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 30 2025 at 6:59 AM PDTNext Issuance: Jul 01 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:  06/30/2025 at 07:01 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/29/2025 at 03:00 PM PDT
# Maximum Observed Stage:                       4.22 Feet
# Maximum Observed Flow:                        39 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/30/2025 at 07:00 AM PDT
# Maximum Forecast Stage:                       4.19 Feet
# Maximum Forecast Flow:                        37 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/25/2025 07 AM PDT            4.07             29                Not Applicable
  06/25/2025 08 AM PDT            4.08             30         +      Not Applicable
  06/25/2025 09 AM PDT            4.08             30         0      Not Applicable
  06/25/2025 10 AM PDT            4.08             30         0      Not Applicable
  06/25/2025 11 AM PDT            4.07             29         -      Not Applicable
  06/25/2025 12 PM PDT            4.07             29         0      Not Applicable
  06/25/2025 01 PM PDT            4.07             29         0      Not Applicable
  06/25/2025 02 PM PDT            4.06             28         -      Not Applicable
  06/25/2025 03 PM PDT            4.06             28         0      Not Applicable
  06/25/2025 04 PM PDT            4.06             28         0      Not Applicable
  06/25/2025 05 PM PDT            4.06             28         0      Not Applicable
  06/25/2025 06 PM PDT            4.05             28         -      Not Applicable
  06/25/2025 07 PM PDT            4.06             28         +      Not Applicable
  06/25/2025 08 PM PDT            4.05             28         -      Not Applicable
  06/25/2025 09 PM PDT            4.05             28         0      Not Applicable
  06/25/2025 10 PM PDT            4.06             28         +      Not Applicable
  06/25/2025 11 PM PDT            4.06             28         0      Not Applicable
  06/26/2025 12 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 01 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 02 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 03 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 04 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 05 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 06 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 07 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 08 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 09 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 10 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 11 AM PDT            4.06             28         0      Not Applicable
  06/26/2025 12 PM PDT            4.05             28         -      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            4.03             27         -      Not Applicable
  06/26/2025 04 PM PDT            4.03             27         0      Not Applicable
  06/26/2025 05 PM PDT            4.02             26         -      Not Applicable
  06/26/2025 06 PM PDT            4.02             26         0      Not Applicable
  06/26/2025 07 PM PDT            4.02             26         0      Not Applicable
  06/26/2025 08 PM PDT            4.02             26         0      Not Applicable
  06/26/2025 09 PM PDT            4.02             26         0      Not Applicable
  06/26/2025 10 PM PDT            4.02             26         0      Not Applicable
  06/26/2025 11 PM PDT            4.02             26         0      Not Applicable
  06/27/2025 12 AM PDT            4.03             27         +      Not Applicable
  06/27/2025 01 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 02 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 03 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 04 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 05 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 06 AM PDT            4.02             26         -      Not Applicable
  06/27/2025 07 AM PDT            4.02             26         0      Not Applicable
  06/27/2025 08 AM PDT            4.03             27         +      Not Applicable
  06/27/2025 09 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 10 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 11 AM PDT            4.03             27         0      Not Applicable
  06/27/2025 12 PM PDT            4.02             26         -      Not Applicable
  06/27/2025 01 PM PDT            4.02             26         0      Not Applicable
  06/27/2025 02 PM PDT            4.01             26         -      Not Applicable
  06/27/2025 03 PM PDT            4.01             26         0      Not Applicable
  06/27/2025 04 PM PDT            4.01             26         0      Not Applicable
  06/27/2025 05 PM PDT            4.04             27         +      Not Applicable
  06/27/2025 06 PM PDT            3.97             23         -      Not Applicable
  06/27/2025 07 PM PDT            3.96             23         -      Not Applicable
  06/27/2025 08 PM PDT            3.96             23         0      Not Applicable
  06/27/2025 09 PM PDT            3.96             23         0      Not Applicable
  06/27/2025 10 PM PDT            3.97             23         +      Not Applicable
  06/27/2025 11 PM PDT            3.97             23         0      Not Applicable
  06/28/2025 12 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 01 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 02 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 03 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 04 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 05 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 06 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 07 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 08 AM PDT            3.97             23         0      Not Applicable
  06/28/2025 09 AM PDT            3.98             24         +      Not Applicable
  06/28/2025 10 AM PDT            3.98             24         0      Not Applicable
  06/28/2025 11 AM PDT            3.97             23         -      Not Applicable
  06/28/2025 12 PM PDT            3.97             23         0      Not Applicable
  06/28/2025 01 PM PDT            4.07             29         +      Not Applicable
  06/28/2025 02 PM PDT            4.08             30         +      Not Applicable
  06/28/2025 03 PM PDT            4.13             33         +      Not Applicable
  06/28/2025 04 PM PDT            4.13             33         0      Not Applicable
  06/28/2025 05 PM PDT            4.21             39         +      Not Applicable
  06/28/2025 06 PM PDT            4.17             36         -      Not Applicable
  06/28/2025 07 PM PDT            4.17             36         0      Not Applicable
  06/28/2025 08 PM PDT            4.17             36         0      Not Applicable
  06/28/2025 09 PM PDT            4.17             36         0      Not Applicable
  06/28/2025 10 PM PDT            4.17             36         0      Not Applicable
  06/28/2025 11 PM PDT            4.17             36         0      Not Applicable
  06/29/2025 12 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 01 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 02 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 03 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 04 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 05 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 06 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 07 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 08 AM PDT            4.17             36         0      Not Applicable
  06/29/2025 09 AM PDT            4.18             36         +      Not Applicable
  06/29/2025 10 AM PDT            4.18             36         0      Not Applicable
  06/29/2025 11 AM PDT            4.16             35         -      Not Applicable
  06/29/2025 12 PM PDT            4.16             35         0      Not Applicable
  06/29/2025 01 PM PDT            4.10             31         -      Not Applicable
  06/29/2025 02 PM PDT            4.11             32         +      Not Applicable
  06/29/2025 03 PM PDT            4.22             39         +      Not Applicable
  06/29/2025 04 PM PDT            4.19             37         -      Not Applicable
  06/29/2025 05 PM PDT            4.19             37         0      Not Applicable
  06/29/2025 06 PM PDT            4.18             36         -      Not Applicable
  06/29/2025 07 PM PDT            4.19             37         +      Not Applicable
  06/29/2025 08 PM PDT            4.19             37         0      Not Applicable
  06/29/2025 09 PM PDT            4.19             37         0      Not Applicable
  06/29/2025 10 PM PDT            4.19             37         0      Not Applicable
  06/29/2025 11 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 12 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 01 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 02 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 03 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 04 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 05 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 06 AM PDT            4.19             37         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/30/2025 07 AM PDT            4.19             37                Not Applicable
  06/30/2025 08 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 09 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 10 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 11 AM PDT            4.19             37         0      Not Applicable
  06/30/2025 12 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 01 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 02 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 03 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 04 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 05 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 06 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 07 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 08 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 09 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 10 PM PDT            4.19             37         0      Not Applicable
  06/30/2025 11 PM PDT            4.18             36         -      Not Applicable
  07/01/2025 12 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 01 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 02 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 03 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 04 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 05 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 06 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 07 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 08 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 09 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 10 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 11 AM PDT            4.18             36         0      Not Applicable
  07/01/2025 12 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 01 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 02 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 03 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 04 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 05 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 06 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 07 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 08 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 09 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 10 PM PDT            4.18             36         0      Not Applicable
  07/01/2025 11 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 12 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 01 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 02 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 03 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 04 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 05 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 06 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 07 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 08 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 09 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 10 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 11 AM PDT            4.18             36         0      Not Applicable
  07/02/2025 12 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 01 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 02 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 03 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 04 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 05 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 06 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 07 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 08 PM PDT            4.18             36         0      Not Applicable
  07/02/2025 09 PM PDT            4.17             36         -      Not Applicable
  07/02/2025 10 PM PDT            4.17             36         0      Not Applicable
  07/02/2025 11 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 12 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 01 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 02 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 03 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 04 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 05 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 06 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 07 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 08 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 09 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 10 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 11 AM PDT            4.17             36         0      Not Applicable
  07/03/2025 12 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 01 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 02 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 03 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 04 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 05 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 06 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 07 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 08 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 09 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 10 PM PDT            4.17             36         0      Not Applicable
  07/03/2025 11 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 12 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 01 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 02 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 03 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 04 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 05 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 06 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 07 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 08 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 09 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 10 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 11 AM PDT            4.17             36         0      Not Applicable
  07/04/2025 12 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 01 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 02 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 03 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 04 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 05 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 06 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 07 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 08 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 09 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 10 PM PDT            4.17             36         0      Not Applicable
  07/04/2025 11 PM PDT            4.17             36         0      Not Applicable
  07/05/2025 12 AM PDT            4.16             35         -      Not Applicable
  07/05/2025 01 AM PDT            4.16             35         0      Not Applicable
  07/05/2025 02 AM PDT            4.16             35         0      Not Applicable
  07/05/2025 03 AM PDT            4.16             35         0      Not Applicable
  07/05/2025 04 AM PDT            4.16             35         0      Not Applicable
  07/05/2025 05 AM PDT            4.16             35         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.