SACRAMENTO RIVER - RED BLUFF (RDBC1)
Latitude: 40.15º NLongitude: 122.20º WElevation: 231 Feet
Location: Tehama County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Dec 26 2025 at 1:22 PM PSTNext Issuance: Dec 27 2025 at 9:00 AM PST
Action/Monitor: 252.5 FeetMinor Flood: 255.5 FeetModerate Flood: 257.6 FeetMajor Flood: 261.6 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Red Bluff (RDBC1)
#
# File Generation Time:  12/26/2025 at 01:22 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 07:00 AM PST
# Maximum Observed Stage:                       251.56 Feet
# Maximum Observed Flow:                        58023 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/27/2025 at 04:00 AM PST
# Maximum Forecast Stage:                       245.46 Feet
# Maximum Forecast Flow:                        24410 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 01 PM PST          246.02          26690                        Normal
  12/21/2025 02 PM PST          246.19          27522         +              Normal
  12/21/2025 03 PM PST          246.23          27743         +              Normal
  12/21/2025 04 PM PST          246.19          27522         -              Normal
  12/21/2025 05 PM PST          246.09          26987         -              Normal
  12/21/2025 06 PM PST          245.94          26354         -              Normal
  12/21/2025 07 PM PST          245.82          25858         -              Normal
  12/21/2025 08 PM PST          245.76          25614         -              Normal
  12/21/2025 09 PM PST          245.80          25777         +              Normal
  12/21/2025 10 PM PST          246.05          26817         +              Normal
  12/21/2025 11 PM PST          246.47          29109         +              Normal
  12/22/2025 12 AM PST          247.12          32972         +              Normal
  12/22/2025 01 AM PST          247.97          37705         +              Normal
  12/22/2025 02 AM PST          248.85          42659         +              Normal
  12/22/2025 03 AM PST          249.71          47604         +              Normal
  12/22/2025 04 AM PST          250.48          51853         +              Normal
  12/22/2025 05 AM PST          251.05          55099         +              Normal
  12/22/2025 06 AM PST          251.41          57148         +              Normal
  12/22/2025 07 AM PST          251.56          58023         +              Normal
  12/22/2025 08 AM PST          251.54          57906         -              Normal
  12/22/2025 09 AM PST          251.40          57090         -              Normal
  12/22/2025 10 AM PST          251.16          55717         -              Normal
  12/22/2025 11 AM PST          250.85          53948         -              Normal
  12/22/2025 12 PM PST          250.44          51631         -              Normal
  12/22/2025 01 PM PST          249.96          48972         -              Normal
  12/22/2025 02 PM PST          249.43          46117         -              Normal
  12/22/2025 03 PM PST          248.97          43359         -              Normal
  12/22/2025 04 PM PST          248.51          40697         -              Normal
  12/22/2025 05 PM PST          248.05          38143         -              Normal
  12/22/2025 06 PM PST          247.56          35457         -              Normal
  12/22/2025 07 PM PST          247.08          32726         -              Normal
  12/22/2025 08 PM PST          246.69          30419         -              Normal
  12/22/2025 09 PM PST          246.37          28532         -              Normal
  12/22/2025 10 PM PST          246.10          27030         -              Normal
  12/22/2025 11 PM PST          245.79          25736         -              Normal
  12/23/2025 12 AM PST          245.51          24619         -              Normal
  12/23/2025 01 AM PST          245.29          23701         -              Normal
  12/23/2025 02 AM PST          245.09          22893         -              Normal
  12/23/2025 03 AM PST          244.91          22189         -              Normal
  12/23/2025 04 AM PST          244.77          21607         -              Normal
  12/23/2025 05 AM PST          244.66          21158         -              Normal
  12/23/2025 06 AM PST          244.59          20876         -              Normal
  12/23/2025 07 AM PST          244.57          20797         -              Normal
  12/23/2025 08 AM PST          244.63          21037         +              Normal
  12/23/2025 09 AM PST          244.82          21814         +              Normal
  12/23/2025 10 AM PST          245.11          22973         +              Normal
  12/23/2025 11 AM PST          245.41          24200         +              Normal
  12/23/2025 12 PM PST          245.63          25092         +              Normal
  12/23/2025 01 PM PST          245.76          25614         +              Normal
  12/23/2025 02 PM PST          245.82          25858         +              Normal
  12/23/2025 03 PM PST          245.78          25695         -              Normal
  12/23/2025 04 PM PST          245.63          25092         -              Normal
  12/23/2025 05 PM PST          245.42          24242         -              Normal
  12/23/2025 06 PM PST          245.21          23375         -              Normal
  12/23/2025 07 PM PST          244.98          22460         -              Normal
  12/23/2025 08 PM PST          244.76          21566         -              Normal
  12/23/2025 09 PM PST          244.55          20717         -              Normal
  12/23/2025 10 PM PST          244.36          19978         -              Normal
  12/23/2025 11 PM PST          244.20          19334         -              Normal
  12/24/2025 12 AM PST          244.05          18726         -              Normal
  12/24/2025 01 AM PST          243.90          18137         -              Normal
  12/24/2025 02 AM PST          243.82          17831         -              Normal
  12/24/2025 03 AM PST          243.88          18060         +              Normal
  12/24/2025 04 AM PST          244.03          18647         +              Normal
  12/24/2025 05 AM PST          244.19          19293         +              Normal
  12/24/2025 06 AM PST          244.37          20016         +              Normal
  12/24/2025 07 AM PST          244.62          20996         +              Normal
  12/24/2025 08 AM PST          244.81          21773         +              Normal
  12/24/2025 09 AM PST          244.92          22227         +              Normal
  12/24/2025 10 AM PST          245.08          22853         +              Normal
  12/24/2025 11 AM PST          245.38          24074         +              Normal
  12/24/2025 12 PM PST          245.77          25654         +              Normal
  12/24/2025 01 PM PST          246.12          27139         +              Normal
  12/24/2025 02 PM PST          246.31          28192         +              Normal
  12/24/2025 03 PM PST          246.43          28877         +              Normal
  12/24/2025 04 PM PST          246.56          29638         +              Normal
  12/24/2025 05 PM PST          246.73          30652         +              Normal
  12/24/2025 06 PM PST          246.93          31821         +              Normal
  12/24/2025 07 PM PST          247.07          32665         +              Normal
  12/24/2025 08 PM PST          247.14          33095         +              Normal
  12/24/2025 09 PM PST          247.12          32972         -              Normal
  12/24/2025 10 PM PST          247.01          32301         -              Normal
  12/24/2025 11 PM PST          246.81          31114         -              Normal
  12/25/2025 12 AM PST          246.57          29698         -              Normal
  12/25/2025 01 AM PST          246.35          28418         -              Normal
  12/25/2025 02 AM PST          246.16          27357         -              Normal
  12/25/2025 03 AM PST          245.99          26564         -              Normal
  12/25/2025 04 AM PST          245.83          25899         -              Normal
  12/25/2025 05 AM PST          245.74          25533         -              Normal
  12/25/2025 06 AM PST          245.72          25452         -              Normal
  12/25/2025 07 AM PST          245.85          25982         +              Normal
  12/25/2025 08 AM PST          246.12          27139         +              Normal
  12/25/2025 09 AM PST          246.33          28305         +              Normal
  12/25/2025 10 AM PST          246.50          29285         +              Normal
  12/25/2025 11 AM PST          246.64          30116         +              Normal
  12/25/2025 12 PM PST          246.85          31348         +              Normal
  12/25/2025 01 PM PST          247.15          33157         +              Normal
  12/25/2025 02 PM PST          247.51          35192         +              Normal
  12/25/2025 03 PM PST          247.84          36978         +              Normal
  12/25/2025 04 PM PST          248.00          37875         +              Normal
  12/25/2025 05 PM PST          247.98          37762         -              Normal
  12/25/2025 06 PM PST          247.80          36757         -              Normal
  12/25/2025 07 PM PST          247.49          35087         -              Normal
  12/25/2025 08 PM PST          247.17          33282         -              Normal
  12/25/2025 09 PM PST          246.88          31525         -              Normal
  12/25/2025 10 PM PST          246.65          30177         -              Normal
  12/25/2025 11 PM PST          246.47          29109         -              Normal
  12/26/2025 12 AM PST          246.33          28305         -              Normal
  12/26/2025 01 AM PST          246.18          27467         -              Normal
  12/26/2025 02 AM PST          246.00          26606         -              Normal
  12/26/2025 03 AM PST          245.78          25695         -              Normal
  12/26/2025 04 AM PST          245.54          24736         -              Normal
  12/26/2025 05 AM PST          245.35          23949         -              Normal
  12/26/2025 06 AM PST          245.21          23375         -              Normal
  12/26/2025 07 AM PST          245.10          22933         -              Normal
  12/26/2025 08 AM PST          245.04          22695         -              Normal
  12/26/2025 09 AM PST          245.03          22656         -              Normal
  12/26/2025 10 AM PST          245.04          22695         +              Normal
  12/26/2025 11 AM PST          245.03          22656         -              Normal
  12/26/2025 12 PM PST          244.98          22460         -              Normal
  12/26/2025 01 PM PST          244.90          22150         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 02 PM PST          244.83          21856                        Normal
  12/26/2025 03 PM PST          244.77          21607         -              Normal
  12/26/2025 04 PM PST          244.72          21402         -              Normal
  12/26/2025 05 PM PST          244.66          21158         -              Normal
  12/26/2025 06 PM PST          244.61          20956         -              Normal
  12/26/2025 07 PM PST          244.59          20876         -              Normal
  12/26/2025 08 PM PST          244.59          20876         0              Normal
  12/26/2025 09 PM PST          244.63          21037         +              Normal
  12/26/2025 10 PM PST          244.72          21402         +              Normal
  12/26/2025 11 PM PST          244.87          22023         +              Normal
  12/27/2025 12 AM PST          245.07          22814         +              Normal
  12/27/2025 01 AM PST          245.26          23578         +              Normal
  12/27/2025 02 AM PST          245.39          24116         +              Normal
  12/27/2025 03 AM PST          245.45          24368         +              Normal
  12/27/2025 04 AM PST          245.46          24410         +              Normal
  12/27/2025 05 AM PST          245.42          24242         -              Normal
  12/27/2025 06 AM PST          245.36          23991         -              Normal
  12/27/2025 07 AM PST          245.27          23619         -              Normal
  12/27/2025 08 AM PST          245.18          23253         -              Normal
  12/27/2025 09 AM PST          245.07          22814         -              Normal
  12/27/2025 10 AM PST          244.96          22382         -              Normal
  12/27/2025 11 AM PST          244.85          21940         -              Normal
  12/27/2025 12 PM PST          244.75          21525         -              Normal
  12/27/2025 01 PM PST          244.65          21117         -              Normal
  12/27/2025 02 PM PST          244.55          20717         -              Normal
  12/27/2025 03 PM PST          244.43          20247         -              Normal
  12/27/2025 04 PM PST          244.31          19788         -              Normal
  12/27/2025 05 PM PST          244.20          19334         -              Normal
  12/27/2025 06 PM PST          244.08          18846         -              Normal
  12/27/2025 07 PM PST          243.97          18410         -              Normal
  12/27/2025 08 PM PST          243.84          17907         -              Normal
  12/27/2025 09 PM PST          243.72          17454         -              Normal
  12/27/2025 10 PM PST          243.61          17006         -              Normal
  12/27/2025 11 PM PST          243.50          16560         -              Normal
  12/28/2025 12 AM PST          243.41          16203         -              Normal
  12/28/2025 01 AM PST          243.32          15854         -              Normal
  12/28/2025 02 AM PST          243.25          15588         -              Normal
  12/28/2025 03 AM PST          243.17          15282         -              Normal
  12/28/2025 04 AM PST          243.11          15050         -              Normal
  12/28/2025 05 AM PST          243.05          14820         -              Normal
  12/28/2025 06 AM PST          243.00          14632         -              Normal
  12/28/2025 07 AM PST          242.95          14446         -              Normal
  12/28/2025 08 AM PST          242.90          14262         -              Normal
  12/28/2025 09 AM PST          242.86          14117         -              Normal
  12/28/2025 10 AM PST          242.83          14009         -              Normal
  12/28/2025 11 AM PST          242.79          13866         -              Normal
  12/28/2025 12 PM PST          242.76          13760         -              Normal
  12/28/2025 01 PM PST          242.73          13655         -              Normal
  12/28/2025 02 PM PST          242.71          13585         -              Normal
  12/28/2025 03 PM PST          242.68          13479         -              Normal
  12/28/2025 04 PM PST          242.66          13408         -              Normal
  12/28/2025 05 PM PST          242.64          13337         -              Normal
  12/28/2025 06 PM PST          242.62          13267         -              Normal
  12/28/2025 07 PM PST          242.60          13197         -              Normal
  12/28/2025 08 PM PST          242.58          13128         -              Normal
  12/28/2025 09 PM PST          242.55          13024         -              Normal
  12/28/2025 10 PM PST          242.53          12956         -              Normal
  12/28/2025 11 PM PST          242.50          12854         -              Normal
  12/29/2025 12 AM PST          242.47          12752         -              Normal
  12/29/2025 01 AM PST          242.45          12685         -              Normal
  12/29/2025 02 AM PST          242.42          12585         -              Normal
  12/29/2025 03 AM PST          242.39          12486         -              Normal
  12/29/2025 04 AM PST          242.36          12388         -              Normal
  12/29/2025 05 AM PST          242.33          12290         -              Normal
  12/29/2025 06 AM PST          242.30          12193         -              Normal
  12/29/2025 07 AM PST          242.27          12097         -              Normal
  12/29/2025 08 AM PST          242.24          12001         -              Normal
  12/29/2025 09 AM PST          242.22          11938         -              Normal
  12/29/2025 10 AM PST          242.26          12065         +              Normal
  12/29/2025 11 AM PST          242.46          12719         +              Normal
  12/29/2025 12 PM PST          242.75          13725         +              Normal
  12/29/2025 01 PM PST          243.03          14745         +              Normal
  12/29/2025 02 PM PST          243.22          15475         +              Normal
  12/29/2025 03 PM PST          243.34          15931         +              Normal
  12/29/2025 04 PM PST          243.41          16203         +              Normal
  12/29/2025 05 PM PST          243.45          16361         +              Normal
  12/29/2025 06 PM PST          243.47          16440         +              Normal
  12/29/2025 07 PM PST          243.47          16440         0              Normal
  12/29/2025 08 PM PST          243.47          16440         0              Normal
  12/29/2025 09 PM PST          243.47          16440         0              Normal
  12/29/2025 10 PM PST          243.46          16400         -              Normal
  12/29/2025 11 PM PST          243.44          16321         -              Normal
  12/30/2025 12 AM PST          243.43          16282         -              Normal
  12/30/2025 01 AM PST          243.42          16242         -              Normal
  12/30/2025 02 AM PST          243.40          16164         -              Normal
  12/30/2025 03 AM PST          243.39          16125         -              Normal
  12/30/2025 04 AM PST          243.38          16086         -              Normal
  12/30/2025 05 AM PST          243.36          16008         -              Normal
  12/30/2025 06 AM PST          243.35          15969         -              Normal
  12/30/2025 07 AM PST          243.34          15931         -              Normal
  12/30/2025 08 AM PST          243.32          15854         -              Normal
  12/30/2025 09 AM PST          243.31          15816         -              Normal
  12/30/2025 10 AM PST          243.29          15739         -              Normal
  12/30/2025 11 AM PST          243.26          15625         -              Normal
  12/30/2025 12 PM PST          243.22          15475         -              Normal
  12/30/2025 01 PM PST          243.17          15282         -              Normal
  12/30/2025 02 PM PST          243.12          15088         -              Normal
  12/30/2025 03 PM PST          243.06          14858         -              Normal
  12/30/2025 04 PM PST          243.00          14632         -              Normal
  12/30/2025 05 PM PST          242.94          14409         -              Normal
  12/30/2025 06 PM PST          242.90          14262         -              Normal
  12/30/2025 07 PM PST          242.86          14117         -              Normal
  12/30/2025 08 PM PST          242.84          14045         -              Normal
  12/30/2025 09 PM PST          242.81          13937         -              Normal
  12/30/2025 10 PM PST          242.80          13902         -              Normal
  12/30/2025 11 PM PST          242.78          13831         -              Normal
  12/31/2025 12 AM PST          242.77          13795         -              Normal
  12/31/2025 01 AM PST          242.76          13760         -              Normal
  12/31/2025 02 AM PST          242.75          13725         -              Normal
  12/31/2025 03 AM PST          242.74          13690         -              Normal
  12/31/2025 04 AM PST          242.73          13655         -              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.