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SUSAN RIVER - SUSANVILLE (SUSC1)
| Latitude: 40.41º N | Longitude: 120.66º W | Elevation: 4190 Feet | | Forecast Type: Official Location |
| Location: Lassen County in California | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
| Issuance Time: | Apr 28 2026 at 9:48 AM PDT | Next Issuance: | Apr 29 2026 at 9:00 AM PDT
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| Action/Monitor: 10.5 Feet | Minor Flood: 12.0 Feet | Moderate Flood: 13.0 Feet | Major Flood: 14.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Susan River - Susanville (SUSC1)
#
# File Generation Time: 04/28/2026 at 09:49 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/23/2026 at 11:00 AM PDT
# Maximum Observed Stage: 4.39 Feet
# Maximum Observed Flow: 75 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/28/2026 at 09:00 PM PDT
# Maximum Forecast Stage: 4.28 Feet
# Maximum Forecast Flow: 62 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/23/2026 09 AM PDT 4.39 75 Normal
04/23/2026 10 AM PDT 4.39 75 0 Normal
04/23/2026 11 AM PDT 4.39 75 0 Normal
04/23/2026 12 PM PDT 4.38 73 - Normal
04/23/2026 01 PM PDT 4.38 73 0 Normal
04/23/2026 02 PM PDT 4.37 72 - Normal
04/23/2026 03 PM PDT 4.37 72 0 Normal
04/23/2026 04 PM PDT 4.37 72 0 Normal
04/23/2026 05 PM PDT 4.36 71 - Normal
04/23/2026 06 PM PDT 4.36 71 0 Normal
04/23/2026 07 PM PDT 4.36 71 0 Normal
04/23/2026 08 PM PDT 4.35 70 - Normal
04/23/2026 09 PM PDT 4.35 70 0 Normal
04/23/2026 10 PM PDT 4.35 70 0 Normal
04/23/2026 11 PM PDT 4.35 70 0 Normal
04/24/2026 12 AM PDT 4.34 69 - Normal
04/24/2026 01 AM PDT 4.34 69 0 Normal
04/24/2026 02 AM PDT 4.34 69 0 Normal
04/24/2026 03 AM PDT 4.34 69 0 Normal
04/24/2026 04 AM PDT 4.34 69 0 Normal
04/24/2026 05 AM PDT 4.34 69 0 Normal
04/24/2026 06 AM PDT 4.34 69 0 Normal
04/24/2026 07 AM PDT 4.34 69 0 Normal
04/24/2026 08 AM PDT 4.34 69 0 Normal
04/24/2026 09 AM PDT 4.34 69 0 Normal
04/24/2026 10 AM PDT 4.33 67 - Normal
04/24/2026 11 AM PDT 4.33 67 0 Normal
04/24/2026 12 PM PDT 4.34 69 + Normal
04/24/2026 01 PM PDT 4.33 67 - Normal
04/24/2026 02 PM PDT 4.33 67 0 Normal
04/24/2026 03 PM PDT 4.33 67 0 Normal
04/24/2026 04 PM PDT 4.33 67 0 Normal
04/24/2026 05 PM PDT 4.32 66 - Normal
04/24/2026 06 PM PDT 4.32 66 0 Normal
04/24/2026 07 PM PDT 4.32 66 0 Normal
04/24/2026 08 PM PDT 4.31 65 - Normal
04/24/2026 09 PM PDT 4.30 64 - Normal
04/24/2026 10 PM PDT 4.30 64 0 Normal
04/24/2026 11 PM PDT 4.30 64 0 Normal
04/25/2026 12 AM PDT 4.30 64 0 Normal
04/25/2026 01 AM PDT 4.30 64 0 Normal
04/25/2026 02 AM PDT 4.30 64 0 Normal
04/25/2026 03 AM PDT 4.31 65 + Normal
04/25/2026 04 AM PDT 4.30 64 - Normal
04/25/2026 05 AM PDT 4.31 65 + Normal
04/25/2026 06 AM PDT 4.30 64 - Normal
04/25/2026 07 AM PDT 4.31 65 + Normal
04/25/2026 08 AM PDT 4.31 65 0 Normal
04/25/2026 09 AM PDT 4.31 65 0 Normal
04/25/2026 10 AM PDT 4.31 65 0 Normal
04/25/2026 11 AM PDT 4.31 65 0 Normal
04/25/2026 12 PM PDT 4.30 64 - Normal
04/25/2026 01 PM PDT 4.30 64 0 Normal
04/25/2026 02 PM PDT 4.31 65 + Normal
04/25/2026 03 PM PDT 4.31 65 0 Normal
04/25/2026 04 PM PDT 4.30 64 - Normal
04/25/2026 05 PM PDT 4.30 64 0 Normal
04/25/2026 06 PM PDT 4.30 64 0 Normal
04/25/2026 07 PM PDT 4.29 63 - Normal
04/25/2026 08 PM PDT 4.29 63 0 Normal
04/25/2026 09 PM PDT 4.28 62 - Normal
04/25/2026 10 PM PDT 4.29 63 + Normal
04/25/2026 11 PM PDT 4.28 62 - Normal
04/26/2026 12 AM PDT 4.28 62 0 Normal
04/26/2026 01 AM PDT 4.28 62 0 Normal
04/26/2026 02 AM PDT 4.28 62 0 Normal
04/26/2026 03 AM PDT 4.29 63 + Normal
04/26/2026 04 AM PDT 4.28 62 - Normal
04/26/2026 05 AM PDT 4.28 62 0 Normal
04/26/2026 06 AM PDT 4.28 62 0 Normal
04/26/2026 07 AM PDT 4.28 62 0 Normal
04/26/2026 08 AM PDT 4.28 62 0 Normal
04/26/2026 09 AM PDT 4.28 62 0 Normal
04/26/2026 10 AM PDT 4.29 63 + Normal
04/26/2026 11 AM PDT 4.29 63 0 Normal
04/26/2026 12 PM PDT 4.28 62 - Normal
04/26/2026 01 PM PDT 4.29 63 + Normal
04/26/2026 02 PM PDT 4.28 62 - Normal
04/26/2026 03 PM PDT 4.28 62 0 Normal
04/26/2026 04 PM PDT 4.29 63 + Normal
04/26/2026 05 PM PDT 4.28 62 - Normal
04/26/2026 06 PM PDT 4.28 62 0 Normal
04/26/2026 07 PM PDT 4.29 63 + Normal
04/26/2026 08 PM PDT 4.29 63 0 Normal
04/26/2026 09 PM PDT 4.30 64 + Normal
04/26/2026 10 PM PDT 4.31 65 + Normal
04/26/2026 11 PM PDT 4.31 65 0 Normal
04/27/2026 12 AM PDT 4.31 65 0 Normal
04/27/2026 01 AM PDT 4.31 65 0 Normal
04/27/2026 02 AM PDT 4.31 65 0 Normal
04/27/2026 03 AM PDT 4.32 66 + Normal
04/27/2026 04 AM PDT 4.32 66 0 Normal
04/27/2026 05 AM PDT 4.31 65 - Normal
04/27/2026 06 AM PDT 4.31 65 0 Normal
04/27/2026 07 AM PDT 4.31 65 0 Normal
04/27/2026 08 AM PDT 4.31 65 0 Normal
04/27/2026 09 AM PDT 4.31 65 0 Normal
04/27/2026 10 AM PDT 4.30 64 - Normal
04/27/2026 11 AM PDT 4.30 64 0 Normal
04/27/2026 12 PM PDT 4.30 64 0 Normal
04/27/2026 01 PM PDT 4.30 64 0 Normal
04/27/2026 02 PM PDT 4.30 64 0 Normal
04/27/2026 03 PM PDT 4.30 64 0 Normal
04/27/2026 04 PM PDT 4.29 63 - Normal
04/27/2026 05 PM PDT 4.29 63 0 Normal
04/27/2026 06 PM PDT 4.29 63 0 Normal
04/27/2026 07 PM PDT 4.28 62 - Normal
04/27/2026 08 PM PDT 4.29 63 + Normal
04/27/2026 09 PM PDT 4.29 63 0 Normal
04/27/2026 10 PM PDT 4.28 62 - Normal
04/27/2026 11 PM PDT 4.28 62 0 Normal
04/28/2026 12 AM PDT 4.28 62 0 Normal
04/28/2026 01 AM PDT 4.28 62 0 Normal
04/28/2026 02 AM PDT 4.28 62 0 Normal
04/28/2026 03 AM PDT 4.28 62 0 Normal
04/28/2026 04 AM PDT 4.29 63 + Normal
04/28/2026 05 AM PDT 4.29 63 0 Normal
04/28/2026 06 AM PDT 4.28 62 - Normal
04/28/2026 07 AM PDT 4.28 62 0 Normal
04/28/2026 08 AM PDT 4.27 61 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/28/2026 09 AM PDT 4.27 61 Normal
04/28/2026 10 AM PDT 4.27 61 0 Normal
04/28/2026 11 AM PDT 4.26 59 - Normal
04/28/2026 12 PM PDT 4.26 59 0 Normal
04/28/2026 01 PM PDT 4.26 59 0 Normal
04/28/2026 02 PM PDT 4.26 59 0 Normal
04/28/2026 03 PM PDT 4.26 59 0 Normal
04/28/2026 04 PM PDT 4.26 59 0 Normal
04/28/2026 05 PM PDT 4.26 59 0 Normal
04/28/2026 06 PM PDT 4.27 61 + Normal
04/28/2026 07 PM PDT 4.27 61 0 Normal
04/28/2026 08 PM PDT 4.27 61 0 Normal
04/28/2026 09 PM PDT 4.28 62 + Normal
04/28/2026 10 PM PDT 4.28 62 0 Normal
04/28/2026 11 PM PDT 4.28 62 0 Normal
04/29/2026 12 AM PDT 4.28 62 0 Normal
04/29/2026 01 AM PDT 4.28 62 0 Normal
04/29/2026 02 AM PDT 4.28 62 0 Normal
04/29/2026 03 AM PDT 4.28 62 0 Normal
04/29/2026 04 AM PDT 4.27 61 - Normal
04/29/2026 05 AM PDT 4.27 61 0 Normal
04/29/2026 06 AM PDT 4.26 59 - Normal
04/29/2026 07 AM PDT 4.26 59 0 Normal
04/29/2026 08 AM PDT 4.26 59 0 Normal
04/29/2026 09 AM PDT 4.25 58 - Normal
04/29/2026 10 AM PDT 4.25 58 0 Normal
04/29/2026 11 AM PDT 4.25 58 0 Normal
04/29/2026 12 PM PDT 4.25 58 0 Normal
04/29/2026 01 PM PDT 4.24 57 - Normal
04/29/2026 02 PM PDT 4.24 57 0 Normal
04/29/2026 03 PM PDT 4.24 57 0 Normal
04/29/2026 04 PM PDT 4.24 57 0 Normal
04/29/2026 05 PM PDT 4.24 57 0 Normal
04/29/2026 06 PM PDT 4.25 58 + Normal
04/29/2026 07 PM PDT 4.25 58 0 Normal
04/29/2026 08 PM PDT 4.25 58 0 Normal
04/29/2026 09 PM PDT 4.26 59 + Normal
04/29/2026 10 PM PDT 4.26 59 0 Normal
04/29/2026 11 PM PDT 4.26 59 0 Normal
04/30/2026 12 AM PDT 4.26 59 0 Normal
04/30/2026 01 AM PDT 4.26 59 0 Normal
04/30/2026 02 AM PDT 4.26 59 0 Normal
04/30/2026 03 AM PDT 4.26 59 0 Normal
04/30/2026 04 AM PDT 4.25 58 - Normal
04/30/2026 05 AM PDT 4.25 58 0 Normal
04/30/2026 06 AM PDT 4.25 58 0 Normal
04/30/2026 07 AM PDT 4.24 57 - Normal
04/30/2026 08 AM PDT 4.24 57 0 Normal
04/30/2026 09 AM PDT 4.24 57 0 Normal
04/30/2026 10 AM PDT 4.23 56 - Normal
04/30/2026 11 AM PDT 4.23 56 0 Normal
04/30/2026 12 PM PDT 4.23 56 0 Normal
04/30/2026 01 PM PDT 4.23 56 0 Normal
04/30/2026 02 PM PDT 4.23 56 0 Normal
04/30/2026 03 PM PDT 4.23 56 0 Normal
04/30/2026 04 PM PDT 4.23 56 0 Normal
04/30/2026 05 PM PDT 4.23 56 0 Normal
04/30/2026 06 PM PDT 4.23 56 0 Normal
04/30/2026 07 PM PDT 4.23 56 0 Normal
04/30/2026 08 PM PDT 4.24 57 + Normal
04/30/2026 09 PM PDT 4.24 57 0 Normal
04/30/2026 10 PM PDT 4.24 57 0 Normal
04/30/2026 11 PM PDT 4.25 58 + Normal
05/01/2026 12 AM PDT 4.25 58 0 Normal
05/01/2026 01 AM PDT 4.25 58 0 Normal
05/01/2026 02 AM PDT 4.24 57 - Normal
05/01/2026 03 AM PDT 4.24 57 0 Normal
05/01/2026 04 AM PDT 4.24 57 0 Normal
05/01/2026 05 AM PDT 4.23 56 - Normal
05/01/2026 06 AM PDT 4.23 56 0 Normal
05/01/2026 07 AM PDT 4.23 56 0 Normal
05/01/2026 08 AM PDT 4.22 55 - Normal
05/01/2026 09 AM PDT 4.22 55 0 Normal
05/01/2026 10 AM PDT 4.22 55 0 Normal
05/01/2026 11 AM PDT 4.22 55 0 Normal
05/01/2026 12 PM PDT 4.21 54 - Normal
05/01/2026 01 PM PDT 4.21 54 0 Normal
05/01/2026 02 PM PDT 4.21 54 0 Normal
05/01/2026 03 PM PDT 4.21 54 0 Normal
05/01/2026 04 PM PDT 4.21 54 0 Normal
05/01/2026 05 PM PDT 4.21 54 0 Normal
05/01/2026 06 PM PDT 4.22 55 + Normal
05/01/2026 07 PM PDT 4.22 55 0 Normal
05/01/2026 08 PM PDT 4.22 55 0 Normal
05/01/2026 09 PM PDT 4.23 56 + Normal
05/01/2026 10 PM PDT 4.23 56 0 Normal
05/01/2026 11 PM PDT 4.23 56 0 Normal
05/02/2026 12 AM PDT 4.24 57 + Normal
05/02/2026 01 AM PDT 4.24 57 0 Normal
05/02/2026 02 AM PDT 4.23 56 - Normal
05/02/2026 03 AM PDT 4.23 56 0 Normal
05/02/2026 04 AM PDT 4.23 56 0 Normal
05/02/2026 05 AM PDT 4.22 55 - Normal
05/02/2026 06 AM PDT 4.22 55 0 Normal
05/02/2026 07 AM PDT 4.22 55 0 Normal
05/02/2026 08 AM PDT 4.21 54 - Normal
05/02/2026 09 AM PDT 4.21 54 0 Normal
05/02/2026 10 AM PDT 4.21 54 0 Normal
05/02/2026 11 AM PDT 4.21 54 0 Normal
05/02/2026 12 PM PDT 4.21 54 0 Normal
05/02/2026 01 PM PDT 4.20 53 - Normal
05/02/2026 02 PM PDT 4.20 53 0 Normal
05/02/2026 03 PM PDT 4.20 53 0 Normal
05/02/2026 04 PM PDT 4.20 53 0 Normal
05/02/2026 05 PM PDT 4.20 53 0 Normal
05/02/2026 06 PM PDT 4.21 54 + Normal
05/02/2026 07 PM PDT 4.21 54 0 Normal
05/02/2026 08 PM PDT 4.21 54 0 Normal
05/02/2026 09 PM PDT 4.22 55 + Normal
05/02/2026 10 PM PDT 4.22 55 0 Normal
05/02/2026 11 PM PDT 4.22 55 0 Normal
05/03/2026 12 AM PDT 4.23 56 + Normal
05/03/2026 01 AM PDT 4.23 56 0 Normal
05/03/2026 02 AM PDT 4.22 55 - Normal
05/03/2026 03 AM PDT 4.22 55 0 Normal
05/03/2026 04 AM PDT 4.22 55 0 Normal
05/03/2026 05 AM PDT 4.21 54 - 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.
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