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MIDDLE FORK COSUMNES RIVER - SOMERSET (SOSC1)
Latitude: 38.62º N | Longitude: 120.70º W | Elevation: 1821 Feet | | | |
Location: El Dorado County in California | Bulletin Group: San Joaquin | River Group: North San Joaquin |
Issuance Time: | May 18 2025 at 8:21 AM PDT | Next Issuance: | May 19 2025 at 9:00 AM PDT
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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: 05/18/2025 at 08:22 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/13/2025 at 09:00 AM PDT
# Maximum Observed Stage: 5.00 Feet
# Maximum Observed Flow: 121 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/18/2025 at 09:00 AM PDT
# Maximum Forecast Stage: 4.75 Feet
# Maximum Forecast Flow: 89 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/13/2025 08 AM PDT 5.00 121 Not Applicable
05/13/2025 09 AM PDT 5.00 121 0 Not Applicable
05/13/2025 10 AM PDT 4.99 120 - Not Applicable
05/13/2025 11 AM PDT 4.99 120 0 Not Applicable
05/13/2025 12 PM PDT 4.99 120 0 Not Applicable
05/13/2025 01 PM PDT 4.98 118 - Not Applicable
05/13/2025 02 PM PDT 4.98 118 0 Not Applicable
05/13/2025 03 PM PDT 4.98 118 0 Not Applicable
05/13/2025 04 PM PDT 4.97 117 - Not Applicable
05/13/2025 05 PM PDT 4.96 115 - Not Applicable
05/13/2025 06 PM PDT 4.96 115 0 Not Applicable
05/13/2025 07 PM PDT 4.95 114 - Not Applicable
05/13/2025 08 PM PDT 4.95 114 0 Not Applicable
05/13/2025 09 PM PDT 4.95 114 0 Not Applicable
05/13/2025 10 PM PDT 4.95 114 0 Not Applicable
05/13/2025 11 PM PDT 4.94 112 - Not Applicable
05/14/2025 12 AM PDT 4.94 112 0 Not Applicable
05/14/2025 01 AM PDT 4.95 114 + Not Applicable
05/14/2025 02 AM PDT 4.95 114 0 Not Applicable
05/14/2025 03 AM PDT 4.95 114 0 Not Applicable
05/14/2025 04 AM PDT 4.94 112 - Not Applicable
05/14/2025 05 AM PDT 4.95 114 + Not Applicable
05/14/2025 06 AM PDT 4.95 114 0 Not Applicable
05/14/2025 07 AM PDT 4.95 114 0 Not Applicable
05/14/2025 08 AM PDT 4.95 114 0 Not Applicable
05/14/2025 09 AM PDT 4.94 112 - Not Applicable
05/14/2025 10 AM PDT 4.94 112 0 Not Applicable
05/14/2025 11 AM PDT 4.93 111 - Not Applicable
05/14/2025 12 PM PDT 4.92 110 - Not Applicable
05/14/2025 01 PM PDT 4.92 110 0 Not Applicable
05/14/2025 02 PM PDT 4.91 108 - Not Applicable
05/14/2025 03 PM PDT 4.90 107 - Not Applicable
05/14/2025 04 PM PDT 4.90 107 0 Not Applicable
05/14/2025 05 PM PDT 4.89 106 - Not Applicable
05/14/2025 06 PM PDT 4.88 105 - Not Applicable
05/14/2025 07 PM PDT 4.89 106 + Not Applicable
05/14/2025 08 PM PDT 4.88 105 - Not Applicable
05/14/2025 09 PM PDT 4.87 103 - Not Applicable
05/14/2025 10 PM PDT 4.87 103 0 Not Applicable
05/14/2025 11 PM PDT 4.86 102 - Not Applicable
05/15/2025 12 AM PDT 4.86 102 0 Not Applicable
05/15/2025 01 AM PDT 4.86 102 0 Not Applicable
05/15/2025 02 AM PDT 4.85 101 - Not Applicable
05/15/2025 03 AM PDT 4.86 102 + Not Applicable
05/15/2025 04 AM PDT 4.85 101 - Not Applicable
05/15/2025 05 AM PDT 4.86 102 + Not Applicable
05/15/2025 06 AM PDT 4.85 101 - Not Applicable
05/15/2025 07 AM PDT 4.86 102 + Not Applicable
05/15/2025 08 AM PDT 4.86 102 0 Not Applicable
05/15/2025 09 AM PDT 4.86 102 0 Not Applicable
05/15/2025 10 AM PDT 4.85 101 - Not Applicable
05/15/2025 11 AM PDT 4.86 102 + Not Applicable
05/15/2025 12 PM PDT 4.85 101 - Not Applicable
05/15/2025 01 PM PDT 4.85 101 0 Not Applicable
05/15/2025 02 PM PDT 4.84 100 - Not Applicable
05/15/2025 03 PM PDT 4.85 101 + Not Applicable
05/15/2025 04 PM PDT 4.84 100 - Not Applicable
05/15/2025 05 PM PDT 4.84 100 0 Not Applicable
05/15/2025 06 PM PDT 4.83 98 - Not Applicable
05/15/2025 07 PM PDT 4.82 97 - Not Applicable
05/15/2025 08 PM PDT 4.83 98 + Not Applicable
05/15/2025 09 PM PDT 4.82 97 - Not Applicable
05/15/2025 10 PM PDT 4.82 97 0 Not Applicable
05/15/2025 11 PM PDT 4.81 96 - Not Applicable
05/16/2025 12 AM PDT 4.80 95 - Not Applicable
05/16/2025 01 AM PDT 4.80 95 0 Not Applicable
05/16/2025 02 AM PDT 4.79 94 - Not Applicable
05/16/2025 03 AM PDT 4.79 94 0 Not Applicable
05/16/2025 04 AM PDT 4.79 94 0 Not Applicable
05/16/2025 05 AM PDT 4.79 94 0 Not Applicable
05/16/2025 06 AM PDT 4.81 96 + Not Applicable
05/16/2025 07 AM PDT 4.81 96 0 Not Applicable
05/16/2025 08 AM PDT 4.82 97 + Not Applicable
05/16/2025 09 AM PDT 4.82 97 0 Not Applicable
05/16/2025 10 AM PDT 4.82 97 0 Not Applicable
05/16/2025 11 AM PDT 4.82 97 0 Not Applicable
05/16/2025 12 PM PDT 4.82 97 0 Not Applicable
05/16/2025 01 PM PDT 4.81 96 - Not Applicable
05/16/2025 02 PM PDT 4.81 96 0 Not Applicable
05/16/2025 03 PM PDT 4.80 95 - Not Applicable
05/16/2025 04 PM PDT 4.80 95 0 Not Applicable
05/16/2025 05 PM PDT 4.80 95 0 Not Applicable
05/16/2025 06 PM PDT 4.80 95 0 Not Applicable
05/16/2025 07 PM PDT 4.79 94 - Not Applicable
05/16/2025 08 PM PDT 4.79 94 0 Not Applicable
05/16/2025 09 PM PDT 4.78 92 - Not Applicable
05/16/2025 10 PM PDT 4.78 92 0 Not Applicable
05/16/2025 11 PM PDT 4.78 92 0 Not Applicable
05/17/2025 12 AM PDT 4.77 91 - Not Applicable
05/17/2025 01 AM PDT 4.77 91 0 Not Applicable
05/17/2025 02 AM PDT 4.76 90 - Not Applicable
05/17/2025 03 AM PDT 4.76 90 0 Not Applicable
05/17/2025 04 AM PDT 4.76 90 0 Not Applicable
05/17/2025 05 AM PDT 4.76 90 0 Not Applicable
05/17/2025 06 AM PDT 4.77 91 + Not Applicable
05/17/2025 07 AM PDT 4.77 91 0 Not Applicable
05/17/2025 08 AM PDT 4.79 94 + Not Applicable
05/17/2025 09 AM PDT 4.79 94 0 Not Applicable
05/17/2025 10 AM PDT 4.80 95 + Not Applicable
05/17/2025 11 AM PDT 4.80 95 0 Not Applicable
05/17/2025 12 PM PDT 4.79 94 - Not Applicable
05/17/2025 01 PM PDT 4.78 92 - Not Applicable
05/17/2025 02 PM PDT 4.79 94 + Not Applicable
05/17/2025 03 PM PDT 4.79 94 0 Not Applicable
05/17/2025 04 PM PDT 4.78 92 - Not Applicable
05/17/2025 05 PM PDT 4.77 91 - Not Applicable
05/17/2025 06 PM PDT 4.78 92 + Not Applicable
05/17/2025 07 PM PDT 4.77 91 - Not Applicable
05/17/2025 08 PM PDT 4.77 91 0 Not Applicable
05/17/2025 09 PM PDT 4.76 90 - Not Applicable
05/17/2025 10 PM PDT 4.76 90 0 Not Applicable
05/17/2025 11 PM PDT 4.76 90 0 Not Applicable
05/18/2025 12 AM PDT 4.76 90 0 Not Applicable
05/18/2025 01 AM PDT 4.76 90 0 Not Applicable
05/18/2025 02 AM PDT 4.75 89 - Not Applicable
05/18/2025 03 AM PDT 4.75 89 0 Not Applicable
05/18/2025 04 AM PDT 4.75 89 0 Not Applicable
05/18/2025 05 AM PDT 4.75 89 0 Not Applicable
05/18/2025 06 AM PDT 4.75 89 0 Not Applicable
05/18/2025 07 AM PDT 4.75 89 0 Not Applicable
05/18/2025 08 AM PDT 4.75 89 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/18/2025 09 AM PDT 4.75 89 Not Applicable
05/18/2025 10 AM PDT 4.74 88 - Not Applicable
05/18/2025 11 AM PDT 4.74 88 0 Not Applicable
05/18/2025 12 PM PDT 4.74 88 0 Not Applicable
05/18/2025 01 PM PDT 4.74 88 0 Not Applicable
05/18/2025 02 PM PDT 4.74 88 0 Not Applicable
05/18/2025 03 PM PDT 4.74 88 0 Not Applicable
05/18/2025 04 PM PDT 4.74 88 0 Not Applicable
05/18/2025 05 PM PDT 4.73 86 - Not Applicable
05/18/2025 06 PM PDT 4.73 86 0 Not Applicable
05/18/2025 07 PM PDT 4.73 86 0 Not Applicable
05/18/2025 08 PM PDT 4.73 86 0 Not Applicable
05/18/2025 09 PM PDT 4.73 86 0 Not Applicable
05/18/2025 10 PM PDT 4.73 86 0 Not Applicable
05/18/2025 11 PM PDT 4.73 86 0 Not Applicable
05/19/2025 12 AM PDT 4.73 86 0 Not Applicable
05/19/2025 01 AM PDT 4.73 86 0 Not Applicable
05/19/2025 02 AM PDT 4.73 86 0 Not Applicable
05/19/2025 03 AM PDT 4.73 86 0 Not Applicable
05/19/2025 04 AM PDT 4.73 86 0 Not Applicable
05/19/2025 05 AM PDT 4.73 86 0 Not Applicable
05/19/2025 06 AM PDT 4.72 85 - Not Applicable
05/19/2025 07 AM PDT 4.72 85 0 Not Applicable
05/19/2025 08 AM PDT 4.72 85 0 Not Applicable
05/19/2025 09 AM PDT 4.72 85 0 Not Applicable
05/19/2025 10 AM PDT 4.72 85 0 Not Applicable
05/19/2025 11 AM PDT 4.72 85 0 Not Applicable
05/19/2025 12 PM PDT 4.72 85 0 Not Applicable
05/19/2025 01 PM PDT 4.72 85 0 Not Applicable
05/19/2025 02 PM PDT 4.71 84 - Not Applicable
05/19/2025 03 PM PDT 4.71 84 0 Not Applicable
05/19/2025 04 PM PDT 4.71 84 0 Not Applicable
05/19/2025 05 PM PDT 4.71 84 0 Not Applicable
05/19/2025 06 PM PDT 4.71 84 0 Not Applicable
05/19/2025 07 PM PDT 4.71 84 0 Not Applicable
05/19/2025 08 PM PDT 4.71 84 0 Not Applicable
05/19/2025 09 PM PDT 4.71 84 0 Not Applicable
05/19/2025 10 PM PDT 4.71 84 0 Not Applicable
05/19/2025 11 PM PDT 4.71 84 0 Not Applicable
05/20/2025 12 AM PDT 4.71 84 0 Not Applicable
05/20/2025 01 AM PDT 4.71 84 0 Not Applicable
05/20/2025 02 AM PDT 4.71 84 0 Not Applicable
05/20/2025 03 AM PDT 4.71 84 0 Not Applicable
05/20/2025 04 AM PDT 4.71 84 0 Not Applicable
05/20/2025 05 AM PDT 4.71 84 0 Not Applicable
05/20/2025 06 AM PDT 4.71 84 0 Not Applicable
05/20/2025 07 AM PDT 4.70 83 - Not Applicable
05/20/2025 08 AM PDT 4.70 83 0 Not Applicable
05/20/2025 09 AM PDT 4.70 83 0 Not Applicable
05/20/2025 10 AM PDT 4.70 83 0 Not Applicable
05/20/2025 11 AM PDT 4.70 83 0 Not Applicable
05/20/2025 12 PM PDT 4.70 83 0 Not Applicable
05/20/2025 01 PM PDT 4.70 83 0 Not Applicable
05/20/2025 02 PM PDT 4.70 83 0 Not Applicable
05/20/2025 03 PM PDT 4.69 82 - Not Applicable
05/20/2025 04 PM PDT 4.69 82 0 Not Applicable
05/20/2025 05 PM PDT 4.69 82 0 Not Applicable
05/20/2025 06 PM PDT 4.69 82 0 Not Applicable
05/20/2025 07 PM PDT 4.69 82 0 Not Applicable
05/20/2025 08 PM PDT 4.69 82 0 Not Applicable
05/20/2025 09 PM PDT 4.69 82 0 Not Applicable
05/20/2025 10 PM PDT 4.69 82 0 Not Applicable
05/20/2025 11 PM PDT 4.69 82 0 Not Applicable
05/21/2025 12 AM PDT 4.69 82 0 Not Applicable
05/21/2025 01 AM PDT 4.69 82 0 Not Applicable
05/21/2025 02 AM PDT 4.69 82 0 Not Applicable
05/21/2025 03 AM PDT 4.69 82 0 Not Applicable
05/21/2025 04 AM PDT 4.69 82 0 Not Applicable
05/21/2025 05 AM PDT 4.69 82 0 Not Applicable
05/21/2025 06 AM PDT 4.69 82 0 Not Applicable
05/21/2025 07 AM PDT 4.68 81 - Not Applicable
05/21/2025 08 AM PDT 4.68 81 0 Not Applicable
05/21/2025 09 AM PDT 4.68 81 0 Not Applicable
05/21/2025 10 AM PDT 4.68 81 0 Not Applicable
05/21/2025 11 AM PDT 4.68 81 0 Not Applicable
05/21/2025 12 PM PDT 4.68 81 0 Not Applicable
05/21/2025 01 PM PDT 4.68 81 0 Not Applicable
05/21/2025 02 PM PDT 4.68 81 0 Not Applicable
05/21/2025 03 PM PDT 4.68 81 0 Not Applicable
05/21/2025 04 PM PDT 4.68 81 0 Not Applicable
05/21/2025 05 PM PDT 4.68 81 0 Not Applicable
05/21/2025 06 PM PDT 4.67 80 - Not Applicable
05/21/2025 07 PM PDT 4.67 80 0 Not Applicable
05/21/2025 08 PM PDT 4.67 80 0 Not Applicable
05/21/2025 09 PM PDT 4.67 80 0 Not Applicable
05/21/2025 10 PM PDT 4.67 80 0 Not Applicable
05/21/2025 11 PM PDT 4.67 80 0 Not Applicable
05/22/2025 12 AM PDT 4.67 80 0 Not Applicable
05/22/2025 01 AM PDT 4.67 80 0 Not Applicable
05/22/2025 02 AM PDT 4.67 80 0 Not Applicable
05/22/2025 03 AM PDT 4.67 80 0 Not Applicable
05/22/2025 04 AM PDT 4.66 78 - Not Applicable
05/22/2025 05 AM PDT 4.66 78 0 Not Applicable
05/22/2025 06 AM PDT 4.66 78 0 Not Applicable
05/22/2025 07 AM PDT 4.66 78 0 Not Applicable
05/22/2025 08 AM PDT 4.66 78 0 Not Applicable
05/22/2025 09 AM PDT 4.66 78 0 Not Applicable
05/22/2025 10 AM PDT 4.66 78 0 Not Applicable
05/22/2025 11 AM PDT 4.65 77 - Not Applicable
05/22/2025 12 PM PDT 4.65 77 0 Not Applicable
05/22/2025 01 PM PDT 4.65 77 0 Not Applicable
05/22/2025 02 PM PDT 4.65 77 0 Not Applicable
05/22/2025 03 PM PDT 4.65 77 0 Not Applicable
05/22/2025 04 PM PDT 4.65 77 0 Not Applicable
05/22/2025 05 PM PDT 4.65 77 0 Not Applicable
05/22/2025 06 PM PDT 4.65 77 0 Not Applicable
05/22/2025 07 PM PDT 4.65 77 0 Not Applicable
05/22/2025 08 PM PDT 4.65 77 0 Not Applicable
05/22/2025 09 PM PDT 4.65 77 0 Not Applicable
05/22/2025 10 PM PDT 4.64 76 - Not Applicable
05/22/2025 11 PM PDT 4.64 76 0 Not Applicable
05/23/2025 12 AM PDT 4.64 76 0 Not Applicable
05/23/2025 01 AM PDT 4.64 76 0 Not Applicable
05/23/2025 02 AM PDT 4.64 76 0 Not Applicable
05/23/2025 03 AM PDT 4.64 76 0 Not Applicable
05/23/2025 04 AM PDT 4.64 76 0 Not Applicable
05/23/2025 05 AM PDT 4.64 76 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.
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