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 CaliforniaRiver Group: San Joaquin
Issuance Time: Mar 05 2021 at 7:56 AM PSTNext Issuance: Mar 05 2021 at 3:00 PM PST
Monitor Stage: N/A Flood Stage: 8.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Happy Isles (HPIC1)
#
# File Generation Time:  03/05/2021 at 07:56 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/02/2021 at 11:00 PM PST
# Maximum Observed Stage:                       1.7 Feet
# Maximum Observed Flow:                        63 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/08/2021 at 03:00 AM PST
# Maximum Forecast Stage:                       1.7 Feet
# Maximum Forecast Flow:                        68 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/28/2021 07 AM PST             1.6             58                        Normal
  02/28/2021 08 AM PST             1.6             57         -              Normal
  02/28/2021 09 AM PST             1.6             55         -              Normal
  02/28/2021 10 AM PST             1.6             53         -              Normal
  02/28/2021 11 AM PST             1.6             52         -              Normal
  02/28/2021 12 PM PST             1.6             56         +              Normal
  02/28/2021 01 PM PST             1.7             62         +              Normal
  02/28/2021 02 PM PST             1.6             60         -              Normal
  02/28/2021 03 PM PST             1.6             59         -              Normal
  02/28/2021 04 PM PST             1.6             59         0              Normal
  02/28/2021 05 PM PST             1.7             61         +              Normal
  02/28/2021 06 PM PST             1.6             60         -              Normal
  02/28/2021 07 PM PST             1.6             60         0              Normal
  02/28/2021 08 PM PST             1.7             61         +              Normal
  02/28/2021 09 PM PST             1.7             62         +              Normal
  02/28/2021 10 PM PST             1.7             62         0              Normal
  02/28/2021 11 PM PST             1.7             62         0              Normal
  03/01/2021 12 AM PST             1.7             62         0              Normal
  03/01/2021 01 AM PST             1.7             61         -              Normal
  03/01/2021 02 AM PST             1.7             61         0              Normal
  03/01/2021 03 AM PST             1.6             60         -              Normal
  03/01/2021 04 AM PST             1.6             60         0              Normal
  03/01/2021 05 AM PST             1.6             60         0              Normal
  03/01/2021 06 AM PST             1.6             60         0              Normal
  03/01/2021 07 AM PST             1.6             60         0              Normal
  03/01/2021 08 AM PST             1.6             59         -              Normal
  03/01/2021 09 AM PST             1.6             59         0              Normal
  03/01/2021 10 AM PST             1.6             58         -              Normal
  03/01/2021 11 AM PST             1.6             59         +              Normal
  03/01/2021 12 PM PST             1.6             59         0              Normal
  03/01/2021 01 PM PST             1.6             59         0              Normal
  03/01/2021 02 PM PST             1.6             58         -              Normal
  03/01/2021 03 PM PST             1.6             58         0              Normal
  03/01/2021 04 PM PST             1.6             58         0              Normal
  03/01/2021 05 PM PST             1.6             58         0              Normal
  03/01/2021 06 PM PST             1.6             58         0              Normal
  03/01/2021 07 PM PST             1.6             58         0              Normal
  03/01/2021 08 PM PST             1.6             60         +              Normal
  03/01/2021 09 PM PST             1.7             61         +              Normal
  03/01/2021 10 PM PST             1.7             62         +              Normal
  03/01/2021 11 PM PST             1.7             62         0              Normal
  03/02/2021 12 AM PST             1.7             62         0              Normal
  03/02/2021 01 AM PST             1.7             62         0              Normal
  03/02/2021 02 AM PST             1.7             62         0              Normal
  03/02/2021 03 AM PST             1.7             62         0              Normal
  03/02/2021 04 AM PST             1.7             61         -              Normal
  03/02/2021 05 AM PST             1.7             61         0              Normal
  03/02/2021 06 AM PST             1.7             61         0              Normal
  03/02/2021 07 AM PST             1.7             61         0              Normal
  03/02/2021 08 AM PST             1.6             60         -              Normal
  03/02/2021 09 AM PST             1.6             59         -              Normal
  03/02/2021 10 AM PST             1.6             59         0              Normal
  03/02/2021 11 AM PST             1.6             59         0              Normal
  03/02/2021 12 PM PST             1.6             59         0              Normal
  03/02/2021 01 PM PST             1.6             60         +              Normal
  03/02/2021 02 PM PST             1.6             59         -              Normal
  03/02/2021 03 PM PST             1.6             59         0              Normal
  03/02/2021 04 PM PST             1.6             59         0              Normal
  03/02/2021 05 PM PST             1.6             58         -              Normal
  03/02/2021 06 PM PST             1.6             59         +              Normal
  03/02/2021 07 PM PST             1.6             60         +              Normal
  03/02/2021 08 PM PST             1.7             61         +              Normal
  03/02/2021 09 PM PST             1.7             62         +              Normal
  03/02/2021 10 PM PST             1.7             62         0              Normal
  03/02/2021 11 PM PST             1.7             63         +              Normal
  03/03/2021 12 AM PST             1.7             62         -              Normal
  03/03/2021 01 AM PST             1.7             62         0              Normal
  03/03/2021 02 AM PST             1.7             62         0              Normal
  03/03/2021 03 AM PST             1.7             61         -              Normal
  03/03/2021 04 AM PST             1.7             61         0              Normal
  03/03/2021 05 AM PST             1.7             61         0              Normal
  03/03/2021 06 AM PST             1.7             61         0              Normal
  03/03/2021 07 AM PST             1.7             61         0              Normal
  03/03/2021 08 AM PST             1.6             60         -              Normal
  03/03/2021 09 AM PST             1.6             60         0              Normal
  03/03/2021 10 AM PST             1.6             60         0              Normal
  03/03/2021 11 AM PST             1.6             60         0              Normal
  03/03/2021 12 PM PST             1.6             60         0              Normal
  03/03/2021 01 PM PST             1.6             59         -              Normal
  03/03/2021 02 PM PST             1.6             59         0              Normal
  03/03/2021 03 PM PST             1.6             59         0              Normal
  03/03/2021 04 PM PST             1.6             58         -              Normal
  03/03/2021 05 PM PST             1.6             59         +              Normal
  03/03/2021 06 PM PST             1.6             59         0              Normal
  03/03/2021 07 PM PST             1.6             59         0              Normal
  03/03/2021 08 PM PST             1.6             60         +              Normal
  03/03/2021 09 PM PST             1.6             60         0              Normal
  03/03/2021 10 PM PST             1.6             60         0              Normal
  03/03/2021 11 PM PST             1.6             59         -              Normal
  03/04/2021 12 AM PST             1.6             59         0              Normal
  03/04/2021 01 AM PST             1.6             59         0              Normal
  03/04/2021 02 AM PST             1.6             58         -              Normal
  03/04/2021 03 AM PST             1.6             58         0              Normal
  03/04/2021 04 AM PST             1.6             58         0              Normal
  03/04/2021 05 AM PST             1.6             57         -              Normal
  03/04/2021 06 AM PST             1.6             57         0              Normal
  03/04/2021 07 AM PST             1.6             56         -              Normal
  03/04/2021 08 AM PST             1.6             56         0              Normal
  03/04/2021 09 AM PST             1.6             56         0              Normal
  03/04/2021 10 AM PST             1.6             56         0              Normal
  03/04/2021 11 AM PST             1.6             55         -              Normal
  03/04/2021 12 PM PST             1.6             55         0              Normal
  03/04/2021 01 PM PST             1.6             54         -              Normal
  03/04/2021 02 PM PST             1.6             54         0              Normal
  03/04/2021 03 PM PST             1.6             54         0              Normal
  03/04/2021 04 PM PST             1.6             54         0              Normal
  03/04/2021 05 PM PST             1.6             53         -              Normal
  03/04/2021 06 PM PST             1.6             53         0              Normal
  03/04/2021 07 PM PST             1.6             54         +              Normal
  03/04/2021 08 PM PST             1.6             54         0              Normal
  03/04/2021 09 PM PST             1.6             56         +              Normal
  03/04/2021 10 PM PST             1.6             56         0              Normal
  03/04/2021 11 PM PST             1.6             58         +              Normal
  03/05/2021 12 AM PST             1.6             58         0              Normal
  03/05/2021 01 AM PST             1.6             58         0              Normal
  03/05/2021 02 AM PST             1.6             58         0              Normal
  03/05/2021 03 AM PST             1.6             57         -              Normal
  03/05/2021 04 AM PST             1.6             57         0              Normal
  03/05/2021 05 AM PST             1.6             56         -              Normal
  03/05/2021 06 AM PST             1.6             57         +              Normal
  03/05/2021 07 AM PST             1.6             57         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/05/2021 08 AM PST             1.6             57                        Normal
  03/05/2021 09 AM PST             1.6             56         -              Normal
  03/05/2021 10 AM PST             1.6             56         0              Normal
  03/05/2021 11 AM PST             1.6             56         0              Normal
  03/05/2021 12 PM PST             1.6             55         -              Normal
  03/05/2021 01 PM PST             1.6             55         0              Normal
  03/05/2021 02 PM PST             1.6             56         +              Normal
  03/05/2021 03 PM PST             1.6             56         0              Normal
  03/05/2021 04 PM PST             1.6             56         0              Normal
  03/05/2021 05 PM PST             1.6             57         +              Normal
  03/05/2021 06 PM PST             1.6             58         +              Normal
  03/05/2021 07 PM PST             1.6             59         +              Normal
  03/05/2021 08 PM PST             1.6             60         +              Normal
  03/05/2021 09 PM PST             1.7             61         +              Normal
  03/05/2021 10 PM PST             1.7             63         +              Normal
  03/05/2021 11 PM PST             1.7             64         +              Normal
  03/06/2021 12 AM PST             1.7             64         0              Normal
  03/06/2021 01 AM PST             1.7             65         +              Normal
  03/06/2021 02 AM PST             1.7             65         0              Normal
  03/06/2021 03 AM PST             1.7             67         +              Normal
  03/06/2021 04 AM PST             1.7             67         0              Normal
  03/06/2021 05 AM PST             1.7             67         0              Normal
  03/06/2021 06 AM PST             1.7             67         0              Normal
  03/06/2021 07 AM PST             1.7             67         0              Normal
  03/06/2021 08 AM PST             1.7             65         -              Normal
  03/06/2021 09 AM PST             1.7             65         0              Normal
  03/06/2021 10 AM PST             1.7             64         -              Normal
  03/06/2021 11 AM PST             1.7             64         0              Normal
  03/06/2021 12 PM PST             1.7             63         -              Normal
  03/06/2021 01 PM PST             1.7             63         0              Normal
  03/06/2021 02 PM PST             1.7             63         0              Normal
  03/06/2021 03 PM PST             1.7             63         0              Normal
  03/06/2021 04 PM PST             1.7             62         -              Normal
  03/06/2021 05 PM PST             1.7             62         0              Normal
  03/06/2021 06 PM PST             1.7             63         +              Normal
  03/06/2021 07 PM PST             1.7             63         0              Normal
  03/06/2021 08 PM PST             1.7             63         0              Normal
  03/06/2021 09 PM PST             1.7             63         0              Normal
  03/06/2021 10 PM PST             1.7             64         +              Normal
  03/06/2021 11 PM PST             1.7             64         0              Normal
  03/07/2021 12 AM PST             1.7             64         0              Normal
  03/07/2021 01 AM PST             1.7             64         0              Normal
  03/07/2021 02 AM PST             1.7             65         +              Normal
  03/07/2021 03 AM PST             1.7             65         0              Normal
  03/07/2021 04 AM PST             1.7             65         0              Normal
  03/07/2021 05 AM PST             1.7             65         0              Normal
  03/07/2021 06 AM PST             1.7             65         0              Normal
  03/07/2021 07 AM PST             1.7             64         -              Normal
  03/07/2021 08 AM PST             1.7             64         0              Normal
  03/07/2021 09 AM PST             1.7             63         -              Normal
  03/07/2021 10 AM PST             1.7             63         0              Normal
  03/07/2021 11 AM PST             1.7             62         -              Normal
  03/07/2021 12 PM PST             1.7             62         0              Normal
  03/07/2021 01 PM PST             1.7             62         0              Normal
  03/07/2021 02 PM PST             1.7             61         -              Normal
  03/07/2021 03 PM PST             1.7             61         0              Normal
  03/07/2021 04 PM PST             1.7             61         0              Normal
  03/07/2021 05 PM PST             1.7             62         +              Normal
  03/07/2021 06 PM PST             1.7             62         0              Normal
  03/07/2021 07 PM PST             1.7             63         +              Normal
  03/07/2021 08 PM PST             1.7             63         0              Normal
  03/07/2021 09 PM PST             1.7             64         +              Normal
  03/07/2021 10 PM PST             1.7             65         +              Normal
  03/07/2021 11 PM PST             1.7             65         0              Normal
  03/08/2021 12 AM PST             1.7             67         +              Normal
  03/08/2021 01 AM PST             1.7             67         0              Normal
  03/08/2021 02 AM PST             1.7             67         0              Normal
  03/08/2021 03 AM PST             1.7             68         +              Normal
  03/08/2021 04 AM PST             1.7             68         0              Normal
  03/08/2021 05 AM PST             1.7             68         0              Normal
  03/08/2021 06 AM PST             1.7             67         -              Normal
  03/08/2021 07 AM PST             1.7             67         0              Normal
  03/08/2021 08 AM PST             1.7             67         0              Normal
  03/08/2021 09 AM PST             1.7             65         -              Normal
  03/08/2021 10 AM PST             1.7             65         0              Normal
  03/08/2021 11 AM PST             1.7             64         -              Normal
  03/08/2021 12 PM PST             1.7             63         -              Normal
  03/08/2021 01 PM PST             1.7             63         0              Normal
  03/08/2021 02 PM PST             1.7             63         0              Normal
  03/08/2021 03 PM PST             1.7             63         0              Normal
  03/08/2021 04 PM PST             1.7             63         0              Normal
  03/08/2021 05 PM PST             1.7             62         -              Normal
  03/08/2021 06 PM PST             1.7             62         0              Normal
  03/08/2021 07 PM PST             1.7             62         0              Normal
  03/08/2021 08 PM PST             1.7             62         0              Normal
  03/08/2021 09 PM PST             1.7             62         0              Normal
  03/08/2021 10 PM PST             1.7             62         0              Normal
  03/08/2021 11 PM PST             1.7             62         0              Normal
  03/09/2021 12 AM PST             1.7             61         -              Normal
  03/09/2021 01 AM PST             1.7             61         0              Normal
  03/09/2021 02 AM PST             1.6             60         -              Normal
  03/09/2021 03 AM PST             1.6             60         0              Normal
  03/09/2021 04 AM PST             1.6             60         0              Normal
  03/09/2021 05 AM PST             1.6             59         -              Normal
  03/09/2021 06 AM PST             1.6             59         0              Normal
  03/09/2021 07 AM PST             1.6             58         -              Normal
  03/09/2021 08 AM PST             1.6             58         0              Normal
  03/09/2021 09 AM PST             1.6             57         -              Normal
  03/09/2021 10 AM PST             1.6             57         0              Normal
  03/09/2021 11 AM PST             1.6             57         0              Normal
  03/09/2021 12 PM PST             1.6             56         -              Normal
  03/09/2021 01 PM PST             1.6             56         0              Normal
  03/09/2021 02 PM PST             1.6             55         -              Normal
  03/09/2021 03 PM PST             1.6             55         0              Normal
  03/09/2021 04 PM PST             1.6             55         0              Normal
  03/09/2021 05 PM PST             1.6             55         0              Normal
  03/09/2021 06 PM PST             1.6             55         0              Normal
  03/09/2021 07 PM PST             1.6             55         0              Normal
  03/09/2021 08 PM PST             1.6             55         0              Normal
  03/09/2021 09 PM PST             1.6             55         0              Normal
  03/09/2021 10 PM PST             1.6             55         0              Normal
  03/09/2021 11 PM PST             1.6             54         -              Normal
  03/10/2021 12 AM PST             1.6             54         0              Normal
  03/10/2021 01 AM PST             1.6             54         0              Normal
  03/10/2021 02 AM PST             1.6             54         0              Normal
  03/10/2021 03 AM PST             1.6             53         -              Normal
  03/10/2021 04 AM PST             1.6             53         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.