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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 03 2026 at 7:26 AM PST | Next Issuance: | Mar 03 2026 at 3:00 PM PST
| |
| 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: 03/03/2026 at 07:29 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/26/2026 at 07:00 AM PST
# Maximum Observed Stage: 22.27 Feet
# Maximum Observed Flow: 15932 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/03/2026 at 08:00 AM PST
# Maximum Forecast Stage: 11.17 Feet
# Maximum Forecast Flow: 4342 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/26/2026 07 AM PST 22.27 15932 Normal
02/26/2026 08 AM PST 22.17 15797 - Normal
02/26/2026 09 AM PST 22.10 15703 - Normal
02/26/2026 10 AM PST 22.00 15570 - Normal
02/26/2026 11 AM PST 21.73 15211 - Normal
02/26/2026 12 PM PST 21.53 14949 - Normal
02/26/2026 01 PM PST 21.26 14598 - Normal
02/26/2026 02 PM PST 21.01 14276 - Normal
02/26/2026 03 PM PST 20.75 13945 - Normal
02/26/2026 04 PM PST 20.43 13542 - Normal
02/26/2026 05 PM PST 20.07 13096 - Normal
02/26/2026 06 PM PST 19.73 12681 - Normal
02/26/2026 07 PM PST 19.38 12261 - Normal
02/26/2026 08 PM PST 19.05 11871 - Normal
02/26/2026 09 PM PST 18.74 11509 - Normal
02/26/2026 10 PM PST 18.38 11096 - Normal
02/26/2026 11 PM PST 18.15 10836 - Normal
02/27/2026 12 AM PST 17.94 10601 - Normal
02/27/2026 01 AM PST 17.66 10291 - Normal
02/27/2026 02 AM PST 17.46 10073 - Normal
02/27/2026 03 AM PST 17.21 9803 - Normal
02/27/2026 04 AM PST 16.99 9568 - Normal
02/27/2026 05 AM PST 16.84 9410 - Normal
02/27/2026 06 AM PST 16.64 9200 - Normal
02/27/2026 07 AM PST 16.46 9014 - Normal
02/27/2026 08 AM PST 16.31 8859 - Normal
02/27/2026 09 AM PST 16.14 8686 - Normal
02/27/2026 10 AM PST 15.98 8525 - Normal
02/27/2026 11 AM PST 15.89 8434 - Normal
02/27/2026 12 PM PST 15.75 8295 - Normal
02/27/2026 01 PM PST 15.61 8157 - Normal
02/27/2026 02 PM PST 15.51 8058 - Normal
02/27/2026 03 PM PST 15.38 7932 - Normal
02/27/2026 04 PM PST 15.27 7825 - Normal
02/27/2026 05 PM PST 15.17 7729 - Normal
02/27/2026 06 PM PST 15.05 7614 - Normal
02/27/2026 07 PM PST 15.01 7576 - Normal
02/27/2026 08 PM PST 14.93 7500 - Normal
02/27/2026 09 PM PST 14.85 7425 - Normal
02/27/2026 10 PM PST 14.77 7349 - Normal
02/27/2026 11 PM PST 14.75 7331 - Normal
02/28/2026 12 AM PST 14.63 7219 - Normal
02/28/2026 01 AM PST 14.61 7200 - Normal
02/28/2026 02 AM PST 14.50 7098 - Normal
02/28/2026 03 AM PST 14.43 7034 - Normal
02/28/2026 04 AM PST 14.38 6988 - Normal
02/28/2026 05 AM PST 14.31 6924 - Normal
02/28/2026 06 AM PST 14.25 6870 - Normal
02/28/2026 07 AM PST 14.18 6806 - Normal
02/28/2026 08 AM PST 14.13 6761 - Normal
02/28/2026 09 AM PST 14.06 6698 - Normal
02/28/2026 10 AM PST 14.02 6662 - Normal
02/28/2026 11 AM PST 13.95 6600 - Normal
02/28/2026 12 PM PST 13.88 6537 - Normal
02/28/2026 01 PM PST 13.83 6493 - Normal
02/28/2026 02 PM PST 13.75 6422 - Normal
02/28/2026 03 PM PST 13.69 6370 - Normal
02/28/2026 04 PM PST 13.66 6343 - Normal
02/28/2026 05 PM PST 13.58 6274 - Normal
02/28/2026 06 PM PST 13.53 6230 - Normal
02/28/2026 07 PM PST 13.48 6187 - Normal
02/28/2026 08 PM PST 13.42 6135 - Normal
02/28/2026 09 PM PST 13.37 6092 - Normal
02/28/2026 10 PM PST 13.30 6032 - Normal
02/28/2026 11 PM PST 13.26 5998 - Normal
03/01/2026 12 AM PST 13.20 5947 - Normal
03/01/2026 01 AM PST 13.14 5896 - Normal
03/01/2026 02 AM PST 13.09 5854 - Normal
03/01/2026 03 AM PST 13.06 5829 - Normal
03/01/2026 04 AM PST 12.99 5770 - Normal
03/01/2026 05 AM PST 12.95 5737 - Normal
03/01/2026 06 AM PST 12.88 5678 - Normal
03/01/2026 07 AM PST 12.84 5645 - Normal
03/01/2026 08 AM PST 12.82 5629 - Normal
03/01/2026 09 AM PST 12.75 5571 - Normal
03/01/2026 10 AM PST 12.71 5538 - Normal
03/01/2026 11 AM PST 12.67 5505 - Normal
03/01/2026 12 PM PST 12.62 5464 - Normal
03/01/2026 01 PM PST 12.58 5432 - Normal
03/01/2026 02 PM PST 12.56 5415 - Normal
03/01/2026 03 PM PST 12.50 5367 - Normal
03/01/2026 04 PM PST 12.45 5326 - Normal
03/01/2026 05 PM PST 12.41 5294 - Normal
03/01/2026 06 PM PST 12.37 5262 - Normal
03/01/2026 07 PM PST 12.34 5238 - Normal
03/01/2026 08 PM PST 12.28 5190 - Normal
03/01/2026 09 PM PST 12.25 5166 - Normal
03/01/2026 10 PM PST 12.22 5143 - Normal
03/01/2026 11 PM PST 12.19 5119 - Normal
03/02/2026 12 AM PST 12.13 5071 - Normal
03/02/2026 01 AM PST 12.10 5048 - Normal
03/02/2026 02 AM PST 12.08 5032 - Normal
03/02/2026 03 AM PST 12.04 5001 - Normal
03/02/2026 04 AM PST 12.00 4969 - Normal
03/02/2026 05 AM PST 11.96 4938 - Normal
03/02/2026 06 AM PST 11.94 4923 - Normal
03/02/2026 07 AM PST 11.90 4892 - Normal
03/02/2026 08 AM PST 11.87 4869 - Normal
03/02/2026 09 AM PST 11.82 4830 - Normal
03/02/2026 10 AM PST 11.79 4807 - Normal
03/02/2026 11 AM PST 11.78 4799 - Normal
03/02/2026 12 PM PST 11.75 4776 - Normal
03/02/2026 01 PM PST 11.71 4746 - Normal
03/02/2026 02 PM PST 11.69 4730 - Normal
03/02/2026 03 PM PST 11.67 4715 - Normal
03/02/2026 04 PM PST 11.63 4685 - Normal
03/02/2026 05 PM PST 11.61 4670 - Normal
03/02/2026 06 PM PST 11.55 4624 - Normal
03/02/2026 07 PM PST 11.53 4609 - Normal
03/02/2026 08 PM PST 11.52 4602 - Normal
03/02/2026 09 PM PST 11.48 4572 - Normal
03/02/2026 10 PM PST 11.47 4564 - Normal
03/02/2026 11 PM PST 11.42 4527 - Normal
03/03/2026 12 AM PST 11.40 4512 - Normal
03/03/2026 01 AM PST 11.36 4482 - Normal
03/03/2026 02 AM PST 11.35 4474 - Normal
03/03/2026 03 AM PST 11.32 4452 - Normal
03/03/2026 04 AM PST 11.27 4415 - Normal
03/03/2026 05 AM PST 11.26 4408 - Normal
03/03/2026 06 AM PST 11.23 4386 - Normal
03/03/2026 07 AM PST 11.20 4364 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/03/2026 08 AM PST 11.17 4342 Normal
03/03/2026 09 AM PST 11.15 4327 - Normal
03/03/2026 10 AM PST 11.12 4305 - Normal
03/03/2026 11 AM PST 11.09 4283 - Normal
03/03/2026 12 PM PST 11.07 4269 - Normal
03/03/2026 01 PM PST 11.04 4247 - Normal
03/03/2026 02 PM PST 11.02 4233 - Normal
03/03/2026 03 PM PST 10.99 4211 - Normal
03/03/2026 04 PM PST 10.97 4196 - Normal
03/03/2026 05 PM PST 10.95 4182 - Normal
03/03/2026 06 PM PST 10.92 4160 - Normal
03/03/2026 07 PM PST 10.90 4146 - Normal
03/03/2026 08 PM PST 10.87 4125 - Normal
03/03/2026 09 PM PST 10.85 4110 - Normal
03/03/2026 10 PM PST 10.83 4096 - Normal
03/03/2026 11 PM PST 10.81 4082 - Normal
03/04/2026 12 AM PST 10.79 4068 - Normal
03/04/2026 01 AM PST 10.76 4046 - Normal
03/04/2026 02 AM PST 10.74 4032 - Normal
03/04/2026 03 AM PST 10.72 4018 - Normal
03/04/2026 04 AM PST 10.70 4004 - Normal
03/04/2026 05 AM PST 10.68 3990 - Normal
03/04/2026 06 AM PST 10.66 3976 - Normal
03/04/2026 07 AM PST 10.64 3962 - Normal
03/04/2026 08 AM PST 10.62 3948 - Normal
03/04/2026 09 AM PST 10.60 3934 - Normal
03/04/2026 10 AM PST 10.59 3927 - Normal
03/04/2026 11 AM PST 10.57 3913 - Normal
03/04/2026 12 PM PST 10.55 3899 - Normal
03/04/2026 01 PM PST 10.53 3885 - Normal
03/04/2026 02 PM PST 10.52 3878 - Normal
03/04/2026 03 PM PST 10.50 3864 - Normal
03/04/2026 04 PM PST 10.48 3850 - Normal
03/04/2026 05 PM PST 10.46 3836 - Normal
03/04/2026 06 PM PST 10.45 3830 - Normal
03/04/2026 07 PM PST 10.43 3816 - Normal
03/04/2026 08 PM PST 10.41 3802 - Normal
03/04/2026 09 PM PST 10.40 3795 - Normal
03/04/2026 10 PM PST 10.38 3781 - Normal
03/04/2026 11 PM PST 10.36 3768 - Normal
03/05/2026 12 AM PST 10.35 3761 - Normal
03/05/2026 01 AM PST 10.33 3747 - Normal
03/05/2026 02 AM PST 10.31 3733 - Normal
03/05/2026 03 AM PST 10.30 3727 - Normal
03/05/2026 04 AM PST 10.28 3713 - Normal
03/05/2026 05 AM PST 10.27 3706 - Normal
03/05/2026 06 AM PST 10.25 3693 - Normal
03/05/2026 07 AM PST 10.23 3679 - Normal
03/05/2026 08 AM PST 10.22 3672 - Normal
03/05/2026 09 AM PST 10.20 3659 - Normal
03/05/2026 10 AM PST 10.19 3652 - Normal
03/05/2026 11 AM PST 10.17 3638 - Normal
03/05/2026 12 PM PST 10.16 3632 - Normal
03/05/2026 01 PM PST 10.14 3618 - Normal
03/05/2026 02 PM PST 10.13 3612 - Normal
03/05/2026 03 PM PST 10.11 3598 - Normal
03/05/2026 04 PM PST 10.10 3591 - Normal
03/05/2026 05 PM PST 10.09 3585 - Normal
03/05/2026 06 PM PST 10.07 3571 - Normal
03/05/2026 07 PM PST 10.06 3565 - Normal
03/05/2026 08 PM PST 10.04 3551 - Normal
03/05/2026 09 PM PST 10.03 3545 - Normal
03/05/2026 10 PM PST 10.02 3538 - Normal
03/05/2026 11 PM PST 10.00 3525 - Normal
03/06/2026 12 AM PST 9.99 3518 - Normal
03/06/2026 01 AM PST 9.98 3511 - Normal
03/06/2026 02 AM PST 9.96 3498 - Normal
03/06/2026 03 AM PST 9.95 3492 - Normal
03/06/2026 04 AM PST 9.94 3485 - Normal
03/06/2026 05 AM PST 9.92 3472 - Normal
03/06/2026 06 AM PST 9.91 3465 - Normal
03/06/2026 07 AM PST 9.90 3459 - Normal
03/06/2026 08 AM PST 9.89 3452 - Normal
03/06/2026 09 AM PST 9.87 3439 - Normal
03/06/2026 10 AM PST 9.86 3432 - Normal
03/06/2026 11 AM PST 9.85 3426 - Normal
03/06/2026 12 PM PST 9.84 3419 - Normal
03/06/2026 01 PM PST 9.82 3406 - Normal
03/06/2026 02 PM PST 9.81 3400 - Normal
03/06/2026 03 PM PST 9.80 3393 - Normal
03/06/2026 04 PM PST 9.79 3387 - Normal
03/06/2026 05 PM PST 9.77 3374 - Normal
03/06/2026 06 PM PST 9.76 3367 - Normal
03/06/2026 07 PM PST 9.75 3361 - Normal
03/06/2026 08 PM PST 9.74 3354 - Normal
03/06/2026 09 PM PST 9.73 3348 - Normal
03/06/2026 10 PM PST 9.71 3335 - Normal
03/06/2026 11 PM PST 9.70 3328 - Normal
03/07/2026 12 AM PST 9.69 3322 - Normal
03/07/2026 01 AM PST 9.68 3315 - Normal
03/07/2026 02 AM PST 9.67 3309 - Normal
03/07/2026 03 AM PST 9.66 3302 - Normal
03/07/2026 04 AM PST 9.65 3296 - Normal
03/07/2026 05 AM PST 9.63 3283 - Normal
03/07/2026 06 AM PST 9.62 3277 - Normal
03/07/2026 07 AM PST 9.61 3270 - Normal
03/07/2026 08 AM PST 9.60 3264 - Normal
03/07/2026 09 AM PST 9.59 3257 - Normal
03/07/2026 10 AM PST 9.58 3251 - Normal
03/07/2026 11 AM PST 9.57 3245 - Normal
03/07/2026 12 PM PST 9.56 3238 - Normal
03/07/2026 01 PM PST 9.55 3232 - Normal
03/07/2026 02 PM PST 9.54 3225 - Normal
03/07/2026 03 PM PST 9.53 3219 - Normal
03/07/2026 04 PM PST 9.52 3213 - Normal
03/07/2026 05 PM PST 9.51 3206 - Normal
03/07/2026 06 PM PST 9.49 3194 - Normal
03/07/2026 07 PM PST 9.48 3187 - Normal
03/07/2026 08 PM PST 9.47 3181 - Normal
03/07/2026 09 PM PST 9.46 3175 - Normal
03/07/2026 10 PM PST 9.45 3168 - Normal
03/07/2026 11 PM PST 9.44 3162 - Normal
03/08/2026 12 AM PST 9.43 3156 - Normal
03/08/2026 01 AM PST 9.42 3149 - Normal
03/08/2026 03 AM PDT 9.41 3143 - Normal
03/08/2026 04 AM PDT 9.40 3137 - Normal
03/08/2026 05 AM PDT 9.39 3131 - 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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