National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 | 

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 11 2026 at 7:58 AM PSTNext Issuance: Feb 11 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:  02/11/2026 at 08:01 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/09/2026 at 09:00 AM PST
# Maximum Observed Stage:                       4.77 Feet
# Maximum Observed Flow:                        898 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/16/2026 at 04:00 AM PST
# Maximum Forecast Stage:                       5.83 Feet
# Maximum Forecast Flow:                        1562 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  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            4.74            882         -      Not Applicable
  02/09/2026 07 AM PST            4.75            888         +      Not Applicable
  02/09/2026 08 AM PST            4.76            893         +      Not Applicable
  02/09/2026 09 AM PST            4.77            898         +      Not Applicable
  02/09/2026 10 AM PST            4.76            893         -      Not Applicable
  02/09/2026 11 AM PST            4.76            893         0      Not Applicable
  02/09/2026 12 PM PST            4.76            893         0      Not Applicable
  02/09/2026 01 PM PST            4.75            888         -      Not Applicable
  02/09/2026 02 PM PST            4.76            893         +      Not Applicable
  02/09/2026 03 PM PST            4.76            893         0      Not Applicable
  02/09/2026 04 PM PST            4.76            893         0      Not Applicable
  02/09/2026 05 PM PST            4.74            882         -      Not Applicable
  02/09/2026 06 PM PST            4.74            882         0      Not Applicable
  02/09/2026 07 PM PST            4.75            888         +      Not Applicable
  02/09/2026 08 PM PST            4.74            882         -      Not Applicable
  02/09/2026 09 PM PST            4.74            882         0      Not Applicable
  02/09/2026 10 PM PST            4.74            882         0      Not Applicable
  02/09/2026 11 PM PST            4.74            882         0      Not Applicable
  02/10/2026 12 AM PST            4.73            877         -      Not Applicable
  02/10/2026 01 AM PST            4.73            877         0      Not Applicable
  02/10/2026 02 AM PST            4.72            872         -      Not Applicable
  02/10/2026 03 AM PST            4.72            872         0      Not Applicable
  02/10/2026 04 AM PST            4.71            867         -      Not Applicable
  02/10/2026 05 AM PST            4.71            867         0      Not Applicable
  02/10/2026 06 AM PST            4.70            861         -      Not Applicable
  02/10/2026 07 AM PST            4.70            861         0      Not Applicable
  02/10/2026 08 AM PST            4.70            861         0      Not Applicable
  02/10/2026 09 AM PST            4.69            856         -      Not Applicable
  02/10/2026 10 AM PST            4.69            856         0      Not Applicable
  02/10/2026 11 AM PST            4.69            856         0      Not Applicable
  02/10/2026 12 PM PST            4.69            856         0      Not Applicable
  02/10/2026 01 PM PST            4.69            856         0      Not Applicable
  02/10/2026 02 PM PST            4.68            851         -      Not Applicable
  02/10/2026 03 PM PST            4.68            851         0      Not Applicable
  02/10/2026 04 PM PST            4.67            846         -      Not Applicable
  02/10/2026 05 PM PST            4.67            846         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            4.67            846         -      Not Applicable
  02/10/2026 09 PM PST            4.68            851         +      Not Applicable
  02/10/2026 10 PM PST            4.67            846         -      Not Applicable
  02/10/2026 11 PM PST            4.68            851         +      Not Applicable
  02/11/2026 12 AM PST            4.67            846         -      Not Applicable
  02/11/2026 01 AM PST            4.67            846         0      Not Applicable
  02/11/2026 02 AM PST            4.68            851         +      Not Applicable
  02/11/2026 03 AM PST            4.68            851         0      Not Applicable
  02/11/2026 04 AM PST            4.68            851         0      Not Applicable
  02/11/2026 05 AM PST            4.68            851         0      Not Applicable
  02/11/2026 06 AM PST            4.67            846         -      Not Applicable
  02/11/2026 07 AM PST            4.67            846         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/11/2026 08 AM PST            4.67            846                Not Applicable
  02/11/2026 09 AM PST            4.67            846         0      Not Applicable
  02/11/2026 10 AM PST            4.67            846         0      Not Applicable
  02/11/2026 11 AM PST            4.68            851         +      Not Applicable
  02/11/2026 12 PM PST            4.68            851         0      Not Applicable
  02/11/2026 01 PM PST            4.69            856         +      Not Applicable
  02/11/2026 02 PM PST            4.69            856         0      Not Applicable
  02/11/2026 03 PM PST            4.70            861         +      Not Applicable
  02/11/2026 04 PM PST            4.71            867         +      Not Applicable
  02/11/2026 05 PM PST            4.71            867         0      Not Applicable
  02/11/2026 06 PM PST            4.72            872         +      Not Applicable
  02/11/2026 07 PM PST            4.73            877         +      Not Applicable
  02/11/2026 08 PM PST            4.74            882         +      Not Applicable
  02/11/2026 09 PM PST            4.75            888         +      Not Applicable
  02/11/2026 10 PM PST            4.75            888         0      Not Applicable
  02/11/2026 11 PM PST            4.76            893         +      Not Applicable
  02/12/2026 12 AM PST            4.77            898         +      Not Applicable
  02/12/2026 01 AM PST            4.78            903         +      Not Applicable
  02/12/2026 02 AM PST            4.78            903         0      Not Applicable
  02/12/2026 03 AM PST            4.79            909         +      Not Applicable
  02/12/2026 04 AM PST            4.79            909         0      Not Applicable
  02/12/2026 05 AM PST            4.80            914         +      Not Applicable
  02/12/2026 06 AM PST            4.80            914         0      Not Applicable
  02/12/2026 07 AM PST            4.80            914         0      Not Applicable
  02/12/2026 08 AM PST            4.80            914         0      Not Applicable
  02/12/2026 09 AM PST            4.80            914         0      Not Applicable
  02/12/2026 10 AM PST            4.81            919         +      Not Applicable
  02/12/2026 11 AM PST            4.81            919         0      Not Applicable
  02/12/2026 12 PM PST            4.80            914         -      Not Applicable
  02/12/2026 01 PM PST            4.80            914         0      Not Applicable
  02/12/2026 02 PM PST            4.80            914         0      Not Applicable
  02/12/2026 03 PM PST            4.80            914         0      Not Applicable
  02/12/2026 04 PM PST            4.80            914         0      Not Applicable
  02/12/2026 05 PM PST            4.80            914         0      Not Applicable
  02/12/2026 06 PM PST            4.79            909         -      Not Applicable
  02/12/2026 07 PM PST            4.79            909         0      Not Applicable
  02/12/2026 08 PM PST            4.79            909         0      Not Applicable
  02/12/2026 09 PM PST            4.78            903         -      Not Applicable
  02/12/2026 10 PM PST            4.78            903         0      Not Applicable
  02/12/2026 11 PM PST            4.78            903         0      Not Applicable
  02/13/2026 12 AM PST            4.77            898         -      Not Applicable
  02/13/2026 01 AM PST            4.77            898         0      Not Applicable
  02/13/2026 02 AM PST            4.76            893         -      Not Applicable
  02/13/2026 03 AM PST            4.76            893         0      Not Applicable
  02/13/2026 04 AM PST            4.76            893         0      Not Applicable
  02/13/2026 05 AM PST            4.75            888         -      Not Applicable
  02/13/2026 06 AM PST            4.75            888         0      Not Applicable
  02/13/2026 07 AM PST            4.74            882         -      Not Applicable
  02/13/2026 08 AM PST            4.74            882         0      Not Applicable
  02/13/2026 09 AM PST            4.74            882         0      Not Applicable
  02/13/2026 10 AM PST            4.73            877         -      Not Applicable
  02/13/2026 11 AM PST            4.73            877         0      Not Applicable
  02/13/2026 12 PM PST            4.72            872         -      Not Applicable
  02/13/2026 01 PM PST            4.72            872         0      Not Applicable
  02/13/2026 02 PM PST            4.71            867         -      Not Applicable
  02/13/2026 03 PM PST            4.71            867         0      Not Applicable
  02/13/2026 04 PM PST            4.71            867         0      Not Applicable
  02/13/2026 05 PM PST            4.70            861         -      Not Applicable
  02/13/2026 06 PM PST            4.70            861         0      Not Applicable
  02/13/2026 07 PM PST            4.69            856         -      Not Applicable
  02/13/2026 08 PM PST            4.69            856         0      Not Applicable
  02/13/2026 09 PM PST            4.68            851         -      Not Applicable
  02/13/2026 10 PM PST            4.68            851         0      Not Applicable
  02/13/2026 11 PM PST            4.67            846         -      Not Applicable
  02/14/2026 12 AM PST            4.67            846         0      Not Applicable
  02/14/2026 01 AM PST            4.66            841         -      Not Applicable
  02/14/2026 02 AM PST            4.66            841         0      Not Applicable
  02/14/2026 03 AM PST            4.66            841         0      Not Applicable
  02/14/2026 04 AM PST            4.65            836         -      Not Applicable
  02/14/2026 05 AM PST            4.65            836         0      Not Applicable
  02/14/2026 06 AM PST            4.64            831         -      Not Applicable
  02/14/2026 07 AM PST            4.64            831         0      Not Applicable
  02/14/2026 08 AM PST            4.63            826         -      Not Applicable
  02/14/2026 09 AM PST            4.63            826         0      Not Applicable
  02/14/2026 10 AM PST            4.63            826         0      Not Applicable
  02/14/2026 11 AM PST            4.62            821         -      Not Applicable
  02/14/2026 12 PM PST            4.62            821         0      Not Applicable
  02/14/2026 01 PM PST            4.62            821         0      Not Applicable
  02/14/2026 02 PM PST            4.61            816         -      Not Applicable
  02/14/2026 03 PM PST            4.61            816         0      Not Applicable
  02/14/2026 04 PM PST            4.61            816         0      Not Applicable
  02/14/2026 05 PM PST            4.60            811         -      Not Applicable
  02/14/2026 06 PM PST            4.60            811         0      Not Applicable
  02/14/2026 07 PM PST            4.60            811         0      Not Applicable
  02/14/2026 08 PM PST            4.60            811         0      Not Applicable
  02/14/2026 09 PM PST            4.60            811         0      Not Applicable
  02/14/2026 10 PM PST            4.60            811         0      Not Applicable
  02/14/2026 11 PM PST            4.60            811         0      Not Applicable
  02/15/2026 12 AM PST            4.60            811         0      Not Applicable
  02/15/2026 01 AM PST            4.60            811         0      Not Applicable
  02/15/2026 02 AM PST            4.60            811         0      Not Applicable
  02/15/2026 03 AM PST            4.61            816         +      Not Applicable
  02/15/2026 04 AM PST            4.61            816         0      Not Applicable
  02/15/2026 05 AM PST            4.62            821         +      Not Applicable
  02/15/2026 06 AM PST            4.64            831         +      Not Applicable
  02/15/2026 07 AM PST            4.66            841         +      Not Applicable
  02/15/2026 08 AM PST            4.68            851         +      Not Applicable
  02/15/2026 09 AM PST            4.71            867         +      Not Applicable
  02/15/2026 10 AM PST            4.74            882         +      Not Applicable
  02/15/2026 11 AM PST            4.78            903         +      Not Applicable
  02/15/2026 12 PM PST            4.83            930         +      Not Applicable
  02/15/2026 01 PM PST            4.90            968         +      Not Applicable
  02/15/2026 02 PM PST            4.97           1007         +      Not Applicable
  02/15/2026 03 PM PST            5.04           1047         +      Not Applicable
  02/15/2026 04 PM PST            5.10           1082         +      Not Applicable
  02/15/2026 05 PM PST            5.17           1124         +      Not Applicable
  02/15/2026 06 PM PST            5.24           1167         +      Not Applicable
  02/15/2026 07 PM PST            5.30           1204         +      Not Applicable
  02/15/2026 08 PM PST            5.36           1242         +      Not Applicable
  02/15/2026 09 PM PST            5.42           1280         +      Not Applicable
  02/15/2026 10 PM PST            5.47           1313         +      Not Applicable
  02/15/2026 11 PM PST            5.53           1353         +      Not Applicable
  02/16/2026 12 AM PST            5.59           1393         +      Not Applicable
  02/16/2026 01 AM PST            5.64           1427         +      Not Applicable
  02/16/2026 02 AM PST            5.70           1469         +      Not Applicable
  02/16/2026 03 AM PST            5.77           1519         +      Not Applicable
  02/16/2026 04 AM PST            5.83           1562         +      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.