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: May 19 2024 at 8:21 AM PDTNext Issuance: May 20 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:  05/19/2024 at 08:21 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/19/2024 at 12:00 AM PDT
# Maximum Observed Stage:                       6.78 Feet
# Maximum Observed Flow:                        2957 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/19/2024 at 09:00 AM PDT
# Maximum Forecast Stage:                       6.34 Feet
# Maximum Forecast Flow:                        2512 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/14/2024 08 AM PDT            5.87           2080                        Normal
  05/14/2024 09 AM PDT            5.82           2037         -              Normal
  05/14/2024 10 AM PDT            5.69           1927         -              Normal
  05/14/2024 11 AM PDT            5.68           1918         -              Normal
  05/14/2024 12 PM PDT            5.55           1812         -              Normal
  05/14/2024 01 PM PDT            5.56           1820         +              Normal
  05/14/2024 02 PM PDT            5.46           1740         -              Normal
  05/14/2024 03 PM PDT            5.43           1716         -              Normal
  05/14/2024 04 PM PDT            5.43           1716         0              Normal
  05/14/2024 05 PM PDT            5.52           1788         +              Normal
  05/14/2024 06 PM PDT            5.80           2020         +              Normal
  05/14/2024 07 PM PDT            5.91           2115         +              Normal
  05/14/2024 08 PM PDT            6.07           2258         +              Normal
  05/14/2024 09 PM PDT            6.18           2360         +              Normal
  05/14/2024 10 PM PDT            6.31           2483         +              Normal
  05/14/2024 11 PM PDT            6.38           2551         +              Normal
  05/15/2024 12 AM PDT            6.44           2610         +              Normal
  05/15/2024 01 AM PDT            6.42           2590         -              Normal
  05/15/2024 02 AM PDT            6.44           2610         +              Normal
  05/15/2024 03 AM PDT            6.46           2629         +              Normal
  05/15/2024 04 AM PDT            6.43           2600         -              Normal
  05/15/2024 05 AM PDT            6.41           2580         -              Normal
  05/15/2024 06 AM PDT            6.36           2531         -              Normal
  05/15/2024 07 AM PDT            6.29           2464         -              Normal
  05/15/2024 08 AM PDT            6.28           2454         -              Normal
  05/15/2024 09 AM PDT            6.20           2379         -              Normal
  05/15/2024 10 AM PDT            6.12           2304         -              Normal
  05/15/2024 11 AM PDT            6.06           2249         -              Normal
  05/15/2024 12 PM PDT            6.00           2195         -              Normal
  05/15/2024 01 PM PDT            5.91           2115         -              Normal
  05/15/2024 02 PM PDT            5.84           2054         -              Normal
  05/15/2024 03 PM PDT            5.80           2020         -              Normal
  05/15/2024 04 PM PDT            5.79           2011         -              Normal
  05/15/2024 05 PM PDT            5.83           2045         +              Normal
  05/15/2024 06 PM PDT            6.02           2213         +              Normal
  05/15/2024 07 PM PDT            6.18           2360         +              Normal
  05/15/2024 08 PM PDT            6.26           2435         +              Normal
  05/15/2024 09 PM PDT            6.42           2590         +              Normal
  05/15/2024 10 PM PDT            6.52           2689         +              Normal
  05/15/2024 11 PM PDT            6.58           2750         +              Normal
  05/16/2024 12 AM PDT            6.57           2740         -              Normal
  05/16/2024 01 AM PDT            6.62           2791         +              Normal
  05/16/2024 02 AM PDT            6.63           2801         +              Normal
  05/16/2024 03 AM PDT            6.64           2811         +              Normal
  05/16/2024 04 AM PDT            6.59           2760         -              Normal
  05/16/2024 05 AM PDT            6.59           2760         0              Normal
  05/16/2024 06 AM PDT            6.56           2730         -              Normal
  05/16/2024 07 AM PDT            6.50           2669         -              Normal
  05/16/2024 08 AM PDT            6.44           2610         -              Normal
  05/16/2024 09 AM PDT            6.35           2522         -              Normal
  05/16/2024 10 AM PDT            6.24           2416         -              Normal
  05/16/2024 11 AM PDT            6.15           2332         -              Normal
  05/16/2024 12 PM PDT            6.07           2258         -              Normal
  05/16/2024 01 PM PDT            6.02           2213         -              Normal
  05/16/2024 02 PM PDT            5.88           2089         -              Normal
  05/16/2024 03 PM PDT            5.82           2037         -              Normal
  05/16/2024 04 PM PDT            5.78           2002         -              Normal
  05/16/2024 05 PM PDT            5.87           2080         +              Normal
  05/16/2024 06 PM PDT            5.99           2186         +              Normal
  05/16/2024 07 PM PDT            6.12           2304         +              Normal
  05/16/2024 08 PM PDT            6.30           2473         +              Normal
  05/16/2024 09 PM PDT            6.40           2570         +              Normal
  05/16/2024 10 PM PDT            6.55           2719         +              Normal
  05/16/2024 11 PM PDT            6.62           2791         +              Normal
  05/17/2024 12 AM PDT            6.66           2832         +              Normal
  05/17/2024 01 AM PDT            6.72           2894         +              Normal
  05/17/2024 02 AM PDT            6.72           2894         0              Normal
  05/17/2024 03 AM PDT            6.70           2873         -              Normal
  05/17/2024 04 AM PDT            6.69           2863         -              Normal
  05/17/2024 05 AM PDT            6.66           2832         -              Normal
  05/17/2024 06 AM PDT            6.63           2801         -              Normal
  05/17/2024 07 AM PDT            6.60           2770         -              Normal
  05/17/2024 08 AM PDT            6.51           2679         -              Normal
  05/17/2024 09 AM PDT            6.42           2590         -              Normal
  05/17/2024 10 AM PDT            6.37           2541         -              Normal
  05/17/2024 11 AM PDT            6.28           2454         -              Normal
  05/17/2024 12 PM PDT            6.22           2397         -              Normal
  05/17/2024 01 PM PDT            6.09           2277         -              Normal
  05/17/2024 02 PM PDT            6.06           2249         -              Normal
  05/17/2024 03 PM PDT            5.95           2150         -              Normal
  05/17/2024 04 PM PDT            5.91           2115         -              Normal
  05/17/2024 05 PM PDT            5.95           2150         +              Normal
  05/17/2024 06 PM PDT            6.13           2313         +              Normal
  05/17/2024 07 PM PDT            6.26           2435         +              Normal
  05/17/2024 08 PM PDT            6.41           2580         +              Normal
  05/17/2024 09 PM PDT            6.58           2750         +              Normal
  05/17/2024 10 PM PDT            6.61           2781         +              Normal
  05/17/2024 11 PM PDT            6.69           2863         +              Normal
  05/18/2024 12 AM PDT            6.76           2936         +              Normal
  05/18/2024 01 AM PDT            6.72           2894         -              Normal
  05/18/2024 02 AM PDT            6.72           2894         0              Normal
  05/18/2024 03 AM PDT            6.74           2915         +              Normal
  05/18/2024 04 AM PDT            6.66           2832         -              Normal
  05/18/2024 05 AM PDT            6.63           2801         -              Normal
  05/18/2024 06 AM PDT            6.58           2750         -              Normal
  05/18/2024 07 AM PDT            6.51           2679         -              Normal
  05/18/2024 08 AM PDT            6.45           2619         -              Normal
  05/18/2024 09 AM PDT            6.37           2541         -              Normal
  05/18/2024 10 AM PDT            6.30           2473         -              Normal
  05/18/2024 11 AM PDT            6.22           2397         -              Normal
  05/18/2024 12 PM PDT            6.10           2286         -              Normal
  05/18/2024 01 PM PDT            6.06           2249         -              Normal
  05/18/2024 02 PM PDT            6.00           2195         -              Normal
  05/18/2024 03 PM PDT            5.95           2150         -              Normal
  05/18/2024 04 PM PDT            5.94           2142         -              Normal
  05/18/2024 05 PM PDT            6.03           2222         +              Normal
  05/18/2024 06 PM PDT            6.14           2323         +              Normal
  05/18/2024 07 PM PDT            6.32           2493         +              Normal
  05/18/2024 08 PM PDT            6.47           2639         +              Normal
  05/18/2024 09 PM PDT            6.55           2719         +              Normal
  05/18/2024 10 PM PDT            6.66           2832         +              Normal
  05/18/2024 11 PM PDT            6.74           2915         +              Normal
  05/19/2024 12 AM PDT            6.78           2957         +              Normal
  05/19/2024 01 AM PDT            6.76           2936         -              Normal
  05/19/2024 02 AM PDT            6.74           2915         -              Normal
  05/19/2024 03 AM PDT            6.72           2894         -              Normal
  05/19/2024 04 AM PDT            6.68           2853         -              Normal
  05/19/2024 05 AM PDT            6.63           2801         -              Normal
  05/19/2024 06 AM PDT            6.62           2791         -              Normal
  05/19/2024 07 AM PDT            6.53           2699         -              Normal
  05/19/2024 08 AM PDT            6.44           2610         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/19/2024 09 AM PDT            6.34           2512                        Normal
  05/19/2024 10 AM PDT            6.27           2445         -              Normal
  05/19/2024 11 AM PDT            6.16           2341         -              Normal
  05/19/2024 12 PM PDT            6.08           2267         -              Normal
  05/19/2024 01 PM PDT            5.97           2168         -              Normal
  05/19/2024 02 PM PDT            5.89           2098         -              Normal
  05/19/2024 03 PM PDT            5.84           2054         -              Normal
  05/19/2024 04 PM PDT            5.78           2002         -              Normal
  05/19/2024 05 PM PDT            5.83           2045         +              Normal
  05/19/2024 06 PM PDT            5.89           2098         +              Normal
  05/19/2024 07 PM PDT            5.95           2150         +              Normal
  05/19/2024 08 PM PDT            6.05           2240         +              Normal
  05/19/2024 09 PM PDT            6.11           2295         +              Normal
  05/19/2024 10 PM PDT            6.18           2360         +              Normal
  05/19/2024 11 PM PDT            6.21           2388         +              Normal
  05/20/2024 12 AM PDT            6.21           2388         0              Normal
  05/20/2024 01 AM PDT            6.22           2397         +              Normal
  05/20/2024 02 AM PDT            6.23           2407         +              Normal
  05/20/2024 03 AM PDT            6.20           2379         -              Normal
  05/20/2024 04 AM PDT            6.18           2360         -              Normal
  05/20/2024 05 AM PDT            6.16           2341         -              Normal
  05/20/2024 06 AM PDT            6.11           2295         -              Normal
  05/20/2024 07 AM PDT            6.04           2231         -              Normal
  05/20/2024 08 AM PDT            5.97           2168         -              Normal
  05/20/2024 09 AM PDT            5.90           2106         -              Normal
  05/20/2024 10 AM PDT            5.85           2063         -              Normal
  05/20/2024 11 AM PDT            5.77           1994         -              Normal
  05/20/2024 12 PM PDT            5.72           1952         -              Normal
  05/20/2024 01 PM PDT            5.63           1877         -              Normal
  05/20/2024 02 PM PDT            5.58           1836         -              Normal
  05/20/2024 03 PM PDT            5.53           1796         -              Normal
  05/20/2024 04 PM PDT            5.47           1748         -              Normal
  05/20/2024 05 PM PDT            5.51           1780         +              Normal
  05/20/2024 06 PM PDT            5.56           1820         +              Normal
  05/20/2024 07 PM PDT            5.60           1852         +              Normal
  05/20/2024 08 PM PDT            5.67           1910         +              Normal
  05/20/2024 09 PM PDT            5.72           1952         +              Normal
  05/20/2024 10 PM PDT            5.77           1994         +              Normal
  05/20/2024 11 PM PDT            5.78           2002         +              Normal
  05/21/2024 12 AM PDT            5.80           2020         +              Normal
  05/21/2024 01 AM PDT            5.79           2011         -              Normal
  05/21/2024 02 AM PDT            5.79           2011         0              Normal
  05/21/2024 03 AM PDT            5.78           2002         -              Normal
  05/21/2024 04 AM PDT            5.75           1977         -              Normal
  05/21/2024 05 AM PDT            5.71           1943         -              Normal
  05/21/2024 06 AM PDT            5.66           1902         -              Normal
  05/21/2024 07 AM PDT            5.61           1860         -              Normal
  05/21/2024 08 AM PDT            5.55           1812         -              Normal
  05/21/2024 09 AM PDT            5.49           1764         -              Normal
  05/21/2024 10 AM PDT            5.43           1716         -              Normal
  05/21/2024 11 AM PDT            5.36           1662         -              Normal
  05/21/2024 12 PM PDT            5.29           1609         -              Normal
  05/21/2024 01 PM PDT            5.22           1556         -              Normal
  05/21/2024 02 PM PDT            5.18           1527         -              Normal
  05/21/2024 03 PM PDT            5.13           1490         -              Normal
  05/21/2024 04 PM PDT            5.09           1462         -              Normal
  05/21/2024 05 PM PDT            5.09           1462         0              Normal
  05/21/2024 06 PM PDT            5.17           1520         +              Normal
  05/21/2024 07 PM PDT            5.23           1564         +              Normal
  05/21/2024 08 PM PDT            5.30           1616         +              Normal
  05/21/2024 09 PM PDT            5.38           1677         +              Normal
  05/21/2024 10 PM PDT            5.44           1724         +              Normal
  05/21/2024 11 PM PDT            5.48           1756         +              Normal
  05/22/2024 12 AM PDT            5.50           1772         +              Normal
  05/22/2024 01 AM PDT            5.52           1788         +              Normal
  05/22/2024 02 AM PDT            5.54           1804         +              Normal
  05/22/2024 03 AM PDT            5.55           1812         +              Normal
  05/22/2024 04 AM PDT            5.55           1812         0              Normal
  05/22/2024 05 AM PDT            5.54           1804         -              Normal
  05/22/2024 06 AM PDT            5.51           1780         -              Normal
  05/22/2024 07 AM PDT            5.47           1748         -              Normal
  05/22/2024 08 AM PDT            5.43           1716         -              Normal
  05/22/2024 09 AM PDT            5.39           1685         -              Normal
  05/22/2024 10 AM PDT            5.35           1654         -              Normal
  05/22/2024 11 AM PDT            5.29           1609         -              Normal
  05/22/2024 12 PM PDT            5.24           1571         -              Normal
  05/22/2024 01 PM PDT            5.18           1527         -              Normal
  05/22/2024 02 PM PDT            5.15           1505         -              Normal
  05/22/2024 03 PM PDT            5.12           1483         -              Normal
  05/22/2024 04 PM PDT            5.09           1462         -              Normal
  05/22/2024 05 PM PDT            5.11           1476         +              Normal
  05/22/2024 06 PM PDT            5.21           1549         +              Normal
  05/22/2024 07 PM PDT            5.28           1601         +              Normal
  05/22/2024 08 PM PDT            5.38           1677         +              Normal
  05/22/2024 09 PM PDT            5.47           1748         +              Normal
  05/22/2024 10 PM PDT            5.56           1820         +              Normal
  05/22/2024 11 PM PDT            5.61           1860         +              Normal
  05/23/2024 12 AM PDT            5.64           1885         +              Normal
  05/23/2024 01 AM PDT            5.66           1902         +              Normal
  05/23/2024 02 AM PDT            5.69           1927         +              Normal
  05/23/2024 03 AM PDT            5.70           1935         +              Normal
  05/23/2024 04 AM PDT            5.70           1935         0              Normal
  05/23/2024 05 AM PDT            5.68           1918         -              Normal
  05/23/2024 06 AM PDT            5.65           1893         -              Normal
  05/23/2024 07 AM PDT            5.60           1852         -              Normal
  05/23/2024 08 AM PDT            5.56           1820         -              Normal
  05/23/2024 09 AM PDT            5.51           1780         -              Normal
  05/23/2024 10 AM PDT            5.46           1740         -              Normal
  05/23/2024 11 AM PDT            5.40           1693         -              Normal
  05/23/2024 12 PM PDT            5.33           1639         -              Normal
  05/23/2024 01 PM PDT            5.26           1586         -              Normal
  05/23/2024 02 PM PDT            5.22           1556         -              Normal
  05/23/2024 03 PM PDT            5.18           1527         -              Normal
  05/23/2024 04 PM PDT            5.14           1498         -              Normal
  05/23/2024 05 PM PDT            5.15           1505         +              Normal
  05/23/2024 06 PM PDT            5.24           1571         +              Normal
  05/23/2024 07 PM PDT            5.30           1616         +              Normal
  05/23/2024 08 PM PDT            5.39           1685         +              Normal
  05/23/2024 09 PM PDT            5.48           1756         +              Normal
  05/23/2024 10 PM PDT            5.55           1812         +              Normal
  05/23/2024 11 PM PDT            5.60           1852         +              Normal
  05/24/2024 12 AM PDT            5.61           1860         +              Normal
  05/24/2024 01 AM PDT            5.62           1869         +              Normal
  05/24/2024 02 AM PDT            5.64           1885         +              Normal
  05/24/2024 03 AM PDT            5.64           1885         0              Normal
  05/24/2024 04 AM PDT            5.62           1869         -              Normal
  05/24/2024 05 AM PDT            5.60           1852         -              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.