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TRINITY RIVER - ABOVE NORTH FORK TRINITY RIVER NEAR HELENA (TRNC1)
| Latitude: 40.77º N | Longitude: 123.11º W | Elevation: 1380 Feet | | Forecast Type: Unofficial Location |
| Location: Trinity County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Nov 13 2026 at 7:21 AM PST | Next Issuance: | Nov 13 2026 at 3:00 PM PST
| |
| Action: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Trinity River - Above NF Trinity R Nr Helena (TRNC1)
#
# File Generation Time: 11/13/2026 at 07:23 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/12/2026 at 10:00 PM PST
# Maximum Observed Stage: 8.75 Feet
# Maximum Observed Flow: 356 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/15/2026 at 07:00 PM PST
# Maximum Forecast Stage: 9.41 Feet
# Maximum Forecast Flow: 616 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
11/08/2026 07 AM PST 8.71 342 Not Applicable
11/08/2026 08 AM PST 8.71 342 0 Not Applicable
11/08/2026 09 AM PST 8.71 342 0 Not Applicable
11/08/2026 10 AM PST 8.72 346 + Not Applicable
11/08/2026 11 AM PST 8.71 342 - Not Applicable
11/08/2026 12 PM PST 8.72 346 + Not Applicable
11/08/2026 01 PM PST 8.72 346 0 Not Applicable
11/08/2026 02 PM PST 8.72 346 0 Not Applicable
11/08/2026 03 PM PST 8.73 349 + Not Applicable
11/08/2026 04 PM PST 8.72 346 - Not Applicable
11/08/2026 05 PM PST 8.73 349 + Not Applicable
11/08/2026 06 PM PST 8.73 349 0 Not Applicable
11/08/2026 07 PM PST 8.73 349 0 Not Applicable
11/08/2026 08 PM PST 8.74 352 + Not Applicable
11/08/2026 09 PM PST 8.74 352 0 Not Applicable
11/08/2026 10 PM PST 8.72 346 - Not Applicable
11/08/2026 11 PM PST 8.73 349 + Not Applicable
11/09/2026 12 AM PST 8.73 349 0 Not Applicable
11/09/2026 01 AM PST 8.73 349 0 Not Applicable
11/09/2026 02 AM PST 8.73 349 0 Not Applicable
11/09/2026 03 AM PST 8.73 349 0 Not Applicable
11/09/2026 04 AM PST 8.72 346 - Not Applicable
11/09/2026 05 AM PST 8.72 346 0 Not Applicable
11/09/2026 06 AM PST 8.72 346 0 Not Applicable
11/09/2026 07 AM PST 8.72 346 0 Not Applicable
11/09/2026 08 AM PST 8.72 346 0 Not Applicable
11/09/2026 09 AM PST 8.72 346 0 Not Applicable
11/09/2026 10 AM PST 8.72 346 0 Not Applicable
11/09/2026 11 AM PST 8.72 346 0 Not Applicable
11/09/2026 12 PM PST 8.72 346 0 Not Applicable
11/09/2026 01 PM PST 8.72 346 0 Not Applicable
11/09/2026 02 PM PST 8.73 349 + Not Applicable
11/09/2026 03 PM PST 8.74 352 + Not Applicable
11/09/2026 04 PM PST 8.73 349 - Not Applicable
11/09/2026 05 PM PST 8.73 349 0 Not Applicable
11/09/2026 06 PM PST 8.73 349 0 Not Applicable
11/09/2026 07 PM PST 8.73 349 0 Not Applicable
11/09/2026 08 PM PST 8.73 349 0 Not Applicable
11/09/2026 09 PM PST 8.73 349 0 Not Applicable
11/09/2026 10 PM PST 8.73 349 0 Not Applicable
11/09/2026 11 PM PST 8.73 349 0 Not Applicable
11/10/2026 12 AM PST 8.73 349 0 Not Applicable
11/10/2026 01 AM PST 8.73 349 0 Not Applicable
11/10/2026 02 AM PST 8.73 349 0 Not Applicable
11/10/2026 03 AM PST 8.73 349 0 Not Applicable
11/10/2026 04 AM PST 8.72 346 - Not Applicable
11/10/2026 05 AM PST 8.72 346 0 Not Applicable
11/10/2026 06 AM PST 8.72 346 0 Not Applicable
11/10/2026 07 AM PST 8.72 346 0 Not Applicable
11/10/2026 08 AM PST 8.72 346 0 Not Applicable
11/10/2026 09 AM PST 8.72 346 0 Not Applicable
11/10/2026 10 AM PST 8.72 346 0 Not Applicable
11/10/2026 11 AM PST 8.72 346 0 Not Applicable
11/10/2026 12 PM PST 8.72 346 0 Not Applicable
11/10/2026 01 PM PST 8.73 349 + Not Applicable
11/10/2026 02 PM PST 8.74 352 + Not Applicable
11/10/2026 03 PM PST 8.74 352 0 Not Applicable
11/10/2026 04 PM PST 8.74 352 0 Not Applicable
11/10/2026 05 PM PST 8.74 352 0 Not Applicable
11/10/2026 06 PM PST 8.73 349 - Not Applicable
11/10/2026 07 PM PST 8.74 352 + Not Applicable
11/10/2026 08 PM PST 8.74 352 0 Not Applicable
11/10/2026 09 PM PST 8.73 349 - Not Applicable
11/10/2026 10 PM PST 8.74 352 + Not Applicable
11/10/2026 11 PM PST 8.73 349 - Not Applicable
11/11/2026 12 AM PST 8.73 349 0 Not Applicable
11/11/2026 01 AM PST 8.73 349 0 Not Applicable
11/11/2026 02 AM PST 8.73 349 0 Not Applicable
11/11/2026 03 AM PST 8.73 349 0 Not Applicable
11/11/2026 04 AM PST 8.73 349 0 Not Applicable
11/11/2026 05 AM PST 8.73 349 0 Not Applicable
11/11/2026 06 AM PST 8.73 349 0 Not Applicable
11/11/2026 07 AM PST 8.72 346 - Not Applicable
11/11/2026 08 AM PST 8.73 349 + Not Applicable
11/11/2026 09 AM PST 8.72 346 - Not Applicable
11/11/2026 10 AM PST 8.73 349 + Not Applicable
11/11/2026 11 AM PST 8.74 352 + Not Applicable
11/11/2026 12 PM PST 8.74 352 0 Not Applicable
11/11/2026 01 PM PST 8.74 352 0 Not Applicable
11/11/2026 02 PM PST 8.74 352 0 Not Applicable
11/11/2026 03 PM PST 8.74 352 0 Not Applicable
11/11/2026 04 PM PST 8.74 352 0 Not Applicable
11/11/2026 05 PM PST 8.74 352 0 Not Applicable
11/11/2026 06 PM PST 8.74 352 0 Not Applicable
11/11/2026 07 PM PST 8.74 352 0 Not Applicable
11/11/2026 08 PM PST 8.74 352 0 Not Applicable
11/11/2026 09 PM PST 8.74 352 0 Not Applicable
11/11/2026 10 PM PST 8.74 352 0 Not Applicable
11/11/2026 11 PM PST 8.74 352 0 Not Applicable
11/12/2026 12 AM PST 8.74 352 0 Not Applicable
11/12/2026 01 AM PST 8.74 352 0 Not Applicable
11/12/2026 02 AM PST 8.74 352 0 Not Applicable
11/12/2026 03 AM PST 8.74 352 0 Not Applicable
11/12/2026 04 AM PST 8.73 349 - Not Applicable
11/12/2026 05 AM PST 8.73 349 0 Not Applicable
11/12/2026 06 AM PST 8.72 346 - Not Applicable
11/12/2026 07 AM PST 8.72 346 0 Not Applicable
11/12/2026 08 AM PST 8.72 346 0 Not Applicable
11/12/2026 09 AM PST 8.72 346 0 Not Applicable
11/12/2026 10 AM PST 8.72 346 0 Not Applicable
11/12/2026 11 AM PST 8.74 352 + Not Applicable
11/12/2026 12 PM PST 8.74 352 0 Not Applicable
11/12/2026 01 PM PST 8.74 352 0 Not Applicable
11/12/2026 02 PM PST 8.74 352 0 Not Applicable
11/12/2026 03 PM PST 8.74 352 0 Not Applicable
11/12/2026 04 PM PST 8.75 356 + Not Applicable
11/12/2026 05 PM PST 8.74 352 - Not Applicable
11/12/2026 06 PM PST 8.75 356 + Not Applicable
11/12/2026 07 PM PST 8.74 352 - Not Applicable
11/12/2026 08 PM PST 8.75 356 + Not Applicable
11/12/2026 09 PM PST 8.75 356 0 Not Applicable
11/12/2026 10 PM PST 8.75 356 0 Not Applicable
11/12/2026 11 PM PST 8.74 352 - Not Applicable
11/13/2026 12 AM PST 8.74 352 0 Not Applicable
11/13/2026 01 AM PST 8.74 352 0 Not Applicable
11/13/2026 02 AM PST 8.74 352 0 Not Applicable
11/13/2026 03 AM PST 8.74 352 0 Not Applicable
11/13/2026 04 AM PST 8.73 349 - Not Applicable
11/13/2026 05 AM PST 8.73 349 0 Not Applicable
11/13/2026 06 AM PST 8.73 349 0 Not Applicable
11/13/2026 07 AM PST 8.74 352 + Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/13/2026 08 AM PST 8.75 356 Not Applicable
11/13/2026 09 AM PST 8.78 366 + Not Applicable
11/13/2026 10 AM PST 8.81 377 + Not Applicable
11/13/2026 11 AM PST 8.86 395 + Not Applicable
11/13/2026 12 PM PST 8.91 413 + Not Applicable
11/13/2026 01 PM PST 8.97 436 + Not Applicable
11/13/2026 02 PM PST 9.04 463 + Not Applicable
11/13/2026 03 PM PST 9.11 490 + Not Applicable
11/13/2026 04 PM PST 9.17 514 + Not Applicable
11/13/2026 05 PM PST 9.21 531 + Not Applicable
11/13/2026 06 PM PST 9.24 543 + Not Applicable
11/13/2026 07 PM PST 9.26 551 + Not Applicable
11/13/2026 08 PM PST 9.27 556 + Not Applicable
11/13/2026 09 PM PST 9.27 556 0 Not Applicable
11/13/2026 10 PM PST 9.26 551 - Not Applicable
11/13/2026 11 PM PST 9.25 547 - Not Applicable
11/14/2026 12 AM PST 9.24 543 - Not Applicable
11/14/2026 01 AM PST 9.22 535 - Not Applicable
11/14/2026 02 AM PST 9.20 526 - Not Applicable
11/14/2026 03 AM PST 9.18 518 - Not Applicable
11/14/2026 04 AM PST 9.16 510 - Not Applicable
11/14/2026 05 AM PST 9.13 498 - Not Applicable
11/14/2026 06 AM PST 9.11 490 - Not Applicable
11/14/2026 07 AM PST 9.09 482 - Not Applicable
11/14/2026 08 AM PST 9.07 474 - Not Applicable
11/14/2026 09 AM PST 9.05 466 - Not Applicable
11/14/2026 10 AM PST 9.03 459 - Not Applicable
11/14/2026 11 AM PST 9.01 451 - Not Applicable
11/14/2026 12 PM PST 8.99 443 - Not Applicable
11/14/2026 01 PM PST 8.97 436 - Not Applicable
11/14/2026 02 PM PST 8.96 432 - Not Applicable
11/14/2026 03 PM PST 8.94 424 - Not Applicable
11/14/2026 04 PM PST 8.93 421 - Not Applicable
11/14/2026 05 PM PST 8.91 413 - Not Applicable
11/14/2026 06 PM PST 8.90 410 - Not Applicable
11/14/2026 07 PM PST 8.89 406 - Not Applicable
11/14/2026 08 PM PST 8.88 402 - Not Applicable
11/14/2026 09 PM PST 8.87 399 - Not Applicable
11/14/2026 10 PM PST 8.86 395 - Not Applicable
11/14/2026 11 PM PST 8.85 391 - Not Applicable
11/15/2026 12 AM PST 8.84 388 - Not Applicable
11/15/2026 01 AM PST 8.84 388 0 Not Applicable
11/15/2026 02 AM PST 8.83 384 - Not Applicable
11/15/2026 03 AM PST 8.83 384 0 Not Applicable
11/15/2026 04 AM PST 8.83 384 0 Not Applicable
11/15/2026 05 AM PST 8.84 388 + Not Applicable
11/15/2026 06 AM PST 8.85 391 + Not Applicable
11/15/2026 07 AM PST 8.87 399 + Not Applicable
11/15/2026 08 AM PST 8.90 410 + Not Applicable
11/15/2026 09 AM PST 8.94 424 + Not Applicable
11/15/2026 10 AM PST 8.98 440 + Not Applicable
11/15/2026 11 AM PST 9.03 459 + Not Applicable
11/15/2026 12 PM PST 9.08 478 + Not Applicable
11/15/2026 01 PM PST 9.14 502 + Not Applicable
11/15/2026 02 PM PST 9.20 526 + Not Applicable
11/15/2026 03 PM PST 9.26 551 + Not Applicable
11/15/2026 04 PM PST 9.31 572 + Not Applicable
11/15/2026 05 PM PST 9.36 594 + Not Applicable
11/15/2026 06 PM PST 9.39 607 + Not Applicable
11/15/2026 07 PM PST 9.41 616 + Not Applicable
11/15/2026 08 PM PST 9.41 616 0 Not Applicable
11/15/2026 09 PM PST 9.41 616 0 Not Applicable
11/15/2026 10 PM PST 9.40 611 - Not Applicable
11/15/2026 11 PM PST 9.39 607 - Not Applicable
11/16/2026 12 AM PST 9.38 603 - Not Applicable
11/16/2026 01 AM PST 9.35 590 - Not Applicable
11/16/2026 02 AM PST 9.33 581 - Not Applicable
11/16/2026 03 AM PST 9.30 568 - Not Applicable
11/16/2026 04 AM PST 9.27 556 - Not Applicable
11/16/2026 05 AM PST 9.24 543 - Not Applicable
11/16/2026 06 AM PST 9.22 535 - Not Applicable
11/16/2026 07 AM PST 9.19 522 - Not Applicable
11/16/2026 08 AM PST 9.17 514 - Not Applicable
11/16/2026 09 AM PST 9.15 506 - Not Applicable
11/16/2026 10 AM PST 9.12 494 - Not Applicable
11/16/2026 11 AM PST 9.11 490 - Not Applicable
11/16/2026 12 PM PST 9.09 482 - Not Applicable
11/16/2026 01 PM PST 9.07 474 - Not Applicable
11/16/2026 02 PM PST 9.05 466 - Not Applicable
11/16/2026 03 PM PST 9.03 459 - Not Applicable
11/16/2026 04 PM PST 9.02 455 - Not Applicable
11/16/2026 05 PM PST 9.00 447 - Not Applicable
11/16/2026 06 PM PST 8.98 440 - Not Applicable
11/16/2026 07 PM PST 8.97 436 - Not Applicable
11/16/2026 08 PM PST 8.96 432 - Not Applicable
11/16/2026 09 PM PST 8.94 424 - Not Applicable
11/16/2026 10 PM PST 8.93 421 - Not Applicable
11/16/2026 11 PM PST 8.91 413 - Not Applicable
11/17/2026 12 AM PST 8.90 410 - Not Applicable
11/17/2026 01 AM PST 8.89 406 - Not Applicable
11/17/2026 02 AM PST 8.87 399 - Not Applicable
11/17/2026 03 AM PST 8.86 395 - Not Applicable
11/17/2026 04 AM PST 8.85 391 - Not Applicable
11/17/2026 05 AM PST 8.84 388 - Not Applicable
11/17/2026 06 AM PST 8.83 384 - Not Applicable
11/17/2026 07 AM PST 8.82 381 - Not Applicable
11/17/2026 08 AM PST 8.81 377 - Not Applicable
11/17/2026 09 AM PST 8.80 373 - Not Applicable
11/17/2026 10 AM PST 8.80 373 0 Not Applicable
11/17/2026 11 AM PST 8.79 370 - Not Applicable
11/17/2026 12 PM PST 8.78 366 - Not Applicable
11/17/2026 01 PM PST 8.78 366 0 Not Applicable
11/17/2026 02 PM PST 8.78 366 0 Not Applicable
11/17/2026 03 PM PST 8.77 363 - Not Applicable
11/17/2026 04 PM PST 8.77 363 0 Not Applicable
11/17/2026 05 PM PST 8.77 363 0 Not Applicable
11/17/2026 06 PM PST 8.76 359 - Not Applicable
11/17/2026 07 PM PST 8.76 359 0 Not Applicable
11/17/2026 08 PM PST 8.76 359 0 Not Applicable
11/17/2026 09 PM PST 8.76 359 0 Not Applicable
11/17/2026 10 PM PST 8.76 359 0 Not Applicable
11/17/2026 11 PM PST 8.76 359 0 Not Applicable
11/18/2026 12 AM PST 8.77 363 + Not Applicable
11/18/2026 01 AM PST 8.77 363 0 Not Applicable
11/18/2026 02 AM PST 8.79 370 + Not Applicable
11/18/2026 03 AM PST 8.81 377 + Not Applicable
11/18/2026 04 AM PST 8.84 388 + Not Applicable
#
# 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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