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RUSSIAN RIVER - HOPLAND (HOPC1)
| Latitude: 39.03º N | Longitude: 123.13º W | Elevation: 498 Feet | | Forecast Type: Official Location |
| Location: Mendocino County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Mar 10 2026 at 12:45 PM PDT | Next Issuance: | Mar 11 2026 at 9:00 AM PDT
| |
| Action/Monitor: N/A | Minor Flood: 15.0 Feet | Moderate Flood: 23.0 Feet | Major Flood: 26.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hopland (HOPC1)
#
# File Generation Time: 03/10/2026 at 12:45 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/05/2026 at 11:00 AM PST
# Maximum Observed Stage: 4.06 Feet
# Maximum Observed Flow: 943 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/10/2026 at 01:00 PM PDT
# Maximum Forecast Stage: 2.34 Feet
# Maximum Forecast Flow: 461 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/05/2026 11 AM PST 4.06 943 Normal
03/05/2026 12 PM PST 4.05 940 - Normal
03/05/2026 01 PM PST 4.04 937 - Normal
03/05/2026 02 PM PST 4.04 937 0 Normal
03/05/2026 03 PM PST 4.04 937 0 Normal
03/05/2026 04 PM PST 4.02 931 - Normal
03/05/2026 05 PM PST 4.01 928 - Normal
03/05/2026 06 PM PST 4.00 925 - Normal
03/05/2026 07 PM PST 3.98 919 - Normal
03/05/2026 08 PM PST 3.97 916 - Normal
03/05/2026 09 PM PST 3.96 913 - Normal
03/05/2026 10 PM PST 3.95 910 - Normal
03/05/2026 11 PM PST 3.94 906 - Normal
03/06/2026 12 AM PST 3.94 906 0 Normal
03/06/2026 01 AM PST 3.93 903 - Normal
03/06/2026 02 AM PST 3.92 900 - Normal
03/06/2026 03 AM PST 3.92 900 0 Normal
03/06/2026 04 AM PST 3.91 897 - Normal
03/06/2026 05 AM PST 3.90 894 - Normal
03/06/2026 06 AM PST 3.90 894 0 Normal
03/06/2026 07 AM PST 3.88 888 - Normal
03/06/2026 08 AM PST 3.89 891 + Normal
03/06/2026 09 AM PST 3.88 888 - Normal
03/06/2026 10 AM PST 3.88 888 0 Normal
03/06/2026 11 AM PST 3.86 882 - Normal
03/06/2026 12 PM PST 3.85 879 - Normal
03/06/2026 01 PM PST 3.84 876 - Normal
03/06/2026 02 PM PST 3.78 858 - Normal
03/06/2026 03 PM PST 3.61 807 - Normal
03/06/2026 04 PM PST 3.34 729 - Normal
03/06/2026 05 PM PST 3.19 686 - Normal
03/06/2026 06 PM PST 3.19 686 0 Normal
03/06/2026 07 PM PST 3.18 683 - Normal
03/06/2026 08 PM PST 3.16 678 - Normal
03/06/2026 09 PM PST 3.15 675 - Normal
03/06/2026 10 PM PST 3.12 667 - Normal
03/06/2026 11 PM PST 3.11 664 - Normal
03/07/2026 12 AM PST 3.10 661 - Normal
03/07/2026 01 AM PST 3.10 661 0 Normal
03/07/2026 02 AM PST 3.08 656 - Normal
03/07/2026 03 AM PST 3.08 656 0 Normal
03/07/2026 04 AM PST 3.08 656 0 Normal
03/07/2026 05 AM PST 3.05 647 - Normal
03/07/2026 06 AM PST 3.04 644 - Normal
03/07/2026 07 AM PST 3.03 642 - Normal
03/07/2026 08 AM PST 3.03 642 0 Normal
03/07/2026 09 AM PST 3.01 636 - Normal
03/07/2026 10 AM PST 3.01 636 0 Normal
03/07/2026 11 AM PST 3.02 639 + Normal
03/07/2026 12 PM PST 2.99 631 - Normal
03/07/2026 01 PM PST 3.00 633 + Normal
03/07/2026 02 PM PST 2.99 631 - Normal
03/07/2026 03 PM PST 2.98 628 - Normal
03/07/2026 04 PM PST 2.98 628 0 Normal
03/07/2026 05 PM PST 2.98 628 0 Normal
03/07/2026 06 PM PST 2.96 623 - Normal
03/07/2026 07 PM PST 2.96 623 0 Normal
03/07/2026 08 PM PST 2.95 620 - Normal
03/07/2026 09 PM PST 2.93 614 - Normal
03/07/2026 10 PM PST 2.93 614 0 Normal
03/07/2026 11 PM PST 2.93 614 0 Normal
03/08/2026 12 AM PST 2.92 612 - Normal
03/08/2026 01 AM PST 2.90 606 - Normal
03/08/2026 03 AM PDT 2.90 606 0 Normal
03/08/2026 04 AM PDT 2.88 601 - Normal
03/08/2026 05 AM PDT 2.89 604 + Normal
03/08/2026 06 AM PDT 2.89 604 0 Normal
03/08/2026 07 AM PDT 2.86 595 - Normal
03/08/2026 08 AM PDT 2.87 598 + Normal
03/08/2026 09 AM PDT 2.87 598 0 Normal
03/08/2026 10 AM PDT 2.86 595 - Normal
03/08/2026 11 AM PDT 2.85 593 - Normal
03/08/2026 12 PM PDT 2.85 593 0 Normal
03/08/2026 01 PM PDT 2.86 595 + Normal
03/08/2026 02 PM PDT 2.84 590 - Normal
03/08/2026 03 PM PDT 2.82 585 - Normal
03/08/2026 04 PM PDT 2.71 556 - Normal
03/08/2026 05 PM PDT 2.67 545 - Normal
03/08/2026 06 PM PDT 2.70 553 + Normal
03/08/2026 07 PM PDT 2.69 550 - Normal
03/08/2026 08 PM PDT 2.68 548 - Normal
03/08/2026 09 PM PDT 2.66 542 - Normal
03/08/2026 10 PM PDT 2.64 537 - Normal
03/08/2026 11 PM PDT 2.62 532 - Normal
03/09/2026 12 AM PDT 2.61 529 - Normal
03/09/2026 01 AM PDT 2.59 524 - Normal
03/09/2026 02 AM PDT 2.58 522 - Normal
03/09/2026 03 AM PDT 2.57 519 - Normal
03/09/2026 04 AM PDT 2.58 522 + Normal
03/09/2026 05 AM PDT 2.57 519 - Normal
03/09/2026 06 AM PDT 2.56 517 - Normal
03/09/2026 07 AM PDT 2.56 517 0 Normal
03/09/2026 08 AM PDT 2.55 514 - Normal
03/09/2026 09 AM PDT 2.56 517 + Normal
03/09/2026 10 AM PDT 2.54 511 - Normal
03/09/2026 11 AM PDT 2.55 514 + Normal
03/09/2026 12 PM PDT 2.53 509 - Normal
03/09/2026 01 PM PDT 2.52 506 - Normal
03/09/2026 02 PM PDT 2.50 501 - Normal
03/09/2026 03 PM PDT 2.47 494 - Normal
03/09/2026 04 PM PDT 2.44 486 - Normal
03/09/2026 05 PM PDT 2.42 481 - Normal
03/09/2026 06 PM PDT 2.42 481 0 Normal
03/09/2026 07 PM PDT 2.41 478 - Normal
03/09/2026 08 PM PDT 2.41 478 0 Normal
03/09/2026 09 PM PDT 2.40 476 - Normal
03/09/2026 10 PM PDT 2.41 478 + Normal
03/09/2026 11 PM PDT 2.41 478 0 Normal
03/10/2026 12 AM PDT 2.40 476 - Normal
03/10/2026 01 AM PDT 2.38 471 - Normal
03/10/2026 02 AM PDT 2.40 476 + Normal
03/10/2026 03 AM PDT 2.39 473 - Normal
03/10/2026 04 AM PDT 2.37 468 - Normal
03/10/2026 05 AM PDT 2.38 471 + Normal
03/10/2026 06 AM PDT 2.36 466 - Normal
03/10/2026 07 AM PDT 2.36 466 0 Normal
03/10/2026 08 AM PDT 2.35 463 - Normal
03/10/2026 09 AM PDT 2.34 461 - Normal
03/10/2026 10 AM PDT 2.34 461 0 Normal
03/10/2026 11 AM PDT 2.35 463 + Normal
03/10/2026 12 PM PDT 2.35 463 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/10/2026 01 PM PDT 2.34 461 Normal
03/10/2026 02 PM PDT 2.33 458 - Normal
03/10/2026 03 PM PDT 2.33 458 0 Normal
03/10/2026 04 PM PDT 2.31 454 - Normal
03/10/2026 05 PM PDT 2.30 451 - Normal
03/10/2026 06 PM PDT 2.29 449 - Normal
03/10/2026 07 PM PDT 2.29 449 0 Normal
03/10/2026 08 PM PDT 2.28 446 - Normal
03/10/2026 09 PM PDT 2.27 444 - Normal
03/10/2026 10 PM PDT 2.27 444 0 Normal
03/10/2026 11 PM PDT 2.26 441 - Normal
03/11/2026 12 AM PDT 2.25 439 - Normal
03/11/2026 01 AM PDT 2.25 439 0 Normal
03/11/2026 02 AM PDT 2.24 436 - Normal
03/11/2026 03 AM PDT 2.24 436 0 Normal
03/11/2026 04 AM PDT 2.23 434 - Normal
03/11/2026 05 AM PDT 2.23 434 0 Normal
03/11/2026 06 AM PDT 2.23 434 0 Normal
03/11/2026 07 AM PDT 2.22 431 - Normal
03/11/2026 08 AM PDT 2.22 431 0 Normal
03/11/2026 09 AM PDT 2.21 429 - Normal
03/11/2026 10 AM PDT 2.21 429 0 Normal
03/11/2026 11 AM PDT 2.20 427 - Normal
03/11/2026 12 PM PDT 2.20 427 0 Normal
03/11/2026 01 PM PDT 2.20 427 0 Normal
03/11/2026 02 PM PDT 2.19 424 - Normal
03/11/2026 03 PM PDT 2.19 424 0 Normal
03/11/2026 04 PM PDT 2.18 422 - Normal
03/11/2026 05 PM PDT 2.18 422 0 Normal
03/11/2026 06 PM PDT 2.17 419 - Normal
03/11/2026 07 PM PDT 2.17 419 0 Normal
03/11/2026 08 PM PDT 2.17 419 0 Normal
03/11/2026 09 PM PDT 2.16 417 - Normal
03/11/2026 10 PM PDT 2.16 417 0 Normal
03/11/2026 11 PM PDT 2.15 415 - Normal
03/12/2026 12 AM PDT 2.15 415 0 Normal
03/12/2026 01 AM PDT 2.15 415 0 Normal
03/12/2026 02 AM PDT 2.14 412 - Normal
03/12/2026 03 AM PDT 2.14 412 0 Normal
03/12/2026 04 AM PDT 2.14 412 0 Normal
03/12/2026 05 AM PDT 2.13 410 - Normal
03/12/2026 06 AM PDT 2.13 410 0 Normal
03/12/2026 07 AM PDT 2.12 407 - Normal
03/12/2026 08 AM PDT 2.12 407 0 Normal
03/12/2026 09 AM PDT 2.12 407 0 Normal
03/12/2026 10 AM PDT 2.11 405 - Normal
03/12/2026 11 AM PDT 2.11 405 0 Normal
03/12/2026 12 PM PDT 2.11 405 0 Normal
03/12/2026 01 PM PDT 2.10 403 - Normal
03/12/2026 02 PM PDT 2.10 403 0 Normal
03/12/2026 03 PM PDT 2.10 403 0 Normal
03/12/2026 04 PM PDT 2.09 400 - Normal
03/12/2026 05 PM PDT 2.09 400 0 Normal
03/12/2026 06 PM PDT 2.08 398 - Normal
03/12/2026 07 PM PDT 2.08 398 0 Normal
03/12/2026 08 PM PDT 2.08 398 0 Normal
03/12/2026 09 PM PDT 2.07 395 - Normal
03/12/2026 10 PM PDT 2.07 395 0 Normal
03/12/2026 11 PM PDT 2.07 395 0 Normal
03/13/2026 12 AM PDT 2.06 393 - Normal
03/13/2026 01 AM PDT 2.06 393 0 Normal
03/13/2026 02 AM PDT 2.06 393 0 Normal
03/13/2026 03 AM PDT 2.05 391 - Normal
03/13/2026 04 AM PDT 2.05 391 0 Normal
03/13/2026 05 AM PDT 2.05 391 0 Normal
03/13/2026 06 AM PDT 2.04 388 - Normal
03/13/2026 07 AM PDT 2.04 388 0 Normal
03/13/2026 08 AM PDT 2.04 388 0 Normal
03/13/2026 09 AM PDT 2.03 386 - Normal
03/13/2026 10 AM PDT 2.03 386 0 Normal
03/13/2026 11 AM PDT 2.03 386 0 Normal
03/13/2026 12 PM PDT 2.02 384 - Normal
03/13/2026 01 PM PDT 2.02 384 0 Normal
03/13/2026 02 PM PDT 2.02 384 0 Normal
03/13/2026 03 PM PDT 2.01 381 - Normal
03/13/2026 04 PM PDT 2.01 381 0 Normal
03/13/2026 05 PM PDT 2.01 381 0 Normal
03/13/2026 06 PM PDT 2.00 379 - Normal
03/13/2026 07 PM PDT 2.00 379 0 Normal
03/13/2026 08 PM PDT 2.00 379 0 Normal
03/13/2026 09 PM PDT 1.99 377 - Normal
03/13/2026 10 PM PDT 1.99 377 0 Normal
03/13/2026 11 PM PDT 1.99 377 0 Normal
03/14/2026 12 AM PDT 1.99 377 0 Normal
03/14/2026 01 AM PDT 1.98 374 - Normal
03/14/2026 02 AM PDT 1.98 374 0 Normal
03/14/2026 03 AM PDT 1.98 374 0 Normal
03/14/2026 04 AM PDT 1.97 372 - Normal
03/14/2026 05 AM PDT 1.97 372 0 Normal
03/14/2026 06 AM PDT 1.97 372 0 Normal
03/14/2026 07 AM PDT 1.96 370 - Normal
03/14/2026 08 AM PDT 1.96 370 0 Normal
03/14/2026 09 AM PDT 1.96 370 0 Normal
03/14/2026 10 AM PDT 1.96 370 0 Normal
03/14/2026 11 AM PDT 1.95 367 - Normal
03/14/2026 12 PM PDT 1.95 367 0 Normal
03/14/2026 01 PM PDT 1.95 367 0 Normal
03/14/2026 02 PM PDT 1.94 365 - Normal
03/14/2026 03 PM PDT 1.94 365 0 Normal
03/14/2026 04 PM PDT 1.94 365 0 Normal
03/14/2026 05 PM PDT 1.94 365 0 Normal
03/14/2026 06 PM PDT 1.93 363 - Normal
03/14/2026 07 PM PDT 1.93 363 0 Normal
03/14/2026 08 PM PDT 1.93 363 0 Normal
03/14/2026 09 PM PDT 1.92 360 - Normal
03/14/2026 10 PM PDT 1.92 360 0 Normal
03/14/2026 11 PM PDT 1.92 360 0 Normal
03/15/2026 12 AM PDT 1.92 360 0 Normal
03/15/2026 01 AM PDT 1.91 358 - Normal
03/15/2026 02 AM PDT 1.91 358 0 Normal
03/15/2026 03 AM PDT 1.91 358 0 Normal
03/15/2026 04 AM PDT 1.90 356 - Normal
03/15/2026 05 AM PDT 1.90 356 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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