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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 01 2026 at 8:52 AM PST | Next Issuance: | Nov 02 2026 at 9:00 AM 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: 11/01/2026 at 08:54 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 10/31/2026 at 09:00 PM PDT
# Maximum Observed Stage: 8.75 Feet
# Maximum Observed Flow: 356 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/03/2026 at 09:00 PM PST
# Maximum Forecast Stage: 8.84 Feet
# Maximum Forecast Flow: 388 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
10/27/2026 09 AM PDT 8.69 335 Not Applicable
10/27/2026 10 AM PDT 8.69 335 0 Not Applicable
10/27/2026 11 AM PDT 8.70 339 + Not Applicable
10/27/2026 12 PM PDT 8.70 339 0 Not Applicable
10/27/2026 01 PM PDT 8.70 339 0 Not Applicable
10/27/2026 02 PM PDT 8.70 339 0 Not Applicable
10/27/2026 03 PM PDT 8.71 342 + Not Applicable
10/27/2026 04 PM PDT 8.72 346 + Not Applicable
10/27/2026 05 PM PDT 8.71 342 - Not Applicable
10/27/2026 06 PM PDT 8.70 339 - Not Applicable
10/27/2026 07 PM PDT 8.70 339 0 Not Applicable
10/27/2026 08 PM PDT 8.70 339 0 Not Applicable
10/27/2026 09 PM PDT 8.70 339 0 Not Applicable
10/27/2026 10 PM PDT 8.71 342 + Not Applicable
10/27/2026 11 PM PDT 8.70 339 - Not Applicable
10/28/2026 12 AM PDT 8.70 339 0 Not Applicable
10/28/2026 01 AM PDT 8.70 339 0 Not Applicable
10/28/2026 02 AM PDT 8.70 339 0 Not Applicable
10/28/2026 03 AM PDT 8.70 339 0 Not Applicable
10/28/2026 04 AM PDT 8.70 339 0 Not Applicable
10/28/2026 05 AM PDT 8.69 335 - Not Applicable
10/28/2026 06 AM PDT 8.69 335 0 Not Applicable
10/28/2026 07 AM PDT 8.69 335 0 Not Applicable
10/28/2026 08 AM PDT 8.69 335 0 Not Applicable
10/28/2026 09 AM PDT 8.70 339 + Not Applicable
10/28/2026 10 AM PDT 8.69 335 - Not Applicable
10/28/2026 11 AM PDT 8.70 339 + Not Applicable
10/28/2026 12 PM PDT 8.69 335 - Not Applicable
10/28/2026 01 PM PDT 8.70 339 + Not Applicable
10/28/2026 02 PM PDT 8.71 342 + Not Applicable
10/28/2026 03 PM PDT 8.71 342 0 Not Applicable
10/28/2026 04 PM PDT 8.72 346 + Not Applicable
10/28/2026 05 PM PDT 8.71 342 - Not Applicable
10/28/2026 06 PM PDT 8.71 342 0 Not Applicable
10/28/2026 07 PM PDT 8.71 342 0 Not Applicable
10/28/2026 08 PM PDT 8.71 342 0 Not Applicable
10/28/2026 09 PM PDT 8.70 339 - Not Applicable
10/28/2026 10 PM PDT 8.71 342 + Not Applicable
10/28/2026 11 PM PDT 8.71 342 0 Not Applicable
10/29/2026 12 AM PDT 8.70 339 - Not Applicable
10/29/2026 01 AM PDT 8.71 342 + Not Applicable
10/29/2026 02 AM PDT 8.71 342 0 Not Applicable
10/29/2026 03 AM PDT 8.70 339 - Not Applicable
10/29/2026 04 AM PDT 8.70 339 0 Not Applicable
10/29/2026 05 AM PDT 8.70 339 0 Not Applicable
10/29/2026 06 AM PDT 8.70 339 0 Not Applicable
10/29/2026 07 AM PDT 8.69 335 - Not Applicable
10/29/2026 08 AM PDT 8.69 335 0 Not Applicable
10/29/2026 09 AM PDT 8.70 339 + Not Applicable
10/29/2026 10 AM PDT 8.70 339 0 Not Applicable
10/29/2026 11 AM PDT 8.70 339 0 Not Applicable
10/29/2026 12 PM PDT 8.70 339 0 Not Applicable
10/29/2026 01 PM PDT 8.70 339 0 Not Applicable
10/29/2026 02 PM PDT 8.71 342 + Not Applicable
10/29/2026 03 PM PDT 8.71 342 0 Not Applicable
10/29/2026 04 PM PDT 8.72 346 + Not Applicable
10/29/2026 05 PM PDT 8.71 342 - Not Applicable
10/29/2026 06 PM PDT 8.72 346 + Not Applicable
10/29/2026 07 PM PDT 8.71 342 - Not Applicable
10/29/2026 08 PM PDT 8.72 346 + Not Applicable
10/29/2026 09 PM PDT 8.71 342 - Not Applicable
10/29/2026 10 PM PDT 8.72 346 + Not Applicable
10/29/2026 11 PM PDT 8.72 346 0 Not Applicable
10/30/2026 12 AM PDT 8.72 346 0 Not Applicable
10/30/2026 01 AM PDT 8.72 346 0 Not Applicable
10/30/2026 02 AM PDT 8.73 349 + Not Applicable
10/30/2026 03 AM PDT 8.72 346 - Not Applicable
10/30/2026 04 AM PDT 8.72 346 0 Not Applicable
10/30/2026 05 AM PDT 8.72 346 0 Not Applicable
10/30/2026 06 AM PDT 8.71 342 - Not Applicable
10/30/2026 07 AM PDT 8.71 342 0 Not Applicable
10/30/2026 08 AM PDT 8.71 342 0 Not Applicable
10/30/2026 09 AM PDT 8.71 342 0 Not Applicable
10/30/2026 10 AM PDT 8.71 342 0 Not Applicable
10/30/2026 11 AM PDT 8.71 342 0 Not Applicable
10/30/2026 12 PM PDT 8.71 342 0 Not Applicable
10/30/2026 01 PM PDT 8.72 346 + Not Applicable
10/30/2026 02 PM PDT 8.72 346 0 Not Applicable
10/30/2026 03 PM PDT 8.72 346 0 Not Applicable
10/30/2026 04 PM PDT 8.72 346 0 Not Applicable
10/30/2026 05 PM PDT 8.71 342 - Not Applicable
10/30/2026 06 PM PDT 8.71 342 0 Not Applicable
10/30/2026 07 PM PDT 8.71 342 0 Not Applicable
10/30/2026 08 PM PDT 8.71 342 0 Not Applicable
10/30/2026 09 PM PDT 8.71 342 0 Not Applicable
10/30/2026 10 PM PDT 8.71 342 0 Not Applicable
10/30/2026 11 PM PDT 8.71 342 0 Not Applicable
10/31/2026 12 AM PDT 8.71 342 0 Not Applicable
10/31/2026 01 AM PDT 8.72 346 + Not Applicable
10/31/2026 02 AM PDT 8.71 342 - Not Applicable
10/31/2026 03 AM PDT 8.71 342 0 Not Applicable
10/31/2026 04 AM PDT 8.71 342 0 Not Applicable
10/31/2026 05 AM PDT 8.71 342 0 Not Applicable
10/31/2026 06 AM PDT 8.71 342 0 Not Applicable
10/31/2026 07 AM PDT 8.71 342 0 Not Applicable
10/31/2026 08 AM PDT 8.71 342 0 Not Applicable
10/31/2026 09 AM PDT 8.71 342 0 Not Applicable
10/31/2026 10 AM PDT 8.70 339 - Not Applicable
10/31/2026 11 AM PDT 8.71 342 + Not Applicable
10/31/2026 12 PM PDT 8.71 342 0 Not Applicable
10/31/2026 01 PM PDT 8.71 342 0 Not Applicable
10/31/2026 02 PM PDT 8.71 342 0 Not Applicable
10/31/2026 03 PM PDT 8.71 342 0 Not Applicable
10/31/2026 04 PM PDT 8.71 342 0 Not Applicable
10/31/2026 05 PM PDT 8.71 342 0 Not Applicable
10/31/2026 06 PM PDT 8.71 342 0 Not Applicable
10/31/2026 07 PM PDT 8.73 349 + Not Applicable
10/31/2026 08 PM PDT 8.74 352 + Not Applicable
10/31/2026 09 PM PDT 8.75 356 + Not Applicable
10/31/2026 10 PM PDT 8.73 349 - Not Applicable
10/31/2026 11 PM PDT 8.73 349 0 Not Applicable
11/01/2026 12 AM PDT 8.73 349 0 Not Applicable
11/01/2026 01 AM PDT 8.72 346 - Not Applicable
11/01/2026 01 AM PST 8.72 346 0 Not Applicable
11/01/2026 02 AM PST 8.72 346 0 Not Applicable
11/01/2026 03 AM PST 8.71 342 - Not Applicable
11/01/2026 04 AM PST 8.71 342 0 Not Applicable
11/01/2026 05 AM PST 8.71 342 0 Not Applicable
11/01/2026 06 AM PST 8.71 342 0 Not Applicable
11/01/2026 07 AM PST 8.71 342 0 Not Applicable
11/01/2026 08 AM PST 8.71 342 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/01/2026 09 AM PST 8.71 342 Not Applicable
11/01/2026 10 AM PST 8.70 339 - Not Applicable
11/01/2026 11 AM PST 8.70 339 0 Not Applicable
11/01/2026 12 PM PST 8.70 339 0 Not Applicable
11/01/2026 01 PM PST 8.69 335 - Not Applicable
11/01/2026 02 PM PST 8.69 335 0 Not Applicable
11/01/2026 03 PM PST 8.69 335 0 Not Applicable
11/01/2026 04 PM PST 8.69 335 0 Not Applicable
11/01/2026 05 PM PST 8.69 335 0 Not Applicable
11/01/2026 06 PM PST 8.69 335 0 Not Applicable
11/01/2026 07 PM PST 8.69 335 0 Not Applicable
11/01/2026 08 PM PST 8.69 335 0 Not Applicable
11/01/2026 09 PM PST 8.69 335 0 Not Applicable
11/01/2026 10 PM PST 8.69 335 0 Not Applicable
11/01/2026 11 PM PST 8.69 335 0 Not Applicable
11/02/2026 12 AM PST 8.69 335 0 Not Applicable
11/02/2026 01 AM PST 8.69 335 0 Not Applicable
11/02/2026 02 AM PST 8.69 335 0 Not Applicable
11/02/2026 03 AM PST 8.69 335 0 Not Applicable
11/02/2026 04 AM PST 8.68 332 - Not Applicable
11/02/2026 05 AM PST 8.68 332 0 Not Applicable
11/02/2026 06 AM PST 8.68 332 0 Not Applicable
11/02/2026 07 AM PST 8.68 332 0 Not Applicable
11/02/2026 08 AM PST 8.68 332 0 Not Applicable
11/02/2026 09 AM PST 8.68 332 0 Not Applicable
11/02/2026 10 AM PST 8.68 332 0 Not Applicable
11/02/2026 11 AM PST 8.68 332 0 Not Applicable
11/02/2026 12 PM PST 8.68 332 0 Not Applicable
11/02/2026 01 PM PST 8.68 332 0 Not Applicable
11/02/2026 02 PM PST 8.68 332 0 Not Applicable
11/02/2026 03 PM PST 8.68 332 0 Not Applicable
11/02/2026 04 PM PST 8.68 332 0 Not Applicable
11/02/2026 05 PM PST 8.68 332 0 Not Applicable
11/02/2026 06 PM PST 8.68 332 0 Not Applicable
11/02/2026 07 PM PST 8.68 332 0 Not Applicable
11/02/2026 08 PM PST 8.68 332 0 Not Applicable
11/02/2026 09 PM PST 8.68 332 0 Not Applicable
11/02/2026 10 PM PST 8.68 332 0 Not Applicable
11/02/2026 11 PM PST 8.68 332 0 Not Applicable
11/03/2026 12 AM PST 8.68 332 0 Not Applicable
11/03/2026 01 AM PST 8.68 332 0 Not Applicable
11/03/2026 02 AM PST 8.68 332 0 Not Applicable
11/03/2026 03 AM PST 8.68 332 0 Not Applicable
11/03/2026 04 AM PST 8.68 332 0 Not Applicable
11/03/2026 05 AM PST 8.68 332 0 Not Applicable
11/03/2026 06 AM PST 8.68 332 0 Not Applicable
11/03/2026 07 AM PST 8.68 332 0 Not Applicable
11/03/2026 08 AM PST 8.68 332 0 Not Applicable
11/03/2026 09 AM PST 8.69 335 + Not Applicable
11/03/2026 10 AM PST 8.69 335 0 Not Applicable
11/03/2026 11 AM PST 8.70 339 + Not Applicable
11/03/2026 12 PM PST 8.71 342 + Not Applicable
11/03/2026 01 PM PST 8.72 346 + Not Applicable
11/03/2026 02 PM PST 8.74 352 + Not Applicable
11/03/2026 03 PM PST 8.76 359 + Not Applicable
11/03/2026 04 PM PST 8.78 366 + Not Applicable
11/03/2026 05 PM PST 8.79 370 + Not Applicable
11/03/2026 06 PM PST 8.81 377 + Not Applicable
11/03/2026 07 PM PST 8.82 381 + Not Applicable
11/03/2026 08 PM PST 8.83 384 + Not Applicable
11/03/2026 09 PM PST 8.84 388 + Not Applicable
11/03/2026 10 PM PST 8.84 388 0 Not Applicable
11/03/2026 11 PM PST 8.84 388 0 Not Applicable
11/04/2026 12 AM PST 8.84 388 0 Not Applicable
11/04/2026 01 AM PST 8.83 384 - Not Applicable
11/04/2026 02 AM PST 8.82 381 - Not Applicable
11/04/2026 03 AM PST 8.81 377 - Not Applicable
11/04/2026 04 AM PST 8.80 373 - Not Applicable
11/04/2026 05 AM PST 8.79 370 - Not Applicable
11/04/2026 06 AM PST 8.78 366 - Not Applicable
11/04/2026 07 AM PST 8.77 363 - Not Applicable
11/04/2026 08 AM PST 8.76 359 - Not Applicable
11/04/2026 09 AM PST 8.75 356 - Not Applicable
11/04/2026 10 AM PST 8.75 356 0 Not Applicable
11/04/2026 11 AM PST 8.74 352 - Not Applicable
11/04/2026 12 PM PST 8.74 352 0 Not Applicable
11/04/2026 01 PM PST 8.73 349 - Not Applicable
11/04/2026 02 PM PST 8.73 349 0 Not Applicable
11/04/2026 03 PM PST 8.73 349 0 Not Applicable
11/04/2026 04 PM PST 8.72 346 - Not Applicable
11/04/2026 05 PM PST 8.72 346 0 Not Applicable
11/04/2026 06 PM PST 8.72 346 0 Not Applicable
11/04/2026 07 PM PST 8.71 342 - Not Applicable
11/04/2026 08 PM PST 8.71 342 0 Not Applicable
11/04/2026 09 PM PST 8.71 342 0 Not Applicable
11/04/2026 10 PM PST 8.71 342 0 Not Applicable
11/04/2026 11 PM PST 8.70 339 - Not Applicable
11/05/2026 12 AM PST 8.70 339 0 Not Applicable
11/05/2026 01 AM PST 8.70 339 0 Not Applicable
11/05/2026 02 AM PST 8.70 339 0 Not Applicable
11/05/2026 03 AM PST 8.70 339 0 Not Applicable
11/05/2026 04 AM PST 8.69 335 - Not Applicable
11/05/2026 05 AM PST 8.69 335 0 Not Applicable
11/05/2026 06 AM PST 8.69 335 0 Not Applicable
11/05/2026 07 AM PST 8.69 335 0 Not Applicable
11/05/2026 08 AM PST 8.69 335 0 Not Applicable
11/05/2026 09 AM PST 8.68 332 - Not Applicable
11/05/2026 10 AM PST 8.68 332 0 Not Applicable
11/05/2026 11 AM PST 8.68 332 0 Not Applicable
11/05/2026 12 PM PST 8.68 332 0 Not Applicable
11/05/2026 01 PM PST 8.68 332 0 Not Applicable
11/05/2026 02 PM PST 8.68 332 0 Not Applicable
11/05/2026 03 PM PST 8.68 332 0 Not Applicable
11/05/2026 04 PM PST 8.68 332 0 Not Applicable
11/05/2026 05 PM PST 8.68 332 0 Not Applicable
11/05/2026 06 PM PST 8.68 332 0 Not Applicable
11/05/2026 07 PM PST 8.68 332 0 Not Applicable
11/05/2026 08 PM PST 8.68 332 0 Not Applicable
11/05/2026 09 PM PST 8.68 332 0 Not Applicable
11/05/2026 10 PM PST 8.68 332 0 Not Applicable
11/05/2026 11 PM PST 8.68 332 0 Not Applicable
11/06/2026 12 AM PST 8.68 332 0 Not Applicable
11/06/2026 01 AM PST 8.68 332 0 Not Applicable
11/06/2026 02 AM PST 8.68 332 0 Not Applicable
11/06/2026 03 AM PST 8.68 332 0 Not Applicable
11/06/2026 04 AM PST 8.68 332 0 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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