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: Sep 23 2026 at 6:55 AM PDTNext Issuance: Sep 24 2026 at 9:00 AM PDT
Action: 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:  09/23/2026 at 06:56 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/19/2026 at 03:00 AM PDT
# Maximum Observed Stage:                       2.60 Feet
# Maximum Observed Flow:                        67 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/23/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       2.56 Feet
# Maximum Forecast Flow:                        62 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/18/2026 06 AM PDT            2.58             65                Not Applicable
  09/18/2026 07 AM PDT            2.58             65         0      Not Applicable
  09/18/2026 08 AM PDT            2.58             65         0      Not Applicable
  09/18/2026 09 AM PDT            2.58             65         0      Not Applicable
  09/18/2026 10 AM PDT            2.59             66         +      Not Applicable
  09/18/2026 11 AM PDT            2.59             66         0      Not Applicable
  09/18/2026 12 PM PDT            2.59             66         0      Not Applicable
  09/18/2026 01 PM PDT            2.59             66         0      Not Applicable
  09/18/2026 02 PM PDT            2.59             66         0      Not Applicable
  09/18/2026 03 PM PDT            2.59             66         0      Not Applicable
  09/18/2026 04 PM PDT            2.59             66         0      Not Applicable
  09/18/2026 05 PM PDT            2.58             65         -      Not Applicable
  09/18/2026 06 PM PDT            2.59             66         +      Not Applicable
  09/18/2026 07 PM PDT            2.59             66         0      Not Applicable
  09/18/2026 08 PM PDT            2.59             66         0      Not Applicable
  09/18/2026 09 PM PDT            2.60             67         +      Not Applicable
  09/18/2026 10 PM PDT            2.60             67         0      Not Applicable
  09/18/2026 11 PM PDT            2.59             66         -      Not Applicable
  09/19/2026 12 AM PDT            2.60             67         +      Not Applicable
  09/19/2026 01 AM PDT            2.60             67         0      Not Applicable
  09/19/2026 02 AM PDT            2.59             66         -      Not Applicable
  09/19/2026 03 AM PDT            2.60             67         +      Not Applicable
  09/19/2026 04 AM PDT            2.59             66         -      Not Applicable
  09/19/2026 05 AM PDT            2.59             66         0      Not Applicable
  09/19/2026 06 AM PDT            2.59             66         0      Not Applicable
  09/19/2026 07 AM PDT            2.59             66         0      Not Applicable
  09/19/2026 08 AM PDT            2.59             66         0      Not Applicable
  09/19/2026 09 AM PDT            2.59             66         0      Not Applicable
  09/19/2026 10 AM PDT            2.59             66         0      Not Applicable
  09/19/2026 11 AM PDT            2.59             66         0      Not Applicable
  09/19/2026 12 PM PDT            2.59             66         0      Not Applicable
  09/19/2026 01 PM PDT            2.59             66         0      Not Applicable
  09/19/2026 02 PM PDT            2.59             66         0      Not Applicable
  09/19/2026 03 PM PDT            2.59             66         0      Not Applicable
  09/19/2026 04 PM PDT            2.58             65         -      Not Applicable
  09/19/2026 05 PM PDT            2.58             65         0      Not Applicable
  09/19/2026 06 PM PDT            2.58             65         0      Not Applicable
  09/19/2026 07 PM PDT            2.58             65         0      Not Applicable
  09/19/2026 08 PM PDT            2.58             65         0      Not Applicable
  09/19/2026 09 PM PDT            2.58             65         0      Not Applicable
  09/19/2026 10 PM PDT            2.59             66         +      Not Applicable
  09/19/2026 11 PM PDT            2.59             66         0      Not Applicable
  09/20/2026 12 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 01 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 02 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 03 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 04 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 05 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 06 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 07 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 08 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 09 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 10 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 11 AM PDT            2.59             66         0      Not Applicable
  09/20/2026 12 PM PDT            2.59             66         0      Not Applicable
  09/20/2026 01 PM PDT            2.58             65         -      Not Applicable
  09/20/2026 02 PM PDT            2.58             65         0      Not Applicable
  09/20/2026 03 PM PDT            2.58             65         0      Not Applicable
  09/20/2026 04 PM PDT            2.58             65         0      Not Applicable
  09/20/2026 05 PM PDT            2.58             65         0      Not Applicable
  09/20/2026 06 PM PDT            2.57             63         -      Not Applicable
  09/20/2026 07 PM PDT            2.58             65         +      Not Applicable
  09/20/2026 08 PM PDT            2.58             65         0      Not Applicable
  09/20/2026 09 PM PDT            2.58             65         0      Not Applicable
  09/20/2026 10 PM PDT            2.58             65         0      Not Applicable
  09/20/2026 11 PM PDT            2.58             65         0      Not Applicable
  09/21/2026 12 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 01 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 02 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 03 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 04 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 05 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 06 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 07 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 08 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 09 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 10 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 11 AM PDT            2.58             65         0      Not Applicable
  09/21/2026 12 PM PDT            2.58             65         0      Not Applicable
  09/21/2026 01 PM PDT            2.58             65         0      Not Applicable
  09/21/2026 02 PM PDT            2.57             63         -      Not Applicable
  09/21/2026 03 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 04 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 05 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 06 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 07 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 08 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 09 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 10 PM PDT            2.57             63         0      Not Applicable
  09/21/2026 11 PM PDT            2.57             63         0      Not Applicable
  09/22/2026 12 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 01 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 02 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 03 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 04 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 05 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 06 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 07 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 08 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 09 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 10 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 11 AM PDT            2.57             63         0      Not Applicable
  09/22/2026 12 PM PDT            2.57             63         0      Not Applicable
  09/22/2026 01 PM PDT            2.56             62         -      Not Applicable
  09/22/2026 02 PM PDT            2.57             63         +      Not Applicable
  09/22/2026 03 PM PDT            2.56             62         -      Not Applicable
  09/22/2026 04 PM PDT            2.56             62         0      Not Applicable
  09/22/2026 05 PM PDT            2.56             62         0      Not Applicable
  09/22/2026 06 PM PDT            2.56             62         0      Not Applicable
  09/22/2026 07 PM PDT            2.55             60         -      Not Applicable
  09/22/2026 08 PM PDT            2.56             62         +      Not Applicable
  09/22/2026 09 PM PDT            2.56             62         0      Not Applicable
  09/22/2026 10 PM PDT            2.56             62         0      Not Applicable
  09/22/2026 11 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 12 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 01 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 02 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 03 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 04 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 05 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 06 AM PDT            2.56             62         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/23/2026 07 AM PDT            2.56             62                Not Applicable
  09/23/2026 08 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 09 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 10 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 11 AM PDT            2.56             62         0      Not Applicable
  09/23/2026 12 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 01 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 02 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 03 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 04 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 05 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 06 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 07 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 08 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 09 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 10 PM PDT            2.56             62         0      Not Applicable
  09/23/2026 11 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 12 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 01 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 02 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 03 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 04 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 05 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 06 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 07 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 08 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 09 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 10 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 11 AM PDT            2.56             62         0      Not Applicable
  09/24/2026 12 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 01 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 02 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 03 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 04 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 05 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 06 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 07 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 08 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 09 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 10 PM PDT            2.56             62         0      Not Applicable
  09/24/2026 11 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 12 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 01 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 02 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 03 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 04 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 05 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 06 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 07 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 08 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 09 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 10 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 11 AM PDT            2.56             62         0      Not Applicable
  09/25/2026 12 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 01 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 02 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 03 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 04 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 05 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 06 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 07 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 08 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 09 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 10 PM PDT            2.56             62         0      Not Applicable
  09/25/2026 11 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 12 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 01 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 02 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 03 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 04 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 05 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 06 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 07 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 08 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 09 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 10 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 11 AM PDT            2.56             62         0      Not Applicable
  09/26/2026 12 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 01 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 02 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 03 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 04 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 05 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 06 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 07 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 08 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 09 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 10 PM PDT            2.56             62         0      Not Applicable
  09/26/2026 11 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 12 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 01 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 02 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 03 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 04 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 05 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 06 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 07 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 08 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 09 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 10 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 11 AM PDT            2.56             62         0      Not Applicable
  09/27/2026 12 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 01 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 02 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 03 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 04 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 05 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 06 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 07 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 08 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 09 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 10 PM PDT            2.56             62         0      Not Applicable
  09/27/2026 11 PM PDT            2.56             62         0      Not Applicable
  09/28/2026 12 AM PDT            2.56             62         0      Not Applicable
  09/28/2026 01 AM PDT            2.56             62         0      Not Applicable
  09/28/2026 02 AM PDT            2.56             62         0      Not Applicable
  09/28/2026 03 AM PDT            2.56             62         0      Not Applicable
  09/28/2026 04 AM PDT            2.56             62         0      Not Applicable
  09/28/2026 05 AM PDT            2.56             62         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.