TRINITY RIVER - HOOPA (HOOC1)
Latitude: 41.05º NLongitude: 123.68º WElevation: 333 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Dec 24 2025 at 7:29 AM PSTNext Issuance: Dec 24 2025 at 3:00 PM PST
Action/Monitor: 44.0 FeetMinor Flood: 48.0 FeetModerate Flood: 52.0 FeetMajor Flood: 56.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Trinity River - Hoopa (HOOC1)
#
# File Generation Time:  12/24/2025 at 07:30 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/21/2025 at 11:00 PM PST
# Maximum Observed Stage:                       30.03 Feet
# Maximum Observed Flow:                        54331 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 11:00 PM PST
# Maximum Forecast Stage:                       23.75 Feet
# Maximum Forecast Flow:                        25488 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/19/2025 07 AM PST           15.65           4979                        Normal
  12/19/2025 08 AM PST           15.85           5290         +              Normal
  12/19/2025 09 AM PST           16.14           5758         +              Normal
  12/19/2025 10 AM PST           16.45           6269         +              Normal
  12/19/2025 11 AM PST           16.77           6819         +              Normal
  12/19/2025 12 PM PST           17.01           7255         +              Normal
  12/19/2025 01 PM PST           17.17           7566         +              Normal
  12/19/2025 02 PM PST           17.23           7684         +              Normal
  12/19/2025 03 PM PST           17.40           8024         +              Normal
  12/19/2025 04 PM PST           17.78           8813         +              Normal
  12/19/2025 05 PM PST           18.32           9998         +              Normal
  12/19/2025 06 PM PST           18.80          11117         +              Normal
  12/19/2025 07 PM PST           19.07          11773         +              Normal
  12/19/2025 08 PM PST           19.41          12627         +              Normal
  12/19/2025 09 PM PST           19.91          13938         +              Normal
  12/19/2025 10 PM PST           20.19          14662         +              Normal
  12/19/2025 11 PM PST           20.26          14845         +              Normal
  12/20/2025 12 AM PST           20.24          14793         -              Normal
  12/20/2025 01 AM PST           20.23          14767         -              Normal
  12/20/2025 02 AM PST           20.15          14558         -              Normal
  12/20/2025 03 AM PST           20.09          14403         -              Normal
  12/20/2025 04 AM PST           20.07          14351         -              Normal
  12/20/2025 05 AM PST           20.14          14532         +              Normal
  12/20/2025 06 AM PST           20.13          14506         -              Normal
  12/20/2025 07 AM PST           20.11          14455         -              Normal
  12/20/2025 08 AM PST           19.99          14146         -              Normal
  12/20/2025 09 AM PST           19.87          13831         -              Normal
  12/20/2025 10 AM PST           19.72          13432         -              Normal
  12/20/2025 11 AM PST           19.57          13039         -              Normal
  12/20/2025 12 PM PST           19.40          12601         -              Normal
  12/20/2025 01 PM PST           19.24          12196         -              Normal
  12/20/2025 02 PM PST           19.10          11847         -              Normal
  12/20/2025 03 PM PST           18.94          11455         -              Normal
  12/20/2025 04 PM PST           18.79          11093         -              Normal
  12/20/2025 05 PM PST           18.63          10714         -              Normal
  12/20/2025 06 PM PST           18.50          10411         -              Normal
  12/20/2025 07 PM PST           18.38          10135         -              Normal
  12/20/2025 08 PM PST           18.25           9840         -              Normal
  12/20/2025 09 PM PST           18.14           9595         -              Normal
  12/20/2025 10 PM PST           18.03           9352         -              Normal
  12/20/2025 11 PM PST           17.94           9156         -              Normal
  12/21/2025 12 AM PST           17.88           9026         -              Normal
  12/21/2025 01 AM PST           17.80           8855         -              Normal
  12/21/2025 02 AM PST           17.78           8813         -              Normal
  12/21/2025 03 AM PST           17.77           8791         -              Normal
  12/21/2025 04 AM PST           17.81           8876         +              Normal
  12/21/2025 05 AM PST           17.94           9156         +              Normal
  12/21/2025 06 AM PST           18.18           9683         +              Normal
  12/21/2025 07 AM PST           18.50          10411         +              Normal
  12/21/2025 08 AM PST           18.97          11528         +              Normal
  12/21/2025 09 AM PST           19.53          12935         +              Normal
  12/21/2025 10 AM PST           20.17          14610         +              Normal
  12/21/2025 11 AM PST           20.92          16627         +              Normal
  12/21/2025 12 PM PST           21.69          18836         +              Normal
  12/21/2025 01 PM PST           22.53          21409         +              Normal
  12/21/2025 02 PM PST           23.43          24353         +              Normal
  12/21/2025 03 PM PST           24.53          28527         +              Normal
  12/21/2025 04 PM PST           25.75          33663         +              Normal
  12/21/2025 05 PM PST           26.91          38988         +              Normal
  12/21/2025 06 PM PST           27.96          44183         +              Normal
  12/21/2025 07 PM PST           28.80          48211         +              Normal
  12/21/2025 08 PM PST           29.42          51250         +              Normal
  12/21/2025 09 PM PST           29.82          53260         +              Normal
  12/21/2025 10 PM PST           30.01          54229         +              Normal
  12/21/2025 11 PM PST           30.03          54331         +              Normal
  12/22/2025 12 AM PST           29.79          53108         -              Normal
  12/22/2025 01 AM PST           29.68          52552         -              Normal
  12/22/2025 02 AM PST           29.31          50704         -              Normal
  12/22/2025 03 AM PST           28.95          48938         -              Normal
  12/22/2025 04 AM PST           28.73          47874         -              Normal
  12/22/2025 05 AM PST           28.31          45876         -              Normal
  12/22/2025 06 AM PST           27.96          44183         -              Normal
  12/22/2025 07 AM PST           27.45          41615         -              Normal
  12/22/2025 08 AM PST           27.16          40192         -              Normal
  12/22/2025 09 AM PST           26.81          38511         -              Normal
  12/22/2025 10 AM PST           26.38          36501         -              Normal
  12/22/2025 11 AM PST           26.02          34864         -              Normal
  12/22/2025 12 PM PST           25.70          33443         -              Normal
  12/22/2025 01 PM PST           25.33          31842         -              Normal
  12/22/2025 02 PM PST           25.02          30533         -              Normal
  12/22/2025 03 PM PST           24.67          29092         -              Normal
  12/22/2025 04 PM PST           24.36          27848         -              Normal
  12/22/2025 05 PM PST           24.12          26906         -              Normal
  12/22/2025 06 PM PST           23.87          25943         -              Normal
  12/22/2025 07 PM PST           23.63          25037         -              Normal
  12/22/2025 08 PM PST           23.39          24218         -              Normal
  12/22/2025 09 PM PST           23.14          23383         -              Normal
  12/22/2025 10 PM PST           22.91          22628         -              Normal
  12/22/2025 11 PM PST           22.70          21950         -              Normal
  12/23/2025 12 AM PST           22.53          21409         -              Normal
  12/23/2025 01 AM PST           22.37          20906         -              Normal
  12/23/2025 02 AM PST           22.19          20347         -              Normal
  12/23/2025 03 AM PST           21.99          19736         -              Normal
  12/23/2025 04 AM PST           21.84          19283         -              Normal
  12/23/2025 05 AM PST           21.67          18777         -              Normal
  12/23/2025 06 AM PST           21.51          18307         -              Normal
  12/23/2025 07 AM PST           21.40          17987         -              Normal
  12/23/2025 08 AM PST           21.26          17585         -              Normal
  12/23/2025 09 AM PST           21.12          17187         -              Normal
  12/23/2025 10 AM PST           21.03          16934         -              Normal
  12/23/2025 11 AM PST           20.91          16599         -              Normal
  12/23/2025 12 PM PST           20.86          16460         -              Normal
  12/23/2025 01 PM PST           20.79          16267         -              Normal
  12/23/2025 02 PM PST           20.73          16103         -              Normal
  12/23/2025 03 PM PST           20.68          15967         -              Normal
  12/23/2025 04 PM PST           20.60          15750         -              Normal
  12/23/2025 05 PM PST           20.60          15750         0              Normal
  12/23/2025 06 PM PST           20.59          15723         -              Normal
  12/23/2025 07 PM PST           20.58          15696         -              Normal
  12/23/2025 08 PM PST           20.60          15750         +              Normal
  12/23/2025 09 PM PST           20.62          15804         +              Normal
  12/23/2025 10 PM PST           20.61          15777         -              Normal
  12/23/2025 11 PM PST           20.62          15804         +              Normal
  12/24/2025 12 AM PST           20.64          15858         +              Normal
  12/24/2025 01 AM PST           20.63          15831         -              Normal
  12/24/2025 02 AM PST           20.66          15912         +              Normal
  12/24/2025 03 AM PST           20.65          15885         -              Normal
  12/24/2025 04 AM PST           20.67          15940         +              Normal
  12/24/2025 05 AM PST           20.70          16021         +              Normal
  12/24/2025 06 AM PST           20.70          16021         0              Normal
  12/24/2025 07 AM PST           20.74          16130         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/24/2025 08 AM PST           20.78          16240                        Normal
  12/24/2025 09 AM PST           20.84          16405         +              Normal
  12/24/2025 10 AM PST           20.90          16571         +              Normal
  12/24/2025 11 AM PST           20.99          16822         +              Normal
  12/24/2025 12 PM PST           21.08          17074         +              Normal
  12/24/2025 01 PM PST           21.17          17328         +              Normal
  12/24/2025 02 PM PST           21.28          17642         +              Normal
  12/24/2025 03 PM PST           21.41          18016         +              Normal
  12/24/2025 04 PM PST           21.55          18424         +              Normal
  12/24/2025 05 PM PST           21.66          18748         +              Normal
  12/24/2025 06 PM PST           21.75          19014         +              Normal
  12/24/2025 07 PM PST           21.81          19193         +              Normal
  12/24/2025 08 PM PST           21.83          19253         +              Normal
  12/24/2025 09 PM PST           21.83          19253         0              Normal
  12/24/2025 10 PM PST           21.81          19193         -              Normal
  12/24/2025 11 PM PST           21.77          19074         -              Normal
  12/25/2025 12 AM PST           21.72          18925         -              Normal
  12/25/2025 01 AM PST           21.67          18777         -              Normal
  12/25/2025 02 AM PST           21.61          18600         -              Normal
  12/25/2025 03 AM PST           21.55          18424         -              Normal
  12/25/2025 04 AM PST           21.48          18220         -              Normal
  12/25/2025 05 AM PST           21.41          18016         -              Normal
  12/25/2025 06 AM PST           21.35          17843         -              Normal
  12/25/2025 07 AM PST           21.31          17728         -              Normal
  12/25/2025 08 AM PST           21.28          17642         -              Normal
  12/25/2025 09 AM PST           21.27          17613         -              Normal
  12/25/2025 10 AM PST           21.27          17613         0              Normal
  12/25/2025 11 AM PST           21.30          17699         +              Normal
  12/25/2025 12 PM PST           21.36          17872         +              Normal
  12/25/2025 01 PM PST           21.43          18074         +              Normal
  12/25/2025 02 PM PST           21.52          18336         +              Normal
  12/25/2025 03 PM PST           21.61          18600         +              Normal
  12/25/2025 04 PM PST           21.72          18925         +              Normal
  12/25/2025 05 PM PST           21.84          19283         +              Normal
  12/25/2025 06 PM PST           21.95          19614         +              Normal
  12/25/2025 07 PM PST           22.06          19949         +              Normal
  12/25/2025 08 PM PST           22.15          20224         +              Normal
  12/25/2025 09 PM PST           22.25          20533         +              Normal
  12/25/2025 10 PM PST           22.34          20812         +              Normal
  12/25/2025 11 PM PST           22.43          21094         +              Normal
  12/26/2025 12 AM PST           22.51          21346         +              Normal
  12/26/2025 01 AM PST           22.59          21599         +              Normal
  12/26/2025 02 AM PST           22.65          21790         +              Normal
  12/26/2025 03 AM PST           22.72          22014         +              Normal
  12/26/2025 04 AM PST           22.78          22207         +              Normal
  12/26/2025 05 AM PST           22.84          22401         +              Normal
  12/26/2025 06 AM PST           22.90          22596         +              Normal
  12/26/2025 07 AM PST           22.97          22824         +              Normal
  12/26/2025 08 AM PST           23.05          23086         +              Normal
  12/26/2025 09 AM PST           23.13          23350         +              Normal
  12/26/2025 10 AM PST           23.21          23616         +              Normal
  12/26/2025 11 AM PST           23.28          23849         +              Normal
  12/26/2025 12 PM PST           23.35          24084         +              Normal
  12/26/2025 01 PM PST           23.41          24286         +              Normal
  12/26/2025 02 PM PST           23.47          24489         +              Normal
  12/26/2025 03 PM PST           23.51          24625         +              Normal
  12/26/2025 04 PM PST           23.55          24761         +              Normal
  12/26/2025 05 PM PST           23.58          24863         +              Normal
  12/26/2025 06 PM PST           23.61          24966         +              Normal
  12/26/2025 07 PM PST           23.65          25112         +              Normal
  12/26/2025 08 PM PST           23.68          25225         +              Normal
  12/26/2025 09 PM PST           23.71          25337         +              Normal
  12/26/2025 10 PM PST           23.73          25413         +              Normal
  12/26/2025 11 PM PST           23.75          25488         +              Normal
  12/27/2025 12 AM PST           23.75          25488         0              Normal
  12/27/2025 01 AM PST           23.75          25488         0              Normal
  12/27/2025 02 AM PST           23.73          25413         -              Normal
  12/27/2025 03 AM PST           23.70          25300         -              Normal
  12/27/2025 04 AM PST           23.66          25150         -              Normal
  12/27/2025 05 AM PST           23.61          24966         -              Normal
  12/27/2025 06 AM PST           23.54          24727         -              Normal
  12/27/2025 07 AM PST           23.48          24523         -              Normal
  12/27/2025 08 AM PST           23.40          24252         -              Normal
  12/27/2025 09 AM PST           23.32          23983         -              Normal
  12/27/2025 10 AM PST           23.23          23682         -              Normal
  12/27/2025 11 AM PST           23.14          23383         -              Normal
  12/27/2025 12 PM PST           23.05          23086         -              Normal
  12/27/2025 01 PM PST           22.95          22759         -              Normal
  12/27/2025 02 PM PST           22.86          22466         -              Normal
  12/27/2025 03 PM PST           22.77          22175         -              Normal
  12/27/2025 04 PM PST           22.68          21886         -              Normal
  12/27/2025 05 PM PST           22.59          21599         -              Normal
  12/27/2025 06 PM PST           22.50          21314         -              Normal
  12/27/2025 07 PM PST           22.42          21062         -              Normal
  12/27/2025 08 PM PST           22.34          20812         -              Normal
  12/27/2025 09 PM PST           22.27          20595         -              Normal
  12/27/2025 10 PM PST           22.20          20378         -              Normal
  12/27/2025 11 PM PST           22.12          20132         -              Normal
  12/28/2025 12 AM PST           22.05          19918         -              Normal
  12/28/2025 01 AM PST           21.99          19736         -              Normal
  12/28/2025 02 AM PST           21.92          19524         -              Normal
  12/28/2025 03 AM PST           21.85          19313         -              Normal
  12/28/2025 04 AM PST           21.78          19104         -              Normal
  12/28/2025 05 AM PST           21.71          18896         -              Normal
  12/28/2025 06 AM PST           21.64          18689         -              Normal
  12/28/2025 07 AM PST           21.57          18483         -              Normal
  12/28/2025 08 AM PST           21.51          18307         -              Normal
  12/28/2025 09 AM PST           21.44          18103         -              Normal
  12/28/2025 10 AM PST           21.38          17930         -              Normal
  12/28/2025 11 AM PST           21.31          17728         -              Normal
  12/28/2025 12 PM PST           21.25          17556         -              Normal
  12/28/2025 01 PM PST           21.19          17385         -              Normal
  12/28/2025 02 PM PST           21.13          17215         -              Normal
  12/28/2025 03 PM PST           21.07          17046         -              Normal
  12/28/2025 04 PM PST           21.01          16878         -              Normal
  12/28/2025 05 PM PST           20.95          16710         -              Normal
  12/28/2025 06 PM PST           20.89          16543         -              Normal
  12/28/2025 07 PM PST           20.84          16405         -              Normal
  12/28/2025 08 PM PST           20.78          16240         -              Normal
  12/28/2025 09 PM PST           20.73          16103         -              Normal
  12/28/2025 10 PM PST           20.68          15967         -              Normal
  12/28/2025 11 PM PST           20.63          15831         -              Normal
  12/29/2025 12 AM PST           20.58          15696         -              Normal
  12/29/2025 01 AM PST           20.53          15561         -              Normal
  12/29/2025 02 AM PST           20.48          15427         -              Normal
  12/29/2025 03 AM PST           20.43          15294         -              Normal
  12/29/2025 04 AM PST           20.39          15188         -              Normal
#
# 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.