TRINITY RIVER - ABOVE COFFEE CREEK (TCCC1)
Latitude: 41.11º NLongitude: 122.70º WElevation: 2537 FeetForecast Type: Unofficial Location
Location: Trinity County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Apr 28 2026 at 7:34 AM PDTNext Issuance: Apr 29 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: Trinity River - Above Coffee Creek (TCCC1)
#
# File Generation Time:  04/28/2026 at 07:36 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/26/2026 at 03:00 AM PDT
# Maximum Observed Stage:                       4.60 Feet
# Maximum Observed Flow:                        484 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/02/2026 at 02:00 AM PDT
# Maximum Forecast Stage:                       4.77 Feet
# Maximum Forecast Flow:                        564 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/23/2026 07 AM PDT            4.47            428                Not Applicable
  04/23/2026 08 AM PDT            4.46            424         -      Not Applicable
  04/23/2026 09 AM PDT            4.46            424         0      Not Applicable
  04/23/2026 10 AM PDT            4.45            419         -      Not Applicable
  04/23/2026 11 AM PDT            4.43            411         -      Not Applicable
  04/23/2026 12 PM PDT            4.42            407         -      Not Applicable
  04/23/2026 01 PM PDT            4.42            407         0      Not Applicable
  04/23/2026 02 PM PDT            4.41            403         -      Not Applicable
  04/23/2026 03 PM PDT            4.41            403         0      Not Applicable
  04/23/2026 04 PM PDT            4.41            403         0      Not Applicable
  04/23/2026 05 PM PDT            4.41            403         0      Not Applicable
  04/23/2026 06 PM PDT            4.43            411         +      Not Applicable
  04/23/2026 07 PM PDT            4.47            428         +      Not Applicable
  04/23/2026 08 PM PDT            4.50            441         +      Not Applicable
  04/23/2026 09 PM PDT            4.54            458         +      Not Applicable
  04/23/2026 10 PM PDT            4.57            471         +      Not Applicable
  04/23/2026 11 PM PDT            4.58            475         +      Not Applicable
  04/24/2026 12 AM PDT            4.58            475         0      Not Applicable
  04/24/2026 01 AM PDT            4.57            471         -      Not Applicable
  04/24/2026 02 AM PDT            4.56            467         -      Not Applicable
  04/24/2026 03 AM PDT            4.54            458         -      Not Applicable
  04/24/2026 04 AM PDT            4.54            458         0      Not Applicable
  04/24/2026 05 AM PDT            4.53            453         -      Not Applicable
  04/24/2026 06 AM PDT            4.51            445         -      Not Applicable
  04/24/2026 07 AM PDT            4.51            445         0      Not Applicable
  04/24/2026 08 AM PDT            4.50            441         -      Not Applicable
  04/24/2026 09 AM PDT            4.49            436         -      Not Applicable
  04/24/2026 10 AM PDT            4.48            432         -      Not Applicable
  04/24/2026 11 AM PDT            4.47            428         -      Not Applicable
  04/24/2026 12 PM PDT            4.47            428         0      Not Applicable
  04/24/2026 01 PM PDT            4.46            424         -      Not Applicable
  04/24/2026 02 PM PDT            4.45            419         -      Not Applicable
  04/24/2026 03 PM PDT            4.43            411         -      Not Applicable
  04/24/2026 04 PM PDT            4.45            419         +      Not Applicable
  04/24/2026 05 PM PDT            4.46            424         +      Not Applicable
  04/24/2026 06 PM PDT            4.49            436         +      Not Applicable
  04/24/2026 07 PM PDT            4.51            445         +      Not Applicable
  04/24/2026 08 PM PDT            4.54            458         +      Not Applicable
  04/24/2026 09 PM PDT            4.57            471         +      Not Applicable
  04/24/2026 10 PM PDT            4.59            480         +      Not Applicable
  04/24/2026 11 PM PDT            4.60            484         +      Not Applicable
  04/25/2026 12 AM PDT            4.59            480         -      Not Applicable
  04/25/2026 01 AM PDT            4.59            480         0      Not Applicable
  04/25/2026 02 AM PDT            4.58            475         -      Not Applicable
  04/25/2026 03 AM PDT            4.57            471         -      Not Applicable
  04/25/2026 04 AM PDT            4.57            471         0      Not Applicable
  04/25/2026 05 AM PDT            4.56            467         -      Not Applicable
  04/25/2026 06 AM PDT            4.54            458         -      Not Applicable
  04/25/2026 07 AM PDT            4.54            458         0      Not Applicable
  04/25/2026 08 AM PDT            4.53            453         -      Not Applicable
  04/25/2026 09 AM PDT            4.52            449         -      Not Applicable
  04/25/2026 10 AM PDT            4.52            449         0      Not Applicable
  04/25/2026 11 AM PDT            4.50            441         -      Not Applicable
  04/25/2026 12 PM PDT            4.50            441         0      Not Applicable
  04/25/2026 01 PM PDT            4.49            436         -      Not Applicable
  04/25/2026 02 PM PDT            4.48            432         -      Not Applicable
  04/25/2026 03 PM PDT            4.48            432         0      Not Applicable
  04/25/2026 04 PM PDT            4.48            432         0      Not Applicable
  04/25/2026 05 PM PDT            4.48            432         0      Not Applicable
  04/25/2026 06 PM PDT            4.49            436         +      Not Applicable
  04/25/2026 07 PM PDT            4.50            441         +      Not Applicable
  04/25/2026 08 PM PDT            4.52            449         +      Not Applicable
  04/25/2026 09 PM PDT            4.53            453         +      Not Applicable
  04/25/2026 10 PM PDT            4.53            453         0      Not Applicable
  04/25/2026 11 PM PDT            4.54            458         +      Not Applicable
  04/26/2026 12 AM PDT            4.53            453         -      Not Applicable
  04/26/2026 01 AM PDT            4.54            458         +      Not Applicable
  04/26/2026 02 AM PDT            4.59            480         +      Not Applicable
  04/26/2026 03 AM PDT            4.60            484         +      Not Applicable
  04/26/2026 04 AM PDT            4.59            480         -      Not Applicable
  04/26/2026 05 AM PDT            4.58            475         -      Not Applicable
  04/26/2026 06 AM PDT            4.56            467         -      Not Applicable
  04/26/2026 07 AM PDT            4.56            467         0      Not Applicable
  04/26/2026 08 AM PDT            4.55            462         -      Not Applicable
  04/26/2026 09 AM PDT            4.53            453         -      Not Applicable
  04/26/2026 10 AM PDT            4.52            449         -      Not Applicable
  04/26/2026 11 AM PDT            4.52            449         0      Not Applicable
  04/26/2026 12 PM PDT            4.50            441         -      Not Applicable
  04/26/2026 01 PM PDT            4.50            441         0      Not Applicable
  04/26/2026 02 PM PDT            4.49            436         -      Not Applicable
  04/26/2026 03 PM PDT            4.48            432         -      Not Applicable
  04/26/2026 04 PM PDT            4.47            428         -      Not Applicable
  04/26/2026 05 PM PDT            4.47            428         0      Not Applicable
  04/26/2026 06 PM PDT            4.46            424         -      Not Applicable
  04/26/2026 07 PM PDT            4.45            419         -      Not Applicable
  04/26/2026 08 PM PDT            4.45            419         0      Not Applicable
  04/26/2026 09 PM PDT            4.45            419         0      Not Applicable
  04/26/2026 10 PM PDT            4.43            411         -      Not Applicable
  04/26/2026 11 PM PDT            4.45            419         +      Not Applicable
  04/27/2026 12 AM PDT            4.43            411         -      Not Applicable
  04/27/2026 01 AM PDT            4.42            407         -      Not Applicable
  04/27/2026 02 AM PDT            4.43            411         +      Not Applicable
  04/27/2026 03 AM PDT            4.42            407         -      Not Applicable
  04/27/2026 04 AM PDT            4.42            407         0      Not Applicable
  04/27/2026 05 AM PDT            4.42            407         0      Not Applicable
  04/27/2026 06 AM PDT            4.42            407         0      Not Applicable
  04/27/2026 07 AM PDT            4.41            403         -      Not Applicable
  04/27/2026 08 AM PDT            4.41            403         0      Not Applicable
  04/27/2026 09 AM PDT            4.40            399         -      Not Applicable
  04/27/2026 10 AM PDT            4.39            395         -      Not Applicable
  04/27/2026 11 AM PDT            4.39            395         0      Not Applicable
  04/27/2026 12 PM PDT            4.38            391         -      Not Applicable
  04/27/2026 01 PM PDT            4.37            387         -      Not Applicable
  04/27/2026 02 PM PDT            4.37            387         0      Not Applicable
  04/27/2026 03 PM PDT            4.36            383         -      Not Applicable
  04/27/2026 04 PM PDT            4.37            387         +      Not Applicable
  04/27/2026 05 PM PDT            4.36            383         -      Not Applicable
  04/27/2026 06 PM PDT            4.36            383         0      Not Applicable
  04/27/2026 07 PM PDT            4.35            379         -      Not Applicable
  04/27/2026 08 PM PDT            4.35            379         0      Not Applicable
  04/27/2026 09 PM PDT            4.35            379         0      Not Applicable
  04/27/2026 10 PM PDT            4.35            379         0      Not Applicable
  04/27/2026 11 PM PDT            4.35            379         0      Not Applicable
  04/28/2026 12 AM PDT            4.34            375         -      Not Applicable
  04/28/2026 01 AM PDT            4.34            375         0      Not Applicable
  04/28/2026 02 AM PDT            4.34            375         0      Not Applicable
  04/28/2026 03 AM PDT            4.34            375         0      Not Applicable
  04/28/2026 04 AM PDT            4.34            375         0      Not Applicable
  04/28/2026 05 AM PDT            4.33            371         -      Not Applicable
  04/28/2026 06 AM PDT            4.33            371         0      Not Applicable
  04/28/2026 07 AM PDT            4.33            371         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/28/2026 08 AM PDT            4.34            375                Not Applicable
  04/28/2026 09 AM PDT            4.34            375         0      Not Applicable
  04/28/2026 10 AM PDT            4.34            375         0      Not Applicable
  04/28/2026 11 AM PDT            4.34            375         0      Not Applicable
  04/28/2026 12 PM PDT            4.33            371         -      Not Applicable
  04/28/2026 01 PM PDT            4.33            371         0      Not Applicable
  04/28/2026 02 PM PDT            4.33            371         0      Not Applicable
  04/28/2026 03 PM PDT            4.32            367         -      Not Applicable
  04/28/2026 04 PM PDT            4.32            367         0      Not Applicable
  04/28/2026 05 PM PDT            4.32            367         0      Not Applicable
  04/28/2026 06 PM PDT            4.33            371         +      Not Applicable
  04/28/2026 07 PM PDT            4.33            371         0      Not Applicable
  04/28/2026 08 PM PDT            4.34            375         +      Not Applicable
  04/28/2026 09 PM PDT            4.34            375         0      Not Applicable
  04/28/2026 10 PM PDT            4.36            383         +      Not Applicable
  04/28/2026 11 PM PDT            4.37            387         +      Not Applicable
  04/29/2026 12 AM PDT            4.38            391         +      Not Applicable
  04/29/2026 01 AM PDT            4.39            395         +      Not Applicable
  04/29/2026 02 AM PDT            4.41            403         +      Not Applicable
  04/29/2026 03 AM PDT            4.42            407         +      Not Applicable
  04/29/2026 04 AM PDT            4.43            411         +      Not Applicable
  04/29/2026 05 AM PDT            4.44            415         +      Not Applicable
  04/29/2026 06 AM PDT            4.45            419         +      Not Applicable
  04/29/2026 07 AM PDT            4.45            419         0      Not Applicable
  04/29/2026 08 AM PDT            4.46            424         +      Not Applicable
  04/29/2026 09 AM PDT            4.46            424         0      Not Applicable
  04/29/2026 10 AM PDT            4.46            424         0      Not Applicable
  04/29/2026 11 AM PDT            4.46            424         0      Not Applicable
  04/29/2026 12 PM PDT            4.46            424         0      Not Applicable
  04/29/2026 01 PM PDT            4.45            419         -      Not Applicable
  04/29/2026 02 PM PDT            4.45            419         0      Not Applicable
  04/29/2026 03 PM PDT            4.45            419         0      Not Applicable
  04/29/2026 04 PM PDT            4.45            419         0      Not Applicable
  04/29/2026 05 PM PDT            4.45            419         0      Not Applicable
  04/29/2026 06 PM PDT            4.46            424         +      Not Applicable
  04/29/2026 07 PM PDT            4.46            424         0      Not Applicable
  04/29/2026 08 PM PDT            4.47            428         +      Not Applicable
  04/29/2026 09 PM PDT            4.48            432         +      Not Applicable
  04/29/2026 10 PM PDT            4.50            441         +      Not Applicable
  04/29/2026 11 PM PDT            4.51            445         +      Not Applicable
  04/30/2026 12 AM PDT            4.53            453         +      Not Applicable
  04/30/2026 01 AM PDT            4.55            462         +      Not Applicable
  04/30/2026 02 AM PDT            4.56            467         +      Not Applicable
  04/30/2026 03 AM PDT            4.58            475         +      Not Applicable
  04/30/2026 04 AM PDT            4.59            480         +      Not Applicable
  04/30/2026 05 AM PDT            4.60            484         +      Not Applicable
  04/30/2026 06 AM PDT            4.61            489         +      Not Applicable
  04/30/2026 07 AM PDT            4.62            493         +      Not Applicable
  04/30/2026 08 AM PDT            4.62            493         0      Not Applicable
  04/30/2026 09 AM PDT            4.62            493         0      Not Applicable
  04/30/2026 10 AM PDT            4.62            493         0      Not Applicable
  04/30/2026 11 AM PDT            4.62            493         0      Not Applicable
  04/30/2026 12 PM PDT            4.61            489         -      Not Applicable
  04/30/2026 01 PM PDT            4.61            489         0      Not Applicable
  04/30/2026 02 PM PDT            4.60            484         -      Not Applicable
  04/30/2026 03 PM PDT            4.60            484         0      Not Applicable
  04/30/2026 04 PM PDT            4.60            484         0      Not Applicable
  04/30/2026 05 PM PDT            4.60            484         0      Not Applicable
  04/30/2026 06 PM PDT            4.61            489         +      Not Applicable
  04/30/2026 07 PM PDT            4.62            493         +      Not Applicable
  04/30/2026 08 PM PDT            4.63            498         +      Not Applicable
  04/30/2026 09 PM PDT            4.64            503         +      Not Applicable
  04/30/2026 10 PM PDT            4.65            507         +      Not Applicable
  04/30/2026 11 PM PDT            4.67            516         +      Not Applicable
  05/01/2026 12 AM PDT            4.68            521         +      Not Applicable
  05/01/2026 01 AM PDT            4.69            526         +      Not Applicable
  05/01/2026 02 AM PDT            4.71            535         +      Not Applicable
  05/01/2026 03 AM PDT            4.72            540         +      Not Applicable
  05/01/2026 04 AM PDT            4.72            540         0      Not Applicable
  05/01/2026 05 AM PDT            4.73            545         +      Not Applicable
  05/01/2026 06 AM PDT            4.74            550         +      Not Applicable
  05/01/2026 07 AM PDT            4.74            550         0      Not Applicable
  05/01/2026 08 AM PDT            4.74            550         0      Not Applicable
  05/01/2026 09 AM PDT            4.74            550         0      Not Applicable
  05/01/2026 10 AM PDT            4.74            550         0      Not Applicable
  05/01/2026 11 AM PDT            4.74            550         0      Not Applicable
  05/01/2026 12 PM PDT            4.74            550         0      Not Applicable
  05/01/2026 01 PM PDT            4.73            545         -      Not Applicable
  05/01/2026 02 PM PDT            4.73            545         0      Not Applicable
  05/01/2026 03 PM PDT            4.73            545         0      Not Applicable
  05/01/2026 04 PM PDT            4.73            545         0      Not Applicable
  05/01/2026 05 PM PDT            4.73            545         0      Not Applicable
  05/01/2026 06 PM PDT            4.73            545         0      Not Applicable
  05/01/2026 07 PM PDT            4.74            550         +      Not Applicable
  05/01/2026 08 PM PDT            4.74            550         0      Not Applicable
  05/01/2026 09 PM PDT            4.75            554         +      Not Applicable
  05/01/2026 10 PM PDT            4.75            554         0      Not Applicable
  05/01/2026 11 PM PDT            4.76            559         +      Not Applicable
  05/02/2026 12 AM PDT            4.76            559         0      Not Applicable
  05/02/2026 01 AM PDT            4.76            559         0      Not Applicable
  05/02/2026 02 AM PDT            4.77            564         +      Not Applicable
  05/02/2026 03 AM PDT            4.77            564         0      Not Applicable
  05/02/2026 04 AM PDT            4.77            564         0      Not Applicable
  05/02/2026 05 AM PDT            4.77            564         0      Not Applicable
  05/02/2026 06 AM PDT            4.77            564         0      Not Applicable
  05/02/2026 07 AM PDT            4.76            559         -      Not Applicable
  05/02/2026 08 AM PDT            4.76            559         0      Not Applicable
  05/02/2026 09 AM PDT            4.75            554         -      Not Applicable
  05/02/2026 10 AM PDT            4.74            550         -      Not Applicable
  05/02/2026 11 AM PDT            4.73            545         -      Not Applicable
  05/02/2026 12 PM PDT            4.72            540         -      Not Applicable
  05/02/2026 01 PM PDT            4.71            535         -      Not Applicable
  05/02/2026 02 PM PDT            4.70            530         -      Not Applicable
  05/02/2026 03 PM PDT            4.69            526         -      Not Applicable
  05/02/2026 04 PM PDT            4.68            521         -      Not Applicable
  05/02/2026 05 PM PDT            4.67            516         -      Not Applicable
  05/02/2026 06 PM PDT            4.66            512         -      Not Applicable
  05/02/2026 07 PM PDT            4.66            512         0      Not Applicable
  05/02/2026 08 PM PDT            4.65            507         -      Not Applicable
  05/02/2026 09 PM PDT            4.64            503         -      Not Applicable
  05/02/2026 10 PM PDT            4.64            503         0      Not Applicable
  05/02/2026 11 PM PDT            4.64            503         0      Not Applicable
  05/03/2026 12 AM PDT            4.63            498         -      Not Applicable
  05/03/2026 01 AM PDT            4.63            498         0      Not Applicable
  05/03/2026 02 AM PDT            4.62            493         -      Not Applicable
  05/03/2026 03 AM PDT            4.62            493         0      Not Applicable
  05/03/2026 04 AM PDT            4.62            493         0      Not Applicable
  05/03/2026 05 AM PDT            4.61            489         -      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.