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

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MERCED RIVER - YOSEMITE NP AT HAPPY ISLES (HPIC1)
Latitude: 37.73º NLongitude: 119.56º WElevation: 4017 Feet
Location: Mariposa County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jul 22 2024 at 7:37 AM PDTNext Issuance: Jul 23 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: 7.5 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Happy Isles (HPIC1)
#
# File Generation Time:  07/22/2024 at 07:37 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/17/2024 at 07:00 AM PDT
# Maximum Observed Stage:                       2.36 Feet
# Maximum Observed Flow:                        190 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/22/2024 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.16 Feet
# Maximum Forecast Flow:                        139 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/17/2024 07 AM PDT            2.36            190                        Normal
  07/17/2024 08 AM PDT            2.35            188         -              Normal
  07/17/2024 09 AM PDT            2.35            188         0              Normal
  07/17/2024 10 AM PDT            2.35            188         0              Normal
  07/17/2024 11 AM PDT            2.34            185         -              Normal
  07/17/2024 12 PM PDT            2.34            185         0              Normal
  07/17/2024 01 PM PDT            2.33            183         -              Normal
  07/17/2024 02 PM PDT            2.33            183         0              Normal
  07/17/2024 03 PM PDT            2.32            180         -              Normal
  07/17/2024 04 PM PDT            2.31            177         -              Normal
  07/17/2024 05 PM PDT            2.31            177         0              Normal
  07/17/2024 06 PM PDT            2.31            177         0              Normal
  07/17/2024 07 PM PDT            2.31            177         0              Normal
  07/17/2024 08 PM PDT            2.30            175         -              Normal
  07/17/2024 09 PM PDT            2.29            172         -              Normal
  07/17/2024 10 PM PDT            2.29            172         0              Normal
  07/17/2024 11 PM PDT            2.27            167         -              Normal
  07/18/2024 12 AM PDT            2.28            169         +              Normal
  07/18/2024 01 AM PDT            2.28            169         0              Normal
  07/18/2024 02 AM PDT            2.27            167         -              Normal
  07/18/2024 03 AM PDT            2.27            167         0              Normal
  07/18/2024 04 AM PDT            2.27            167         0              Normal
  07/18/2024 05 AM PDT            2.26            164         -              Normal
  07/18/2024 06 AM PDT            2.26            164         0              Normal
  07/18/2024 07 AM PDT            2.25            162         -              Normal
  07/18/2024 08 AM PDT            2.25            162         0              Normal
  07/18/2024 09 AM PDT            2.25            162         0              Normal
  07/18/2024 10 AM PDT            2.25            162         0              Normal
  07/18/2024 11 AM PDT            2.25            162         0              Normal
  07/18/2024 12 PM PDT            2.24            159         -              Normal
  07/18/2024 01 PM PDT            2.24            159         0              Normal
  07/18/2024 02 PM PDT            2.24            159         0              Normal
  07/18/2024 03 PM PDT            2.24            159         0              Normal
  07/18/2024 04 PM PDT            2.24            159         0              Normal
  07/18/2024 05 PM PDT            2.23            156         -              Normal
  07/18/2024 06 PM PDT            2.23            156         0              Normal
  07/18/2024 07 PM PDT            2.23            156         0              Normal
  07/18/2024 08 PM PDT            2.22            154         -              Normal
  07/18/2024 09 PM PDT            2.22            154         0              Normal
  07/18/2024 10 PM PDT            2.22            154         0              Normal
  07/18/2024 11 PM PDT            2.21            151         -              Normal
  07/19/2024 12 AM PDT            2.21            151         0              Normal
  07/19/2024 01 AM PDT            2.21            151         0              Normal
  07/19/2024 02 AM PDT            2.21            151         0              Normal
  07/19/2024 03 AM PDT            2.20            149         -              Normal
  07/19/2024 04 AM PDT            2.21            151         +              Normal
  07/19/2024 05 AM PDT            2.20            149         -              Normal
  07/19/2024 06 AM PDT            2.20            149         0              Normal
  07/19/2024 07 AM PDT            2.20            149         0              Normal
  07/19/2024 08 AM PDT            2.20            149         0              Normal
  07/19/2024 09 AM PDT            2.20            149         0              Normal
  07/19/2024 10 AM PDT            2.20            149         0              Normal
  07/19/2024 11 AM PDT            2.19            146         -              Normal
  07/19/2024 12 PM PDT            2.20            149         +              Normal
  07/19/2024 01 PM PDT            2.20            149         0              Normal
  07/19/2024 02 PM PDT            2.19            146         -              Normal
  07/19/2024 03 PM PDT            2.19            146         0              Normal
  07/19/2024 04 PM PDT            2.19            146         0              Normal
  07/19/2024 05 PM PDT            2.20            149         +              Normal
  07/19/2024 06 PM PDT            2.20            149         0              Normal
  07/19/2024 07 PM PDT            2.18            144         -              Normal
  07/19/2024 08 PM PDT            2.18            144         0              Normal
  07/19/2024 09 PM PDT            2.18            144         0              Normal
  07/19/2024 10 PM PDT            2.18            144         0              Normal
  07/19/2024 11 PM PDT            2.18            144         0              Normal
  07/20/2024 12 AM PDT            2.17            141         -              Normal
  07/20/2024 01 AM PDT            2.18            144         +              Normal
  07/20/2024 02 AM PDT            2.17            141         -              Normal
  07/20/2024 03 AM PDT            2.17            141         0              Normal
  07/20/2024 04 AM PDT            2.18            144         +              Normal
  07/20/2024 05 AM PDT            2.18            144         0              Normal
  07/20/2024 06 AM PDT            2.18            144         0              Normal
  07/20/2024 07 AM PDT            2.18            144         0              Normal
  07/20/2024 08 AM PDT            2.19            146         +              Normal
  07/20/2024 09 AM PDT            2.18            144         -              Normal
  07/20/2024 10 AM PDT            2.19            146         +              Normal
  07/20/2024 11 AM PDT            2.18            144         -              Normal
  07/20/2024 12 PM PDT            2.19            146         +              Normal
  07/20/2024 01 PM PDT            2.19            146         0              Normal
  07/20/2024 02 PM PDT            2.19            146         0              Normal
  07/20/2024 03 PM PDT            2.19            146         0              Normal
  07/20/2024 04 PM PDT            2.18            144         -              Normal
  07/20/2024 05 PM PDT            2.19            146         +              Normal
  07/20/2024 06 PM PDT            2.19            146         0              Normal
  07/20/2024 07 PM PDT            2.19            146         0              Normal
  07/20/2024 08 PM PDT            2.19            146         0              Normal
  07/20/2024 09 PM PDT            2.19            146         0              Normal
  07/20/2024 10 PM PDT            2.19            146         0              Normal
  07/20/2024 11 PM PDT            2.18            144         -              Normal
  07/21/2024 12 AM PDT            2.17            141         -              Normal
  07/21/2024 01 AM PDT            2.17            141         0              Normal
  07/21/2024 02 AM PDT            2.17            141         0              Normal
  07/21/2024 03 AM PDT            2.18            144         +              Normal
  07/21/2024 04 AM PDT            2.17            141         -              Normal
  07/21/2024 05 AM PDT            2.17            141         0              Normal
  07/21/2024 06 AM PDT            2.17            141         0              Normal
  07/21/2024 07 AM PDT            2.17            141         0              Normal
  07/21/2024 08 AM PDT            2.18            144         +              Normal
  07/21/2024 09 AM PDT            2.17            141         -              Normal
  07/21/2024 10 AM PDT            2.17            141         0              Normal
  07/21/2024 11 AM PDT            2.18            144         +              Normal
  07/21/2024 12 PM PDT            2.18            144         0              Normal
  07/21/2024 01 PM PDT            2.18            144         0              Normal
  07/21/2024 02 PM PDT            2.18            144         0              Normal
  07/21/2024 03 PM PDT            2.19            146         +              Normal
  07/21/2024 04 PM PDT            2.18            144         -              Normal
  07/21/2024 05 PM PDT            2.19            146         +              Normal
  07/21/2024 06 PM PDT            2.19            146         0              Normal
  07/21/2024 07 PM PDT            2.18            144         -              Normal
  07/21/2024 08 PM PDT            2.19            146         +              Normal
  07/21/2024 09 PM PDT            2.17            141         -              Normal
  07/21/2024 10 PM PDT            2.17            141         0              Normal
  07/21/2024 11 PM PDT            2.18            144         +              Normal
  07/22/2024 12 AM PDT            2.17            141         -              Normal
  07/22/2024 01 AM PDT            2.17            141         0              Normal
  07/22/2024 02 AM PDT            2.17            141         0              Normal
  07/22/2024 03 AM PDT            2.17            141         0              Normal
  07/22/2024 04 AM PDT            2.17            141         0              Normal
  07/22/2024 05 AM PDT            2.17            141         0              Normal
  07/22/2024 06 AM PDT            2.17            141         0              Normal
  07/22/2024 07 AM PDT            2.17            141         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/22/2024 08 AM PDT            2.16            139                        Normal
  07/22/2024 09 AM PDT            2.16            139         0              Normal
  07/22/2024 10 AM PDT            2.16            139         0              Normal
  07/22/2024 11 AM PDT            2.16            139         0              Normal
  07/22/2024 12 PM PDT            2.15            136         -              Normal
  07/22/2024 01 PM PDT            2.15            136         0              Normal
  07/22/2024 02 PM PDT            2.15            136         0              Normal
  07/22/2024 03 PM PDT            2.14            134         -              Normal
  07/22/2024 04 PM PDT            2.14            134         0              Normal
  07/22/2024 05 PM PDT            2.14            134         0              Normal
  07/22/2024 06 PM PDT            2.14            134         0              Normal
  07/22/2024 07 PM PDT            2.14            134         0              Normal
  07/22/2024 08 PM PDT            2.14            134         0              Normal
  07/22/2024 09 PM PDT            2.14            134         0              Normal
  07/22/2024 10 PM PDT            2.14            134         0              Normal
  07/22/2024 11 PM PDT            2.14            134         0              Normal
  07/23/2024 12 AM PDT            2.14            134         0              Normal
  07/23/2024 01 AM PDT            2.14            134         0              Normal
  07/23/2024 02 AM PDT            2.14            134         0              Normal
  07/23/2024 03 AM PDT            2.14            134         0              Normal
  07/23/2024 04 AM PDT            2.14            134         0              Normal
  07/23/2024 05 AM PDT            2.14            134         0              Normal
  07/23/2024 06 AM PDT            2.14            134         0              Normal
  07/23/2024 07 AM PDT            2.14            134         0              Normal
  07/23/2024 08 AM PDT            2.13            131         -              Normal
  07/23/2024 09 AM PDT            2.13            131         0              Normal
  07/23/2024 10 AM PDT            2.13            131         0              Normal
  07/23/2024 11 AM PDT            2.13            131         0              Normal
  07/23/2024 12 PM PDT            2.12            129         -              Normal
  07/23/2024 01 PM PDT            2.12            129         0              Normal
  07/23/2024 02 PM PDT            2.12            129         0              Normal
  07/23/2024 03 PM PDT            2.12            129         0              Normal
  07/23/2024 04 PM PDT            2.11            127         -              Normal
  07/23/2024 05 PM PDT            2.11            127         0              Normal
  07/23/2024 06 PM PDT            2.11            127         0              Normal
  07/23/2024 07 PM PDT            2.11            127         0              Normal
  07/23/2024 08 PM PDT            2.11            127         0              Normal
  07/23/2024 09 PM PDT            2.11            127         0              Normal
  07/23/2024 10 PM PDT            2.12            129         +              Normal
  07/23/2024 11 PM PDT            2.12            129         0              Normal
  07/24/2024 12 AM PDT            2.12            129         0              Normal
  07/24/2024 01 AM PDT            2.12            129         0              Normal
  07/24/2024 02 AM PDT            2.12            129         0              Normal
  07/24/2024 03 AM PDT            2.11            127         -              Normal
  07/24/2024 04 AM PDT            2.11            127         0              Normal
  07/24/2024 05 AM PDT            2.11            127         0              Normal
  07/24/2024 06 AM PDT            2.11            127         0              Normal
  07/24/2024 07 AM PDT            2.11            127         0              Normal
  07/24/2024 08 AM PDT            2.11            127         0              Normal
  07/24/2024 09 AM PDT            2.10            125         -              Normal
  07/24/2024 10 AM PDT            2.10            125         0              Normal
  07/24/2024 11 AM PDT            2.10            125         0              Normal
  07/24/2024 12 PM PDT            2.10            125         0              Normal
  07/24/2024 01 PM PDT            2.09            123         -              Normal
  07/24/2024 02 PM PDT            2.09            123         0              Normal
  07/24/2024 03 PM PDT            2.09            123         0              Normal
  07/24/2024 04 PM PDT            2.09            123         0              Normal
  07/24/2024 05 PM PDT            2.09            123         0              Normal
  07/24/2024 06 PM PDT            2.09            123         0              Normal
  07/24/2024 07 PM PDT            2.09            123         0              Normal
  07/24/2024 08 PM PDT            2.09            123         0              Normal
  07/24/2024 09 PM PDT            2.09            123         0              Normal
  07/24/2024 10 PM PDT            2.09            123         0              Normal
  07/24/2024 11 PM PDT            2.09            123         0              Normal
  07/25/2024 12 AM PDT            2.09            123         0              Normal
  07/25/2024 01 AM PDT            2.09            123         0              Normal
  07/25/2024 02 AM PDT            2.09            123         0              Normal
  07/25/2024 03 AM PDT            2.09            123         0              Normal
  07/25/2024 04 AM PDT            2.09            123         0              Normal
  07/25/2024 05 AM PDT            2.09            123         0              Normal
  07/25/2024 06 AM PDT            2.09            123         0              Normal
  07/25/2024 07 AM PDT            2.08            121         -              Normal
  07/25/2024 08 AM PDT            2.08            121         0              Normal
  07/25/2024 09 AM PDT            2.08            121         0              Normal
  07/25/2024 10 AM PDT            2.08            121         0              Normal
  07/25/2024 11 AM PDT            2.07            119         -              Normal
  07/25/2024 12 PM PDT            2.07            119         0              Normal
  07/25/2024 01 PM PDT            2.07            119         0              Normal
  07/25/2024 02 PM PDT            2.07            119         0              Normal
  07/25/2024 03 PM PDT            2.06            117         -              Normal
  07/25/2024 04 PM PDT            2.06            117         0              Normal
  07/25/2024 05 PM PDT            2.06            117         0              Normal
  07/25/2024 06 PM PDT            2.06            117         0              Normal
  07/25/2024 07 PM PDT            2.06            117         0              Normal
  07/25/2024 08 PM PDT            2.06            117         0              Normal
  07/25/2024 09 PM PDT            2.06            117         0              Normal
  07/25/2024 10 PM PDT            2.06            117         0              Normal
  07/25/2024 11 PM PDT            2.06            117         0              Normal
  07/26/2024 12 AM PDT            2.06            117         0              Normal
  07/26/2024 01 AM PDT            2.06            117         0              Normal
  07/26/2024 02 AM PDT            2.06            117         0              Normal
  07/26/2024 03 AM PDT            2.06            117         0              Normal
  07/26/2024 04 AM PDT            2.06            117         0              Normal
  07/26/2024 05 AM PDT            2.06            117         0              Normal
  07/26/2024 06 AM PDT            2.06            117         0              Normal
  07/26/2024 07 AM PDT            2.06            117         0              Normal
  07/26/2024 08 AM PDT            2.05            115         -              Normal
  07/26/2024 09 AM PDT            2.05            115         0              Normal
  07/26/2024 10 AM PDT            2.05            115         0              Normal
  07/26/2024 11 AM PDT            2.05            115         0              Normal
  07/26/2024 12 PM PDT            2.05            115         0              Normal
  07/26/2024 01 PM PDT            2.04            113         -              Normal
  07/26/2024 02 PM PDT            2.04            113         0              Normal
  07/26/2024 03 PM PDT            2.04            113         0              Normal
  07/26/2024 04 PM PDT            2.04            113         0              Normal
  07/26/2024 05 PM PDT            2.03            111         -              Normal
  07/26/2024 06 PM PDT            2.04            113         +              Normal
  07/26/2024 07 PM PDT            2.04            113         0              Normal
  07/26/2024 08 PM PDT            2.04            113         0              Normal
  07/26/2024 09 PM PDT            2.04            113         0              Normal
  07/26/2024 10 PM PDT            2.04            113         0              Normal
  07/26/2024 11 PM PDT            2.04            113         0              Normal
  07/27/2024 12 AM PDT            2.04            113         0              Normal
  07/27/2024 01 AM PDT            2.04            113         0              Normal
  07/27/2024 02 AM PDT            2.03            111         -              Normal
  07/27/2024 03 AM PDT            2.03            111         0              Normal
  07/27/2024 04 AM PDT            2.03            111         0              Normal
  07/27/2024 05 AM PDT            2.03            111         0              Normal
#
# 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.