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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: | Jun 19 2026 at 6:57 AM PDT | Next Issuance: | Jun 20 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: 06/19/2026 at 06:59 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/16/2026 at 01:00 AM PDT
# Maximum Observed Stage: 10.95 Feet
# Maximum Observed Flow: 1426 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/19/2026 at 07:00 AM PDT
# Maximum Forecast Stage: 10.23 Feet
# Maximum Forecast Flow: 1004 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/14/2026 06 AM PDT 10.32 1053 Not Applicable
06/14/2026 07 AM PDT 10.32 1053 0 Not Applicable
06/14/2026 08 AM PDT 10.37 1081 + Not Applicable
06/14/2026 09 AM PDT 10.39 1092 + Not Applicable
06/14/2026 10 AM PDT 10.40 1098 + Not Applicable
06/14/2026 11 AM PDT 10.42 1109 + Not Applicable
06/14/2026 12 PM PDT 10.41 1103 - Not Applicable
06/14/2026 01 PM PDT 10.42 1109 + Not Applicable
06/14/2026 02 PM PDT 10.41 1103 - Not Applicable
06/14/2026 03 PM PDT 10.40 1098 - Not Applicable
06/14/2026 04 PM PDT 10.40 1098 0 Not Applicable
06/14/2026 05 PM PDT 10.40 1098 0 Not Applicable
06/14/2026 06 PM PDT 10.41 1103 + Not Applicable
06/14/2026 07 PM PDT 10.44 1120 + Not Applicable
06/14/2026 08 PM PDT 10.45 1126 + Not Applicable
06/14/2026 09 PM PDT 10.47 1137 + Not Applicable
06/14/2026 10 PM PDT 10.48 1143 + Not Applicable
06/14/2026 11 PM PDT 10.48 1143 0 Not Applicable
06/15/2026 12 AM PDT 10.50 1154 + Not Applicable
06/15/2026 01 AM PDT 10.50 1154 0 Not Applicable
06/15/2026 02 AM PDT 10.53 1172 + Not Applicable
06/15/2026 03 AM PDT 10.63 1230 + Not Applicable
06/15/2026 04 AM PDT 10.75 1302 + Not Applicable
06/15/2026 05 AM PDT 10.79 1327 + Not Applicable
06/15/2026 06 AM PDT 10.83 1351 + Not Applicable
06/15/2026 07 AM PDT 10.89 1388 + Not Applicable
06/15/2026 08 AM PDT 10.91 1401 + Not Applicable
06/15/2026 09 AM PDT 10.90 1394 - Not Applicable
06/15/2026 10 AM PDT 10.92 1407 + Not Applicable
06/15/2026 11 AM PDT 10.93 1413 + Not Applicable
06/15/2026 12 PM PDT 10.92 1407 - Not Applicable
06/15/2026 01 PM PDT 10.93 1413 + Not Applicable
06/15/2026 02 PM PDT 10.93 1413 0 Not Applicable
06/15/2026 03 PM PDT 10.92 1407 - Not Applicable
06/15/2026 04 PM PDT 10.93 1413 + Not Applicable
06/15/2026 05 PM PDT 10.92 1407 - Not Applicable
06/15/2026 06 PM PDT 10.93 1413 + Not Applicable
06/15/2026 07 PM PDT 10.93 1413 0 Not Applicable
06/15/2026 08 PM PDT 10.92 1407 - Not Applicable
06/15/2026 09 PM PDT 10.91 1401 - Not Applicable
06/15/2026 10 PM PDT 10.93 1413 + Not Applicable
06/15/2026 11 PM PDT 10.95 1426 + Not Applicable
06/16/2026 12 AM PDT 10.94 1419 - Not Applicable
06/16/2026 01 AM PDT 10.95 1426 + Not Applicable
06/16/2026 02 AM PDT 10.93 1413 - Not Applicable
06/16/2026 03 AM PDT 10.89 1388 - Not Applicable
06/16/2026 04 AM PDT 10.88 1382 - Not Applicable
06/16/2026 05 AM PDT 10.87 1376 - Not Applicable
06/16/2026 06 AM PDT 10.88 1382 + Not Applicable
06/16/2026 07 AM PDT 10.86 1370 - Not Applicable
06/16/2026 08 AM PDT 10.86 1370 0 Not Applicable
06/16/2026 09 AM PDT 10.85 1363 - Not Applicable
06/16/2026 10 AM PDT 10.82 1345 - Not Applicable
06/16/2026 11 AM PDT 10.83 1351 + Not Applicable
06/16/2026 12 PM PDT 10.82 1345 - Not Applicable
06/16/2026 01 PM PDT 10.80 1333 - Not Applicable
06/16/2026 02 PM PDT 10.79 1327 - Not Applicable
06/16/2026 03 PM PDT 10.79 1327 0 Not Applicable
06/16/2026 04 PM PDT 10.78 1320 - Not Applicable
06/16/2026 05 PM PDT 10.77 1314 - Not Applicable
06/16/2026 06 PM PDT 10.77 1314 0 Not Applicable
06/16/2026 07 PM PDT 10.75 1302 - Not Applicable
06/16/2026 08 PM PDT 10.73 1290 - Not Applicable
06/16/2026 09 PM PDT 10.72 1284 - Not Applicable
06/16/2026 10 PM PDT 10.71 1278 - Not Applicable
06/16/2026 11 PM PDT 10.72 1284 + Not Applicable
06/17/2026 12 AM PDT 10.72 1284 0 Not Applicable
06/17/2026 01 AM PDT 10.69 1266 - Not Applicable
06/17/2026 02 AM PDT 10.65 1242 - Not Applicable
06/17/2026 03 AM PDT 10.66 1248 + Not Applicable
06/17/2026 04 AM PDT 10.66 1248 0 Not Applicable
06/17/2026 05 AM PDT 10.65 1242 - Not Applicable
06/17/2026 06 AM PDT 10.67 1254 + Not Applicable
06/17/2026 07 AM PDT 10.66 1248 - Not Applicable
06/17/2026 08 AM PDT 10.61 1219 - Not Applicable
06/17/2026 09 AM PDT 10.60 1213 - Not Applicable
06/17/2026 10 AM PDT 10.59 1207 - Not Applicable
06/17/2026 11 AM PDT 10.60 1213 + Not Applicable
06/17/2026 12 PM PDT 10.60 1213 0 Not Applicable
06/17/2026 01 PM PDT 10.56 1189 - Not Applicable
06/17/2026 02 PM PDT 10.56 1189 0 Not Applicable
06/17/2026 03 PM PDT 10.57 1195 + Not Applicable
06/17/2026 04 PM PDT 10.55 1183 - Not Applicable
06/17/2026 05 PM PDT 10.52 1166 - Not Applicable
06/17/2026 06 PM PDT 10.52 1166 0 Not Applicable
06/17/2026 07 PM PDT 10.48 1143 - Not Applicable
06/17/2026 08 PM PDT 10.48 1143 0 Not Applicable
06/17/2026 09 PM PDT 10.47 1137 - Not Applicable
06/17/2026 10 PM PDT 10.48 1143 + Not Applicable
06/17/2026 11 PM PDT 10.47 1137 - Not Applicable
06/18/2026 12 AM PDT 10.47 1137 0 Not Applicable
06/18/2026 01 AM PDT 10.46 1132 - Not Applicable
06/18/2026 02 AM PDT 10.43 1115 - Not Applicable
06/18/2026 03 AM PDT 10.42 1109 - Not Applicable
06/18/2026 04 AM PDT 10.38 1086 - Not Applicable
06/18/2026 05 AM PDT 10.39 1092 + Not Applicable
06/18/2026 06 AM PDT 10.37 1081 - Not Applicable
06/18/2026 07 AM PDT 10.40 1098 + Not Applicable
06/18/2026 08 AM PDT 10.38 1086 - Not Applicable
06/18/2026 09 AM PDT 10.39 1092 + Not Applicable
06/18/2026 10 AM PDT 10.38 1086 - Not Applicable
06/18/2026 11 AM PDT 10.33 1058 - Not Applicable
06/18/2026 12 PM PDT 10.30 1042 - Not Applicable
06/18/2026 01 PM PDT 10.31 1047 + Not Applicable
06/18/2026 02 PM PDT 10.30 1042 - Not Applicable
06/18/2026 03 PM PDT 10.29 1036 - Not Applicable
06/18/2026 04 PM PDT 10.28 1031 - Not Applicable
06/18/2026 05 PM PDT 10.27 1025 - Not Applicable
06/18/2026 06 PM PDT 10.27 1025 0 Not Applicable
06/18/2026 07 PM PDT 10.25 1014 - Not Applicable
06/18/2026 08 PM PDT 10.25 1014 0 Not Applicable
06/18/2026 09 PM PDT 10.26 1020 + Not Applicable
06/18/2026 10 PM PDT 10.23 1004 - Not Applicable
06/18/2026 11 PM PDT 10.23 1004 0 Not Applicable
06/19/2026 12 AM PDT 10.23 1004 0 Not Applicable
06/19/2026 01 AM PDT 10.23 1004 0 Not Applicable
06/19/2026 02 AM PDT 10.23 1004 0 Not Applicable
06/19/2026 03 AM PDT 10.24 1009 + Not Applicable
06/19/2026 04 AM PDT 10.24 1009 0 Not Applicable
06/19/2026 05 AM PDT 10.24 1009 0 Not Applicable
06/19/2026 06 AM PDT 10.24 1009 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/19/2026 07 AM PDT 10.23 1004 Not Applicable
06/19/2026 08 AM PDT 10.21 993 - Not Applicable
06/19/2026 09 AM PDT 10.19 982 - Not Applicable
06/19/2026 10 AM PDT 10.17 971 - Not Applicable
06/19/2026 11 AM PDT 10.16 966 - Not Applicable
06/19/2026 12 PM PDT 10.15 961 - Not Applicable
06/19/2026 01 PM PDT 10.14 955 - Not Applicable
06/19/2026 02 PM PDT 10.14 955 0 Not Applicable
06/19/2026 03 PM PDT 10.13 950 - Not Applicable
06/19/2026 04 PM PDT 10.13 950 0 Not Applicable
06/19/2026 05 PM PDT 10.13 950 0 Not Applicable
06/19/2026 06 PM PDT 10.13 950 0 Not Applicable
06/19/2026 07 PM PDT 10.13 950 0 Not Applicable
06/19/2026 08 PM PDT 10.13 950 0 Not Applicable
06/19/2026 09 PM PDT 10.13 950 0 Not Applicable
06/19/2026 10 PM PDT 10.13 950 0 Not Applicable
06/19/2026 11 PM PDT 10.13 950 0 Not Applicable
06/20/2026 12 AM PDT 10.13 950 0 Not Applicable
06/20/2026 01 AM PDT 10.13 950 0 Not Applicable
06/20/2026 02 AM PDT 10.13 950 0 Not Applicable
06/20/2026 03 AM PDT 10.13 950 0 Not Applicable
06/20/2026 04 AM PDT 10.13 950 0 Not Applicable
06/20/2026 05 AM PDT 10.13 950 0 Not Applicable
06/20/2026 06 AM PDT 10.13 950 0 Not Applicable
06/20/2026 07 AM PDT 10.13 950 0 Not Applicable
06/20/2026 08 AM PDT 10.13 950 0 Not Applicable
06/20/2026 09 AM PDT 10.13 950 0 Not Applicable
06/20/2026 10 AM PDT 10.13 950 0 Not Applicable
06/20/2026 11 AM PDT 10.13 950 0 Not Applicable
06/20/2026 12 PM PDT 10.13 950 0 Not Applicable
06/20/2026 01 PM PDT 10.13 950 0 Not Applicable
06/20/2026 02 PM PDT 10.13 950 0 Not Applicable
06/20/2026 03 PM PDT 10.13 950 0 Not Applicable
06/20/2026 04 PM PDT 10.13 950 0 Not Applicable
06/20/2026 05 PM PDT 10.12 945 - Not Applicable
06/20/2026 06 PM PDT 10.12 945 0 Not Applicable
06/20/2026 07 PM PDT 10.12 945 0 Not Applicable
06/20/2026 08 PM PDT 10.12 945 0 Not Applicable
06/20/2026 09 PM PDT 10.12 945 0 Not Applicable
06/20/2026 10 PM PDT 10.12 945 0 Not Applicable
06/20/2026 11 PM PDT 10.12 945 0 Not Applicable
06/21/2026 12 AM PDT 10.12 945 0 Not Applicable
06/21/2026 01 AM PDT 10.12 945 0 Not Applicable
06/21/2026 02 AM PDT 10.12 945 0 Not Applicable
06/21/2026 03 AM PDT 10.12 945 0 Not Applicable
06/21/2026 04 AM PDT 10.12 945 0 Not Applicable
06/21/2026 05 AM PDT 10.12 945 0 Not Applicable
06/21/2026 06 AM PDT 10.12 945 0 Not Applicable
06/21/2026 07 AM PDT 10.12 945 0 Not Applicable
06/21/2026 08 AM PDT 10.12 945 0 Not Applicable
06/21/2026 09 AM PDT 10.12 945 0 Not Applicable
06/21/2026 10 AM PDT 10.12 945 0 Not Applicable
06/21/2026 11 AM PDT 10.12 945 0 Not Applicable
06/21/2026 12 PM PDT 10.12 945 0 Not Applicable
06/21/2026 01 PM PDT 10.12 945 0 Not Applicable
06/21/2026 02 PM PDT 10.12 945 0 Not Applicable
06/21/2026 03 PM PDT 10.12 945 0 Not Applicable
06/21/2026 04 PM PDT 10.12 945 0 Not Applicable
06/21/2026 05 PM PDT 10.12 945 0 Not Applicable
06/21/2026 06 PM PDT 10.12 945 0 Not Applicable
06/21/2026 07 PM PDT 10.12 945 0 Not Applicable
06/21/2026 08 PM PDT 10.12 945 0 Not Applicable
06/21/2026 09 PM PDT 10.12 945 0 Not Applicable
06/21/2026 10 PM PDT 10.12 945 0 Not Applicable
06/21/2026 11 PM PDT 10.12 945 0 Not Applicable
06/22/2026 12 AM PDT 10.12 945 0 Not Applicable
06/22/2026 01 AM PDT 10.12 945 0 Not Applicable
06/22/2026 02 AM PDT 10.12 945 0 Not Applicable
06/22/2026 03 AM PDT 10.12 945 0 Not Applicable
06/22/2026 04 AM PDT 10.12 945 0 Not Applicable
06/22/2026 05 AM PDT 10.12 945 0 Not Applicable
06/22/2026 06 AM PDT 10.12 945 0 Not Applicable
06/22/2026 07 AM PDT 10.12 945 0 Not Applicable
06/22/2026 08 AM PDT 10.12 945 0 Not Applicable
06/22/2026 09 AM PDT 10.12 945 0 Not Applicable
06/22/2026 10 AM PDT 10.12 945 0 Not Applicable
06/22/2026 11 AM PDT 10.12 945 0 Not Applicable
06/22/2026 12 PM PDT 10.12 945 0 Not Applicable
06/22/2026 01 PM PDT 10.12 945 0 Not Applicable
06/22/2026 02 PM PDT 10.12 945 0 Not Applicable
06/22/2026 03 PM PDT 10.12 945 0 Not Applicable
06/22/2026 04 PM PDT 10.12 945 0 Not Applicable
06/22/2026 05 PM PDT 10.12 945 0 Not Applicable
06/22/2026 06 PM PDT 10.12 945 0 Not Applicable
06/22/2026 07 PM PDT 10.12 945 0 Not Applicable
06/22/2026 08 PM PDT 10.12 945 0 Not Applicable
06/22/2026 09 PM PDT 10.12 945 0 Not Applicable
06/22/2026 10 PM PDT 10.12 945 0 Not Applicable
06/22/2026 11 PM PDT 10.12 945 0 Not Applicable
06/23/2026 12 AM PDT 10.12 945 0 Not Applicable
06/23/2026 01 AM PDT 10.12 945 0 Not Applicable
06/23/2026 02 AM PDT 10.12 945 0 Not Applicable
06/23/2026 03 AM PDT 10.12 945 0 Not Applicable
06/23/2026 04 AM PDT 10.12 945 0 Not Applicable
06/23/2026 05 AM PDT 10.12 945 0 Not Applicable
06/23/2026 06 AM PDT 10.12 945 0 Not Applicable
06/23/2026 07 AM PDT 10.12 945 0 Not Applicable
06/23/2026 08 AM PDT 10.12 945 0 Not Applicable
06/23/2026 09 AM PDT 10.12 945 0 Not Applicable
06/23/2026 10 AM PDT 10.12 945 0 Not Applicable
06/23/2026 11 AM PDT 10.12 945 0 Not Applicable
06/23/2026 12 PM PDT 10.12 945 0 Not Applicable
06/23/2026 01 PM PDT 10.12 945 0 Not Applicable
06/23/2026 02 PM PDT 10.12 945 0 Not Applicable
06/23/2026 03 PM PDT 10.12 945 0 Not Applicable
06/23/2026 04 PM PDT 10.12 945 0 Not Applicable
06/23/2026 05 PM PDT 10.12 945 0 Not Applicable
06/23/2026 06 PM PDT 10.12 945 0 Not Applicable
06/23/2026 07 PM PDT 10.12 945 0 Not Applicable
06/23/2026 08 PM PDT 10.12 945 0 Not Applicable
06/23/2026 09 PM PDT 10.12 945 0 Not Applicable
06/23/2026 10 PM PDT 10.12 945 0 Not Applicable
06/23/2026 11 PM PDT 10.12 945 0 Not Applicable
06/24/2026 12 AM PDT 10.12 945 0 Not Applicable
06/24/2026 01 AM PDT 10.12 945 0 Not Applicable
06/24/2026 02 AM PDT 10.12 945 0 Not Applicable
06/24/2026 03 AM PDT 10.12 945 0 Not Applicable
06/24/2026 04 AM PDT 10.12 945 0 Not Applicable
06/24/2026 05 AM PDT 10.12 945 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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