TRINITY RIVER - ABOVE NORTH FORK TRINITY RIVER NEAR HELENA (TRNC1)
Latitude: 40.77º NLongitude: 123.11º WElevation: 1380 FeetForecast Type: Unofficial Location
Location: Trinity County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 06 2026 at 7:21 AM PDTNext Issuance: Jun 07 2026 at 9:00 AM PDT
Action/Monitor: 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:  06/06/2026 at 07:23 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/01/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       10.34 Feet
# Maximum Observed Flow:                        1064 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/09/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       10.21 Feet
# Maximum Forecast Flow:                        993 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/01/2026 07 AM PDT           10.31           1047                Not Applicable
  06/01/2026 08 AM PDT           10.29           1036         -      Not Applicable
  06/01/2026 09 AM PDT           10.29           1036         0      Not Applicable
  06/01/2026 10 AM PDT           10.31           1047         +      Not Applicable
  06/01/2026 11 AM PDT           10.33           1058         +      Not Applicable
  06/01/2026 12 PM PDT           10.32           1053         -      Not Applicable
  06/01/2026 01 PM PDT           10.32           1053         0      Not Applicable
  06/01/2026 02 PM PDT           10.33           1058         +      Not Applicable
  06/01/2026 03 PM PDT           10.32           1053         -      Not Applicable
  06/01/2026 04 PM PDT           10.34           1064         +      Not Applicable
  06/01/2026 05 PM PDT           10.32           1053         -      Not Applicable
  06/01/2026 06 PM PDT           10.33           1058         +      Not Applicable
  06/01/2026 07 PM PDT           10.33           1058         0      Not Applicable
  06/01/2026 08 PM PDT           10.31           1047         -      Not Applicable
  06/01/2026 09 PM PDT           10.32           1053         +      Not Applicable
  06/01/2026 10 PM PDT           10.32           1053         0      Not Applicable
  06/01/2026 11 PM PDT           10.30           1042         -      Not Applicable
  06/02/2026 12 AM PDT           10.31           1047         +      Not Applicable
  06/02/2026 01 AM PDT           10.31           1047         0      Not Applicable
  06/02/2026 02 AM PDT           10.28           1031         -      Not Applicable
  06/02/2026 03 AM PDT           10.28           1031         0      Not Applicable
  06/02/2026 04 AM PDT           10.27           1025         -      Not Applicable
  06/02/2026 05 AM PDT           10.28           1031         +      Not Applicable
  06/02/2026 06 AM PDT           10.28           1031         0      Not Applicable
  06/02/2026 07 AM PDT           10.27           1025         -      Not Applicable
  06/02/2026 08 AM PDT           10.28           1031         +      Not Applicable
  06/02/2026 09 AM PDT           10.28           1031         0      Not Applicable
  06/02/2026 10 AM PDT           10.30           1042         +      Not Applicable
  06/02/2026 11 AM PDT           10.31           1047         +      Not Applicable
  06/02/2026 12 PM PDT           10.31           1047         0      Not Applicable
  06/02/2026 01 PM PDT           10.30           1042         -      Not Applicable
  06/02/2026 02 PM PDT           10.31           1047         +      Not Applicable
  06/02/2026 03 PM PDT           10.30           1042         -      Not Applicable
  06/02/2026 04 PM PDT           10.29           1036         -      Not Applicable
  06/02/2026 05 PM PDT           10.29           1036         0      Not Applicable
  06/02/2026 06 PM PDT           10.29           1036         0      Not Applicable
  06/02/2026 07 PM PDT           10.28           1031         -      Not Applicable
  06/02/2026 08 PM PDT           10.27           1025         -      Not Applicable
  06/02/2026 09 PM PDT           10.28           1031         +      Not Applicable
  06/02/2026 10 PM PDT           10.27           1025         -      Not Applicable
  06/02/2026 11 PM PDT           10.26           1020         -      Not Applicable
  06/03/2026 12 AM PDT           10.26           1020         0      Not Applicable
  06/03/2026 01 AM PDT           10.28           1031         +      Not Applicable
  06/03/2026 02 AM PDT           10.26           1020         -      Not Applicable
  06/03/2026 03 AM PDT           10.28           1031         +      Not Applicable
  06/03/2026 04 AM PDT           10.28           1031         0      Not Applicable
  06/03/2026 05 AM PDT           10.29           1036         +      Not Applicable
  06/03/2026 06 AM PDT           10.27           1025         -      Not Applicable
  06/03/2026 07 AM PDT           10.30           1042         +      Not Applicable
  06/03/2026 08 AM PDT           10.31           1047         +      Not Applicable
  06/03/2026 09 AM PDT           10.31           1047         0      Not Applicable
  06/03/2026 10 AM PDT           10.30           1042         -      Not Applicable
  06/03/2026 11 AM PDT           10.30           1042         0      Not Applicable
  06/03/2026 12 PM PDT           10.30           1042         0      Not Applicable
  06/03/2026 01 PM PDT           10.30           1042         0      Not Applicable
  06/03/2026 02 PM PDT           10.30           1042         0      Not Applicable
  06/03/2026 03 PM PDT           10.29           1036         -      Not Applicable
  06/03/2026 04 PM PDT           10.29           1036         0      Not Applicable
  06/03/2026 05 PM PDT           10.29           1036         0      Not Applicable
  06/03/2026 06 PM PDT           10.29           1036         0      Not Applicable
  06/03/2026 07 PM PDT           10.28           1031         -      Not Applicable
  06/03/2026 08 PM PDT           10.28           1031         0      Not Applicable
  06/03/2026 09 PM PDT           10.28           1031         0      Not Applicable
  06/03/2026 10 PM PDT           10.25           1014         -      Not Applicable
  06/03/2026 11 PM PDT           10.25           1014         0      Not Applicable
  06/04/2026 12 AM PDT           10.24           1009         -      Not Applicable
  06/04/2026 01 AM PDT           10.24           1009         0      Not Applicable
  06/04/2026 02 AM PDT           10.24           1009         0      Not Applicable
  06/04/2026 03 AM PDT           10.24           1009         0      Not Applicable
  06/04/2026 04 AM PDT           10.23           1004         -      Not Applicable
  06/04/2026 05 AM PDT           10.25           1014         +      Not Applicable
  06/04/2026 06 AM PDT           10.25           1014         0      Not Applicable
  06/04/2026 07 AM PDT           10.24           1009         -      Not Applicable
  06/04/2026 08 AM PDT           10.25           1014         +      Not Applicable
  06/04/2026 09 AM PDT           10.27           1025         +      Not Applicable
  06/04/2026 10 AM PDT           10.27           1025         0      Not Applicable
  06/04/2026 11 AM PDT           10.26           1020         -      Not Applicable
  06/04/2026 12 PM PDT           10.25           1014         -      Not Applicable
  06/04/2026 01 PM PDT           10.25           1014         0      Not Applicable
  06/04/2026 02 PM PDT           10.23           1004         -      Not Applicable
  06/04/2026 03 PM PDT           10.23           1004         0      Not Applicable
  06/04/2026 04 PM PDT           10.23           1004         0      Not Applicable
  06/04/2026 05 PM PDT           10.24           1009         +      Not Applicable
  06/04/2026 06 PM PDT           10.23           1004         -      Not Applicable
  06/04/2026 07 PM PDT           10.22            998         -      Not Applicable
  06/04/2026 08 PM PDT           10.21            993         -      Not Applicable
  06/04/2026 09 PM PDT           10.21            993         0      Not Applicable
  06/04/2026 10 PM PDT           10.20            987         -      Not Applicable
  06/04/2026 11 PM PDT           10.20            987         0      Not Applicable
  06/05/2026 12 AM PDT           10.19            982         -      Not Applicable
  06/05/2026 01 AM PDT           10.18            977         -      Not Applicable
  06/05/2026 02 AM PDT           10.19            982         +      Not Applicable
  06/05/2026 03 AM PDT           10.17            971         -      Not Applicable
  06/05/2026 04 AM PDT           10.18            977         +      Not Applicable
  06/05/2026 05 AM PDT           10.18            977         0      Not Applicable
  06/05/2026 06 AM PDT           10.17            971         -      Not Applicable
  06/05/2026 07 AM PDT           10.19            982         +      Not Applicable
  06/05/2026 08 AM PDT           10.18            977         -      Not Applicable
  06/05/2026 09 AM PDT           10.19            982         +      Not Applicable
  06/05/2026 10 AM PDT           10.20            987         +      Not Applicable
  06/05/2026 11 AM PDT           10.20            987         0      Not Applicable
  06/05/2026 12 PM PDT           10.20            987         0      Not Applicable
  06/05/2026 01 PM PDT           10.20            987         0      Not Applicable
  06/05/2026 02 PM PDT           10.21            993         +      Not Applicable
  06/05/2026 03 PM PDT           10.20            987         -      Not Applicable
  06/05/2026 04 PM PDT           10.20            987         0      Not Applicable
  06/05/2026 05 PM PDT           10.20            987         0      Not Applicable
  06/05/2026 06 PM PDT           10.19            982         -      Not Applicable
  06/05/2026 07 PM PDT           10.19            982         0      Not Applicable
  06/05/2026 08 PM PDT           10.18            977         -      Not Applicable
  06/05/2026 09 PM PDT           10.17            971         -      Not Applicable
  06/05/2026 10 PM PDT           10.18            977         +      Not Applicable
  06/05/2026 11 PM PDT           10.18            977         0      Not Applicable
  06/06/2026 12 AM PDT           10.18            977         0      Not Applicable
  06/06/2026 01 AM PDT           10.17            971         -      Not Applicable
  06/06/2026 02 AM PDT           10.16            966         -      Not Applicable
  06/06/2026 03 AM PDT           10.17            971         +      Not Applicable
  06/06/2026 04 AM PDT           10.17            971         0      Not Applicable
  06/06/2026 05 AM PDT           10.16            966         -      Not Applicable
  06/06/2026 06 AM PDT           10.16            966         0      Not Applicable
  06/06/2026 07 AM PDT           10.17            971         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/06/2026 08 AM PDT           10.17            971                Not Applicable
  06/06/2026 09 AM PDT           10.17            971         0      Not Applicable
  06/06/2026 10 AM PDT           10.17            971         0      Not Applicable
  06/06/2026 11 AM PDT           10.17            971         0      Not Applicable
  06/06/2026 12 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 01 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 02 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 03 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 04 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 05 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 06 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 07 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 08 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 09 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 10 PM PDT           10.17            971         0      Not Applicable
  06/06/2026 11 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 12 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 01 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 02 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 03 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 04 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 05 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 06 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 07 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 08 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 09 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 10 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 11 AM PDT           10.17            971         0      Not Applicable
  06/07/2026 12 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 01 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 02 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 03 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 04 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 05 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 06 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 07 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 08 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 09 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 10 PM PDT           10.17            971         0      Not Applicable
  06/07/2026 11 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 12 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 01 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 02 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 03 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 04 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 05 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 06 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 07 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 08 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 09 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 10 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 11 AM PDT           10.17            971         0      Not Applicable
  06/08/2026 12 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 01 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 02 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 03 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 04 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 05 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 06 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 07 PM PDT           10.17            971         0      Not Applicable
  06/08/2026 08 PM PDT           10.18            977         +      Not Applicable
  06/08/2026 09 PM PDT           10.18            977         0      Not Applicable
  06/08/2026 10 PM PDT           10.18            977         0      Not Applicable
  06/08/2026 11 PM PDT           10.19            982         +      Not Applicable
  06/09/2026 12 AM PDT           10.19            982         0      Not Applicable
  06/09/2026 01 AM PDT           10.19            982         0      Not Applicable
  06/09/2026 02 AM PDT           10.20            987         +      Not Applicable
  06/09/2026 03 AM PDT           10.20            987         0      Not Applicable
  06/09/2026 04 AM PDT           10.20            987         0      Not Applicable
  06/09/2026 05 AM PDT           10.21            993         +      Not Applicable
  06/09/2026 06 AM PDT           10.21            993         0      Not Applicable
  06/09/2026 07 AM PDT           10.21            993         0      Not Applicable
  06/09/2026 08 AM PDT           10.21            993         0      Not Applicable
  06/09/2026 09 AM PDT           10.21            993         0      Not Applicable
  06/09/2026 10 AM PDT           10.21            993         0      Not Applicable
  06/09/2026 11 AM PDT           10.21            993         0      Not Applicable
  06/09/2026 12 PM PDT           10.21            993         0      Not Applicable
  06/09/2026 01 PM PDT           10.21            993         0      Not Applicable
  06/09/2026 02 PM PDT           10.21            993         0      Not Applicable
  06/09/2026 03 PM PDT           10.21            993         0      Not Applicable
  06/09/2026 04 PM PDT           10.21            993         0      Not Applicable
  06/09/2026 05 PM PDT           10.20            987         -      Not Applicable
  06/09/2026 06 PM PDT           10.20            987         0      Not Applicable
  06/09/2026 07 PM PDT           10.20            987         0      Not Applicable
  06/09/2026 08 PM PDT           10.19            982         -      Not Applicable
  06/09/2026 09 PM PDT           10.19            982         0      Not Applicable
  06/09/2026 10 PM PDT           10.19            982         0      Not Applicable
  06/09/2026 11 PM PDT           10.19            982         0      Not Applicable
  06/10/2026 12 AM PDT           10.19            982         0      Not Applicable
  06/10/2026 01 AM PDT           10.18            977         -      Not Applicable
  06/10/2026 02 AM PDT           10.18            977         0      Not Applicable
  06/10/2026 03 AM PDT           10.18            977         0      Not Applicable
  06/10/2026 04 AM PDT           10.18            977         0      Not Applicable
  06/10/2026 05 AM PDT           10.18            977         0      Not Applicable
  06/10/2026 06 AM PDT           10.18            977         0      Not Applicable
  06/10/2026 07 AM PDT           10.18            977         0      Not Applicable
  06/10/2026 08 AM PDT           10.17            971         -      Not Applicable
  06/10/2026 09 AM PDT           10.17            971         0      Not Applicable
  06/10/2026 10 AM PDT           10.17            971         0      Not Applicable
  06/10/2026 11 AM PDT           10.17            971         0      Not Applicable
  06/10/2026 12 PM PDT           10.17            971         0      Not Applicable
  06/10/2026 01 PM PDT           10.17            971         0      Not Applicable
  06/10/2026 02 PM PDT           10.17            971         0      Not Applicable
  06/10/2026 03 PM PDT           10.17            971         0      Not Applicable
  06/10/2026 04 PM PDT           10.17            971         0      Not Applicable
  06/10/2026 05 PM PDT           10.17            971         0      Not Applicable
  06/10/2026 06 PM PDT           10.17            971         0      Not Applicable
  06/10/2026 07 PM PDT           10.16            966         -      Not Applicable
  06/10/2026 08 PM PDT           10.16            966         0      Not Applicable
  06/10/2026 09 PM PDT           10.16            966         0      Not Applicable
  06/10/2026 10 PM PDT           10.16            966         0      Not Applicable
  06/10/2026 11 PM PDT           10.16            966         0      Not Applicable
  06/11/2026 12 AM PDT           10.16            966         0      Not Applicable
  06/11/2026 01 AM PDT           10.16            966         0      Not Applicable
  06/11/2026 02 AM PDT           10.16            966         0      Not Applicable
  06/11/2026 03 AM PDT           10.16            966         0      Not Applicable
  06/11/2026 04 AM PDT           10.16            966         0      Not Applicable
  06/11/2026 05 AM PDT           10.16            966         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.