National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 | 

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: May 18 2024 at 8:22 AM PDTNext Issuance: May 19 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Middle Fork Cosumnes River - Somerset (SOSC1)
#
# File Generation Time:  05/18/2024 at 08:23 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/16/2024 at 03:00 AM PDT
# Maximum Observed Stage:                       6.05 Feet
# Maximum Observed Flow:                        386 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/18/2024 at 09:00 AM PDT
# Maximum Forecast Stage:                       5.85 Feet
# Maximum Forecast Flow:                        340 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/13/2024 08 AM PDT            5.93            358                Not Applicable
  05/13/2024 09 AM PDT            5.90            351         -      Not Applicable
  05/13/2024 10 AM PDT            5.90            351         0      Not Applicable
  05/13/2024 11 AM PDT            5.88            346         -      Not Applicable
  05/13/2024 12 PM PDT            5.87            344         -      Not Applicable
  05/13/2024 01 PM PDT            5.85            340         -      Not Applicable
  05/13/2024 02 PM PDT            5.85            340         0      Not Applicable
  05/13/2024 03 PM PDT            5.84            337         -      Not Applicable
  05/13/2024 04 PM PDT            5.83            335         -      Not Applicable
  05/13/2024 05 PM PDT            5.81            331         -      Not Applicable
  05/13/2024 06 PM PDT            5.80            329         -      Not Applicable
  05/13/2024 07 PM PDT            5.78            324         -      Not Applicable
  05/13/2024 08 PM PDT            5.77            322         -      Not Applicable
  05/13/2024 09 PM PDT            5.77            322         0      Not Applicable
  05/13/2024 10 PM PDT            5.78            324         +      Not Applicable
  05/13/2024 11 PM PDT            5.86            342         +      Not Applicable
  05/14/2024 12 AM PDT            5.93            358         +      Not Applicable
  05/14/2024 01 AM PDT            5.99            372         +      Not Applicable
  05/14/2024 02 AM PDT            6.04            383         +      Not Applicable
  05/14/2024 03 AM PDT            6.04            383         0      Not Applicable
  05/14/2024 04 AM PDT            6.02            379         -      Not Applicable
  05/14/2024 05 AM PDT            6.00            374         -      Not Applicable
  05/14/2024 06 AM PDT            5.99            372         -      Not Applicable
  05/14/2024 07 AM PDT            5.98            369         -      Not Applicable
  05/14/2024 08 AM PDT            5.96            365         -      Not Applicable
  05/14/2024 09 AM PDT            5.96            365         0      Not Applicable
  05/14/2024 10 AM PDT            5.95            362         -      Not Applicable
  05/14/2024 11 AM PDT            5.93            358         -      Not Applicable
  05/14/2024 12 PM PDT            5.92            355         -      Not Applicable
  05/14/2024 01 PM PDT            5.92            355         0      Not Applicable
  05/14/2024 02 PM PDT            5.91            353         -      Not Applicable
  05/14/2024 03 PM PDT            5.87            344         -      Not Applicable
  05/14/2024 04 PM PDT            5.88            346         +      Not Applicable
  05/14/2024 05 PM PDT            5.86            342         -      Not Applicable
  05/14/2024 06 PM PDT            5.84            337         -      Not Applicable
  05/14/2024 07 PM PDT            5.82            333         -      Not Applicable
  05/14/2024 08 PM PDT            5.81            331         -      Not Applicable
  05/14/2024 09 PM PDT            5.81            331         0      Not Applicable
  05/14/2024 10 PM PDT            5.84            337         +      Not Applicable
  05/14/2024 11 PM PDT            5.88            346         +      Not Applicable
  05/15/2024 12 AM PDT            5.91            353         +      Not Applicable
  05/15/2024 01 AM PDT            5.97            367         +      Not Applicable
  05/15/2024 02 AM PDT            6.01            376         +      Not Applicable
  05/15/2024 03 AM PDT            6.02            379         +      Not Applicable
  05/15/2024 04 AM PDT            6.02            379         0      Not Applicable
  05/15/2024 05 AM PDT            6.01            376         -      Not Applicable
  05/15/2024 06 AM PDT            5.98            369         -      Not Applicable
  05/15/2024 07 AM PDT            5.98            369         0      Not Applicable
  05/15/2024 08 AM PDT            5.96            365         -      Not Applicable
  05/15/2024 09 AM PDT            5.94            360         -      Not Applicable
  05/15/2024 10 AM PDT            5.94            360         0      Not Applicable
  05/15/2024 11 AM PDT            5.93            358         -      Not Applicable
  05/15/2024 12 PM PDT            5.91            353         -      Not Applicable
  05/15/2024 01 PM PDT            5.91            353         0      Not Applicable
  05/15/2024 02 PM PDT            5.89            349         -      Not Applicable
  05/15/2024 03 PM PDT            5.88            346         -      Not Applicable
  05/15/2024 04 PM PDT            5.86            342         -      Not Applicable
  05/15/2024 05 PM PDT            5.85            340         -      Not Applicable
  05/15/2024 06 PM PDT            5.83            335         -      Not Applicable
  05/15/2024 07 PM PDT            5.80            329         -      Not Applicable
  05/15/2024 08 PM PDT            5.80            329         0      Not Applicable
  05/15/2024 09 PM PDT            5.80            329         0      Not Applicable
  05/15/2024 10 PM PDT            5.84            337         +      Not Applicable
  05/15/2024 11 PM PDT            5.90            351         +      Not Applicable
  05/16/2024 12 AM PDT            5.97            367         +      Not Applicable
  05/16/2024 01 AM PDT            6.01            376         +      Not Applicable
  05/16/2024 02 AM PDT            6.04            383         +      Not Applicable
  05/16/2024 03 AM PDT            6.05            386         +      Not Applicable
  05/16/2024 04 AM PDT            6.04            383         -      Not Applicable
  05/16/2024 05 AM PDT            6.00            374         -      Not Applicable
  05/16/2024 06 AM PDT            5.99            372         -      Not Applicable
  05/16/2024 07 AM PDT            5.98            369         -      Not Applicable
  05/16/2024 08 AM PDT            5.97            367         -      Not Applicable
  05/16/2024 09 AM PDT            5.96            365         -      Not Applicable
  05/16/2024 10 AM PDT            5.94            360         -      Not Applicable
  05/16/2024 11 AM PDT            5.92            355         -      Not Applicable
  05/16/2024 12 PM PDT            5.92            355         0      Not Applicable
  05/16/2024 01 PM PDT            5.90            351         -      Not Applicable
  05/16/2024 02 PM PDT            5.88            346         -      Not Applicable
  05/16/2024 03 PM PDT            5.87            344         -      Not Applicable
  05/16/2024 04 PM PDT            5.86            342         -      Not Applicable
  05/16/2024 05 PM PDT            5.84            337         -      Not Applicable
  05/16/2024 06 PM PDT            5.82            333         -      Not Applicable
  05/16/2024 07 PM PDT            5.80            329         -      Not Applicable
  05/16/2024 08 PM PDT            5.78            324         -      Not Applicable
  05/16/2024 09 PM PDT            5.78            324         0      Not Applicable
  05/16/2024 10 PM PDT            5.82            333         +      Not Applicable
  05/16/2024 11 PM PDT            5.87            344         +      Not Applicable
  05/17/2024 12 AM PDT            5.92            355         +      Not Applicable
  05/17/2024 01 AM PDT            5.97            367         +      Not Applicable
  05/17/2024 02 AM PDT            6.00            374         +      Not Applicable
  05/17/2024 03 AM PDT            6.00            374         0      Not Applicable
  05/17/2024 04 AM PDT            5.99            372         -      Not Applicable
  05/17/2024 05 AM PDT            5.97            367         -      Not Applicable
  05/17/2024 06 AM PDT            5.96            365         -      Not Applicable
  05/17/2024 07 AM PDT            5.94            360         -      Not Applicable
  05/17/2024 08 AM PDT            5.93            358         -      Not Applicable
  05/17/2024 09 AM PDT            5.92            355         -      Not Applicable
  05/17/2024 10 AM PDT            5.90            351         -      Not Applicable
  05/17/2024 11 AM PDT            5.88            346         -      Not Applicable
  05/17/2024 12 PM PDT            5.86            342         -      Not Applicable
  05/17/2024 01 PM PDT            5.85            340         -      Not Applicable
  05/17/2024 02 PM PDT            5.83            335         -      Not Applicable
  05/17/2024 03 PM PDT            5.83            335         0      Not Applicable
  05/17/2024 04 PM PDT            5.80            329         -      Not Applicable
  05/17/2024 05 PM PDT            5.81            331         +      Not Applicable
  05/17/2024 06 PM PDT            5.77            322         -      Not Applicable
  05/17/2024 07 PM PDT            5.76            320         -      Not Applicable
  05/17/2024 08 PM PDT            5.73            314         -      Not Applicable
  05/17/2024 09 PM PDT            5.75            318         +      Not Applicable
  05/17/2024 10 PM PDT            5.75            318         0      Not Applicable
  05/17/2024 11 PM PDT            5.80            329         +      Not Applicable
  05/18/2024 12 AM PDT            5.87            344         +      Not Applicable
  05/18/2024 01 AM PDT            5.91            353         +      Not Applicable
  05/18/2024 02 AM PDT            5.92            355         +      Not Applicable
  05/18/2024 03 AM PDT            5.94            360         +      Not Applicable
  05/18/2024 04 AM PDT            5.92            355         -      Not Applicable
  05/18/2024 05 AM PDT            5.91            353         -      Not Applicable
  05/18/2024 06 AM PDT            5.87            344         -      Not Applicable
  05/18/2024 07 AM PDT            5.86            342         -      Not Applicable
  05/18/2024 08 AM PDT            5.86            342         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/18/2024 09 AM PDT            5.85            340                Not Applicable
  05/18/2024 10 AM PDT            5.85            340         0      Not Applicable
  05/18/2024 11 AM PDT            5.84            337         -      Not Applicable
  05/18/2024 12 PM PDT            5.83            335         -      Not Applicable
  05/18/2024 01 PM PDT            5.83            335         0      Not Applicable
  05/18/2024 02 PM PDT            5.82            333         -      Not Applicable
  05/18/2024 03 PM PDT            5.82            333         0      Not Applicable
  05/18/2024 04 PM PDT            5.81            331         -      Not Applicable
  05/18/2024 05 PM PDT            5.81            331         0      Not Applicable
  05/18/2024 06 PM PDT            5.80            329         -      Not Applicable
  05/18/2024 07 PM PDT            5.80            329         0      Not Applicable
  05/18/2024 08 PM PDT            5.79            326         -      Not Applicable
  05/18/2024 09 PM PDT            5.79            326         0      Not Applicable
  05/18/2024 10 PM PDT            5.79            326         0      Not Applicable
  05/18/2024 11 PM PDT            5.79            326         0      Not Applicable
  05/19/2024 12 AM PDT            5.78            324         -      Not Applicable
  05/19/2024 01 AM PDT            5.78            324         0      Not Applicable
  05/19/2024 02 AM PDT            5.78            324         0      Not Applicable
  05/19/2024 03 AM PDT            5.78            324         0      Not Applicable
  05/19/2024 04 AM PDT            5.77            322         -      Not Applicable
  05/19/2024 05 AM PDT            5.77            322         0      Not Applicable
  05/19/2024 06 AM PDT            5.77            322         0      Not Applicable
  05/19/2024 07 AM PDT            5.76            320         -      Not Applicable
  05/19/2024 08 AM PDT            5.76            320         0      Not Applicable
  05/19/2024 09 AM PDT            5.75            318         -      Not Applicable
  05/19/2024 10 AM PDT            5.75            318         0      Not Applicable
  05/19/2024 11 AM PDT            5.74            316         -      Not Applicable
  05/19/2024 12 PM PDT            5.73            314         -      Not Applicable
  05/19/2024 01 PM PDT            5.73            314         0      Not Applicable
  05/19/2024 02 PM PDT            5.72            311         -      Not Applicable
  05/19/2024 03 PM PDT            5.71            309         -      Not Applicable
  05/19/2024 04 PM PDT            5.71            309         0      Not Applicable
  05/19/2024 05 PM PDT            5.70            307         -      Not Applicable
  05/19/2024 06 PM PDT            5.69            305         -      Not Applicable
  05/19/2024 07 PM PDT            5.69            305         0      Not Applicable
  05/19/2024 08 PM PDT            5.68            303         -      Not Applicable
  05/19/2024 09 PM PDT            5.68            303         0      Not Applicable
  05/19/2024 10 PM PDT            5.67            301         -      Not Applicable
  05/19/2024 11 PM PDT            5.67            301         0      Not Applicable
  05/20/2024 12 AM PDT            5.66            299         -      Not Applicable
  05/20/2024 01 AM PDT            5.66            299         0      Not Applicable
  05/20/2024 02 AM PDT            5.65            297         -      Not Applicable
  05/20/2024 03 AM PDT            5.65            297         0      Not Applicable
  05/20/2024 04 AM PDT            5.65            297         0      Not Applicable
  05/20/2024 05 AM PDT            5.64            295         -      Not Applicable
  05/20/2024 06 AM PDT            5.64            295         0      Not Applicable
  05/20/2024 07 AM PDT            5.63            293         -      Not Applicable
  05/20/2024 08 AM PDT            5.62            291         -      Not Applicable
  05/20/2024 09 AM PDT            5.62            291         0      Not Applicable
  05/20/2024 10 AM PDT            5.61            289         -      Not Applicable
  05/20/2024 11 AM PDT            5.60            287         -      Not Applicable
  05/20/2024 12 PM PDT            5.59            285         -      Not Applicable
  05/20/2024 01 PM PDT            5.59            285         0      Not Applicable
  05/20/2024 02 PM PDT            5.58            283         -      Not Applicable
  05/20/2024 03 PM PDT            5.57            281         -      Not Applicable
  05/20/2024 04 PM PDT            5.56            279         -      Not Applicable
  05/20/2024 05 PM PDT            5.55            277         -      Not Applicable
  05/20/2024 06 PM PDT            5.55            277         0      Not Applicable
  05/20/2024 07 PM PDT            5.54            275         -      Not Applicable
  05/20/2024 08 PM PDT            5.53            273         -      Not Applicable
  05/20/2024 09 PM PDT            5.53            273         0      Not Applicable
  05/20/2024 10 PM PDT            5.52            271         -      Not Applicable
  05/20/2024 11 PM PDT            5.51            269         -      Not Applicable
  05/21/2024 12 AM PDT            5.51            269         0      Not Applicable
  05/21/2024 01 AM PDT            5.50            267         -      Not Applicable
  05/21/2024 02 AM PDT            5.50            267         0      Not Applicable
  05/21/2024 03 AM PDT            5.49            265         -      Not Applicable
  05/21/2024 04 AM PDT            5.49            265         0      Not Applicable
  05/21/2024 05 AM PDT            5.49            265         0      Not Applicable
  05/21/2024 06 AM PDT            5.48            263         -      Not Applicable
  05/21/2024 07 AM PDT            5.47            261         -      Not Applicable
  05/21/2024 08 AM PDT            5.47            261         0      Not Applicable
  05/21/2024 09 AM PDT            5.46            259         -      Not Applicable
  05/21/2024 10 AM PDT            5.46            259         0      Not Applicable
  05/21/2024 11 AM PDT            5.45            257         -      Not Applicable
  05/21/2024 12 PM PDT            5.44            255         -      Not Applicable
  05/21/2024 01 PM PDT            5.43            254         -      Not Applicable
  05/21/2024 02 PM PDT            5.43            254         0      Not Applicable
  05/21/2024 03 PM PDT            5.42            252         -      Not Applicable
  05/21/2024 04 PM PDT            5.42            252         0      Not Applicable
  05/21/2024 05 PM PDT            5.41            250         -      Not Applicable
  05/21/2024 06 PM PDT            5.41            250         0      Not Applicable
  05/21/2024 07 PM PDT            5.40            248         -      Not Applicable
  05/21/2024 08 PM PDT            5.40            248         0      Not Applicable
  05/21/2024 09 PM PDT            5.40            248         0      Not Applicable
  05/21/2024 10 PM PDT            5.39            246         -      Not Applicable
  05/21/2024 11 PM PDT            5.39            246         0      Not Applicable
  05/22/2024 12 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 01 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 02 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 03 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 04 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 05 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 06 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 07 AM PDT            5.39            246         0      Not Applicable
  05/22/2024 08 AM PDT            5.38            244         -      Not Applicable
  05/22/2024 09 AM PDT            5.38            244         0      Not Applicable
  05/22/2024 10 AM PDT            5.38            244         0      Not Applicable
  05/22/2024 11 AM PDT            5.37            242         -      Not Applicable
  05/22/2024 12 PM PDT            5.37            242         0      Not Applicable
  05/22/2024 01 PM PDT            5.36            241         -      Not Applicable
  05/22/2024 02 PM PDT            5.36            241         0      Not Applicable
  05/22/2024 03 PM PDT            5.36            241         0      Not Applicable
  05/22/2024 04 PM PDT            5.35            239         -      Not Applicable
  05/22/2024 05 PM PDT            5.35            239         0      Not Applicable
  05/22/2024 06 PM PDT            5.35            239         0      Not Applicable
  05/22/2024 07 PM PDT            5.34            237         -      Not Applicable
  05/22/2024 08 PM PDT            5.34            237         0      Not Applicable
  05/22/2024 09 PM PDT            5.34            237         0      Not Applicable
  05/22/2024 10 PM PDT            5.34            237         0      Not Applicable
  05/22/2024 11 PM PDT            5.34            237         0      Not Applicable
  05/23/2024 12 AM PDT            5.34            237         0      Not Applicable
  05/23/2024 01 AM PDT            5.34            237         0      Not Applicable
  05/23/2024 02 AM PDT            5.34            237         0      Not Applicable
  05/23/2024 03 AM PDT            5.34            237         0      Not Applicable
  05/23/2024 04 AM PDT            5.34            237         0      Not Applicable
  05/23/2024 05 AM PDT            5.34            237         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.