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

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TUOLUMNE RIVER - MODESTO (MDSC1)
Latitude: 37.63º NLongitude: 120.99º WElevation: 90 Feet
Location: Stanislaus County in CaliforniaRiver Group: San Joaquin
Issuance Time: Sep 18 2021 at 7:28 AM PDTNext Issuance: Sep 19 2021 at 9:00 AM PDT
Monitor Stage: 50.5 FeetFlood Stage: 55.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Tuolumne River - Modesto (MDSC1)
#
# File Generation Time:  09/18/2021 at 07:29 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/18/2021 at 07:00 AM PDT
# Maximum Observed Stage:                       36.7 Feet
# Maximum Observed Flow:                        145 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/18/2021 at 08:00 AM PDT
# Maximum Forecast Stage:                       36.7 Feet
# Maximum Forecast Flow:                        145 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/13/2021 07 AM PDT            36.4             97                        Normal
  09/13/2021 08 AM PDT            36.4             97         0              Normal
  09/13/2021 09 AM PDT            36.4             95         -              Normal
  09/13/2021 10 AM PDT            36.4             94         -              Normal
  09/13/2021 11 AM PDT            36.4             92         -              Normal
  09/13/2021 12 PM PDT            36.4             92         0              Normal
  09/13/2021 01 PM PDT            36.4             90         -              Normal
  09/13/2021 02 PM PDT            36.4             88         -              Normal
  09/13/2021 03 PM PDT            36.4             88         0              Normal
  09/13/2021 04 PM PDT            36.4             86         -              Normal
  09/13/2021 05 PM PDT            36.4             86         0              Normal
  09/13/2021 06 PM PDT            36.4             85         -              Normal
  09/13/2021 07 PM PDT            36.4             83         -              Normal
  09/13/2021 08 PM PDT            36.3             81         -              Normal
  09/13/2021 09 PM PDT            36.3             81         0              Normal
  09/13/2021 10 PM PDT            36.3             81         0              Normal
  09/13/2021 11 PM PDT            36.3             81         0              Normal
  09/14/2021 12 AM PDT            36.3             81         0              Normal
  09/14/2021 01 AM PDT            36.4             85         +              Normal
  09/14/2021 02 AM PDT            36.4             86         +              Normal
  09/14/2021 03 AM PDT            36.4             88         +              Normal
  09/14/2021 04 AM PDT            36.4             90         +              Normal
  09/14/2021 05 AM PDT            36.4             92         +              Normal
  09/14/2021 06 AM PDT            36.4             90         -              Normal
  09/14/2021 07 AM PDT            36.4             90         0              Normal
  09/14/2021 08 AM PDT            36.4             88         -              Normal
  09/14/2021 09 AM PDT            36.4             86         -              Normal
  09/14/2021 10 AM PDT            36.4             85         -              Normal
  09/14/2021 11 AM PDT            36.4             83         -              Normal
  09/14/2021 12 PM PDT            36.4             85         +              Normal
  09/14/2021 01 PM PDT            36.4             85         0              Normal
  09/14/2021 02 PM PDT            36.4             88         +              Normal
  09/14/2021 03 PM PDT            36.4             90         +              Normal
  09/14/2021 04 PM PDT            36.4             90         0              Normal
  09/14/2021 05 PM PDT            36.4             90         0              Normal
  09/14/2021 06 PM PDT            36.4             88         -              Normal
  09/14/2021 07 PM PDT            36.4             88         0              Normal
  09/14/2021 08 PM PDT            36.4             88         0              Normal
  09/14/2021 09 PM PDT            36.4             88         0              Normal
  09/14/2021 10 PM PDT            36.4             88         0              Normal
  09/14/2021 11 PM PDT            36.4             90         +              Normal
  09/15/2021 12 AM PDT            36.4             94         +              Normal
  09/15/2021 01 AM PDT            36.4             97         +              Normal
  09/15/2021 02 AM PDT            36.5            101         +              Normal
  09/15/2021 03 AM PDT            36.5            108         +              Normal
  09/15/2021 04 AM PDT            36.5            112         +              Normal
  09/15/2021 05 AM PDT            36.5            118         +              Normal
  09/15/2021 06 AM PDT            36.5            120         +              Normal
  09/15/2021 07 AM PDT            36.5            120         0              Normal
  09/15/2021 08 AM PDT            36.5            120         0              Normal
  09/15/2021 09 AM PDT            36.5            118         -              Normal
  09/15/2021 10 AM PDT            36.5            118         0              Normal
  09/15/2021 11 AM PDT            36.5            118         0              Normal
  09/15/2021 12 PM PDT            36.5            116         -              Normal
  09/15/2021 01 PM PDT            36.5            116         0              Normal
  09/15/2021 02 PM PDT            36.5            114         -              Normal
  09/15/2021 03 PM PDT            36.5            108         -              Normal
  09/15/2021 04 PM PDT            36.5            104         -              Normal
  09/15/2021 05 PM PDT            36.4             99         -              Normal
  09/15/2021 06 PM PDT            36.4             95         -              Normal
  09/15/2021 07 PM PDT            36.4             90         -              Normal
  09/15/2021 08 PM PDT            36.4             85         -              Normal
  09/15/2021 09 PM PDT            36.3             81         -              Normal
  09/15/2021 10 PM PDT            36.3             78         -              Normal
  09/15/2021 11 PM PDT            36.3             78         0              Normal
  09/16/2021 12 AM PDT            36.3             80         +              Normal
  09/16/2021 01 AM PDT            36.4             83         +              Normal
  09/16/2021 02 AM PDT            36.4             86         +              Normal
  09/16/2021 03 AM PDT            36.4             86         0              Normal
  09/16/2021 04 AM PDT            36.4             90         +              Normal
  09/16/2021 05 AM PDT            36.4             92         +              Normal
  09/16/2021 06 AM PDT            36.4             95         +              Normal
  09/16/2021 07 AM PDT            36.4             97         +              Normal
  09/16/2021 08 AM PDT            36.5            101         +              Normal
  09/16/2021 09 AM PDT            36.5            103         +              Normal
  09/16/2021 10 AM PDT            36.5            104         +              Normal
  09/16/2021 11 AM PDT            36.5            108         +              Normal
  09/16/2021 12 PM PDT            36.5            110         +              Normal
  09/16/2021 01 PM PDT            36.5            114         +              Normal
  09/16/2021 02 PM PDT            36.5            116         +              Normal
  09/16/2021 03 PM PDT            36.5            116         0              Normal
  09/16/2021 04 PM PDT            36.5            114         -              Normal
  09/16/2021 05 PM PDT            36.5            114         0              Normal
  09/16/2021 06 PM PDT            36.5            114         0              Normal
  09/16/2021 07 PM PDT            36.5            114         0              Normal
  09/16/2021 08 PM PDT            36.5            114         0              Normal
  09/16/2021 09 PM PDT            36.5            114         0              Normal
  09/16/2021 10 PM PDT            36.5            116         +              Normal
  09/16/2021 11 PM PDT            36.5            118         +              Normal
  09/17/2021 12 AM PDT            36.6            123         +              Normal
  09/17/2021 01 AM PDT            36.6            125         +              Normal
  09/17/2021 02 AM PDT            36.6            127         +              Normal
  09/17/2021 03 AM PDT            36.6            129         +              Normal
  09/17/2021 04 AM PDT            36.6            131         +              Normal
  09/17/2021 05 AM PDT            36.6            133         +              Normal
  09/17/2021 06 AM PDT            36.6            135         +              Normal
  09/17/2021 07 AM PDT            36.6            139         +              Normal
  09/17/2021 08 AM PDT            36.6            139         0              Normal
  09/17/2021 09 AM PDT            36.6            137         -              Normal
  09/17/2021 10 AM PDT            36.6            137         0              Normal
  09/17/2021 11 AM PDT            36.6            135         -              Normal
  09/17/2021 12 PM PDT            36.6            135         0              Normal
  09/17/2021 01 PM PDT            36.6            133         -              Normal
  09/17/2021 02 PM PDT            36.6            131         -              Normal
  09/17/2021 03 PM PDT            36.6            129         -              Normal
  09/17/2021 04 PM PDT            36.6            125         -              Normal
  09/17/2021 05 PM PDT            36.6            123         -              Normal
  09/17/2021 06 PM PDT            36.6            122         -              Normal
  09/17/2021 07 PM PDT            36.6            122         0              Normal
  09/17/2021 08 PM PDT            36.5            120         -              Normal
  09/17/2021 09 PM PDT            36.5            120         0              Normal
  09/17/2021 10 PM PDT            36.5            118         -              Normal
  09/17/2021 11 PM PDT            36.5            116         -              Normal
  09/18/2021 12 AM PDT            36.5            114         -              Normal
  09/18/2021 01 AM PDT            36.5            116         +              Normal
  09/18/2021 02 AM PDT            36.6            122         +              Normal
  09/18/2021 03 AM PDT            36.6            129         +              Normal
  09/18/2021 04 AM PDT            36.6            137         +              Normal
  09/18/2021 05 AM PDT            36.7            143         +              Normal
  09/18/2021 06 AM PDT            36.7            145         +              Normal
  09/18/2021 07 AM PDT            36.7            145         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/18/2021 08 AM PDT            36.7            145                        Normal
  09/18/2021 09 AM PDT            36.7            145         0              Normal
  09/18/2021 10 AM PDT            36.7            145         0              Normal
  09/18/2021 11 AM PDT            36.7            145         0              Normal
  09/18/2021 12 PM PDT            36.7            145         0              Normal
  09/18/2021 01 PM PDT            36.7            145         0              Normal
  09/18/2021 02 PM PDT            36.7            145         0              Normal
  09/18/2021 03 PM PDT            36.7            145         0              Normal
  09/18/2021 04 PM PDT            36.7            145         0              Normal
  09/18/2021 05 PM PDT            36.7            145         0              Normal
  09/18/2021 06 PM PDT            36.7            145         0              Normal
  09/18/2021 07 PM PDT            36.7            143         -              Normal
  09/18/2021 08 PM PDT            36.7            143         0              Normal
  09/18/2021 09 PM PDT            36.7            141         -              Normal
  09/18/2021 10 PM PDT            36.7            141         0              Normal
  09/18/2021 11 PM PDT            36.7            141         0              Normal
  09/19/2021 12 AM PDT            36.6            139         -              Normal
  09/19/2021 01 AM PDT            36.6            139         0              Normal
  09/19/2021 02 AM PDT            36.6            139         0              Normal
  09/19/2021 03 AM PDT            36.6            137         -              Normal
  09/19/2021 04 AM PDT            36.6            137         0              Normal
  09/19/2021 05 AM PDT            36.6            137         0              Normal
  09/19/2021 06 AM PDT            36.6            137         0              Normal
  09/19/2021 07 AM PDT            36.6            137         0              Normal
  09/19/2021 08 AM PDT            36.6            135         -              Normal
  09/19/2021 09 AM PDT            36.6            135         0              Normal
  09/19/2021 10 AM PDT            36.6            135         0              Normal
  09/19/2021 11 AM PDT            36.6            135         0              Normal
  09/19/2021 12 PM PDT            36.6            135         0              Normal
  09/19/2021 01 PM PDT            36.6            135         0              Normal
  09/19/2021 02 PM PDT            36.6            135         0              Normal
  09/19/2021 03 PM PDT            36.6            135         0              Normal
  09/19/2021 04 PM PDT            36.6            135         0              Normal
  09/19/2021 05 PM PDT            36.6            135         0              Normal
  09/19/2021 06 PM PDT            36.6            135         0              Normal
  09/19/2021 07 PM PDT            36.6            135         0              Normal
  09/19/2021 08 PM PDT            36.6            133         -              Normal
  09/19/2021 09 PM PDT            36.6            133         0              Normal
  09/19/2021 10 PM PDT            36.6            133         0              Normal
  09/19/2021 11 PM PDT            36.6            133         0              Normal
  09/20/2021 12 AM PDT            36.6            133         0              Normal
  09/20/2021 01 AM PDT            36.6            133         0              Normal
  09/20/2021 02 AM PDT            36.6            133         0              Normal
  09/20/2021 03 AM PDT            36.6            133         0              Normal
  09/20/2021 04 AM PDT            36.6            133         0              Normal
  09/20/2021 05 AM PDT            36.6            133         0              Normal
  09/20/2021 06 AM PDT            36.6            133         0              Normal
  09/20/2021 07 AM PDT            36.6            133         0              Normal
  09/20/2021 08 AM PDT            36.6            133         0              Normal
  09/20/2021 09 AM PDT            36.6            133         0              Normal
  09/20/2021 10 AM PDT            36.6            133         0              Normal
  09/20/2021 11 AM PDT            36.6            133         0              Normal
  09/20/2021 12 PM PDT            36.6            133         0              Normal
  09/20/2021 01 PM PDT            36.6            133         0              Normal
  09/20/2021 02 PM PDT            36.6            131         -              Normal
  09/20/2021 03 PM PDT            36.6            131         0              Normal
  09/20/2021 04 PM PDT            36.6            131         0              Normal
  09/20/2021 05 PM PDT            36.6            131         0              Normal
  09/20/2021 06 PM PDT            36.6            131         0              Normal
  09/20/2021 07 PM PDT            36.6            131         0              Normal
  09/20/2021 08 PM PDT            36.6            131         0              Normal
  09/20/2021 09 PM PDT            36.6            131         0              Normal
  09/20/2021 10 PM PDT            36.6            131         0              Normal
  09/20/2021 11 PM PDT            36.6            131         0              Normal
  09/21/2021 12 AM PDT            36.6            131         0              Normal
  09/21/2021 01 AM PDT            36.6            131         0              Normal
  09/21/2021 02 AM PDT            36.6            131         0              Normal
  09/21/2021 03 AM PDT            36.6            131         0              Normal
  09/21/2021 04 AM PDT            36.6            131         0              Normal
  09/21/2021 05 AM PDT            36.6            131         0              Normal
  09/21/2021 06 AM PDT            36.6            131         0              Normal
  09/21/2021 07 AM PDT            36.6            131         0              Normal
  09/21/2021 08 AM PDT            36.6            131         0              Normal
  09/21/2021 09 AM PDT            36.6            131         0              Normal
  09/21/2021 10 AM PDT            36.6            131         0              Normal
  09/21/2021 11 AM PDT            36.6            129         -              Normal
  09/21/2021 12 PM PDT            36.6            129         0              Normal
  09/21/2021 01 PM PDT            36.6            129         0              Normal
  09/21/2021 02 PM PDT            36.6            129         0              Normal
  09/21/2021 03 PM PDT            36.6            129         0              Normal
  09/21/2021 04 PM PDT            36.6            129         0              Normal
  09/21/2021 05 PM PDT            36.6            129         0              Normal
  09/21/2021 06 PM PDT            36.6            129         0              Normal
  09/21/2021 07 PM PDT            36.6            129         0              Normal
  09/21/2021 08 PM PDT            36.6            129         0              Normal
  09/21/2021 09 PM PDT            36.6            129         0              Normal
  09/21/2021 10 PM PDT            36.6            129         0              Normal
  09/21/2021 11 PM PDT            36.6            129         0              Normal
  09/22/2021 12 AM PDT            36.6            129         0              Normal
  09/22/2021 01 AM PDT            36.6            129         0              Normal
  09/22/2021 02 AM PDT            36.6            129         0              Normal
  09/22/2021 03 AM PDT            36.6            129         0              Normal
  09/22/2021 04 AM PDT            36.6            129         0              Normal
  09/22/2021 05 AM PDT            36.6            129         0              Normal
  09/22/2021 06 AM PDT            36.6            129         0              Normal
  09/22/2021 07 AM PDT            36.6            129         0              Normal
  09/22/2021 08 AM PDT            36.6            129         0              Normal
  09/22/2021 09 AM PDT            36.6            129         0              Normal
  09/22/2021 10 AM PDT            36.6            129         0              Normal
  09/22/2021 11 AM PDT            36.6            127         -              Normal
  09/22/2021 12 PM PDT            36.6            127         0              Normal
  09/22/2021 01 PM PDT            36.6            127         0              Normal
  09/22/2021 02 PM PDT            36.6            127         0              Normal
  09/22/2021 03 PM PDT            36.6            127         0              Normal
  09/22/2021 04 PM PDT            36.6            127         0              Normal
  09/22/2021 05 PM PDT            36.6            127         0              Normal
  09/22/2021 06 PM PDT            36.6            127         0              Normal
  09/22/2021 07 PM PDT            36.6            127         0              Normal
  09/22/2021 08 PM PDT            36.6            127         0              Normal
  09/22/2021 09 PM PDT            36.6            127         0              Normal
  09/22/2021 10 PM PDT            36.6            127         0              Normal
  09/22/2021 11 PM PDT            36.6            127         0              Normal
  09/23/2021 12 AM PDT            36.6            127         0              Normal
  09/23/2021 01 AM PDT            36.6            127         0              Normal
  09/23/2021 02 AM PDT            36.6            127         0              Normal
  09/23/2021 03 AM PDT            36.6            127         0              Normal
  09/23/2021 04 AM PDT            36.6            127         0              Normal
  09/23/2021 05 AM PDT            36.6            127         0              Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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.