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: Apr 22 2024 at 8:17 AM PDTNext Issuance: Apr 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:  04/22/2024 at 08:17 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/21/2024 at 10:00 PM PDT
# Maximum Observed Stage:                       5.8 Feet
# Maximum Observed Flow:                        2045 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/23/2024 at 02:00 AM PDT
# Maximum Forecast Stage:                       6.0 Feet
# Maximum Forecast Flow:                        2168 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/17/2024 08 AM PDT             4.0            815                        Normal
  04/17/2024 09 AM PDT             4.0            800         -              Normal
  04/17/2024 10 AM PDT             4.0            800         0              Normal
  04/17/2024 11 AM PDT             4.0            774         -              Normal
  04/17/2024 12 PM PDT             4.0            789         +              Normal
  04/17/2024 01 PM PDT             4.0            774         -              Normal
  04/17/2024 02 PM PDT             3.9            764         -              Normal
  04/17/2024 03 PM PDT             4.0            774         +              Normal
  04/17/2024 04 PM PDT             4.0            805         +              Normal
  04/17/2024 05 PM PDT             4.1            841         +              Normal
  04/17/2024 06 PM PDT             4.2            879         +              Normal
  04/17/2024 07 PM PDT             4.3            939         +              Normal
  04/17/2024 08 PM PDT             4.4           1013         +              Normal
  04/17/2024 09 PM PDT             4.4           1031         +              Normal
  04/17/2024 10 PM PDT             4.5           1073         +              Normal
  04/17/2024 11 PM PDT             4.5           1085         +              Normal
  04/18/2024 12 AM PDT             4.5           1085         0              Normal
  04/18/2024 01 AM PDT             4.5           1085         0              Normal
  04/18/2024 02 AM PDT             4.5           1049         -              Normal
  04/18/2024 03 AM PDT             4.5           1049         0              Normal
  04/18/2024 04 AM PDT             4.4           1037         -              Normal
  04/18/2024 05 AM PDT             4.4           1037         0              Normal
  04/18/2024 06 AM PDT             4.4           1008         -              Normal
  04/18/2024 07 AM PDT             4.3            973         -              Normal
  04/18/2024 08 AM PDT             4.3            979         +              Normal
  04/18/2024 09 AM PDT             4.3            933         -              Normal
  04/18/2024 10 AM PDT             4.3            945         +              Normal
  04/18/2024 11 AM PDT             4.2            922         -              Normal
  04/18/2024 12 PM PDT             4.2            906         -              Normal
  04/18/2024 01 PM PDT             4.2            879         -              Normal
  04/18/2024 02 PM PDT             4.2            873         -              Normal
  04/18/2024 03 PM PDT             4.2            889         +              Normal
  04/18/2024 04 PM PDT             4.2            917         +              Normal
  04/18/2024 05 PM PDT             4.4            990         +              Normal
  04/18/2024 06 PM PDT             4.5           1061         +              Normal
  04/18/2024 07 PM PDT             4.6           1128         +              Normal
  04/18/2024 08 PM PDT             4.7           1178         +              Normal
  04/18/2024 09 PM PDT             4.8           1229         +              Normal
  04/18/2024 10 PM PDT             4.8           1262         +              Normal
  04/18/2024 11 PM PDT             4.8           1269         +              Normal
  04/19/2024 12 AM PDT             4.8           1275         +              Normal
  04/19/2024 01 AM PDT             4.8           1282         +              Normal
  04/19/2024 02 AM PDT             4.9           1302         +              Normal
  04/19/2024 03 AM PDT             4.8           1262         -              Normal
  04/19/2024 04 AM PDT             4.8           1256         -              Normal
  04/19/2024 05 AM PDT             4.8           1229         -              Normal
  04/19/2024 06 AM PDT             4.7           1210         -              Normal
  04/19/2024 07 AM PDT             4.7           1178         -              Normal
  04/19/2024 08 AM PDT             4.7           1197         +              Normal
  04/19/2024 09 AM PDT             4.6           1128         -              Normal
  04/19/2024 10 AM PDT             4.6           1109         -              Normal
  04/19/2024 11 AM PDT             4.6           1115         +              Normal
  04/19/2024 12 PM PDT             4.5           1097         -              Normal
  04/19/2024 01 PM PDT             4.5           1055         -              Normal
  04/19/2024 02 PM PDT             4.5           1079         +              Normal
  04/19/2024 03 PM PDT             4.5           1049         -              Normal
  04/19/2024 04 PM PDT             4.5           1085         +              Normal
  04/19/2024 05 PM PDT             4.6           1146         +              Normal
  04/19/2024 06 PM PDT             4.7           1223         +              Normal
  04/19/2024 07 PM PDT             4.9           1322         +              Normal
  04/19/2024 08 PM PDT             5.0           1377         +              Normal
  04/19/2024 09 PM PDT             5.0           1419         +              Normal
  04/19/2024 10 PM PDT             5.1           1483         +              Normal
  04/19/2024 11 PM PDT             5.1           1476         -              Normal
  04/20/2024 12 AM PDT             5.2           1512         +              Normal
  04/20/2024 01 AM PDT             5.1           1483         -              Normal
  04/20/2024 02 AM PDT             5.1           1454         -              Normal
  04/20/2024 03 AM PDT             5.1           1454         0              Normal
  04/20/2024 04 AM PDT             5.0           1433         -              Normal
  04/20/2024 05 AM PDT             5.0           1391         -              Normal
  04/20/2024 06 AM PDT             5.0           1384         -              Normal
  04/20/2024 07 AM PDT             4.9           1329         -              Normal
  04/20/2024 08 AM PDT             4.9           1322         -              Normal
  04/20/2024 09 AM PDT             4.9           1309         -              Normal
  04/20/2024 10 AM PDT             4.8           1282         -              Normal
  04/20/2024 11 AM PDT             4.8           1236         -              Normal
  04/20/2024 12 PM PDT             4.7           1204         -              Normal
  04/20/2024 01 PM PDT             4.7           1178         -              Normal
  04/20/2024 02 PM PDT             4.7           1178         0              Normal
  04/20/2024 03 PM PDT             4.7           1165         -              Normal
  04/20/2024 04 PM PDT             4.7           1216         +              Normal
  04/20/2024 05 PM PDT             4.8           1249         +              Normal
  04/20/2024 06 PM PDT             4.9           1329         +              Normal
  04/20/2024 07 PM PDT             5.0           1412         +              Normal
  04/20/2024 08 PM PDT             5.2           1512         +              Normal
  04/20/2024 09 PM PDT             5.2           1556         +              Normal
  04/20/2024 10 PM PDT             5.3           1624         +              Normal
  04/20/2024 11 PM PDT             5.3           1647         +              Normal
  04/21/2024 12 AM PDT             5.3           1647         0              Normal
  04/21/2024 01 AM PDT             5.3           1616         -              Normal
  04/21/2024 02 AM PDT             5.2           1571         -              Normal
  04/21/2024 03 AM PDT             5.2           1564         -              Normal
  04/21/2024 04 AM PDT             5.2           1549         -              Normal
  04/21/2024 05 AM PDT             5.2           1549         0              Normal
  04/21/2024 06 AM PDT             5.1           1476         -              Normal
  04/21/2024 07 AM PDT             5.1           1440         -              Normal
  04/21/2024 08 AM PDT             5.0           1412         -              Normal
  04/21/2024 09 AM PDT             5.0           1391         -              Normal
  04/21/2024 10 AM PDT             4.9           1350         -              Normal
  04/21/2024 11 AM PDT             4.9           1336         -              Normal
  04/21/2024 12 PM PDT             4.9           1316         -              Normal
  04/21/2024 01 PM PDT             4.8           1262         -              Normal
  04/21/2024 02 PM PDT             4.8           1295         +              Normal
  04/21/2024 03 PM PDT             4.9           1302         +              Normal
  04/21/2024 04 PM PDT             5.0           1377         +              Normal
  04/21/2024 05 PM PDT             5.1           1490         +              Normal
  04/21/2024 06 PM PDT             5.3           1624         +              Normal
  04/21/2024 07 PM PDT             5.5           1780         +              Normal
  04/21/2024 08 PM PDT             5.7           1910         +              Normal
  04/21/2024 09 PM PDT             5.8           1977         +              Normal
  04/21/2024 10 PM PDT             5.8           2045         +              Normal
  04/21/2024 11 PM PDT             5.8           2020         -              Normal
  04/22/2024 12 AM PDT             5.8           2002         -              Normal
  04/22/2024 01 AM PDT             5.8           1994         -              Normal
  04/22/2024 02 AM PDT             5.7           1952         -              Normal
  04/22/2024 03 AM PDT             5.7           1960         +              Normal
  04/22/2024 04 AM PDT             5.6           1877         -              Normal
  04/22/2024 05 AM PDT             5.6           1869         -              Normal
  04/22/2024 06 AM PDT             5.6           1860         -              Normal
  04/22/2024 07 AM PDT             5.6           1828         -              Normal
  04/22/2024 08 AM PDT             5.5           1804         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/22/2024 09 AM PDT             5.5           1796                        Normal
  04/22/2024 10 AM PDT             5.5           1756         -              Normal
  04/22/2024 11 AM PDT             5.5           1748         -              Normal
  04/22/2024 12 PM PDT             5.4           1709         -              Normal
  04/22/2024 01 PM PDT             5.4           1701         -              Normal
  04/22/2024 02 PM PDT             5.4           1670         -              Normal
  04/22/2024 03 PM PDT             5.3           1639         -              Normal
  04/22/2024 04 PM PDT             5.3           1639         0              Normal
  04/22/2024 05 PM PDT             5.4           1670         +              Normal
  04/22/2024 06 PM PDT             5.5           1740         +              Normal
  04/22/2024 07 PM PDT             5.5           1812         +              Normal
  04/22/2024 08 PM PDT             5.7           1910         +              Normal
  04/22/2024 09 PM PDT             5.8           1985         +              Normal
  04/22/2024 10 PM PDT             5.9           2080         +              Normal
  04/22/2024 11 PM PDT             5.9           2124         +              Normal
  04/23/2024 12 AM PDT             5.9           2142         +              Normal
  04/23/2024 01 AM PDT             6.0           2159         +              Normal
  04/23/2024 02 AM PDT             6.0           2168         +              Normal
  04/23/2024 03 AM PDT             6.0           2159         -              Normal
  04/23/2024 04 AM PDT             6.0           2150         -              Normal
  04/23/2024 05 AM PDT             5.9           2142         -              Normal
  04/23/2024 06 AM PDT             5.9           2098         -              Normal
  04/23/2024 07 AM PDT             5.8           2028         -              Normal
  04/23/2024 08 AM PDT             5.7           1969         -              Normal
  04/23/2024 09 AM PDT             5.7           1927         -              Normal
  04/23/2024 10 AM PDT             5.6           1852         -              Normal
  04/23/2024 11 AM PDT             5.5           1812         -              Normal
  04/23/2024 12 PM PDT             5.5           1732         -              Normal
  04/23/2024 01 PM PDT             5.4           1685         -              Normal
  04/23/2024 02 PM PDT             5.3           1639         -              Normal
  04/23/2024 03 PM PDT             5.3           1594         -              Normal
  04/23/2024 04 PM PDT             5.2           1571         -              Normal
  04/23/2024 05 PM PDT             5.2           1579         +              Normal
  04/23/2024 06 PM PDT             5.3           1624         +              Normal
  04/23/2024 07 PM PDT             5.4           1670         +              Normal
  04/23/2024 08 PM PDT             5.5           1740         +              Normal
  04/23/2024 09 PM PDT             5.5           1788         +              Normal
  04/23/2024 10 PM PDT             5.6           1844         +              Normal
  04/23/2024 11 PM PDT             5.6           1860         +              Normal
  04/24/2024 12 AM PDT             5.6           1869         +              Normal
  04/24/2024 01 AM PDT             5.6           1877         +              Normal
  04/24/2024 02 AM PDT             5.6           1869         -              Normal
  04/24/2024 03 AM PDT             5.6           1852         -              Normal
  04/24/2024 04 AM PDT             5.6           1836         -              Normal
  04/24/2024 05 AM PDT             5.6           1820         -              Normal
  04/24/2024 06 AM PDT             5.5           1780         -              Normal
  04/24/2024 07 AM PDT             5.5           1732         -              Normal
  04/24/2024 08 AM PDT             5.4           1677         -              Normal
  04/24/2024 09 AM PDT             5.3           1639         -              Normal
  04/24/2024 10 AM PDT             5.2           1579         -              Normal
  04/24/2024 11 AM PDT             5.2           1542         -              Normal
  04/24/2024 12 PM PDT             5.1           1490         -              Normal
  04/24/2024 01 PM PDT             5.1           1454         -              Normal
  04/24/2024 02 PM PDT             5.0           1419         -              Normal
  04/24/2024 03 PM PDT             5.0           1391         -              Normal
  04/24/2024 04 PM PDT             5.0           1377         -              Normal
  04/24/2024 05 PM PDT             5.0           1384         +              Normal
  04/24/2024 06 PM PDT             5.0           1426         +              Normal
  04/24/2024 07 PM PDT             5.1           1469         +              Normal
  04/24/2024 08 PM PDT             5.2           1527         +              Normal
  04/24/2024 09 PM PDT             5.2           1564         +              Normal
  04/24/2024 10 PM PDT             5.3           1616         +              Normal
  04/24/2024 11 PM PDT             5.3           1631         +              Normal
  04/25/2024 12 AM PDT             5.3           1647         +              Normal
  04/25/2024 01 AM PDT             5.4           1662         +              Normal
  04/25/2024 02 AM PDT             5.4           1662         0              Normal
  04/25/2024 03 AM PDT             5.3           1654         -              Normal
  04/25/2024 04 AM PDT             5.3           1647         -              Normal
  04/25/2024 05 AM PDT             5.3           1647         0              Normal
  04/25/2024 06 AM PDT             5.3           1616         -              Normal
  04/25/2024 07 AM PDT             5.2           1571         -              Normal
  04/25/2024 08 AM PDT             5.2           1534         -              Normal
  04/25/2024 09 AM PDT             5.2           1505         -              Normal
  04/25/2024 10 AM PDT             5.1           1462         -              Normal
  04/25/2024 11 AM PDT             5.0           1433         -              Normal
  04/25/2024 12 PM PDT             5.0           1384         -              Normal
  04/25/2024 01 PM PDT             4.9           1350         -              Normal
  04/25/2024 02 PM PDT             4.9           1322         -              Normal
  04/25/2024 03 PM PDT             4.8           1289         -              Normal
  04/25/2024 04 PM PDT             4.8           1275         -              Normal
  04/25/2024 05 PM PDT             4.8           1275         0              Normal
  04/25/2024 06 PM PDT             4.9           1302         +              Normal
  04/25/2024 07 PM PDT             4.9           1329         +              Normal
  04/25/2024 08 PM PDT             5.0           1370         +              Normal
  04/25/2024 09 PM PDT             5.0           1391         +              Normal
  04/25/2024 10 PM PDT             5.0           1426         +              Normal
  04/25/2024 11 PM PDT             5.0           1433         +              Normal
  04/26/2024 12 AM PDT             5.1           1440         +              Normal
  04/26/2024 01 AM PDT             5.1           1440         0              Normal
  04/26/2024 02 AM PDT             5.0           1433         -              Normal
  04/26/2024 03 AM PDT             5.0           1426         -              Normal
  04/26/2024 04 AM PDT             5.0           1412         -              Normal
  04/26/2024 05 AM PDT             5.0           1398         -              Normal
  04/26/2024 06 AM PDT             5.0           1363         -              Normal
  04/26/2024 07 AM PDT             4.9           1322         -              Normal
  04/26/2024 08 AM PDT             4.8           1275         -              Normal
  04/26/2024 09 AM PDT             4.8           1242         -              Normal
  04/26/2024 10 AM PDT             4.7           1197         -              Normal
  04/26/2024 11 AM PDT             4.7           1165         -              Normal
  04/26/2024 12 PM PDT             4.6           1128         -              Normal
  04/26/2024 01 PM PDT             4.6           1109         -              Normal
  04/26/2024 02 PM PDT             4.5           1091         -              Normal
  04/26/2024 03 PM PDT             4.5           1067         -              Normal
  04/26/2024 04 PM PDT             4.5           1061         -              Normal
  04/26/2024 05 PM PDT             4.5           1061         0              Normal
  04/26/2024 06 PM PDT             4.5           1085         +              Normal
  04/26/2024 07 PM PDT             4.5           1103         +              Normal
  04/26/2024 08 PM PDT             4.6           1134         +              Normal
  04/26/2024 09 PM PDT             4.6           1146         +              Normal
  04/26/2024 10 PM PDT             4.7           1172         +              Normal
  04/26/2024 11 PM PDT             4.7           1178         +              Normal
  04/27/2024 12 AM PDT             4.7           1178         0              Normal
  04/27/2024 01 AM PDT             4.7           1172         -              Normal
  04/27/2024 02 AM PDT             4.7           1172         0              Normal
  04/27/2024 03 AM PDT             4.6           1159         -              Normal
  04/27/2024 04 AM PDT             4.6           1153         -              Normal
  04/27/2024 05 AM PDT             4.6           1146         -              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.