MIDDLE FORK COSUMNES RIVER - SOMERSET (SOSC1)
Latitude: 38.62º NLongitude: 120.70º WElevation: 1821 Feet
Location: El Dorado County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Jun 24 2025 at 11:40 AM PDTNext Issuance: Jun 25 2025 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Middle Fork Cosumnes River - Somerset (SOSC1)
#
# File Generation Time:  06/24/2025 at 11:43 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/19/2025 at 03:00 PM PDT
# Maximum Observed Stage:                       4.17 Feet
# Maximum Observed Flow:                        36 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/24/2025 at 11:00 AM PDT
# Maximum Forecast Stage:                       4.07 Feet
# Maximum Forecast Flow:                        29 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/19/2025 11 AM PDT            4.14             34                Not Applicable
  06/19/2025 12 PM PDT            4.13             33         -      Not Applicable
  06/19/2025 01 PM PDT            4.13             33         0      Not Applicable
  06/19/2025 02 PM PDT            4.11             32         -      Not Applicable
  06/19/2025 03 PM PDT            4.17             36         +      Not Applicable
  06/19/2025 04 PM PDT            4.15             34         -      Not Applicable
  06/19/2025 05 PM PDT            4.15             34         0      Not Applicable
  06/19/2025 06 PM PDT            4.15             34         0      Not Applicable
  06/19/2025 07 PM PDT            4.15             34         0      Not Applicable
  06/19/2025 08 PM PDT            4.15             34         0      Not Applicable
  06/19/2025 09 PM PDT            4.15             34         0      Not Applicable
  06/19/2025 10 PM PDT            4.15             34         0      Not Applicable
  06/19/2025 11 PM PDT            4.15             34         0      Not Applicable
  06/20/2025 12 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 01 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 02 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 03 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 04 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 05 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 06 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 07 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 08 AM PDT            4.15             34         0      Not Applicable
  06/20/2025 09 AM PDT            4.16             35         +      Not Applicable
  06/20/2025 10 AM PDT            4.16             35         0      Not Applicable
  06/20/2025 11 AM PDT            4.15             34         -      Not Applicable
  06/20/2025 12 PM PDT            4.15             34         0      Not Applicable
  06/20/2025 01 PM PDT            4.15             34         0      Not Applicable
  06/20/2025 02 PM PDT            4.15             34         0      Not Applicable
  06/20/2025 03 PM PDT            4.14             34         -      Not Applicable
  06/20/2025 04 PM PDT            4.14             34         0      Not Applicable
  06/20/2025 05 PM PDT            4.11             32         -      Not Applicable
  06/20/2025 06 PM PDT            4.11             32         0      Not Applicable
  06/20/2025 07 PM PDT            4.11             32         0      Not Applicable
  06/20/2025 08 PM PDT            4.10             31         -      Not Applicable
  06/20/2025 09 PM PDT            4.10             31         0      Not Applicable
  06/20/2025 10 PM PDT            4.11             32         +      Not Applicable
  06/20/2025 11 PM PDT            4.11             32         0      Not Applicable
  06/21/2025 12 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 01 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 02 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 03 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 04 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 05 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 06 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 07 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 08 AM PDT            4.11             32         0      Not Applicable
  06/21/2025 09 AM PDT            4.12             32         +      Not Applicable
  06/21/2025 10 AM PDT            4.12             32         0      Not Applicable
  06/21/2025 11 AM PDT            4.12             32         0      Not Applicable
  06/21/2025 12 PM PDT            4.11             32         -      Not Applicable
  06/21/2025 01 PM PDT            4.09             30         -      Not Applicable
  06/21/2025 02 PM PDT            4.09             30         0      Not Applicable
  06/21/2025 03 PM PDT            4.09             30         0      Not Applicable
  06/21/2025 04 PM PDT            4.09             30         0      Not Applicable
  06/21/2025 05 PM PDT            4.08             30         -      Not Applicable
  06/21/2025 06 PM PDT            4.09             30         +      Not Applicable
  06/21/2025 07 PM PDT            4.09             30         0      Not Applicable
  06/21/2025 08 PM PDT            4.08             30         -      Not Applicable
  06/21/2025 09 PM PDT            4.09             30         +      Not Applicable
  06/21/2025 10 PM PDT            4.09             30         0      Not Applicable
  06/21/2025 11 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 12 AM PDT            4.09             30         0      Not Applicable
  06/22/2025 01 AM PDT            4.09             30         0      Not Applicable
  06/22/2025 02 AM PDT            4.09             30         0      Not Applicable
  06/22/2025 03 AM PDT            4.10             31         +      Not Applicable
  06/22/2025 04 AM PDT            4.09             30         -      Not Applicable
  06/22/2025 05 AM PDT            4.10             31         +      Not Applicable
  06/22/2025 06 AM PDT            4.10             31         0      Not Applicable
  06/22/2025 07 AM PDT            4.10             31         0      Not Applicable
  06/22/2025 08 AM PDT            4.10             31         0      Not Applicable
  06/22/2025 09 AM PDT            4.11             32         +      Not Applicable
  06/22/2025 10 AM PDT            4.10             31         -      Not Applicable
  06/22/2025 11 AM PDT            4.10             31         0      Not Applicable
  06/22/2025 12 PM PDT            4.10             31         0      Not Applicable
  06/22/2025 01 PM PDT            4.10             31         0      Not Applicable
  06/22/2025 02 PM PDT            4.09             30         -      Not Applicable
  06/22/2025 03 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 04 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 05 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 06 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 07 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 08 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 09 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 10 PM PDT            4.09             30         0      Not Applicable
  06/22/2025 11 PM PDT            4.09             30         0      Not Applicable
  06/23/2025 12 AM PDT            4.09             30         0      Not Applicable
  06/23/2025 01 AM PDT            4.09             30         0      Not Applicable
  06/23/2025 02 AM PDT            4.09             30         0      Not Applicable
  06/23/2025 03 AM PDT            4.09             30         0      Not Applicable
  06/23/2025 04 AM PDT            4.10             31         +      Not Applicable
  06/23/2025 05 AM PDT            4.10             31         0      Not Applicable
  06/23/2025 06 AM PDT            4.10             31         0      Not Applicable
  06/23/2025 07 AM PDT            4.10             31         0      Not Applicable
  06/23/2025 08 AM PDT            4.10             31         0      Not Applicable
  06/23/2025 09 AM PDT            4.10             31         0      Not Applicable
  06/23/2025 10 AM PDT            4.10             31         0      Not Applicable
  06/23/2025 11 AM PDT            4.10             31         0      Not Applicable
  06/23/2025 12 PM PDT            4.09             30         -      Not Applicable
  06/23/2025 01 PM PDT            4.09             30         0      Not Applicable
  06/23/2025 02 PM PDT            4.09             30         0      Not Applicable
  06/23/2025 03 PM PDT            4.08             30         -      Not Applicable
  06/23/2025 04 PM PDT            4.08             30         0      Not Applicable
  06/23/2025 05 PM PDT            4.08             30         0      Not Applicable
  06/23/2025 06 PM PDT            4.08             30         0      Not Applicable
  06/23/2025 07 PM PDT            4.08             30         0      Not Applicable
  06/23/2025 08 PM PDT            4.08             30         0      Not Applicable
  06/23/2025 09 PM PDT            4.08             30         0      Not Applicable
  06/23/2025 10 PM PDT            4.08             30         0      Not Applicable
  06/23/2025 11 PM PDT            4.08             30         0      Not Applicable
  06/24/2025 12 AM PDT            4.08             30         0      Not Applicable
  06/24/2025 01 AM PDT            4.08             30         0      Not Applicable
  06/24/2025 02 AM PDT            4.08             30         0      Not Applicable
  06/24/2025 03 AM PDT            4.08             30         0      Not Applicable
  06/24/2025 04 AM PDT            4.08             30         0      Not Applicable
  06/24/2025 05 AM PDT            4.08             30         0      Not Applicable
  06/24/2025 06 AM PDT            4.08             30         0      Not Applicable
  06/24/2025 07 AM PDT            4.08             30         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/24/2025 11 AM PDT            4.07             29                Not Applicable
  06/24/2025 12 PM PDT            4.07             29         0      Not Applicable
  06/24/2025 01 PM PDT            4.07             29         0      Not Applicable
  06/24/2025 02 PM PDT            4.07             29         0      Not Applicable
  06/24/2025 03 PM PDT            4.07             29         0      Not Applicable
  06/24/2025 04 PM PDT            4.07             29         0      Not Applicable
  06/24/2025 05 PM PDT            4.07             29         0      Not Applicable
  06/24/2025 06 PM PDT            4.07             29         0      Not Applicable
  06/24/2025 07 PM PDT            4.06             28         -      Not Applicable
  06/24/2025 08 PM PDT            4.06             28         0      Not Applicable
  06/24/2025 09 PM PDT            4.06             28         0      Not Applicable
  06/24/2025 10 PM PDT            4.06             28         0      Not Applicable
  06/24/2025 11 PM PDT            4.06             28         0      Not Applicable
  06/25/2025 12 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 01 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 02 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 03 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 04 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 05 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 06 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 07 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 08 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 09 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 10 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 11 AM PDT            4.06             28         0      Not Applicable
  06/25/2025 12 PM PDT            4.06             28         0      Not Applicable
  06/25/2025 01 PM PDT            4.06             28         0      Not Applicable
  06/25/2025 02 PM PDT            4.06             28         0      Not Applicable
  06/25/2025 03 PM PDT            4.05             28         -      Not Applicable
  06/25/2025 04 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 05 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 06 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 07 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 08 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 09 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 10 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 11 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 12 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 01 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 02 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 03 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 04 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 05 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 06 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 07 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 08 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 09 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 10 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 11 AM PDT            4.05             28         0      Not Applicable
  06/26/2025 12 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 01 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 02 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 03 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 04 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 05 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 06 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 07 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 08 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 09 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 10 PM PDT            4.05             28         0      Not Applicable
  06/26/2025 11 PM PDT            4.05             28         0      Not Applicable
  06/27/2025 12 AM PDT            4.05             28         0      Not Applicable
  06/27/2025 01 AM PDT            4.05             28         0      Not Applicable
  06/27/2025 02 AM PDT            4.05             28         0      Not Applicable
  06/27/2025 03 AM PDT            4.05             28         0      Not Applicable
  06/27/2025 04 AM PDT            4.04             27         -      Not Applicable
  06/27/2025 05 AM PDT            4.04             27         0      Not Applicable
  06/27/2025 06 AM PDT            4.04             27         0      Not Applicable
  06/27/2025 07 AM PDT            4.04             27         0      Not Applicable
  06/27/2025 08 AM PDT            4.04             27         0      Not Applicable
  06/27/2025 09 AM PDT            4.04             27         0      Not Applicable
  06/27/2025 10 AM PDT            4.04             27         0      Not Applicable
  06/27/2025 11 AM PDT            4.04             27         0      Not Applicable
  06/27/2025 12 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 01 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 02 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 03 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 04 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 05 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 06 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 07 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 08 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 09 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 10 PM PDT            4.04             27         0      Not Applicable
  06/27/2025 11 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 12 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 01 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 02 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 03 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 04 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 05 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 06 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 07 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 08 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 09 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 10 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 11 AM PDT            4.04             27         0      Not Applicable
  06/28/2025 12 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 01 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 02 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 03 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 04 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 05 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 06 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 07 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 08 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 09 PM PDT            4.04             27         0      Not Applicable
  06/28/2025 10 PM PDT            4.03             27         -      Not Applicable
  06/28/2025 11 PM PDT            4.03             27         0      Not Applicable
  06/29/2025 12 AM PDT            4.03             27         0      Not Applicable
  06/29/2025 01 AM PDT            4.03             27         0      Not Applicable
  06/29/2025 02 AM PDT            4.03             27         0      Not Applicable
  06/29/2025 03 AM PDT            4.03             27         0      Not Applicable
  06/29/2025 04 AM PDT            4.03             27         0      Not Applicable
  06/29/2025 05 AM PDT            4.03             27         0      Not Applicable
#
# 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.