SOUTH FORK TRINITY RIVER - HYAMPOM (HYMC1)
Latitude: 40.65º NLongitude: 123.49º WElevation: 1211 FeetForecast Type: Unofficial Location
Location: Trinity County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jul 08 2026 at 7:15 AM PDTNext Issuance: Jul 09 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: South Fork Trinity River - Hyampom (HYMC1)
#
# File Generation Time:  07/08/2026 at 07:17 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/03/2026 at 12:00 PM PDT
# Maximum Observed Stage:                       2.92 Feet
# Maximum Observed Flow:                        220 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/08/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.84 Feet
# Maximum Forecast Flow:                        202 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/03/2026 07 AM PDT            2.91            218                Not Applicable
  07/03/2026 08 AM PDT            2.91            218         0      Not Applicable
  07/03/2026 09 AM PDT            2.91            218         0      Not Applicable
  07/03/2026 10 AM PDT            2.91            218         0      Not Applicable
  07/03/2026 11 AM PDT            2.91            218         0      Not Applicable
  07/03/2026 12 PM PDT            2.92            220         +      Not Applicable
  07/03/2026 01 PM PDT            2.91            218         -      Not Applicable
  07/03/2026 02 PM PDT            2.91            218         0      Not Applicable
  07/03/2026 03 PM PDT            2.91            218         0      Not Applicable
  07/03/2026 04 PM PDT            2.91            218         0      Not Applicable
  07/03/2026 05 PM PDT            2.91            218         0      Not Applicable
  07/03/2026 06 PM PDT            2.90            215         -      Not Applicable
  07/03/2026 07 PM PDT            2.90            215         0      Not Applicable
  07/03/2026 08 PM PDT            2.90            215         0      Not Applicable
  07/03/2026 09 PM PDT            2.90            215         0      Not Applicable
  07/03/2026 10 PM PDT            2.90            215         0      Not Applicable
  07/03/2026 11 PM PDT            2.90            215         0      Not Applicable
  07/04/2026 12 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 01 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 02 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 03 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 04 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 05 AM PDT            2.89            213         -      Not Applicable
  07/04/2026 06 AM PDT            2.90            215         +      Not Applicable
  07/04/2026 07 AM PDT            2.89            213         -      Not Applicable
  07/04/2026 08 AM PDT            2.90            215         +      Not Applicable
  07/04/2026 09 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 10 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 11 AM PDT            2.90            215         0      Not Applicable
  07/04/2026 12 PM PDT            2.90            215         0      Not Applicable
  07/04/2026 01 PM PDT            2.89            213         -      Not Applicable
  07/04/2026 02 PM PDT            2.89            213         0      Not Applicable
  07/04/2026 03 PM PDT            2.90            215         +      Not Applicable
  07/04/2026 04 PM PDT            2.89            213         -      Not Applicable
  07/04/2026 05 PM PDT            2.89            213         0      Not Applicable
  07/04/2026 06 PM PDT            2.89            213         0      Not Applicable
  07/04/2026 07 PM PDT            2.89            213         0      Not Applicable
  07/04/2026 08 PM PDT            2.89            213         0      Not Applicable
  07/04/2026 09 PM PDT            2.89            213         0      Not Applicable
  07/04/2026 10 PM PDT            2.89            213         0      Not Applicable
  07/04/2026 11 PM PDT            2.88            211         -      Not Applicable
  07/05/2026 12 AM PDT            2.89            213         +      Not Applicable
  07/05/2026 01 AM PDT            2.88            211         -      Not Applicable
  07/05/2026 02 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 03 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 04 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 05 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 06 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 07 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 08 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 09 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 10 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 11 AM PDT            2.88            211         0      Not Applicable
  07/05/2026 12 PM PDT            2.88            211         0      Not Applicable
  07/05/2026 01 PM PDT            2.88            211         0      Not Applicable
  07/05/2026 02 PM PDT            2.88            211         0      Not Applicable
  07/05/2026 03 PM PDT            2.88            211         0      Not Applicable
  07/05/2026 04 PM PDT            2.88            211         0      Not Applicable
  07/05/2026 05 PM PDT            2.88            211         0      Not Applicable
  07/05/2026 06 PM PDT            2.87            209         -      Not Applicable
  07/05/2026 07 PM PDT            2.87            209         0      Not Applicable
  07/05/2026 08 PM PDT            2.87            209         0      Not Applicable
  07/05/2026 09 PM PDT            2.87            209         0      Not Applicable
  07/05/2026 10 PM PDT            2.87            209         0      Not Applicable
  07/05/2026 11 PM PDT            2.87            209         0      Not Applicable
  07/06/2026 12 AM PDT            2.87            209         0      Not Applicable
  07/06/2026 01 AM PDT            2.87            209         0      Not Applicable
  07/06/2026 02 AM PDT            2.87            209         0      Not Applicable
  07/06/2026 03 AM PDT            2.87            209         0      Not Applicable
  07/06/2026 04 AM PDT            2.86            206         -      Not Applicable
  07/06/2026 05 AM PDT            2.87            209         +      Not Applicable
  07/06/2026 06 AM PDT            2.86            206         -      Not Applicable
  07/06/2026 07 AM PDT            2.86            206         0      Not Applicable
  07/06/2026 08 AM PDT            2.87            209         +      Not Applicable
  07/06/2026 09 AM PDT            2.87            209         0      Not Applicable
  07/06/2026 10 AM PDT            2.87            209         0      Not Applicable
  07/06/2026 11 AM PDT            2.87            209         0      Not Applicable
  07/06/2026 12 PM PDT            2.87            209         0      Not Applicable
  07/06/2026 01 PM PDT            2.87            209         0      Not Applicable
  07/06/2026 02 PM PDT            2.87            209         0      Not Applicable
  07/06/2026 03 PM PDT            2.87            209         0      Not Applicable
  07/06/2026 04 PM PDT            2.86            206         -      Not Applicable
  07/06/2026 05 PM PDT            2.86            206         0      Not Applicable
  07/06/2026 06 PM PDT            2.86            206         0      Not Applicable
  07/06/2026 07 PM PDT            2.86            206         0      Not Applicable
  07/06/2026 08 PM PDT            2.85            204         -      Not Applicable
  07/06/2026 09 PM PDT            2.85            204         0      Not Applicable
  07/06/2026 10 PM PDT            2.86            206         +      Not Applicable
  07/06/2026 11 PM PDT            2.86            206         0      Not Applicable
  07/07/2026 12 AM PDT            2.85            204         -      Not Applicable
  07/07/2026 01 AM PDT            2.86            206         +      Not Applicable
  07/07/2026 02 AM PDT            2.85            204         -      Not Applicable
  07/07/2026 03 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 04 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 05 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 06 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 07 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 08 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 09 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 10 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 11 AM PDT            2.85            204         0      Not Applicable
  07/07/2026 12 PM PDT            2.85            204         0      Not Applicable
  07/07/2026 01 PM PDT            2.85            204         0      Not Applicable
  07/07/2026 02 PM PDT            2.85            204         0      Not Applicable
  07/07/2026 03 PM PDT            2.85            204         0      Not Applicable
  07/07/2026 04 PM PDT            2.85            204         0      Not Applicable
  07/07/2026 05 PM PDT            2.84            202         -      Not Applicable
  07/07/2026 06 PM PDT            2.84            202         0      Not Applicable
  07/07/2026 07 PM PDT            2.84            202         0      Not Applicable
  07/07/2026 08 PM PDT            2.84            202         0      Not Applicable
  07/07/2026 09 PM PDT            2.84            202         0      Not Applicable
  07/07/2026 10 PM PDT            2.84            202         0      Not Applicable
  07/07/2026 11 PM PDT            2.84            202         0      Not Applicable
  07/08/2026 12 AM PDT            2.84            202         0      Not Applicable
  07/08/2026 01 AM PDT            2.84            202         0      Not Applicable
  07/08/2026 02 AM PDT            2.84            202         0      Not Applicable
  07/08/2026 03 AM PDT            2.84            202         0      Not Applicable
  07/08/2026 04 AM PDT            2.84            202         0      Not Applicable
  07/08/2026 05 AM PDT            2.84            202         0      Not Applicable
  07/08/2026 06 AM PDT            2.84            202         0      Not Applicable
  07/08/2026 07 AM PDT            2.84            202         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/08/2026 08 AM PDT            2.84            202                Not Applicable
  07/08/2026 09 AM PDT            2.83            200         -      Not Applicable
  07/08/2026 10 AM PDT            2.83            200         0      Not Applicable
  07/08/2026 11 AM PDT            2.83            200         0      Not Applicable
  07/08/2026 12 PM PDT            2.83            200         0      Not Applicable
  07/08/2026 01 PM PDT            2.83            200         0      Not Applicable
  07/08/2026 02 PM PDT            2.83            200         0      Not Applicable
  07/08/2026 03 PM PDT            2.83            200         0      Not Applicable
  07/08/2026 04 PM PDT            2.83            200         0      Not Applicable
  07/08/2026 05 PM PDT            2.83            200         0      Not Applicable
  07/08/2026 06 PM PDT            2.82            197         -      Not Applicable
  07/08/2026 07 PM PDT            2.82            197         0      Not Applicable
  07/08/2026 08 PM PDT            2.82            197         0      Not Applicable
  07/08/2026 09 PM PDT            2.82            197         0      Not Applicable
  07/08/2026 10 PM PDT            2.82            197         0      Not Applicable
  07/08/2026 11 PM PDT            2.81            195         -      Not Applicable
  07/09/2026 12 AM PDT            2.81            195         0      Not Applicable
  07/09/2026 01 AM PDT            2.81            195         0      Not Applicable
  07/09/2026 02 AM PDT            2.81            195         0      Not Applicable
  07/09/2026 03 AM PDT            2.81            195         0      Not Applicable
  07/09/2026 04 AM PDT            2.81            195         0      Not Applicable
  07/09/2026 05 AM PDT            2.81            195         0      Not Applicable
  07/09/2026 06 AM PDT            2.81            195         0      Not Applicable
  07/09/2026 07 AM PDT            2.80            193         -      Not Applicable
  07/09/2026 08 AM PDT            2.80            193         0      Not Applicable
  07/09/2026 09 AM PDT            2.80            193         0      Not Applicable
  07/09/2026 10 AM PDT            2.80            193         0      Not Applicable
  07/09/2026 11 AM PDT            2.80            193         0      Not Applicable
  07/09/2026 12 PM PDT            2.80            193         0      Not Applicable
  07/09/2026 01 PM PDT            2.80            193         0      Not Applicable
  07/09/2026 02 PM PDT            2.80            193         0      Not Applicable
  07/09/2026 03 PM PDT            2.79            191         -      Not Applicable
  07/09/2026 04 PM PDT            2.79            191         0      Not Applicable
  07/09/2026 05 PM PDT            2.79            191         0      Not Applicable
  07/09/2026 06 PM PDT            2.79            191         0      Not Applicable
  07/09/2026 07 PM PDT            2.79            191         0      Not Applicable
  07/09/2026 08 PM PDT            2.79            191         0      Not Applicable
  07/09/2026 09 PM PDT            2.79            191         0      Not Applicable
  07/09/2026 10 PM PDT            2.78            189         -      Not Applicable
  07/09/2026 11 PM PDT            2.78            189         0      Not Applicable
  07/10/2026 12 AM PDT            2.78            189         0      Not Applicable
  07/10/2026 01 AM PDT            2.78            189         0      Not Applicable
  07/10/2026 02 AM PDT            2.78            189         0      Not Applicable
  07/10/2026 03 AM PDT            2.77            186         -      Not Applicable
  07/10/2026 04 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 05 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 06 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 07 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 08 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 09 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 10 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 11 AM PDT            2.77            186         0      Not Applicable
  07/10/2026 12 PM PDT            2.76            184         -      Not Applicable
  07/10/2026 01 PM PDT            2.76            184         0      Not Applicable
  07/10/2026 02 PM PDT            2.76            184         0      Not Applicable
  07/10/2026 03 PM PDT            2.76            184         0      Not Applicable
  07/10/2026 04 PM PDT            2.76            184         0      Not Applicable
  07/10/2026 05 PM PDT            2.76            184         0      Not Applicable
  07/10/2026 06 PM PDT            2.75            182         -      Not Applicable
  07/10/2026 07 PM PDT            2.75            182         0      Not Applicable
  07/10/2026 08 PM PDT            2.75            182         0      Not Applicable
  07/10/2026 09 PM PDT            2.75            182         0      Not Applicable
  07/10/2026 10 PM PDT            2.75            182         0      Not Applicable
  07/10/2026 11 PM PDT            2.75            182         0      Not Applicable
  07/11/2026 12 AM PDT            2.75            182         0      Not Applicable
  07/11/2026 01 AM PDT            2.74            180         -      Not Applicable
  07/11/2026 02 AM PDT            2.74            180         0      Not Applicable
  07/11/2026 03 AM PDT            2.74            180         0      Not Applicable
  07/11/2026 04 AM PDT            2.74            180         0      Not Applicable
  07/11/2026 05 AM PDT            2.74            180         0      Not Applicable
  07/11/2026 06 AM PDT            2.74            180         0      Not Applicable
  07/11/2026 07 AM PDT            2.73            178         -      Not Applicable
  07/11/2026 08 AM PDT            2.73            178         0      Not Applicable
  07/11/2026 09 AM PDT            2.73            178         0      Not Applicable
  07/11/2026 10 AM PDT            2.73            178         0      Not Applicable
  07/11/2026 11 AM PDT            2.73            178         0      Not Applicable
  07/11/2026 12 PM PDT            2.73            178         0      Not Applicable
  07/11/2026 01 PM PDT            2.73            178         0      Not Applicable
  07/11/2026 02 PM PDT            2.73            178         0      Not Applicable
  07/11/2026 03 PM PDT            2.72            176         -      Not Applicable
  07/11/2026 04 PM PDT            2.72            176         0      Not Applicable
  07/11/2026 05 PM PDT            2.72            176         0      Not Applicable
  07/11/2026 06 PM PDT            2.72            176         0      Not Applicable
  07/11/2026 07 PM PDT            2.72            176         0      Not Applicable
  07/11/2026 08 PM PDT            2.72            176         0      Not Applicable
  07/11/2026 09 PM PDT            2.71            174         -      Not Applicable
  07/11/2026 10 PM PDT            2.71            174         0      Not Applicable
  07/11/2026 11 PM PDT            2.71            174         0      Not Applicable
  07/12/2026 12 AM PDT            2.71            174         0      Not Applicable
  07/12/2026 01 AM PDT            2.71            174         0      Not Applicable
  07/12/2026 02 AM PDT            2.71            174         0      Not Applicable
  07/12/2026 03 AM PDT            2.70            172         -      Not Applicable
  07/12/2026 04 AM PDT            2.70            172         0      Not Applicable
  07/12/2026 05 AM PDT            2.70            172         0      Not Applicable
  07/12/2026 06 AM PDT            2.70            172         0      Not Applicable
  07/12/2026 07 AM PDT            2.70            172         0      Not Applicable
  07/12/2026 08 AM PDT            2.70            172         0      Not Applicable
  07/12/2026 09 AM PDT            2.70            172         0      Not Applicable
  07/12/2026 10 AM PDT            2.70            172         0      Not Applicable
  07/12/2026 11 AM PDT            2.69            170         -      Not Applicable
  07/12/2026 12 PM PDT            2.69            170         0      Not Applicable
  07/12/2026 01 PM PDT            2.69            170         0      Not Applicable
  07/12/2026 02 PM PDT            2.69            170         0      Not Applicable
  07/12/2026 03 PM PDT            2.69            170         0      Not Applicable
  07/12/2026 04 PM PDT            2.69            170         0      Not Applicable
  07/12/2026 05 PM PDT            2.69            170         0      Not Applicable
  07/12/2026 06 PM PDT            2.68            168         -      Not Applicable
  07/12/2026 07 PM PDT            2.68            168         0      Not Applicable
  07/12/2026 08 PM PDT            2.68            168         0      Not Applicable
  07/12/2026 09 PM PDT            2.68            168         0      Not Applicable
  07/12/2026 10 PM PDT            2.68            168         0      Not Applicable
  07/12/2026 11 PM PDT            2.67            166         -      Not Applicable
  07/13/2026 12 AM PDT            2.67            166         0      Not Applicable
  07/13/2026 01 AM PDT            2.67            166         0      Not Applicable
  07/13/2026 02 AM PDT            2.67            166         0      Not Applicable
  07/13/2026 03 AM PDT            2.67            166         0      Not Applicable
  07/13/2026 04 AM PDT            2.67            166         0      Not Applicable
  07/13/2026 05 AM PDT            2.67            166         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.