.74 1676 - Normal
03/12/2026 02 AM PDT 6.73 1671 - Normal
03/12/2026 03 AM PDT 6.71 1662 - Normal
03/12/2026 04 AM PDT 6.70 1657 - Normal
03/12/2026 05 AM PDT 6.68 1648 - Normal
03/12/2026 06 AM PDT 6.65 1634 - Normal
03/12/2026 07 AM PDT 6.64 1630 - Normal
03/12/2026 08 AM PDT 6.64 1630 0 Normal
03/12/2026 09 AM PDT 6.62 1620 - Normal
03/12/2026 10 AM PDT 6.61 1616 - Normal
03/12/2026 11 AM PDT 6.58 1602 - Normal
03/12/2026 12 PM PDT 6.57 1597 - Normal
03/12/2026 01 PM PDT 6.55 1588 - Normal
03/12/2026 02 PM PDT 6.54 1584 - Normal
03/12/2026 03 PM PDT 6.51 1570 - Normal
03/12/2026 04 PM PDT 6.50 1565 - Normal
03/12/2026 05 PM PDT 6.48 1556 - Normal
03/12/2026 06 PM PDT 6.48 1556 0 Normal
03/12/2026 07 PM PDT 6.47 1552 - Normal
03/12/2026 08 PM PDT 6.46 1547 - Normal
03/12/2026 09 PM PDT 6.45 1543 - Normal
03/12/2026 10 PM PDT 6.42 1529 - Normal
03/12/2026 11 PM PDT 6.42 1529 0 Normal
03/13/2026 12 AM PDT 6.41 1525 - Normal
03/13/2026 01 AM PDT 6.39 1516 - Normal
03/13/2026 02 AM PDT 6.39 1516 0 Normal
03/13/2026 03 AM PDT 6.37 1507 - Normal
03/13/2026 04 AM PDT 6.35 1498 - Normal
03/13/2026 05 AM PDT 6.35 1498 0 Normal
03/13/2026 06 AM PDT 6.34 1494 - Normal
03/13/2026 07 AM PDT 6.33 1489 - Normal
03/13/2026 08 AM PDT 6.32 1485 - Normal
03/13/2026 09 AM PDT 6.32 1485 0 Normal
03/13/2026 10 AM PDT 6.30 1476 - Normal
03/13/2026 11 AM PDT 6.28 1467 - Normal
03/13/2026 12 PM PDT 6.27 1463 - Normal
03/13/2026 01 PM PDT 6.26 1458 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/13/2026 02 PM PDT 6.26 1458 Normal
03/13/2026 03 PM PDT 6.25 1454 - Normal
03/13/2026 04 PM PDT 6.24 1450 - Normal
03/13/2026 05 PM PDT 6.23 1445 - Normal
03/13/2026 06 PM PDT 6.23 1445 0 Normal
03/13/2026 07 PM PDT 6.22 1441 - Normal
03/13/2026 08 PM PDT 6.21 1436 - Normal
03/13/2026 09 PM PDT 6.21 1436 0 Normal
03/13/2026 10 PM PDT 6.20 1432 - Normal
03/13/2026 11 PM PDT 6.19 1428 - Normal
03/14/2026 12 AM PDT 6.18 1423 - Normal
03/14/2026 01 AM PDT 6.18 1423 0 Normal
03/14/2026 02 AM PDT 6.17 1419 - Normal
03/14/2026 03 AM PDT 6.16 1415 - Normal
03/14/2026 04 AM PDT 6.16 1415 0 Normal
03/14/2026 05 AM PDT 6.15 1410 - Normal
03/14/2026 06 AM PDT 6.14 1406 - Normal
03/14/2026 07 AM PDT 6.13 1402 - Normal
03/14/2026 08 AM PDT 6.13 1402 0 Normal
03/14/2026 09 AM PDT 6.12 1398 - Normal
03/14/2026 10 AM PDT 6.11 1393 - Normal
03/14/2026 11 AM PDT 6.11 1393 0 Normal
03/14/2026 12 PM PDT 6.10 1389 - Normal
03/14/2026 01 PM PDT 6.09 1385 - Normal
03/14/2026 02 PM PDT 6.09 1385 0 Normal
03/14/2026 03 PM PDT 6.08 1380 - Normal
03/14/2026 04 PM PDT 6.07 1376 - Normal
03/14/2026 05 PM PDT 6.07 1376 0 Normal
03/14/2026 06 PM PDT 6.06 1372 - Normal
03/14/2026 07 PM PDT 6.05 1368 - Normal
03/14/2026 08 PM PDT 6.05 1368 0 Normal
03/14/2026 09 PM PDT 6.04 1363 - Normal
03/14/2026 10 PM PDT 6.03 1359 - Normal
03/14/2026 11 PM PDT 6.03 1359 0 Normal
03/15/2026 12 AM PDT 6.02 1355 - Normal
03/15/2026 01 AM PDT 6.01 1351 - Normal
03/15/2026 02 AM PDT 6.01 1351 0 Normal
03/15/2026 03 AM PDT 6.00 1346 - Normal
03/15/2026 04 AM PDT 6.00 1346 0 Normal
03/15/2026 05 AM PDT 5.99 1342 - Normal
03/15/2026 06 AM PDT 5.98 1338 - Normal
03/15/2026 07 AM PDT 5.97 1334 - Normal
03/15/2026 08 AM PDT 5.97 1334 0 Normal
03/15/2026 09 AM PDT 5.96 1329 - Normal
03/15/2026 10 AM PDT 5.95 1325 - Normal
03/15/2026 11 AM PDT 5.95 1325 0 Normal
03/15/2026 12 PM PDT 5.94 1321 - Normal
03/15/2026 01 PM PDT 5.93 1317 - Normal
03/15/2026 02 PM PDT 5.93 1317 0 Normal
03/15/2026 03 PM PDT 5.92 1313 - Normal
03/15/2026 04 PM PDT 5.91 1309 - Normal
03/15/2026 05 PM PDT 5.91 1309 0 Normal
03/15/2026 06 PM PDT 5.90 1304 - Normal
03/15/2026 07 PM PDT 5.89 1300 - Normal
03/15/2026 08 PM PDT 5.89 1300 0 Normal
03/15/2026 09 PM PDT 5.88 1296 - Normal
03/15/2026 10 PM PDT 5.88 1296 0 Normal
03/15/2026 11 PM PDT 5.87 1292 - Normal
03/16/2026 12 AM PDT 5.87 1292 0 Normal
03/16/2026 01 AM PDT 5.86 1288 - Normal
03/16/2026 02 AM PDT 5.86 1288 0 Normal
03/16/2026 03 AM PDT 5.85 1284 - Normal
03/16/2026 04 AM PDT 5.84 1279 - Normal
03/16/2026 05 AM PDT 5.84 1279 0 Normal
03/16/2026 06 AM PDT 5.83 1275 - Normal
03/16/2026 07 AM PDT 5.83 1275 0 Normal
03/16/2026 08 AM PDT 5.83 1275 0 Normal
03/16/2026 09 AM PDT 5.82 1271 - Normal
03/16/2026 10 AM PDT 5.82 1271 0 Normal
03/16/2026 11 AM PDT 5.81 1267 - Normal
03/16/2026 12 PM PDT 5.81 1267 0 Normal
03/16/2026 01 PM PDT 5.80 1263 - Normal
03/16/2026 02 PM PDT 5.80 1263 0 Normal
03/16/2026 03 PM PDT 5.79 1259 - Normal
03/16/2026 04 PM PDT 5.79 1259 0 Normal
03/16/2026 05 PM PDT 5.79 1259 0 Normal
03/16/2026 06 PM PDT 5.78 1255 - Normal
03/16/2026 07 PM PDT 5.78 1255 0 Normal
03/16/2026 08 PM PDT 5.77 1251 - Normal
03/16/2026 09 PM PDT 5.77 1251 0 Normal
03/16/2026 10 PM PDT 5.76 1247 - Normal
03/16/2026 11 PM PDT 5.76 1247 0 Normal
03/17/2026 12 AM PDT 5.76 1247 0 Normal
03/17/2026 01 AM PDT 5.75 1243 - Normal
03/17/2026 02 AM PDT 5.75 1243 0 Normal
03/17/2026 03 AM PDT 5.75 1243 0 Normal
03/17/2026 04 AM PDT 5.74 1239 - Normal
03/17/2026 05 AM PDT 5.74 1239 0 Normal
03/17/2026 06 AM PDT 5.73 1234 - Normal
03/17/2026 07 AM PDT 5.73 1234 0 Normal
03/17/2026 08 AM PDT 5.73 1234 0 Normal
03/17/2026 09 AM PDT 5.72 1230 - Normal
03/17/2026 10 AM PDT 5.72 1230 0 Normal
03/17/2026 11 AM PDT 5.71 1226 - Normal
03/17/2026 12 PM PDT 5.71 1226 0 Normal
03/17/2026 01 PM PDT 5.71 1226 0 Normal
03/17/2026 02 PM PDT 5.70 1222 - Normal
03/17/2026 03 PM PDT 5.70 1222 0 Normal
03/17/2026 04 PM PDT 5.70 1222 0 Normal
03/17/2026 05 PM PDT 5.69 1218 - Normal
03/17/2026 06 PM PDT 5.69 1218 0 Normal
03/17/2026 07 PM PDT 5.68 1214 - Normal
03/17/2026 08 PM PDT 5.68 1214 0 Normal
03/17/2026 09 PM PDT 5.68 1214 0 Normal
03/17/2026 10 PM PDT 5.67 1210 - Normal
03/17/2026 11 PM PDT 5.67 1210 0 Normal
03/18/2026 12 AM PDT 5.67 1210 0 Normal
03/18/2026 01 AM PDT 5.66 1206 - Normal
03/18/2026 02 AM PDT 5.66 1206 0 Normal
03/18/2026 03 AM PDT 5.66 1206 0 Normal
03/18/2026 04 AM PDT 5.65 1202 - Normal
03/18/2026 05 AM PDT 5.65 1202 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.
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