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: Mar 01 2024 at 2:10 PM PSTNext Issuance: Mar 01 2024 at 9:00 PM PST
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:  03/01/2024 at 02:11 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/29/2024 at 12:00 AM PST
# Maximum Observed Stage:                       2.1 Feet
# Maximum Observed Flow:                        113 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/01/2024 at 03:00 PM PST
# Maximum Forecast Stage:                       2.1 Feet
# Maximum Forecast Flow:                        104 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/25/2024 02 PM PST             2.0             96                        Normal
  02/25/2024 03 PM PST             2.1            106         +              Normal
  02/25/2024 04 PM PST             2.1            107         +              Normal
  02/25/2024 05 PM PST             2.1            106         -              Normal
  02/25/2024 06 PM PST             2.1            106         0              Normal
  02/25/2024 07 PM PST             2.1            107         +              Normal
  02/25/2024 08 PM PST             2.1            107         0              Normal
  02/25/2024 09 PM PST             2.1            109         +              Normal
  02/25/2024 10 PM PST             2.1            111         +              Normal
  02/25/2024 11 PM PST             2.1            111         0              Normal
  02/26/2024 12 AM PST             2.1            111         0              Normal
  02/26/2024 01 AM PST             2.1            109         -              Normal
  02/26/2024 02 AM PST             2.1            109         0              Normal
  02/26/2024 03 AM PST             2.1            109         0              Normal
  02/26/2024 04 AM PST             2.1            107         -              Normal
  02/26/2024 05 AM PST             2.1            107         0              Normal
  02/26/2024 06 AM PST             2.1            107         0              Normal
  02/26/2024 07 AM PST             2.1            106         -              Normal
  02/26/2024 08 AM PST             2.1            104         -              Normal
  02/26/2024 09 AM PST             2.1            104         0              Normal
  02/26/2024 10 AM PST             2.1            104         0              Normal
  02/26/2024 11 AM PST             2.1            104         0              Normal
  02/26/2024 12 PM PST             2.1            104         0              Normal
  02/26/2024 01 PM PST             2.1            104         0              Normal
  02/26/2024 02 PM PST             2.1            104         0              Normal
  02/26/2024 03 PM PST             2.1            106         +              Normal
  02/26/2024 04 PM PST             2.1            106         0              Normal
  02/26/2024 05 PM PST             2.1            106         0              Normal
  02/26/2024 06 PM PST             2.1            107         +              Normal
  02/26/2024 07 PM PST             2.1            106         -              Normal
  02/26/2024 08 PM PST             2.1            107         +              Normal
  02/26/2024 09 PM PST             2.1            107         0              Normal
  02/26/2024 10 PM PST             2.1            106         -              Normal
  02/26/2024 11 PM PST             2.1            109         +              Normal
  02/27/2024 12 AM PST             2.1            107         -              Normal
  02/27/2024 01 AM PST             2.1            107         0              Normal
  02/27/2024 02 AM PST             2.1            107         0              Normal
  02/27/2024 03 AM PST             2.1            106         -              Normal
  02/27/2024 04 AM PST             2.1            106         0              Normal
  02/27/2024 05 AM PST             2.1            106         0              Normal
  02/27/2024 06 AM PST             2.1            104         -              Normal
  02/27/2024 07 AM PST             2.1            104         0              Normal
  02/27/2024 08 AM PST             2.1            102         -              Normal
  02/27/2024 09 AM PST             2.1            102         0              Normal
  02/27/2024 10 AM PST             2.1            101         -              Normal
  02/27/2024 11 AM PST             2.1            101         0              Normal
  02/27/2024 12 PM PST             2.0             98         -              Normal
  02/27/2024 01 PM PST             2.0             98         0              Normal
  02/27/2024 02 PM PST             2.0             98         0              Normal
  02/27/2024 03 PM PST             2.0             99         +              Normal
  02/27/2024 04 PM PST             2.0             99         0              Normal
  02/27/2024 05 PM PST             2.1            101         +              Normal
  02/27/2024 06 PM PST             2.1            102         +              Normal
  02/27/2024 07 PM PST             2.1            104         +              Normal
  02/27/2024 08 PM PST             2.1            104         0              Normal
  02/27/2024 09 PM PST             2.1            104         0              Normal
  02/27/2024 10 PM PST             2.1            106         +              Normal
  02/27/2024 11 PM PST             2.1            106         0              Normal
  02/28/2024 12 AM PST             2.1            106         0              Normal
  02/28/2024 01 AM PST             2.1            106         0              Normal
  02/28/2024 02 AM PST             2.1            106         0              Normal
  02/28/2024 03 AM PST             2.1            104         -              Normal
  02/28/2024 04 AM PST             2.1            104         0              Normal
  02/28/2024 05 AM PST             2.1            102         -              Normal
  02/28/2024 06 AM PST             2.1            102         0              Normal
  02/28/2024 07 AM PST             2.1            101         -              Normal
  02/28/2024 08 AM PST             2.1            101         0              Normal
  02/28/2024 09 AM PST             2.0             98         -              Normal
  02/28/2024 10 AM PST             2.0             96         -              Normal
  02/28/2024 11 AM PST             2.0             96         0              Normal
  02/28/2024 12 PM PST             2.0             99         +              Normal
  02/28/2024 01 PM PST             2.0             98         -              Normal
  02/28/2024 02 PM PST             2.0             98         0              Normal
  02/28/2024 03 PM PST             2.1            104         +              Normal
  02/28/2024 04 PM PST             2.1            102         -              Normal
  02/28/2024 05 PM PST             2.1            102         0              Normal
  02/28/2024 06 PM PST             2.1            104         +              Normal
  02/28/2024 07 PM PST             2.1            106         +              Normal
  02/28/2024 08 PM PST             2.1            107         +              Normal
  02/28/2024 09 PM PST             2.1            109         +              Normal
  02/28/2024 10 PM PST             2.1            111         +              Normal
  02/28/2024 11 PM PST             2.1            111         0              Normal
  02/29/2024 12 AM PST             2.1            113         +              Normal
  02/29/2024 01 AM PST             2.1            111         -              Normal
  02/29/2024 02 AM PST             2.1            111         0              Normal
  02/29/2024 03 AM PST             2.1            109         -              Normal
  02/29/2024 04 AM PST             2.1            111         +              Normal
  02/29/2024 05 AM PST             2.1            109         -              Normal
  02/29/2024 06 AM PST             2.1            109         0              Normal
  02/29/2024 07 AM PST             2.1            109         0              Normal
  02/29/2024 08 AM PST             2.1            109         0              Normal
  02/29/2024 09 AM PST             2.1            107         -              Normal
  02/29/2024 10 AM PST             2.1            107         0              Normal
  02/29/2024 11 AM PST             2.1            107         0              Normal
  02/29/2024 12 PM PST             2.1            107         0              Normal
  02/29/2024 01 PM PST             2.1            106         -              Normal
  02/29/2024 02 PM PST             2.1            106         0              Normal
  02/29/2024 03 PM PST             2.1            106         0              Normal
  02/29/2024 04 PM PST             2.1            106         0              Normal
  02/29/2024 05 PM PST             2.1            107         +              Normal
  02/29/2024 06 PM PST             2.1            106         -              Normal
  02/29/2024 07 PM PST             2.1            106         0              Normal
  02/29/2024 08 PM PST             2.1            106         0              Normal
  02/29/2024 09 PM PST             2.1            106         0              Normal
  02/29/2024 10 PM PST             2.1            104         -              Normal
  02/29/2024 11 PM PST             2.1            104         0              Normal
  03/01/2024 12 AM PST             2.1            104         0              Normal
  03/01/2024 01 AM PST             2.1            104         0              Normal
  03/01/2024 02 AM PST             2.1            104         0              Normal
  03/01/2024 03 AM PST             2.1            104         0              Normal
  03/01/2024 04 AM PST             2.1            104         0              Normal
  03/01/2024 05 AM PST             2.1            107         +              Normal
  03/01/2024 06 AM PST             2.1            107         0              Normal
  03/01/2024 07 AM PST             2.1            107         0              Normal
  03/01/2024 08 AM PST             2.1            107         0              Normal
  03/01/2024 09 AM PST             2.1            106         -              Normal
  03/01/2024 10 AM PST             2.1            106         0              Normal
  03/01/2024 11 AM PST             2.1            107         +              Normal
  03/01/2024 12 PM PST             2.1            106         -              Normal
  03/01/2024 01 PM PST             2.1            106         0              Normal
  03/01/2024 02 PM PST             2.1            106         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/01/2024 03 PM PST             2.1            104                        Normal
  03/01/2024 04 PM PST             2.1            104         0              Normal
  03/01/2024 05 PM PST             2.1            104         0              Normal
  03/01/2024 06 PM PST             2.1            104         0              Normal
  03/01/2024 07 PM PST             2.1            102         -              Normal
  03/01/2024 08 PM PST             2.1            102         0              Normal
  03/01/2024 09 PM PST             2.1            102         0              Normal
  03/01/2024 10 PM PST             2.1            101         -              Normal
  03/01/2024 11 PM PST             2.1            101         0              Normal
  03/02/2024 12 AM PST             2.1            101         0              Normal
  03/02/2024 01 AM PST             2.0             99         -              Normal
  03/02/2024 02 AM PST             2.0             99         0              Normal
  03/02/2024 03 AM PST             2.0             98         -              Normal
  03/02/2024 04 AM PST             2.0             98         0              Normal
  03/02/2024 05 AM PST             2.0             98         0              Normal
  03/02/2024 06 AM PST             2.0             96         -              Normal
  03/02/2024 07 AM PST             2.0             96         0              Normal
  03/02/2024 08 AM PST             2.0             95         -              Normal
  03/02/2024 09 AM PST             2.0             95         0              Normal
  03/02/2024 10 AM PST             2.0             93         -              Normal
  03/02/2024 11 AM PST             2.0             93         0              Normal
  03/02/2024 12 PM PST             2.0             92         -              Normal
  03/02/2024 01 PM PST             2.0             92         0              Normal
  03/02/2024 02 PM PST             2.0             92         0              Normal
  03/02/2024 03 PM PST             2.0             92         0              Normal
  03/02/2024 04 PM PST             2.0             92         0              Normal
  03/02/2024 05 PM PST             2.0             92         0              Normal
  03/02/2024 06 PM PST             2.0             92         0              Normal
  03/02/2024 07 PM PST             2.0             92         0              Normal
  03/02/2024 08 PM PST             2.0             90         -              Normal
  03/02/2024 09 PM PST             2.0             90         0              Normal
  03/02/2024 10 PM PST             2.0             90         0              Normal
  03/02/2024 11 PM PST             2.0             90         0              Normal
  03/03/2024 12 AM PST             2.0             90         0              Normal
  03/03/2024 01 AM PST             2.0             89         -              Normal
  03/03/2024 02 AM PST             2.0             89         0              Normal
  03/03/2024 03 AM PST             2.0             89         0              Normal
  03/03/2024 04 AM PST             2.0             89         0              Normal
  03/03/2024 05 AM PST             2.0             88         -              Normal
  03/03/2024 06 AM PST             2.0             88         0              Normal
  03/03/2024 07 AM PST             2.0             86         -              Normal
  03/03/2024 08 AM PST             2.0             86         0              Normal
  03/03/2024 09 AM PST             2.0             86         0              Normal
  03/03/2024 10 AM PST             1.9             85         -              Normal
  03/03/2024 11 AM PST             1.9             85         0              Normal
  03/03/2024 12 PM PST             1.9             84         -              Normal
  03/03/2024 01 PM PST             1.9             84         0              Normal
  03/03/2024 02 PM PST             1.9             84         0              Normal
  03/03/2024 03 PM PST             1.9             84         0              Normal
  03/03/2024 04 PM PST             1.9             84         0              Normal
  03/03/2024 05 PM PST             1.9             84         0              Normal
  03/03/2024 06 PM PST             1.9             84         0              Normal
  03/03/2024 07 PM PST             1.9             84         0              Normal
  03/03/2024 08 PM PST             1.9             84         0              Normal
  03/03/2024 09 PM PST             1.9             84         0              Normal
  03/03/2024 10 PM PST             1.9             83         -              Normal
  03/03/2024 11 PM PST             1.9             83         0              Normal
  03/04/2024 12 AM PST             1.9             83         0              Normal
  03/04/2024 01 AM PST             1.9             83         0              Normal
  03/04/2024 02 AM PST             1.9             81         -              Normal
  03/04/2024 03 AM PST             1.9             81         0              Normal
  03/04/2024 04 AM PST             1.9             81         0              Normal
  03/04/2024 05 AM PST             1.9             81         0              Normal
  03/04/2024 06 AM PST             1.9             80         -              Normal
  03/04/2024 07 AM PST             1.9             80         0              Normal
  03/04/2024 08 AM PST             1.9             79         -              Normal
  03/04/2024 09 AM PST             1.9             79         0              Normal
  03/04/2024 10 AM PST             1.9             79         0              Normal
  03/04/2024 11 AM PST             1.9             78         -              Normal
  03/04/2024 12 PM PST             1.9             78         0              Normal
  03/04/2024 01 PM PST             1.9             77         -              Normal
  03/04/2024 02 PM PST             1.9             77         0              Normal
  03/04/2024 03 PM PST             1.9             77         0              Normal
  03/04/2024 04 PM PST             1.9             77         0              Normal
  03/04/2024 05 PM PST             1.9             77         0              Normal
  03/04/2024 06 PM PST             1.9             77         0              Normal
  03/04/2024 07 PM PST             1.9             77         0              Normal
  03/04/2024 08 PM PST             1.9             77         0              Normal
  03/04/2024 09 PM PST             1.9             77         0              Normal
  03/04/2024 10 PM PST             1.9             77         0              Normal
  03/04/2024 11 PM PST             1.9             77         0              Normal
  03/05/2024 12 AM PST             1.9             75         -              Normal
  03/05/2024 01 AM PST             1.9             75         0              Normal
  03/05/2024 02 AM PST             1.9             75         0              Normal
  03/05/2024 03 AM PST             1.9             75         0              Normal
  03/05/2024 04 AM PST             1.9             74         -              Normal
  03/05/2024 05 AM PST             1.9             74         0              Normal
  03/05/2024 06 AM PST             1.9             74         0              Normal
  03/05/2024 07 AM PST             1.9             73         -              Normal
  03/05/2024 08 AM PST             1.9             73         0              Normal
  03/05/2024 09 AM PST             1.9             73         0              Normal
  03/05/2024 10 AM PST             1.8             72         -              Normal
  03/05/2024 11 AM PST             1.8             72         0              Normal
  03/05/2024 12 PM PST             1.8             71         -              Normal
  03/05/2024 01 PM PST             1.8             71         0              Normal
  03/05/2024 02 PM PST             1.8             71         0              Normal
  03/05/2024 03 PM PST             1.8             71         0              Normal
  03/05/2024 04 PM PST             1.8             71         0              Normal
  03/05/2024 05 PM PST             1.8             71         0              Normal
  03/05/2024 06 PM PST             1.8             71         0              Normal
  03/05/2024 07 PM PST             1.8             71         0              Normal
  03/05/2024 08 PM PST             1.8             71         0              Normal
  03/05/2024 09 PM PST             1.8             71         0              Normal
  03/05/2024 10 PM PST             1.8             71         0              Normal
  03/05/2024 11 PM PST             1.8             71         0              Normal
  03/06/2024 12 AM PST             1.8             70         -              Normal
  03/06/2024 01 AM PST             1.8             70         0              Normal
  03/06/2024 02 AM PST             1.8             70         0              Normal
  03/06/2024 03 AM PST             1.8             70         0              Normal
  03/06/2024 04 AM PST             1.8             69         -              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.