SOUTH FORK TRINITY RIVER - HYAMPOM (HYMC1)
Latitude: 40.65º NLongitude: 123.49º WElevation: 1211 Feet
Location: Trinity County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Feb 09 2026 at 7:30 AM PSTNext Issuance: Feb 09 2026 at 3:00 PM PST
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:  02/09/2026 at 07:32 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/09/2026 at 07:00 AM PST
# Maximum Observed Stage:                       4.78 Feet
# Maximum Observed Flow:                        903 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/11/2026 at 11:00 PM PST
# Maximum Forecast Stage:                       5.38 Feet
# Maximum Forecast Flow:                        1254 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/04/2026 07 AM PST            4.76            893                Not Applicable
  02/04/2026 08 AM PST            4.76            893         0      Not Applicable
  02/04/2026 09 AM PST            4.76            893         0      Not Applicable
  02/04/2026 10 AM PST            4.75            888         -      Not Applicable
  02/04/2026 11 AM PST            4.75            888         0      Not Applicable
  02/04/2026 12 PM PST            4.76            893         +      Not Applicable
  02/04/2026 01 PM PST            4.76            893         0      Not Applicable
  02/04/2026 02 PM PST            4.75            888         -      Not Applicable
  02/04/2026 03 PM PST            4.75            888         0      Not Applicable
  02/04/2026 04 PM PST            4.75            888         0      Not Applicable
  02/04/2026 05 PM PST            4.74            882         -      Not Applicable
  02/04/2026 06 PM PST            4.74            882         0      Not Applicable
  02/04/2026 07 PM PST            4.75            888         +      Not Applicable
  02/04/2026 08 PM PST            4.74            882         -      Not Applicable
  02/04/2026 09 PM PST            4.74            882         0      Not Applicable
  02/04/2026 10 PM PST            4.74            882         0      Not Applicable
  02/04/2026 11 PM PST            4.73            877         -      Not Applicable
  02/05/2026 12 AM PST            4.73            877         0      Not Applicable
  02/05/2026 01 AM PST            4.74            882         +      Not Applicable
  02/05/2026 02 AM PST            4.74            882         0      Not Applicable
  02/05/2026 03 AM PST            4.73            877         -      Not Applicable
  02/05/2026 04 AM PST            4.73            877         0      Not Applicable
  02/05/2026 05 AM PST            4.74            882         +      Not Applicable
  02/05/2026 06 AM PST            4.73            877         -      Not Applicable
  02/05/2026 07 AM PST            4.73            877         0      Not Applicable
  02/05/2026 08 AM PST            4.72            872         -      Not Applicable
  02/05/2026 09 AM PST            4.72            872         0      Not Applicable
  02/05/2026 10 AM PST            4.73            877         +      Not Applicable
  02/05/2026 11 AM PST            4.72            872         -      Not Applicable
  02/05/2026 12 PM PST            4.72            872         0      Not Applicable
  02/05/2026 01 PM PST            4.73            877         +      Not Applicable
  02/05/2026 02 PM PST            4.72            872         -      Not Applicable
  02/05/2026 03 PM PST            4.73            877         +      Not Applicable
  02/05/2026 04 PM PST            4.73            877         0      Not Applicable
  02/05/2026 05 PM PST            4.72            872         -      Not Applicable
  02/05/2026 06 PM PST            4.72            872         0      Not Applicable
  02/05/2026 07 PM PST            4.72            872         0      Not Applicable
  02/05/2026 08 PM PST            4.72            872         0      Not Applicable
  02/05/2026 09 PM PST            4.71            867         -      Not Applicable
  02/05/2026 10 PM PST            4.71            867         0      Not Applicable
  02/05/2026 11 PM PST            4.72            872         +      Not Applicable
  02/06/2026 12 AM PST            4.71            867         -      Not Applicable
  02/06/2026 01 AM PST            4.71            867         0      Not Applicable
  02/06/2026 02 AM PST            4.71            867         0      Not Applicable
  02/06/2026 03 AM PST            4.70            861         -      Not Applicable
  02/06/2026 04 AM PST            4.71            867         +      Not Applicable
  02/06/2026 05 AM PST            4.71            867         0      Not Applicable
  02/06/2026 06 AM PST            4.70            861         -      Not Applicable
  02/06/2026 07 AM PST            4.72            872         +      Not Applicable
  02/06/2026 08 AM PST            4.70            861         -      Not Applicable
  02/06/2026 09 AM PST            4.69            856         -      Not Applicable
  02/06/2026 10 AM PST            4.68            851         -      Not Applicable
  02/06/2026 11 AM PST            4.71            867         +      Not Applicable
  02/06/2026 12 PM PST            4.70            861         -      Not Applicable
  02/06/2026 01 PM PST            4.70            861         0      Not Applicable
  02/06/2026 02 PM PST            4.70            861         0      Not Applicable
  02/06/2026 03 PM PST            4.70            861         0      Not Applicable
  02/06/2026 04 PM PST            4.69            856         -      Not Applicable
  02/06/2026 05 PM PST            4.70            861         +      Not Applicable
  02/06/2026 06 PM PST            4.69            856         -      Not Applicable
  02/06/2026 07 PM PST            4.70            861         +      Not Applicable
  02/06/2026 08 PM PST            4.70            861         0      Not Applicable
  02/06/2026 09 PM PST            4.68            851         -      Not Applicable
  02/06/2026 10 PM PST            4.68            851         0      Not Applicable
  02/06/2026 11 PM PST            4.68            851         0      Not Applicable
  02/07/2026 12 AM PST            4.68            851         0      Not Applicable
  02/07/2026 01 AM PST            4.69            856         +      Not Applicable
  02/07/2026 02 AM PST            4.69            856         0      Not Applicable
  02/07/2026 03 AM PST            4.68            851         -      Not Applicable
  02/07/2026 04 AM PST            4.68            851         0      Not Applicable
  02/07/2026 05 AM PST            4.69            856         +      Not Applicable
  02/07/2026 06 AM PST            4.68            851         -      Not Applicable
  02/07/2026 07 AM PST            4.69            856         +      Not Applicable
  02/07/2026 08 AM PST            4.67            846         -      Not Applicable
  02/07/2026 09 AM PST            4.67            846         0      Not Applicable
  02/07/2026 10 AM PST            4.68            851         +      Not Applicable
  02/07/2026 11 AM PST            4.67            846         -      Not Applicable
  02/07/2026 12 PM PST            4.67            846         0      Not Applicable
  02/07/2026 01 PM PST            4.68            851         +      Not Applicable
  02/07/2026 02 PM PST            4.67            846         -      Not Applicable
  02/07/2026 03 PM PST            4.67            846         0      Not Applicable
  02/07/2026 04 PM PST            4.67            846         0      Not Applicable
  02/07/2026 05 PM PST            4.68            851         +      Not Applicable
  02/07/2026 06 PM PST            4.67            846         -      Not Applicable
  02/07/2026 07 PM PST            4.67            846         0      Not Applicable
  02/07/2026 08 PM PST            4.67            846         0      Not Applicable
  02/07/2026 09 PM PST            4.67            846         0      Not Applicable
  02/07/2026 10 PM PST            4.65            836         -      Not Applicable
  02/07/2026 11 PM PST            4.66            841         +      Not Applicable
  02/08/2026 12 AM PST            4.66            841         0      Not Applicable
  02/08/2026 01 AM PST            4.65            836         -      Not Applicable
  02/08/2026 02 AM PST            4.66            841         +      Not Applicable
  02/08/2026 03 AM PST            4.65            836         -      Not Applicable
  02/08/2026 04 AM PST            4.66            841         +      Not Applicable
  02/08/2026 05 AM PST            4.66            841         0      Not Applicable
  02/08/2026 06 AM PST            4.66            841         0      Not Applicable
  02/08/2026 07 AM PST            4.65            836         -      Not Applicable
  02/08/2026 08 AM PST            4.66            841         +      Not Applicable
  02/08/2026 09 AM PST            4.67            846         +      Not Applicable
  02/08/2026 10 AM PST            4.66            841         -      Not Applicable
  02/08/2026 11 AM PST            4.67            846         +      Not Applicable
  02/08/2026 12 PM PST            4.67            846         0      Not Applicable
  02/08/2026 01 PM PST            4.67            846         0      Not Applicable
  02/08/2026 02 PM PST            4.68            851         +      Not Applicable
  02/08/2026 03 PM PST            4.69            856         +      Not Applicable
  02/08/2026 04 PM PST            4.69            856         0      Not Applicable
  02/08/2026 05 PM PST            4.69            856         0      Not Applicable
  02/08/2026 06 PM PST            4.70            861         +      Not Applicable
  02/08/2026 07 PM PST            4.71            867         +      Not Applicable
  02/08/2026 08 PM PST            4.72            872         +      Not Applicable
  02/08/2026 09 PM PST            4.73            877         +      Not Applicable
  02/08/2026 10 PM PST            4.73            877         0      Not Applicable
  02/08/2026 11 PM PST            4.74            882         +      Not Applicable
  02/09/2026 12 AM PST            4.75            888         +      Not Applicable
  02/09/2026 01 AM PST            4.75            888         0      Not Applicable
  02/09/2026 02 AM PST            4.74            882         -      Not Applicable
  02/09/2026 03 AM PST            4.75            888         +      Not Applicable
  02/09/2026 04 AM PST            4.76            893         +      Not Applicable
  02/09/2026 05 AM PST            4.75            888         -      Not Applicable
  02/09/2026 06 AM PST            4.77            898         +      Not Applicable
  02/09/2026 07 AM PST            4.78            903         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/09/2026 08 AM PST            4.79            909                Not Applicable
  02/09/2026 09 AM PST            4.80            914         +      Not Applicable
  02/09/2026 10 AM PST            4.80            914         0      Not Applicable
  02/09/2026 11 AM PST            4.81            919         +      Not Applicable
  02/09/2026 12 PM PST            4.81            919         0      Not Applicable
  02/09/2026 01 PM PST            4.81            919         0      Not Applicable
  02/09/2026 02 PM PST            4.81            919         0      Not Applicable
  02/09/2026 03 PM PST            4.81            919         0      Not Applicable
  02/09/2026 04 PM PST            4.81            919         0      Not Applicable
  02/09/2026 05 PM PST            4.81            919         0      Not Applicable
  02/09/2026 06 PM PST            4.81            919         0      Not Applicable
  02/09/2026 07 PM PST            4.80            914         -      Not Applicable
  02/09/2026 08 PM PST            4.80            914         0      Not Applicable
  02/09/2026 09 PM PST            4.79            909         -      Not Applicable
  02/09/2026 10 PM PST            4.79            909         0      Not Applicable
  02/09/2026 11 PM PST            4.79            909         0      Not Applicable
  02/10/2026 12 AM PST            4.78            903         -      Not Applicable
  02/10/2026 01 AM PST            4.78            903         0      Not Applicable
  02/10/2026 02 AM PST            4.77            898         -      Not Applicable
  02/10/2026 03 AM PST            4.76            893         -      Not Applicable
  02/10/2026 04 AM PST            4.76            893         0      Not Applicable
  02/10/2026 05 AM PST            4.75            888         -      Not Applicable
  02/10/2026 06 AM PST            4.75            888         0      Not Applicable
  02/10/2026 07 AM PST            4.74            882         -      Not Applicable
  02/10/2026 08 AM PST            4.74            882         0      Not Applicable
  02/10/2026 09 AM PST            4.73            877         -      Not Applicable
  02/10/2026 10 AM PST            4.73            877         0      Not Applicable
  02/10/2026 11 AM PST            4.72            872         -      Not Applicable
  02/10/2026 12 PM PST            4.71            867         -      Not Applicable
  02/10/2026 01 PM PST            4.71            867         0      Not Applicable
  02/10/2026 02 PM PST            4.70            861         -      Not Applicable
  02/10/2026 03 PM PST            4.70            861         0      Not Applicable
  02/10/2026 04 PM PST            4.69            856         -      Not Applicable
  02/10/2026 05 PM PST            4.69            856         0      Not Applicable
  02/10/2026 06 PM PST            4.68            851         -      Not Applicable
  02/10/2026 07 PM PST            4.68            851         0      Not Applicable
  02/10/2026 08 PM PST            4.68            851         0      Not Applicable
  02/10/2026 09 PM PST            4.68            851         0      Not Applicable
  02/10/2026 10 PM PST            4.68            851         0      Not Applicable
  02/10/2026 11 PM PST            4.68            851         0      Not Applicable
  02/11/2026 12 AM PST            4.68            851         0      Not Applicable
  02/11/2026 01 AM PST            4.68            851         0      Not Applicable
  02/11/2026 02 AM PST            4.68            851         0      Not Applicable
  02/11/2026 03 AM PST            4.69            856         +      Not Applicable
  02/11/2026 04 AM PST            4.70            861         +      Not Applicable
  02/11/2026 05 AM PST            4.72            872         +      Not Applicable
  02/11/2026 06 AM PST            4.75            888         +      Not Applicable
  02/11/2026 07 AM PST            4.78            903         +      Not Applicable
  02/11/2026 08 AM PST            4.83            930         +      Not Applicable
  02/11/2026 09 AM PST            4.88            957         +      Not Applicable
  02/11/2026 10 AM PST            4.93            985         +      Not Applicable
  02/11/2026 11 AM PST            4.99           1019         +      Not Applicable
  02/11/2026 12 PM PST            5.05           1053         +      Not Applicable
  02/11/2026 01 PM PST            5.11           1088         +      Not Applicable
  02/11/2026 02 PM PST            5.16           1118         +      Not Applicable
  02/11/2026 03 PM PST            5.20           1142         +      Not Applicable
  02/11/2026 04 PM PST            5.24           1167         +      Not Applicable
  02/11/2026 05 PM PST            5.27           1185         +      Not Applicable
  02/11/2026 06 PM PST            5.29           1198         +      Not Applicable
  02/11/2026 07 PM PST            5.32           1216         +      Not Applicable
  02/11/2026 08 PM PST            5.33           1223         +      Not Applicable
  02/11/2026 09 PM PST            5.35           1235         +      Not Applicable
  02/11/2026 10 PM PST            5.37           1248         +      Not Applicable
  02/11/2026 11 PM PST            5.38           1254         +      Not Applicable
  02/12/2026 12 AM PST            5.38           1254         0      Not Applicable
  02/12/2026 01 AM PST            5.38           1254         0      Not Applicable
  02/12/2026 02 AM PST            5.38           1254         0      Not Applicable
  02/12/2026 03 AM PST            5.38           1254         0      Not Applicable
  02/12/2026 04 AM PST            5.37           1248         -      Not Applicable
  02/12/2026 05 AM PST            5.36           1242         -      Not Applicable
  02/12/2026 06 AM PST            5.35           1235         -      Not Applicable
  02/12/2026 07 AM PST            5.34           1229         -      Not Applicable
  02/12/2026 08 AM PST            5.33           1223         -      Not Applicable
  02/12/2026 09 AM PST            5.33           1223         0      Not Applicable
  02/12/2026 10 AM PST            5.32           1216         -      Not Applicable
  02/12/2026 11 AM PST            5.32           1216         0      Not Applicable
  02/12/2026 12 PM PST            5.31           1210         -      Not Applicable
  02/12/2026 01 PM PST            5.31           1210         0      Not Applicable
  02/12/2026 02 PM PST            5.31           1210         0      Not Applicable
  02/12/2026 03 PM PST            5.31           1210         0      Not Applicable
  02/12/2026 04 PM PST            5.31           1210         0      Not Applicable
  02/12/2026 05 PM PST            5.32           1216         +      Not Applicable
  02/12/2026 06 PM PST            5.32           1216         0      Not Applicable
  02/12/2026 07 PM PST            5.32           1216         0      Not Applicable
  02/12/2026 08 PM PST            5.32           1216         0      Not Applicable
  02/12/2026 09 PM PST            5.32           1216         0      Not Applicable
  02/12/2026 10 PM PST            5.32           1216         0      Not Applicable
  02/12/2026 11 PM PST            5.32           1216         0      Not Applicable
  02/13/2026 12 AM PST            5.32           1216         0      Not Applicable
  02/13/2026 01 AM PST            5.32           1216         0      Not Applicable
  02/13/2026 02 AM PST            5.33           1223         +      Not Applicable
  02/13/2026 03 AM PST            5.33           1223         0      Not Applicable
  02/13/2026 04 AM PST            5.33           1223         0      Not Applicable
  02/13/2026 05 AM PST            5.33           1223         0      Not Applicable
  02/13/2026 06 AM PST            5.33           1223         0      Not Applicable
  02/13/2026 07 AM PST            5.32           1216         -      Not Applicable
  02/13/2026 08 AM PST            5.32           1216         0      Not Applicable
  02/13/2026 09 AM PST            5.32           1216         0      Not Applicable
  02/13/2026 10 AM PST            5.32           1216         0      Not Applicable
  02/13/2026 11 AM PST            5.32           1216         0      Not Applicable
  02/13/2026 12 PM PST            5.32           1216         0      Not Applicable
  02/13/2026 01 PM PST            5.31           1210         -      Not Applicable
  02/13/2026 02 PM PST            5.31           1210         0      Not Applicable
  02/13/2026 03 PM PST            5.30           1204         -      Not Applicable
  02/13/2026 04 PM PST            5.30           1204         0      Not Applicable
  02/13/2026 05 PM PST            5.30           1204         0      Not Applicable
  02/13/2026 06 PM PST            5.29           1198         -      Not Applicable
  02/13/2026 07 PM PST            5.29           1198         0      Not Applicable
  02/13/2026 08 PM PST            5.28           1191         -      Not Applicable
  02/13/2026 09 PM PST            5.28           1191         0      Not Applicable
  02/13/2026 10 PM PST            5.27           1185         -      Not Applicable
  02/13/2026 11 PM PST            5.27           1185         0      Not Applicable
  02/14/2026 12 AM PST            5.26           1179         -      Not Applicable
  02/14/2026 01 AM PST            5.26           1179         0      Not Applicable
  02/14/2026 02 AM PST            5.26           1179         0      Not Applicable
  02/14/2026 03 AM PST            5.25           1173         -      Not Applicable
  02/14/2026 04 AM PST            5.25           1173         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.