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: Jun 17 2026 at 7:27 AM PDTNext Issuance: Jun 18 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:  06/17/2026 at 07:28 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/12/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       3.22 Feet
# Maximum Observed Flow:                        297 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/17/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       3.09 Feet
# Maximum Forecast Flow:                        262 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/12/2026 07 AM PDT            3.22            297                Not Applicable
  06/12/2026 08 AM PDT            3.22            297         0      Not Applicable
  06/12/2026 09 AM PDT            3.22            297         0      Not Applicable
  06/12/2026 10 AM PDT            3.22            297         0      Not Applicable
  06/12/2026 11 AM PDT            3.22            297         0      Not Applicable
  06/12/2026 12 PM PDT            3.22            297         0      Not Applicable
  06/12/2026 01 PM PDT            3.22            297         0      Not Applicable
  06/12/2026 02 PM PDT            3.21            294         -      Not Applicable
  06/12/2026 03 PM PDT            3.21            294         0      Not Applicable
  06/12/2026 04 PM PDT            3.21            294         0      Not Applicable
  06/12/2026 05 PM PDT            3.20            292         -      Not Applicable
  06/12/2026 06 PM PDT            3.20            292         0      Not Applicable
  06/12/2026 07 PM PDT            3.20            292         0      Not Applicable
  06/12/2026 08 PM PDT            3.20            292         0      Not Applicable
  06/12/2026 09 PM PDT            3.20            292         0      Not Applicable
  06/12/2026 10 PM PDT            3.20            292         0      Not Applicable
  06/12/2026 11 PM PDT            3.20            292         0      Not Applicable
  06/13/2026 12 AM PDT            3.19            289         -      Not Applicable
  06/13/2026 01 AM PDT            3.19            289         0      Not Applicable
  06/13/2026 02 AM PDT            3.20            292         +      Not Applicable
  06/13/2026 03 AM PDT            3.20            292         0      Not Applicable
  06/13/2026 04 AM PDT            3.19            289         -      Not Applicable
  06/13/2026 05 AM PDT            3.20            292         +      Not Applicable
  06/13/2026 06 AM PDT            3.19            289         -      Not Applicable
  06/13/2026 07 AM PDT            3.19            289         0      Not Applicable
  06/13/2026 08 AM PDT            3.19            289         0      Not Applicable
  06/13/2026 09 AM PDT            3.19            289         0      Not Applicable
  06/13/2026 10 AM PDT            3.20            292         +      Not Applicable
  06/13/2026 11 AM PDT            3.19            289         -      Not Applicable
  06/13/2026 12 PM PDT            3.19            289         0      Not Applicable
  06/13/2026 01 PM PDT            3.19            289         0      Not Applicable
  06/13/2026 02 PM PDT            3.19            289         0      Not Applicable
  06/13/2026 03 PM PDT            3.18            286         -      Not Applicable
  06/13/2026 04 PM PDT            3.18            286         0      Not Applicable
  06/13/2026 05 PM PDT            3.18            286         0      Not Applicable
  06/13/2026 06 PM PDT            3.18            286         0      Not Applicable
  06/13/2026 07 PM PDT            3.17            283         -      Not Applicable
  06/13/2026 08 PM PDT            3.18            286         +      Not Applicable
  06/13/2026 09 PM PDT            3.18            286         0      Not Applicable
  06/13/2026 10 PM PDT            3.17            283         -      Not Applicable
  06/13/2026 11 PM PDT            3.17            283         0      Not Applicable
  06/14/2026 12 AM PDT            3.17            283         0      Not Applicable
  06/14/2026 01 AM PDT            3.17            283         0      Not Applicable
  06/14/2026 02 AM PDT            3.16            281         -      Not Applicable
  06/14/2026 03 AM PDT            3.17            283         +      Not Applicable
  06/14/2026 04 AM PDT            3.17            283         0      Not Applicable
  06/14/2026 05 AM PDT            3.16            281         -      Not Applicable
  06/14/2026 06 AM PDT            3.16            281         0      Not Applicable
  06/14/2026 07 AM PDT            3.16            281         0      Not Applicable
  06/14/2026 08 AM PDT            3.16            281         0      Not Applicable
  06/14/2026 09 AM PDT            3.16            281         0      Not Applicable
  06/14/2026 10 AM PDT            3.16            281         0      Not Applicable
  06/14/2026 11 AM PDT            3.16            281         0      Not Applicable
  06/14/2026 12 PM PDT            3.16            281         0      Not Applicable
  06/14/2026 01 PM PDT            3.16            281         0      Not Applicable
  06/14/2026 02 PM PDT            3.16            281         0      Not Applicable
  06/14/2026 03 PM PDT            3.15            278         -      Not Applicable
  06/14/2026 04 PM PDT            3.15            278         0      Not Applicable
  06/14/2026 05 PM PDT            3.15            278         0      Not Applicable
  06/14/2026 06 PM PDT            3.15            278         0      Not Applicable
  06/14/2026 07 PM PDT            3.15            278         0      Not Applicable
  06/14/2026 08 PM PDT            3.14            275         -      Not Applicable
  06/14/2026 09 PM PDT            3.15            278         +      Not Applicable
  06/14/2026 10 PM PDT            3.15            278         0      Not Applicable
  06/14/2026 11 PM PDT            3.14            275         -      Not Applicable
  06/15/2026 12 AM PDT            3.14            275         0      Not Applicable
  06/15/2026 01 AM PDT            3.14            275         0      Not Applicable
  06/15/2026 02 AM PDT            3.14            275         0      Not Applicable
  06/15/2026 03 AM PDT            3.13            273         -      Not Applicable
  06/15/2026 04 AM PDT            3.13            273         0      Not Applicable
  06/15/2026 05 AM PDT            3.14            275         +      Not Applicable
  06/15/2026 06 AM PDT            3.14            275         0      Not Applicable
  06/15/2026 07 AM PDT            3.14            275         0      Not Applicable
  06/15/2026 08 AM PDT            3.14            275         0      Not Applicable
  06/15/2026 09 AM PDT            3.13            273         -      Not Applicable
  06/15/2026 10 AM PDT            3.13            273         0      Not Applicable
  06/15/2026 11 AM PDT            3.13            273         0      Not Applicable
  06/15/2026 12 PM PDT            3.14            275         +      Not Applicable
  06/15/2026 01 PM PDT            3.13            273         -      Not Applicable
  06/15/2026 02 PM PDT            3.13            273         0      Not Applicable
  06/15/2026 03 PM PDT            3.13            273         0      Not Applicable
  06/15/2026 04 PM PDT            3.13            273         0      Not Applicable
  06/15/2026 05 PM PDT            3.12            270         -      Not Applicable
  06/15/2026 06 PM PDT            3.13            273         +      Not Applicable
  06/15/2026 07 PM PDT            3.12            270         -      Not Applicable
  06/15/2026 08 PM PDT            3.12            270         0      Not Applicable
  06/15/2026 09 PM PDT            3.12            270         0      Not Applicable
  06/15/2026 10 PM PDT            3.12            270         0      Not Applicable
  06/15/2026 11 PM PDT            3.12            270         0      Not Applicable
  06/16/2026 12 AM PDT            3.12            270         0      Not Applicable
  06/16/2026 01 AM PDT            3.11            267         -      Not Applicable
  06/16/2026 02 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 03 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 04 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 05 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 06 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 07 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 08 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 09 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 10 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 11 AM PDT            3.11            267         0      Not Applicable
  06/16/2026 12 PM PDT            3.11            267         0      Not Applicable
  06/16/2026 01 PM PDT            3.11            267         0      Not Applicable
  06/16/2026 02 PM PDT            3.11            267         0      Not Applicable
  06/16/2026 03 PM PDT            3.10            265         -      Not Applicable
  06/16/2026 04 PM PDT            3.10            265         0      Not Applicable
  06/16/2026 05 PM PDT            3.10            265         0      Not Applicable
  06/16/2026 06 PM PDT            3.10            265         0      Not Applicable
  06/16/2026 07 PM PDT            3.10            265         0      Not Applicable
  06/16/2026 08 PM PDT            3.09            262         -      Not Applicable
  06/16/2026 09 PM PDT            3.09            262         0      Not Applicable
  06/16/2026 10 PM PDT            3.09            262         0      Not Applicable
  06/16/2026 11 PM PDT            3.09            262         0      Not Applicable
  06/17/2026 12 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 01 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 02 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 03 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 04 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 05 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 06 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 07 AM PDT            3.09            262         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/17/2026 08 AM PDT            3.09            262                Not Applicable
  06/17/2026 09 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 10 AM PDT            3.09            262         0      Not Applicable
  06/17/2026 11 AM PDT            3.08            260         -      Not Applicable
  06/17/2026 12 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 01 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 02 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 03 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 04 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 05 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 06 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 07 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 08 PM PDT            3.08            260         0      Not Applicable
  06/17/2026 09 PM PDT            3.07            257         -      Not Applicable
  06/17/2026 10 PM PDT            3.07            257         0      Not Applicable
  06/17/2026 11 PM PDT            3.07            257         0      Not Applicable
  06/18/2026 12 AM PDT            3.07            257         0      Not Applicable
  06/18/2026 01 AM PDT            3.07            257         0      Not Applicable
  06/18/2026 02 AM PDT            3.07            257         0      Not Applicable
  06/18/2026 03 AM PDT            3.07            257         0      Not Applicable
  06/18/2026 04 AM PDT            3.07            257         0      Not Applicable
  06/18/2026 05 AM PDT            3.07            257         0      Not Applicable
  06/18/2026 06 AM PDT            3.06            254         -      Not Applicable
  06/18/2026 07 AM PDT            3.06            254         0      Not Applicable
  06/18/2026 08 AM PDT            3.06            254         0      Not Applicable
  06/18/2026 09 AM PDT            3.06            254         0      Not Applicable
  06/18/2026 10 AM PDT            3.06            254         0      Not Applicable
  06/18/2026 11 AM PDT            3.06            254         0      Not Applicable
  06/18/2026 12 PM PDT            3.06            254         0      Not Applicable
  06/18/2026 01 PM PDT            3.06            254         0      Not Applicable
  06/18/2026 02 PM PDT            3.06            254         0      Not Applicable
  06/18/2026 03 PM PDT            3.06            254         0      Not Applicable
  06/18/2026 04 PM PDT            3.06            254         0      Not Applicable
  06/18/2026 05 PM PDT            3.06            254         0      Not Applicable
  06/18/2026 06 PM PDT            3.05            252         -      Not Applicable
  06/18/2026 07 PM PDT            3.05            252         0      Not Applicable
  06/18/2026 08 PM PDT            3.05            252         0      Not Applicable
  06/18/2026 09 PM PDT            3.05            252         0      Not Applicable
  06/18/2026 10 PM PDT            3.05            252         0      Not Applicable
  06/18/2026 11 PM PDT            3.05            252         0      Not Applicable
  06/19/2026 12 AM PDT            3.05            252         0      Not Applicable
  06/19/2026 01 AM PDT            3.04            249         -      Not Applicable
  06/19/2026 02 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 03 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 04 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 05 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 06 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 07 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 08 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 09 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 10 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 11 AM PDT            3.04            249         0      Not Applicable
  06/19/2026 12 PM PDT            3.03            247         -      Not Applicable
  06/19/2026 01 PM PDT            3.03            247         0      Not Applicable
  06/19/2026 02 PM PDT            3.03            247         0      Not Applicable
  06/19/2026 03 PM PDT            3.03            247         0      Not Applicable
  06/19/2026 04 PM PDT            3.03            247         0      Not Applicable
  06/19/2026 05 PM PDT            3.03            247         0      Not Applicable
  06/19/2026 06 PM PDT            3.03            247         0      Not Applicable
  06/19/2026 07 PM PDT            3.03            247         0      Not Applicable
  06/19/2026 08 PM PDT            3.02            244         -      Not Applicable
  06/19/2026 09 PM PDT            3.02            244         0      Not Applicable
  06/19/2026 10 PM PDT            3.02            244         0      Not Applicable
  06/19/2026 11 PM PDT            3.02            244         0      Not Applicable
  06/20/2026 12 AM PDT            3.02            244         0      Not Applicable
  06/20/2026 01 AM PDT            3.02            244         0      Not Applicable
  06/20/2026 02 AM PDT            3.02            244         0      Not Applicable
  06/20/2026 03 AM PDT            3.02            244         0      Not Applicable
  06/20/2026 04 AM PDT            3.02            244         0      Not Applicable
  06/20/2026 05 AM PDT            3.02            244         0      Not Applicable
  06/20/2026 06 AM PDT            3.01            242         -      Not Applicable
  06/20/2026 07 AM PDT            3.01            242         0      Not Applicable
  06/20/2026 08 AM PDT            3.01            242         0      Not Applicable
  06/20/2026 09 AM PDT            3.01            242         0      Not Applicable
  06/20/2026 10 AM PDT            3.01            242         0      Not Applicable
  06/20/2026 11 AM PDT            3.01            242         0      Not Applicable
  06/20/2026 12 PM PDT            3.01            242         0      Not Applicable
  06/20/2026 01 PM PDT            3.01            242         0      Not Applicable
  06/20/2026 02 PM PDT            3.01            242         0      Not Applicable
  06/20/2026 03 PM PDT            3.00            239         -      Not Applicable
  06/20/2026 04 PM PDT            3.00            239         0      Not Applicable
  06/20/2026 05 PM PDT            3.00            239         0      Not Applicable
  06/20/2026 06 PM PDT            3.00            239         0      Not Applicable
  06/20/2026 07 PM PDT            3.00            239         0      Not Applicable
  06/20/2026 08 PM PDT            3.00            239         0      Not Applicable
  06/20/2026 09 PM PDT            3.00            239         0      Not Applicable
  06/20/2026 10 PM PDT            3.00            239         0      Not Applicable
  06/20/2026 11 PM PDT            3.00            239         0      Not Applicable
  06/21/2026 12 AM PDT            2.99            237         -      Not Applicable
  06/21/2026 01 AM PDT            2.99            237         0      Not Applicable
  06/21/2026 02 AM PDT            2.99            237         0      Not Applicable
  06/21/2026 03 AM PDT            2.99            237         0      Not Applicable
  06/21/2026 04 AM PDT            2.99            237         0      Not Applicable
  06/21/2026 05 AM PDT            2.99            237         0      Not Applicable
  06/21/2026 06 AM PDT            2.99            237         0      Not Applicable
  06/21/2026 07 AM PDT            2.99            237         0      Not Applicable
  06/21/2026 08 AM PDT            2.98            234         -      Not Applicable
  06/21/2026 09 AM PDT            2.98            234         0      Not Applicable
  06/21/2026 10 AM PDT            2.98            234         0      Not Applicable
  06/21/2026 11 AM PDT            2.98            234         0      Not Applicable
  06/21/2026 12 PM PDT            2.98            234         0      Not Applicable
  06/21/2026 01 PM PDT            2.98            234         0      Not Applicable
  06/21/2026 02 PM PDT            2.98            234         0      Not Applicable
  06/21/2026 03 PM PDT            2.98            234         0      Not Applicable
  06/21/2026 04 PM PDT            2.98            234         0      Not Applicable
  06/21/2026 05 PM PDT            2.98            234         0      Not Applicable
  06/21/2026 06 PM PDT            2.97            232         -      Not Applicable
  06/21/2026 07 PM PDT            2.97            232         0      Not Applicable
  06/21/2026 08 PM PDT            2.97            232         0      Not Applicable
  06/21/2026 09 PM PDT            2.97            232         0      Not Applicable
  06/21/2026 10 PM PDT            2.97            232         0      Not Applicable
  06/21/2026 11 PM PDT            2.97            232         0      Not Applicable
  06/22/2026 12 AM PDT            2.97            232         0      Not Applicable
  06/22/2026 01 AM PDT            2.96            230         -      Not Applicable
  06/22/2026 02 AM PDT            2.96            230         0      Not Applicable
  06/22/2026 03 AM PDT            2.96            230         0      Not Applicable
  06/22/2026 04 AM PDT            2.96            230         0      Not Applicable
  06/22/2026 05 AM PDT            2.96            230         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.