National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 |  End of River Group

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 25 2025 at 2:19 PM PSTNext Issuance: Dec 26 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:  12/25/2025 at 02:19 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:     12/25/2025 at 02:00 PM PST
# Maximum Forecast Stage:                       8.98 Feet
# Maximum Forecast Flow:                        1072 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/20/2025 02 PM PST            4.40             76                        Normal
  12/20/2025 03 PM PST            4.38             73         -              Normal
  12/20/2025 04 PM PST            4.36             71         -              Normal
  12/20/2025 05 PM PST            4.35             70         -              Normal
  12/20/2025 06 PM PST            4.35             70         0              Normal
  12/20/2025 07 PM PST            4.33             67         -              Normal
  12/20/2025 08 PM PST            4.32             66         -              Normal
  12/20/2025 09 PM PST            4.32             66         0              Normal
  12/20/2025 10 PM PST            4.32             66         0              Normal
  12/20/2025 11 PM PST            4.35             70         +              Normal
  12/21/2025 12 AM PST            4.42             78         +              Normal
  12/21/2025 01 AM PST            4.49             88         +              Normal
  12/21/2025 02 AM PST            4.53             93         +              Normal
  12/21/2025 03 AM PST            4.56             97         +              Normal
  12/21/2025 04 AM PST            4.60            102         +              Normal
  12/21/2025 05 AM PST            4.70            117         +              Normal
  12/21/2025 06 AM PST            4.83            137         +              Normal
  12/21/2025 07 AM PST            4.98            159         +              Normal
  12/21/2025 08 AM PST            5.21            192         +              Normal
  12/21/2025 09 AM PST            5.53            243         +              Normal
  12/21/2025 10 AM PST            6.04            334         +              Normal
  12/21/2025 11 AM PST            6.76            481         +              Normal
  12/21/2025 12 PM PST            7.28            601         +              Normal
  12/21/2025 01 PM PST            7.71            709         +              Normal
  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            9.45           1225         +              Normal
  12/25/2025 08 AM PST            9.90           1380         +              Normal
  12/25/2025 09 AM PST            9.90           1380         0              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
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/25/2025 02 PM PST            8.98           1072                        Normal
  12/25/2025 03 PM PST            8.93           1052         -              Normal
  12/25/2025 04 PM PST            8.87           1031         -              Normal
  12/25/2025 05 PM PST            8.69            981         -              Normal
  12/25/2025 06 PM PST            8.45            910         -              Normal
  12/25/2025 07 PM PST            8.27            860         -              Normal
  12/25/2025 08 PM PST            8.12            818         -              Normal
  12/25/2025 09 PM PST            8.00            785         -              Normal
  12/25/2025 10 PM PST            7.89            755         -              Normal
  12/25/2025 11 PM PST            7.79            729         -              Normal
  12/26/2025 12 AM PST            7.70            706         -              Normal
  12/26/2025 01 AM PST            7.62            685         -              Normal
  12/26/2025 02 AM PST            7.61            683         -              Normal
  12/26/2025 03 AM PST            7.60            680         -              Normal
  12/26/2025 04 AM PST            7.59            677         -              Normal
  12/26/2025 05 AM PST            7.58            675         -              Normal
  12/26/2025 06 AM PST            7.55            667         -              Normal
  12/26/2025 07 AM PST            7.53            662         -              Normal
  12/26/2025 08 AM PST            7.52            660         -              Normal
  12/26/2025 09 AM PST            7.51            657         -              Normal
  12/26/2025 10 AM PST            7.50            655         -              Normal
  12/26/2025 11 AM PST            7.47            647         -              Normal
  12/26/2025 12 PM PST            7.42            635         -              Normal
  12/26/2025 01 PM PST            7.40            630         -              Normal
  12/26/2025 02 PM PST            7.38            625         -              Normal
  12/26/2025 03 PM PST            7.36            620         -              Normal
  12/26/2025 04 PM PST            7.35            618         -              Normal
  12/26/2025 05 PM PST            7.33            613         -              Normal
  12/26/2025 06 PM PST            7.29            604         -              Normal
  12/26/2025 07 PM PST            7.27            599         -              Normal
  12/26/2025 08 PM PST            7.25            594         -              Normal
  12/26/2025 09 PM PST            7.24            592         -              Normal
  12/26/2025 10 PM PST            7.24            592         0              Normal
  12/26/2025 11 PM PST            7.21            584         -              Normal
  12/27/2025 12 AM PST            7.18            577         -              Normal
  12/27/2025 01 AM PST            7.16            572         -              Normal
  12/27/2025 02 AM PST            7.14            568         -              Normal
  12/27/2025 03 AM PST            7.13            565         -              Normal
  12/27/2025 04 AM PST            7.12            563         -              Normal
  12/27/2025 05 AM PST            7.10            558         -              Normal
  12/27/2025 06 AM PST            7.06            549         -              Normal
  12/27/2025 07 AM PST            7.04            544         -              Normal
  12/27/2025 08 AM PST            7.03            542         -              Normal
  12/27/2025 09 AM PST            7.01            537         -              Normal
  12/27/2025 10 AM PST            7.00            535         -              Normal
  12/27/2025 11 AM PST            6.98            530         -              Normal
  12/27/2025 12 PM PST            6.96            526         -              Normal
  12/27/2025 01 PM PST            6.94            521         -              Normal
  12/27/2025 02 PM PST            6.93            519         -              Normal
  12/27/2025 03 PM PST            6.92            517         -              Normal
  12/27/2025 04 PM PST            6.92            517         0              Normal
  12/27/2025 05 PM PST            6.90            512         -              Normal
  12/27/2025 06 PM PST            6.87            505         -              Normal
  12/27/2025 07 PM PST            6.86            503         -              Normal
  12/27/2025 08 PM PST            6.84            499         -              Normal
  12/27/2025 09 PM PST            6.84            499         0              Normal
  12/27/2025 10 PM PST            6.83            497         -              Normal
  12/27/2025 11 PM PST            6.82            494         -              Normal
  12/28/2025 12 AM PST            6.79            488         -              Normal
  12/28/2025 01 AM PST            6.77            483         -              Normal
  12/28/2025 02 AM PST            6.76            481         -              Normal
  12/28/2025 03 AM PST            6.75            479         -              Normal
  12/28/2025 04 AM PST            6.74            477         -              Normal
  12/28/2025 05 AM PST            6.72            472         -              Normal
  12/28/2025 06 AM PST            6.69            466         -              Normal
  12/28/2025 07 AM PST            6.67            461         -              Normal
  12/28/2025 08 AM PST            6.66            459         -              Normal
  12/28/2025 09 AM PST            6.65            457         -              Normal
  12/28/2025 10 AM PST            6.64            455         -              Normal
  12/28/2025 11 AM PST            6.62            450         -              Normal
  12/28/2025 12 PM PST            6.60            446         -              Normal
  12/28/2025 01 PM PST            6.58            442         -              Normal
  12/28/2025 02 PM PST            6.58            442         0              Normal
  12/28/2025 03 PM PST            6.57            440         -              Normal
  12/28/2025 04 PM PST            6.57            440         0              Normal
  12/28/2025 05 PM PST            6.55            435         -              Normal
  12/28/2025 06 PM PST            6.53            431         -              Normal
  12/28/2025 07 PM PST            6.51            427         -              Normal
  12/28/2025 08 PM PST            6.50            425         -              Normal
  12/28/2025 09 PM PST            6.50            425         0              Normal
  12/28/2025 10 PM PST            6.50            425         0              Normal
  12/28/2025 11 PM PST            6.48            421         -              Normal
  12/29/2025 12 AM PST            6.46            417         -              Normal
  12/29/2025 01 AM PST            6.44            412         -              Normal
  12/29/2025 02 AM PST            6.43            410         -              Normal
  12/29/2025 03 AM PST            6.42            408         -              Normal
  12/29/2025 04 AM PST            6.41            406         -              Normal
  12/29/2025 05 AM PST            6.39            402         -              Normal
  12/29/2025 06 AM PST            6.37            398         -              Normal
  12/29/2025 07 AM PST            6.35            394         -              Normal
  12/29/2025 08 AM PST            6.34            392         -              Normal
  12/29/2025 09 AM PST            6.33            390         -              Normal
  12/29/2025 10 AM PST            6.33            390         0              Normal
  12/29/2025 11 AM PST            6.31            386         -              Normal
  12/29/2025 12 PM PST            6.29            382         -              Normal
  12/29/2025 01 PM PST            6.28            380         -              Normal
  12/29/2025 02 PM PST            6.27            378         -              Normal
  12/29/2025 03 PM PST            6.26            376         -              Normal
  12/29/2025 04 PM PST            6.26            376         0              Normal
  12/29/2025 05 PM PST            6.25            374         -              Normal
  12/29/2025 06 PM PST            6.23            370         -              Normal
  12/29/2025 07 PM PST            6.22            368         -              Normal
  12/29/2025 08 PM PST            6.21            366         -              Normal
  12/29/2025 09 PM PST            6.21            366         0              Normal
  12/29/2025 10 PM PST            6.20            364         -              Normal
  12/29/2025 11 PM PST            6.19            362         -              Normal
  12/30/2025 12 AM PST            6.17            358         -              Normal
  12/30/2025 01 AM PST            6.15            354         -              Normal
  12/30/2025 02 AM PST            6.14            353         -              Normal
  12/30/2025 03 AM PST            6.13            351         -              Normal
  12/30/2025 04 AM PST            6.13            351         0              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.