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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: | May 23 2026 at 8:36 AM PDT | Next Issuance: | May 24 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: 05/23/2026 at 08:36 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/18/2026 at 04:00 PM PDT
# Maximum Observed Stage: 3.97 Feet
# Maximum Observed Flow: 31 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/23/2026 at 09:00 AM PDT
# Maximum Forecast Stage: 3.89 Feet
# Maximum Forecast Flow: 24 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/18/2026 08 AM PDT 3.97 31 Normal
05/18/2026 09 AM PDT 3.96 30 - Normal
05/18/2026 10 AM PDT 3.96 30 0 Normal
05/18/2026 11 AM PDT 3.96 30 0 Normal
05/18/2026 12 PM PDT 3.96 30 0 Normal
05/18/2026 01 PM PDT 3.97 31 + Normal
05/18/2026 02 PM PDT 3.97 31 0 Normal
05/18/2026 03 PM PDT 3.97 31 0 Normal
05/18/2026 04 PM PDT 3.97 31 0 Normal
05/18/2026 05 PM PDT 3.96 30 - Normal
05/18/2026 06 PM PDT 3.95 29 - Normal
05/18/2026 07 PM PDT 3.95 29 0 Normal
05/18/2026 08 PM PDT 3.95 29 0 Normal
05/18/2026 09 PM PDT 3.94 28 - Normal
05/18/2026 10 PM PDT 3.95 29 + Normal
05/18/2026 11 PM PDT 3.94 28 - Normal
05/19/2026 12 AM PDT 3.94 28 0 Normal
05/19/2026 01 AM PDT 3.94 28 0 Normal
05/19/2026 02 AM PDT 3.93 27 - Normal
05/19/2026 03 AM PDT 3.93 27 0 Normal
05/19/2026 04 AM PDT 3.94 28 + Normal
05/19/2026 05 AM PDT 3.94 28 0 Normal
05/19/2026 06 AM PDT 3.95 29 + Normal
05/19/2026 07 AM PDT 3.95 29 0 Normal
05/19/2026 08 AM PDT 3.95 29 0 Normal
05/19/2026 09 AM PDT 3.95 29 0 Normal
05/19/2026 10 AM PDT 3.95 29 0 Normal
05/19/2026 11 AM PDT 3.95 29 0 Normal
05/19/2026 12 PM PDT 3.95 29 0 Normal
05/19/2026 01 PM PDT 3.95 29 0 Normal
05/19/2026 02 PM PDT 3.96 30 + Normal
05/19/2026 03 PM PDT 3.95 29 - Normal
05/19/2026 04 PM PDT 3.95 29 0 Normal
05/19/2026 05 PM PDT 3.95 29 0 Normal
05/19/2026 06 PM PDT 3.95 29 0 Normal
05/19/2026 07 PM PDT 3.94 28 - Normal
05/19/2026 08 PM PDT 3.94 28 0 Normal
05/19/2026 09 PM PDT 3.94 28 0 Normal
05/19/2026 10 PM PDT 3.93 27 - Normal
05/19/2026 11 PM PDT 3.93 27 0 Normal
05/20/2026 12 AM PDT 3.92 27 - Normal
05/20/2026 01 AM PDT 3.92 27 0 Normal
05/20/2026 02 AM PDT 3.92 27 0 Normal
05/20/2026 03 AM PDT 3.92 27 0 Normal
05/20/2026 04 AM PDT 3.92 27 0 Normal
05/20/2026 05 AM PDT 3.93 27 + Normal
05/20/2026 06 AM PDT 3.93 27 0 Normal
05/20/2026 07 AM PDT 3.94 28 + Normal
05/20/2026 08 AM PDT 3.94 28 0 Normal
05/20/2026 09 AM PDT 3.94 28 0 Normal
05/20/2026 10 AM PDT 3.94 28 0 Normal
05/20/2026 11 AM PDT 3.94 28 0 Normal
05/20/2026 12 PM PDT 3.94 28 0 Normal
05/20/2026 01 PM PDT 3.95 29 + Normal
05/20/2026 02 PM PDT 3.95 29 0 Normal
05/20/2026 03 PM PDT 3.94 28 - Normal
05/20/2026 04 PM PDT 3.95 29 + Normal
05/20/2026 05 PM PDT 3.94 28 - Normal
05/20/2026 06 PM PDT 3.94 28 0 Normal
05/20/2026 07 PM PDT 3.93 27 - Normal
05/20/2026 08 PM PDT 3.93 27 0 Normal
05/20/2026 09 PM PDT 3.92 27 - Normal
05/20/2026 10 PM PDT 3.92 27 0 Normal
05/20/2026 11 PM PDT 3.91 26 - Normal
05/21/2026 12 AM PDT 3.91 26 0 Normal
05/21/2026 01 AM PDT 3.91 26 0 Normal
05/21/2026 02 AM PDT 3.91 26 0 Normal
05/21/2026 03 AM PDT 3.91 26 0 Normal
05/21/2026 04 AM PDT 3.91 26 0 Normal
05/21/2026 05 AM PDT 3.91 26 0 Normal
05/21/2026 06 AM PDT 3.92 27 + Normal
05/21/2026 07 AM PDT 3.92 27 0 Normal
05/21/2026 08 AM PDT 3.93 27 + Normal
05/21/2026 09 AM PDT 3.93 27 0 Normal
05/21/2026 10 AM PDT 3.93 27 0 Normal
05/21/2026 11 AM PDT 3.93 27 0 Normal
05/21/2026 12 PM PDT 3.93 27 0 Normal
05/21/2026 01 PM PDT 3.93 27 0 Normal
05/21/2026 02 PM PDT 3.93 27 0 Normal
05/21/2026 03 PM PDT 3.94 28 + Normal
05/21/2026 04 PM PDT 3.93 27 - Normal
05/21/2026 05 PM PDT 3.93 27 0 Normal
05/21/2026 06 PM PDT 3.92 27 - Normal
05/21/2026 07 PM PDT 3.93 27 + Normal
05/21/2026 08 PM PDT 3.92 27 - Normal
05/21/2026 09 PM PDT 3.91 26 - Normal
05/21/2026 10 PM PDT 3.90 25 - Normal
05/21/2026 11 PM PDT 3.90 25 0 Normal
05/22/2026 12 AM PDT 3.90 25 0 Normal
05/22/2026 01 AM PDT 3.90 25 0 Normal
05/22/2026 02 AM PDT 3.90 25 0 Normal
05/22/2026 03 AM PDT 3.90 25 0 Normal
05/22/2026 04 AM PDT 3.90 25 0 Normal
05/22/2026 05 AM PDT 3.90 25 0 Normal
05/22/2026 06 AM PDT 3.91 26 + Normal
05/22/2026 07 AM PDT 3.91 26 0 Normal
05/22/2026 08 AM PDT 3.91 26 0 Normal
05/22/2026 09 AM PDT 3.91 26 0 Normal
05/22/2026 10 AM PDT 3.92 27 + Normal
05/22/2026 11 AM PDT 3.92 27 0 Normal
05/22/2026 12 PM PDT 3.91 26 - Normal
05/22/2026 01 PM PDT 3.92 27 + Normal
05/22/2026 02 PM PDT 3.92 27 0 Normal
05/22/2026 03 PM PDT 3.92 27 0 Normal
05/22/2026 04 PM PDT 3.91 26 - Normal
05/22/2026 05 PM PDT 3.91 26 0 Normal
05/22/2026 06 PM PDT 3.91 26 0 Normal
05/22/2026 07 PM PDT 3.90 25 - Normal
05/22/2026 08 PM PDT 3.90 25 0 Normal
05/22/2026 09 PM PDT 3.89 24 - Normal
05/22/2026 10 PM PDT 3.89 24 0 Normal
05/22/2026 11 PM PDT 3.89 24 0 Normal
05/23/2026 12 AM PDT 3.88 23 - Normal
05/23/2026 01 AM PDT 3.88 23 0 Normal
05/23/2026 02 AM PDT 3.88 23 0 Normal
05/23/2026 03 AM PDT 3.88 23 0 Normal
05/23/2026 04 AM PDT 3.89 24 + Normal
05/23/2026 05 AM PDT 3.89 24 0 Normal
05/23/2026 06 AM PDT 3.89 24 0 Normal
05/23/2026 07 AM PDT 3.89 24 0 Normal
05/23/2026 08 AM PDT 3.89 24 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/23/2026 09 AM PDT 3.89 24 Normal
05/23/2026 10 AM PDT 3.88 23 - Normal
05/23/2026 11 AM PDT 3.88 23 0 Normal
05/23/2026 12 PM PDT 3.88 23 0 Normal
05/23/2026 01 PM PDT 3.88 23 0 Normal
05/23/2026 02 PM PDT 3.88 23 0 Normal
05/23/2026 03 PM PDT 3.88 23 0 Normal
05/23/2026 04 PM PDT 3.88 23 0 Normal
05/23/2026 05 PM PDT 3.88 23 0 Normal
05/23/2026 06 PM PDT 3.88 23 0 Normal
05/23/2026 07 PM PDT 3.88 23 0 Normal
05/23/2026 08 PM PDT 3.88 23 0 Normal
05/23/2026 09 PM PDT 3.88 23 0 Normal
05/23/2026 10 PM PDT 3.88 23 0 Normal
05/23/2026 11 PM PDT 3.88 23 0 Normal
05/24/2026 12 AM PDT 3.88 23 0 Normal
05/24/2026 01 AM PDT 3.88 23 0 Normal
05/24/2026 02 AM PDT 3.88 23 0 Normal
05/24/2026 03 AM PDT 3.88 23 0 Normal
05/24/2026 04 AM PDT 3.88 23 0 Normal
05/24/2026 05 AM PDT 3.88 23 0 Normal
05/24/2026 06 AM PDT 3.88 23 0 Normal
05/24/2026 07 AM PDT 3.88 23 0 Normal
05/24/2026 08 AM PDT 3.88 23 0 Normal
05/24/2026 09 AM PDT 3.88 23 0 Normal
05/24/2026 10 AM PDT 3.87 23 - Normal
05/24/2026 11 AM PDT 3.87 23 0 Normal
05/24/2026 12 PM PDT 3.87 23 0 Normal
05/24/2026 01 PM PDT 3.87 23 0 Normal
05/24/2026 02 PM PDT 3.87 23 0 Normal
05/24/2026 03 PM PDT 3.87 23 0 Normal
05/24/2026 04 PM PDT 3.87 23 0 Normal
05/24/2026 05 PM PDT 3.87 23 0 Normal
05/24/2026 06 PM PDT 3.87 23 0 Normal
05/24/2026 07 PM PDT 3.87 23 0 Normal
05/24/2026 08 PM PDT 3.87 23 0 Normal
05/24/2026 09 PM PDT 3.87 23 0 Normal
05/24/2026 10 PM PDT 3.87 23 0 Normal
05/24/2026 11 PM PDT 3.87 23 0 Normal
05/25/2026 12 AM PDT 3.87 23 0 Normal
05/25/2026 01 AM PDT 3.87 23 0 Normal
05/25/2026 02 AM PDT 3.87 23 0 Normal
05/25/2026 03 AM PDT 3.87 23 0 Normal
05/25/2026 04 AM PDT 3.87 23 0 Normal
05/25/2026 05 AM PDT 3.87 23 0 Normal
05/25/2026 06 AM PDT 3.87 23 0 Normal
05/25/2026 07 AM PDT 3.87 23 0 Normal
05/25/2026 08 AM PDT 3.87 23 0 Normal
05/25/2026 09 AM PDT 3.86 22 - Normal
05/25/2026 10 AM PDT 3.86 22 0 Normal
05/25/2026 11 AM PDT 3.86 22 0 Normal
05/25/2026 12 PM PDT 3.86 22 0 Normal
05/25/2026 01 PM PDT 3.86 22 0 Normal
05/25/2026 02 PM PDT 3.86 22 0 Normal
05/25/2026 03 PM PDT 3.86 22 0 Normal
05/25/2026 04 PM PDT 3.86 22 0 Normal
05/25/2026 05 PM PDT 3.85 21 - Normal
05/25/2026 06 PM PDT 3.86 22 + Normal
05/25/2026 07 PM PDT 3.86 22 0 Normal
05/25/2026 08 PM PDT 3.86 22 0 Normal
05/25/2026 09 PM PDT 3.86 22 0 Normal
05/25/2026 10 PM PDT 3.86 22 0 Normal
05/25/2026 11 PM PDT 3.86 22 0 Normal
05/26/2026 12 AM PDT 3.86 22 0 Normal
05/26/2026 01 AM PDT 3.86 22 0 Normal
05/26/2026 02 AM PDT 3.86 22 0 Normal
05/26/2026 03 AM PDT 3.86 22 0 Normal
05/26/2026 04 AM PDT 3.86 22 0 Normal
05/26/2026 05 AM PDT 3.86 22 0 Normal
05/26/2026 06 AM PDT 3.86 22 0 Normal
05/26/2026 07 AM PDT 3.86 22 0 Normal
05/26/2026 08 AM PDT 3.86 22 0 Normal
05/26/2026 09 AM PDT 3.85 21 - Normal
05/26/2026 10 AM PDT 3.85 21 0 Normal
05/26/2026 11 AM PDT 3.85 21 0 Normal
05/26/2026 12 PM PDT 3.85 21 0 Normal
05/26/2026 01 PM PDT 3.85 21 0 Normal
05/26/2026 02 PM PDT 3.85 21 0 Normal
05/26/2026 03 PM PDT 3.85 21 0 Normal
05/26/2026 04 PM PDT 3.85 21 0 Normal
05/26/2026 05 PM PDT 3.85 21 0 Normal
05/26/2026 06 PM PDT 3.85 21 0 Normal
05/26/2026 07 PM PDT 3.84 21 - Normal
05/26/2026 08 PM PDT 3.85 21 + Normal
05/26/2026 09 PM PDT 3.85 21 0 Normal
05/26/2026 10 PM PDT 3.85 21 0 Normal
05/26/2026 11 PM PDT 3.85 21 0 Normal
05/27/2026 12 AM PDT 3.85 21 0 Normal
05/27/2026 01 AM PDT 3.85 21 0 Normal
05/27/2026 02 AM PDT 3.85 21 0 Normal
05/27/2026 03 AM PDT 3.85 21 0 Normal
05/27/2026 04 AM PDT 3.85 21 0 Normal
05/27/2026 05 AM PDT 3.85 21 0 Normal
05/27/2026 06 AM PDT 3.85 21 0 Normal
05/27/2026 07 AM PDT 3.85 21 0 Normal
05/27/2026 08 AM PDT 3.84 21 - Normal
05/27/2026 09 AM PDT 3.84 21 0 Normal
05/27/2026 10 AM PDT 3.84 21 0 Normal
05/27/2026 11 AM PDT 3.84 21 0 Normal
05/27/2026 12 PM PDT 3.84 21 0 Normal
05/27/2026 01 PM PDT 3.84 21 0 Normal
05/27/2026 02 PM PDT 3.84 21 0 Normal
05/27/2026 03 PM PDT 3.83 20 - Normal
05/27/2026 04 PM PDT 3.83 20 0 Normal
05/27/2026 05 PM PDT 3.83 20 0 Normal
05/27/2026 06 PM PDT 3.83 20 0 Normal
05/27/2026 07 PM PDT 3.83 20 0 Normal
05/27/2026 08 PM PDT 3.83 20 0 Normal
05/27/2026 09 PM PDT 3.83 20 0 Normal
05/27/2026 10 PM PDT 3.83 20 0 Normal
05/27/2026 11 PM PDT 3.84 21 + Normal
05/28/2026 12 AM PDT 3.84 21 0 Normal
05/28/2026 01 AM PDT 3.84 21 0 Normal
05/28/2026 02 AM PDT 3.84 21 0 Normal
05/28/2026 03 AM PDT 3.84 21 0 Normal
05/28/2026 04 AM PDT 3.84 21 0 Normal
05/28/2026 05 AM PDT 3.83 20 - 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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