SUSAN RIVER - SUSANVILLE (SUSC1)
Latitude: 40.41º NLongitude: 120.66º WElevation: 4190 Feet
Location: Lassen County in CaliforniaBulletin Group: Eastern SierraRiver Group: Eastern Sierra
Issuance Time: Dec 26 2025 at 2:46 PM PSTNext Issuance: Dec 27 2025 at 9:00 AM PST
Action/Monitor: 10.5 FeetMinor Flood: 12.0 FeetModerate Flood: 13.0 FeetMajor Flood: 14.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Susan River - Susanville (SUSC1)
#
# File Generation Time:  12/26/2025 at 02:46 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/24/2025 at 11:00 AM PST
# Maximum Observed Stage:                       12.03 Feet
# Maximum Observed Flow:                        2212 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 03:00 PM PST
# Maximum Forecast Stage:                       6.99 Feet
# Maximum Forecast Flow:                        533 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 02 PM PST            8.11            815                        Normal
  12/21/2025 03 PM PST            8.30            868         +              Normal
  12/21/2025 04 PM PST            8.51            928         +              Normal
  12/21/2025 05 PM PST            9.08           1104         +              Normal
  12/21/2025 06 PM PST            9.69           1306         +              Normal
  12/21/2025 07 PM PST           10.19           1486         +              Normal
  12/21/2025 08 PM PST           10.45           1580         +              Normal
  12/21/2025 09 PM PST           10.94           1766         +      Action/Monitor
  12/21/2025 10 PM PST           11.62           2038         +      Action/Monitor
  12/21/2025 11 PM PST           11.95           2180         +      Action/Monitor
  12/22/2025 12 AM PST           11.98           2192         +      Action/Monitor
  12/22/2025 01 AM PST           12.00           2200         +         Minor Flood
  12/22/2025 02 AM PST           11.92           2168         -      Action/Monitor
  12/22/2025 03 AM PST           11.48           1982         -      Action/Monitor
  12/22/2025 04 AM PST           11.01           1794         -      Action/Monitor
  12/22/2025 05 AM PST           10.87           1738         -      Action/Monitor
  12/22/2025 06 AM PST           10.49           1596         -              Normal
  12/22/2025 07 AM PST           10.06           1434         -              Normal
  12/22/2025 08 AM PST            9.76           1328         -              Normal
  12/22/2025 09 AM PST            9.43           1219         -              Normal
  12/22/2025 10 AM PST            9.22           1146         -              Normal
  12/22/2025 11 AM PST            8.93           1052         -              Normal
  12/22/2025 12 PM PST            8.66            972         -              Normal
  12/22/2025 01 PM PST            8.50            925         -              Normal
  12/22/2025 02 PM PST            8.28            862         -              Normal
  12/22/2025 03 PM PST            8.06            801         -              Normal
  12/22/2025 04 PM PST            7.90            758         -              Normal
  12/22/2025 05 PM PST            7.73            714         -              Normal
  12/22/2025 06 PM PST            7.62            685         -              Normal
  12/22/2025 07 PM PST            7.54            665         -              Normal
  12/22/2025 08 PM PST            7.48            650         -              Normal
  12/22/2025 09 PM PST            7.41            632         -              Normal
  12/22/2025 10 PM PST            7.43            637         +              Normal
  12/22/2025 11 PM PST            7.50            655         +              Normal
  12/23/2025 12 AM PST            7.63            688         +              Normal
  12/23/2025 01 AM PST            7.77            724         +              Normal
  12/23/2025 02 AM PST            7.73            714         -              Normal
  12/23/2025 03 AM PST            7.51            657         -              Normal
  12/23/2025 04 AM PST            7.36            620         -              Normal
  12/23/2025 05 AM PST            7.27            599         -              Normal
  12/23/2025 06 AM PST            7.15            570         -              Normal
  12/23/2025 07 AM PST            7.05            546         -              Normal
  12/23/2025 08 AM PST            6.90            512         -              Normal
  12/23/2025 09 AM PST            6.81            492         -              Normal
  12/23/2025 10 AM PST            6.79            488         -              Normal
  12/23/2025 11 AM PST            6.67            461         -              Normal
  12/23/2025 12 PM PST            6.59            444         -              Normal
  12/23/2025 01 PM PST            6.54            433         -              Normal
  12/23/2025 02 PM PST            6.48            421         -              Normal
  12/23/2025 03 PM PST            6.42            408         -              Normal
  12/23/2025 04 PM PST            6.35            394         -              Normal
  12/23/2025 05 PM PST            6.27            378         -              Normal
  12/23/2025 06 PM PST            6.20            364         -              Normal
  12/23/2025 07 PM PST            6.20            364         0              Normal
  12/23/2025 08 PM PST            6.09            343         -              Normal
  12/23/2025 09 PM PST            6.07            339         -              Normal
  12/23/2025 10 PM PST            6.04            334         -              Normal
  12/23/2025 11 PM PST            5.77            284         -              Normal
  12/24/2025 12 AM PST            5.97            320         +              Normal
  12/24/2025 01 AM PST            6.05            335         +              Normal
  12/24/2025 02 AM PST            6.26            376         +              Normal
  12/24/2025 03 AM PST            6.40            404         +              Normal
  12/24/2025 04 AM PST            6.71            470         +              Normal
  12/24/2025 05 AM PST            7.42            635         +              Normal
  12/24/2025 06 AM PST            8.03            793         +              Normal
  12/24/2025 07 AM PST            8.64            966         +              Normal
  12/24/2025 08 AM PST            9.64           1286         +              Normal
  12/24/2025 09 AM PST           10.70           1670         +      Action/Monitor
  12/24/2025 10 AM PST           11.60           2030         +      Action/Monitor
  12/24/2025 11 AM PST           12.03           2212         +         Minor Flood
  12/24/2025 12 PM PST           11.92           2168         -      Action/Monitor
  12/24/2025 01 PM PST           11.62           2038         -      Action/Monitor
  12/24/2025 02 PM PST           11.09           1826         -      Action/Monitor
  12/24/2025 03 PM PST           10.51           1603         -      Action/Monitor
  12/24/2025 04 PM PST            9.96           1398         -              Normal
  12/24/2025 05 PM PST            9.60           1270         -              Normal
  12/24/2025 06 PM PST            9.27           1161         -              Normal
  12/24/2025 07 PM PST            9.01           1083         -              Normal
  12/24/2025 08 PM PST            8.78           1005         -              Normal
  12/24/2025 09 PM PST            8.60            954         -              Normal
  12/24/2025 10 PM PST            8.52            931         -              Normal
  12/24/2025 11 PM PST            8.36            885         -              Normal
  12/25/2025 12 AM PST            8.32            874         -              Normal
  12/25/2025 01 AM PST            8.25            854         -              Normal
  12/25/2025 02 AM PST            8.34            879         +              Normal
  12/25/2025 03 AM PST            8.36            885         +              Normal
  12/25/2025 04 AM PST            8.39            893         +              Normal
  12/25/2025 05 AM PST            8.45            910         +              Normal
  12/25/2025 06 AM PST            8.64            966         +              Normal
  12/25/2025 07 AM PST            9.02           1086         +              Normal
  12/25/2025 08 AM PST            9.45           1225         +              Normal
  12/25/2025 09 AM PST            9.90           1380         +              Normal
  12/25/2025 10 AM PST            9.77           1331         -              Normal
  12/25/2025 11 AM PST            9.37           1198         -              Normal
  12/25/2025 12 PM PST            9.16           1128         -              Normal
  12/25/2025 01 PM PST            9.06           1098         -              Normal
  12/25/2025 02 PM PST            8.90           1040         -              Normal
  12/25/2025 03 PM PST            8.73            992         -              Normal
  12/25/2025 04 PM PST            8.61            957         -              Normal
  12/25/2025 05 PM PST            8.49            922         -              Normal
  12/25/2025 06 PM PST            8.36            885         -              Normal
  12/25/2025 07 PM PST            8.26            857         -              Normal
  12/25/2025 08 PM PST            8.19            837         -              Normal
  12/25/2025 09 PM PST            8.13            820         -              Normal
  12/25/2025 10 PM PST            8.07            804         -              Normal
  12/25/2025 11 PM PST            7.99            782         -              Normal
  12/26/2025 12 AM PST            7.90            758         -              Normal
  12/26/2025 01 AM PST            7.81            735         -              Normal
  12/26/2025 02 AM PST            7.73            714         -              Normal
  12/26/2025 03 AM PST            7.66            696         -              Normal
  12/26/2025 04 AM PST            7.50            655         -              Normal
  12/26/2025 05 AM PST            7.43            637         -              Normal
  12/26/2025 06 AM PST            7.36            620         -              Normal
  12/26/2025 07 AM PST            7.22            587         -              Normal
  12/26/2025 08 AM PST            7.17            575         -              Normal
  12/26/2025 09 AM PST            7.11            560         -              Normal
  12/26/2025 10 AM PST            7.08            553         -              Normal
  12/26/2025 11 AM PST            7.03            542         -              Normal
  12/26/2025 12 PM PST            6.99            533         -              Normal
  12/26/2025 01 PM PST            6.98            530         -              Normal
  12/26/2025 02 PM PST            6.98            530         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 03 PM PST            6.99            533                        Normal
  12/26/2025 04 PM PST            6.99            533         0              Normal
  12/26/2025 05 PM PST            6.99            533         0              Normal
  12/26/2025 06 PM PST            6.97            528         -              Normal
  12/26/2025 07 PM PST            6.96            526         -              Normal
  12/26/2025 08 PM PST            6.96            526         0              Normal
  12/26/2025 09 PM PST            6.97            528         +              Normal
  12/26/2025 10 PM PST            6.97            528         0              Normal
  12/26/2025 11 PM PST            6.97            528         0              Normal
  12/27/2025 12 AM PST            6.95            523         -              Normal
  12/27/2025 01 AM PST            6.93            519         -              Normal
  12/27/2025 02 AM PST            6.92            517         -              Normal
  12/27/2025 03 AM PST            6.90            512         -              Normal
  12/27/2025 04 AM PST            6.89            510         -              Normal
  12/27/2025 05 AM PST            6.87            505         -              Normal
  12/27/2025 06 AM PST            6.84            499         -              Normal
  12/27/2025 07 AM PST            6.82            494         -              Normal
  12/27/2025 08 AM PST            6.81            492         -              Normal
  12/27/2025 09 AM PST            6.80            490         -              Normal
  12/27/2025 10 AM PST            6.79            488         -              Normal
  12/27/2025 11 AM PST            6.77            483         -              Normal
  12/27/2025 12 PM PST            6.74            477         -              Normal
  12/27/2025 01 PM PST            6.73            475         -              Normal
  12/27/2025 02 PM PST            6.72            472         -              Normal
  12/27/2025 03 PM PST            6.71            470         -              Normal
  12/27/2025 04 PM PST            6.71            470         0              Normal
  12/27/2025 05 PM PST            6.69            466         -              Normal
  12/27/2025 06 PM PST            6.67            461         -              Normal
  12/27/2025 07 PM PST            6.65            457         -              Normal
  12/27/2025 08 PM PST            6.64            455         -              Normal
  12/27/2025 09 PM PST            6.64            455         0              Normal
  12/27/2025 10 PM PST            6.63            453         -              Normal
  12/27/2025 11 PM PST            6.62            450         -              Normal
  12/28/2025 12 AM PST            6.59            444         -              Normal
  12/28/2025 01 AM PST            6.57            440         -              Normal
  12/28/2025 02 AM PST            6.56            438         -              Normal
  12/28/2025 03 AM PST            6.55            435         -              Normal
  12/28/2025 04 AM PST            6.54            433         -              Normal
  12/28/2025 05 AM PST            6.52            429         -              Normal
  12/28/2025 06 AM PST            6.50            425         -              Normal
  12/28/2025 07 AM PST            6.48            421         -              Normal
  12/28/2025 08 AM PST            6.47            419         -              Normal
  12/28/2025 09 AM PST            6.46            417         -              Normal
  12/28/2025 10 AM PST            6.45            414         -              Normal
  12/28/2025 11 AM PST            6.44            412         -              Normal
  12/28/2025 12 PM PST            6.41            406         -              Normal
  12/28/2025 01 PM PST            6.40            404         -              Normal
  12/28/2025 02 PM PST            6.39            402         -              Normal
  12/28/2025 03 PM PST            6.39            402         0              Normal
  12/28/2025 04 PM PST            6.38            400         -              Normal
  12/28/2025 05 PM PST            6.37            398         -              Normal
  12/28/2025 06 PM PST            6.35            394         -              Normal
  12/28/2025 07 PM PST            6.33            390         -              Normal
  12/28/2025 08 PM PST            6.33            390         0              Normal
  12/28/2025 09 PM PST            6.32            388         -              Normal
  12/28/2025 10 PM PST            6.32            388         0              Normal
  12/28/2025 11 PM PST            6.30            384         -              Normal
  12/29/2025 12 AM PST            6.28            380         -              Normal
  12/29/2025 01 AM PST            6.26            376         -              Normal
  12/29/2025 02 AM PST            6.25            374         -              Normal
  12/29/2025 03 AM PST            6.25            374         0              Normal
  12/29/2025 04 AM PST            6.24            372         -              Normal
  12/29/2025 05 AM PST            6.22            368         -              Normal
  12/29/2025 06 AM PST            6.20            364         -              Normal
  12/29/2025 07 AM PST            6.18            360         -              Normal
  12/29/2025 08 AM PST            6.17            358         -              Normal
  12/29/2025 09 AM PST            6.16            356         -              Normal
  12/29/2025 10 AM PST            6.16            356         0              Normal
  12/29/2025 11 AM PST            6.14            353         -              Normal
  12/29/2025 12 PM PST            6.12            349         -              Normal
  12/29/2025 01 PM PST            6.11            347         -              Normal
  12/29/2025 02 PM PST            6.10            345         -              Normal
  12/29/2025 03 PM PST            6.10            345         0              Normal
  12/29/2025 04 PM PST            6.09            343         -              Normal
  12/29/2025 05 PM PST            6.08            341         -              Normal
  12/29/2025 06 PM PST            6.06            337         -              Normal
  12/29/2025 07 PM PST            6.05            335         -              Normal
  12/29/2025 08 PM PST            6.05            335         0              Normal
  12/29/2025 09 PM PST            6.04            334         -              Normal
  12/29/2025 10 PM PST            6.04            334         0              Normal
  12/29/2025 11 PM PST            6.03            332         -              Normal
  12/30/2025 12 AM PST            6.01            328         -              Normal
  12/30/2025 01 AM PST            5.99            324         -              Normal
  12/30/2025 02 AM PST            5.99            324         0              Normal
  12/30/2025 03 AM PST            5.98            322         -              Normal
  12/30/2025 04 AM PST            5.97            320         -              Normal
  12/30/2025 05 AM PST            5.96            318         -              Normal
  12/30/2025 06 AM PST            5.93            313         -              Normal
  12/30/2025 07 AM PST            5.92            311         -              Normal
  12/30/2025 08 AM PST            5.91            309         -              Normal
  12/30/2025 09 AM PST            5.91            309         0              Normal
  12/30/2025 10 AM PST            5.90            307         -              Normal
  12/30/2025 11 AM PST            5.89            305         -              Normal
  12/30/2025 12 PM PST            5.87            302         -              Normal
  12/30/2025 01 PM PST            5.86            300         -              Normal
  12/30/2025 02 PM PST            5.85            298         -              Normal
  12/30/2025 03 PM PST            5.85            298         0              Normal
  12/30/2025 04 PM PST            5.85            298         0              Normal
  12/30/2025 05 PM PST            5.84            296         -              Normal
  12/30/2025 06 PM PST            5.82            293         -              Normal
  12/30/2025 07 PM PST            5.81            291         -              Normal
  12/30/2025 08 PM PST            5.81            291         0              Normal
  12/30/2025 09 PM PST            5.81            291         0              Normal
  12/30/2025 10 PM PST            5.80            289         -              Normal
  12/30/2025 11 PM PST            5.80            289         0              Normal
  12/31/2025 12 AM PST            5.78            286         -              Normal
  12/31/2025 01 AM PST            5.77            284         -              Normal
  12/31/2025 02 AM PST            5.76            282         -              Normal
  12/31/2025 03 AM PST            5.76            282         0              Normal
  12/31/2025 04 AM PST            5.75            280         -              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.