MERCED RIVER - YOSEMITE NP AT POHONO BRIDGE (POHC1)
Latitude: 37.72º NLongitude: 119.67º WElevation: 3862 FeetForecast Type: Official Location
Location: Mariposa County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: May 15 2026 at 7:53 AM PDTNext Issuance: May 16 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: 10.0 FeetModerate Flood: 12.5 FeetMajor Flood: 20.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Pohono Bridge (POHC1)
#
# File Generation Time:  05/15/2026 at 07:55 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/12/2026 at 05:00 AM PDT
# Maximum Observed Stage:                       6.16 Feet
# Maximum Observed Flow:                        2251 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/15/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       5.70 Feet
# Maximum Forecast Flow:                        1878 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/10/2026 07 AM PDT            5.80           1956                        Normal
  05/10/2026 08 AM PDT            5.78           1940         -              Normal
  05/10/2026 09 AM PDT            5.78           1940         0              Normal
  05/10/2026 10 AM PDT            5.75           1917         -              Normal
  05/10/2026 11 AM PDT            5.74           1909         -              Normal
  05/10/2026 12 PM PDT            5.74           1909         0              Normal
  05/10/2026 01 PM PDT            5.71           1885         -              Normal
  05/10/2026 02 PM PDT            5.65           1839         -              Normal
  05/10/2026 03 PM PDT            5.63           1824         -              Normal
  05/10/2026 04 PM PDT            5.57           1778         -              Normal
  05/10/2026 05 PM PDT            5.56           1771         -              Normal
  05/10/2026 06 PM PDT            5.49           1718         -              Normal
  05/10/2026 07 PM PDT            5.49           1718         0              Normal
  05/10/2026 08 PM PDT            5.47           1703         -              Normal
  05/10/2026 09 PM PDT            5.49           1718         +              Normal
  05/10/2026 10 PM PDT            5.60           1801         +              Normal
  05/10/2026 11 PM PDT            5.70           1878         +              Normal
  05/11/2026 12 AM PDT            5.83           1980         +              Normal
  05/11/2026 01 AM PDT            5.95           2077         +              Normal
  05/11/2026 02 AM PDT            6.01           2126         +              Normal
  05/11/2026 03 AM PDT            6.02           2134         +              Normal
  05/11/2026 04 AM PDT            6.11           2209         +              Normal
  05/11/2026 05 AM PDT            6.09           2192         -              Normal
  05/11/2026 06 AM PDT            6.05           2159         -              Normal
  05/11/2026 07 AM PDT            6.08           2184         +              Normal
  05/11/2026 08 AM PDT            6.06           2167         -              Normal
  05/11/2026 09 AM PDT            6.05           2159         -              Normal
  05/11/2026 10 AM PDT            6.00           2118         -              Normal
  05/11/2026 11 AM PDT            6.00           2118         0              Normal
  05/11/2026 12 PM PDT            5.98           2101         -              Normal
  05/11/2026 01 PM PDT            5.94           2068         -              Normal
  05/11/2026 02 PM PDT            5.86           2004         -              Normal
  05/11/2026 03 PM PDT            5.87           2012         +              Normal
  05/11/2026 04 PM PDT            5.76           1924         -              Normal
  05/11/2026 05 PM PDT            5.71           1885         -              Normal
  05/11/2026 06 PM PDT            5.69           1870         -              Normal
  05/11/2026 07 PM PDT            5.64           1831         -              Normal
  05/11/2026 08 PM PDT            5.58           1786         -              Normal
  05/11/2026 09 PM PDT            5.57           1778         -              Normal
  05/11/2026 10 PM PDT            5.67           1854         +              Normal
  05/11/2026 11 PM PDT            5.68           1862         +              Normal
  05/12/2026 12 AM PDT            5.84           1988         +              Normal
  05/12/2026 01 AM PDT            5.94           2068         +              Normal
  05/12/2026 02 AM PDT            6.02           2134         +              Normal
  05/12/2026 03 AM PDT            6.07           2176         +              Normal
  05/12/2026 04 AM PDT            6.15           2243         +              Normal
  05/12/2026 05 AM PDT            6.16           2251         +              Normal
  05/12/2026 06 AM PDT            6.15           2243         -              Normal
  05/12/2026 07 AM PDT            6.11           2209         -              Normal
  05/12/2026 08 AM PDT            6.14           2235         +              Normal
  05/12/2026 09 AM PDT            6.13           2226         -              Normal
  05/12/2026 10 AM PDT            6.10           2201         -              Normal
  05/12/2026 11 AM PDT            6.04           2151         -              Normal
  05/12/2026 12 PM PDT            6.09           2192         +              Normal
  05/12/2026 01 PM PDT            5.95           2077         -              Normal
  05/12/2026 02 PM PDT            5.92           2052         -              Normal
  05/12/2026 03 PM PDT            5.91           2044         -              Normal
  05/12/2026 04 PM PDT            5.84           1988         -              Normal
  05/12/2026 05 PM PDT            5.77           1932         -              Normal
  05/12/2026 06 PM PDT            5.68           1862         -              Normal
  05/12/2026 07 PM PDT            5.67           1854         -              Normal
  05/12/2026 08 PM PDT            5.68           1862         +              Normal
  05/12/2026 09 PM PDT            5.63           1824         -              Normal
  05/12/2026 10 PM PDT            5.63           1824         0              Normal
  05/12/2026 11 PM PDT            5.73           1901         +              Normal
  05/13/2026 12 AM PDT            5.80           1956         +              Normal
  05/13/2026 01 AM PDT            5.90           2036         +              Normal
  05/13/2026 02 AM PDT            5.95           2077         +              Normal
  05/13/2026 03 AM PDT            6.05           2159         +              Normal
  05/13/2026 04 AM PDT            6.07           2176         +              Normal
  05/13/2026 05 AM PDT            6.09           2192         +              Normal
  05/13/2026 06 AM PDT            6.13           2226         +              Normal
  05/13/2026 07 AM PDT            6.09           2192         -              Normal
  05/13/2026 08 AM PDT            6.12           2218         +              Normal
  05/13/2026 09 AM PDT            6.05           2159         -              Normal
  05/13/2026 10 AM PDT            6.10           2201         +              Normal
  05/13/2026 11 AM PDT            6.10           2201         0              Normal
  05/13/2026 12 PM PDT            6.06           2167         -              Normal
  05/13/2026 01 PM PDT            6.04           2151         -              Normal
  05/13/2026 02 PM PDT            5.97           2093         -              Normal
  05/13/2026 03 PM PDT            5.95           2077         -              Normal
  05/13/2026 04 PM PDT            5.87           2012         -              Normal
  05/13/2026 05 PM PDT            5.79           1948         -              Normal
  05/13/2026 06 PM PDT            5.77           1932         -              Normal
  05/13/2026 07 PM PDT            5.72           1893         -              Normal
  05/13/2026 08 PM PDT            5.69           1870         -              Normal
  05/13/2026 09 PM PDT            5.66           1847         -              Normal
  05/13/2026 10 PM PDT            5.67           1854         +              Normal
  05/13/2026 11 PM PDT            5.67           1854         0              Normal
  05/14/2026 12 AM PDT            5.69           1870         +              Normal
  05/14/2026 01 AM PDT            5.79           1948         +              Normal
  05/14/2026 02 AM PDT            5.85           1996         +              Normal
  05/14/2026 03 AM PDT            5.90           2036         +              Normal
  05/14/2026 04 AM PDT            5.90           2036         0              Normal
  05/14/2026 05 AM PDT            5.93           2060         +              Normal
  05/14/2026 06 AM PDT            5.91           2044         -              Normal
  05/14/2026 07 AM PDT            5.95           2077         +              Normal
  05/14/2026 08 AM PDT            5.92           2052         -              Normal
  05/14/2026 09 AM PDT            5.88           2020         -              Normal
  05/14/2026 10 AM PDT            5.87           2012         -              Normal
  05/14/2026 11 AM PDT            5.84           1988         -              Normal
  05/14/2026 12 PM PDT            5.82           1972         -              Normal
  05/14/2026 01 PM PDT            5.80           1956         -              Normal
  05/14/2026 02 PM PDT            5.72           1893         -              Normal
  05/14/2026 03 PM PDT            5.69           1870         -              Normal
  05/14/2026 04 PM PDT            5.64           1831         -              Normal
  05/14/2026 05 PM PDT            5.59           1793         -              Normal
  05/14/2026 06 PM PDT            5.53           1748         -              Normal
  05/14/2026 07 PM PDT            5.51           1733         -              Normal
  05/14/2026 08 PM PDT            5.43           1674         -              Normal
  05/14/2026 09 PM PDT            5.42           1667         -              Normal
  05/14/2026 10 PM PDT            5.43           1674         +              Normal
  05/14/2026 11 PM PDT            5.46           1696         +              Normal
  05/15/2026 12 AM PDT            5.51           1733         +              Normal
  05/15/2026 01 AM PDT            5.56           1771         +              Normal
  05/15/2026 02 AM PDT            5.64           1831         +              Normal
  05/15/2026 03 AM PDT            5.69           1870         +              Normal
  05/15/2026 04 AM PDT            5.75           1917         +              Normal
  05/15/2026 05 AM PDT            5.74           1909         -              Normal
  05/15/2026 06 AM PDT            5.74           1909         0              Normal
  05/15/2026 07 AM PDT            5.74           1909         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/15/2026 08 AM PDT            5.70           1878                        Normal
  05/15/2026 09 AM PDT            5.66           1847         -              Normal
  05/15/2026 10 AM PDT            5.61           1808         -              Normal
  05/15/2026 11 AM PDT            5.57           1778         -              Normal
  05/15/2026 12 PM PDT            5.51           1733         -              Normal
  05/15/2026 01 PM PDT            5.46           1696         -              Normal
  05/15/2026 02 PM PDT            5.42           1667         -              Normal
  05/15/2026 03 PM PDT            5.38           1638         -              Normal
  05/15/2026 04 PM PDT            5.34           1609         -              Normal
  05/15/2026 05 PM PDT            5.30           1580         -              Normal
  05/15/2026 06 PM PDT            5.29           1573         -              Normal
  05/15/2026 07 PM PDT            5.30           1580         +              Normal
  05/15/2026 08 PM PDT            5.33           1602         +              Normal
  05/15/2026 09 PM PDT            5.38           1638         +              Normal
  05/15/2026 10 PM PDT            5.43           1674         +              Normal
  05/15/2026 11 PM PDT            5.48           1711         +              Normal
  05/16/2026 12 AM PDT            5.53           1748         +              Normal
  05/16/2026 01 AM PDT            5.55           1763         +              Normal
  05/16/2026 02 AM PDT            5.57           1778         +              Normal
  05/16/2026 03 AM PDT            5.58           1786         +              Normal
  05/16/2026 04 AM PDT            5.58           1786         0              Normal
  05/16/2026 05 AM PDT            5.58           1786         0              Normal
  05/16/2026 06 AM PDT            5.57           1778         -              Normal
  05/16/2026 07 AM PDT            5.55           1763         -              Normal
  05/16/2026 08 AM PDT            5.52           1741         -              Normal
  05/16/2026 09 AM PDT            5.48           1711         -              Normal
  05/16/2026 10 AM PDT            5.43           1674         -              Normal
  05/16/2026 11 AM PDT            5.39           1645         -              Normal
  05/16/2026 12 PM PDT            5.35           1616         -              Normal
  05/16/2026 01 PM PDT            5.30           1580         -              Normal
  05/16/2026 02 PM PDT            5.26           1552         -              Normal
  05/16/2026 03 PM PDT            5.22           1524         -              Normal
  05/16/2026 04 PM PDT            5.18           1496         -              Normal
  05/16/2026 05 PM PDT            5.15           1475         -              Normal
  05/16/2026 06 PM PDT            5.13           1462         -              Normal
  05/16/2026 07 PM PDT            5.13           1462         0              Normal
  05/16/2026 08 PM PDT            5.17           1489         +              Normal
  05/16/2026 09 PM PDT            5.21           1517         +              Normal
  05/16/2026 10 PM PDT            5.27           1559         +              Normal
  05/16/2026 11 PM PDT            5.32           1595         +              Normal
  05/17/2026 12 AM PDT            5.37           1630         +              Normal
  05/17/2026 01 AM PDT            5.40           1652         +              Normal
  05/17/2026 02 AM PDT            5.42           1667         +              Normal
  05/17/2026 03 AM PDT            5.44           1681         +              Normal
  05/17/2026 04 AM PDT            5.45           1689         +              Normal
  05/17/2026 05 AM PDT            5.45           1689         0              Normal
  05/17/2026 06 AM PDT            5.44           1681         -              Normal
  05/17/2026 07 AM PDT            5.43           1674         -              Normal
  05/17/2026 08 AM PDT            5.40           1652         -              Normal
  05/17/2026 09 AM PDT            5.37           1630         -              Normal
  05/17/2026 10 AM PDT            5.33           1602         -              Normal
  05/17/2026 11 AM PDT            5.29           1573         -              Normal
  05/17/2026 12 PM PDT            5.25           1545         -              Normal
  05/17/2026 01 PM PDT            5.21           1517         -              Normal
  05/17/2026 02 PM PDT            5.17           1489         -              Normal
  05/17/2026 03 PM PDT            5.13           1462         -              Normal
  05/17/2026 04 PM PDT            5.09           1435         -              Normal
  05/17/2026 05 PM PDT            5.06           1414         -              Normal
  05/17/2026 06 PM PDT            5.04           1401         -              Normal
  05/17/2026 07 PM PDT            5.04           1401         0              Normal
  05/17/2026 08 PM PDT            5.06           1414         +              Normal
  05/17/2026 09 PM PDT            5.09           1435         +              Normal
  05/17/2026 10 PM PDT            5.13           1462         +              Normal
  05/17/2026 11 PM PDT            5.17           1489         +              Normal
  05/18/2026 12 AM PDT            5.20           1510         +              Normal
  05/18/2026 01 AM PDT            5.22           1524         +              Normal
  05/18/2026 02 AM PDT            5.23           1531         +              Normal
  05/18/2026 03 AM PDT            5.23           1531         0              Normal
  05/18/2026 04 AM PDT            5.23           1531         0              Normal
  05/18/2026 05 AM PDT            5.22           1524         -              Normal
  05/18/2026 06 AM PDT            5.21           1517         -              Normal
  05/18/2026 07 AM PDT            5.18           1496         -              Normal
  05/18/2026 08 AM PDT            5.15           1475         -              Normal
  05/18/2026 09 AM PDT            5.10           1441         -              Normal
  05/18/2026 10 AM PDT            5.05           1408         -              Normal
  05/18/2026 11 AM PDT            5.00           1374         -              Normal
  05/18/2026 12 PM PDT            4.96           1348         -              Normal
  05/18/2026 01 PM PDT            4.91           1315         -              Normal
  05/18/2026 02 PM PDT            4.86           1283         -              Normal
  05/18/2026 03 PM PDT            4.81           1251         -              Normal
  05/18/2026 04 PM PDT            4.77           1226         -              Normal
  05/18/2026 05 PM PDT            4.74           1208         -              Normal
  05/18/2026 06 PM PDT            4.70           1183         -              Normal
  05/18/2026 07 PM PDT            4.69           1177         -              Normal
  05/18/2026 08 PM PDT            4.70           1183         +              Normal
  05/18/2026 09 PM PDT            4.72           1195         +              Normal
  05/18/2026 10 PM PDT            4.75           1214         +              Normal
  05/18/2026 11 PM PDT            4.78           1233         +              Normal
  05/19/2026 12 AM PDT            4.80           1245         +              Normal
  05/19/2026 01 AM PDT            4.82           1258         +              Normal
  05/19/2026 02 AM PDT            4.84           1270         +              Normal
  05/19/2026 03 AM PDT            4.87           1290         +              Normal
  05/19/2026 04 AM PDT            4.89           1302         +              Normal
  05/19/2026 05 AM PDT            4.92           1322         +              Normal
  05/19/2026 06 AM PDT            4.93           1328         +              Normal
  05/19/2026 07 AM PDT            4.94           1335         +              Normal
  05/19/2026 08 AM PDT            4.94           1335         0              Normal
  05/19/2026 09 AM PDT            4.92           1322         -              Normal
  05/19/2026 10 AM PDT            4.90           1309         -              Normal
  05/19/2026 11 AM PDT            4.88           1296         -              Normal
  05/19/2026 12 PM PDT            4.86           1283         -              Normal
  05/19/2026 01 PM PDT            4.83           1264         -              Normal
  05/19/2026 02 PM PDT            4.81           1251         -              Normal
  05/19/2026 03 PM PDT            4.78           1233         -              Normal
  05/19/2026 04 PM PDT            4.76           1220         -              Normal
  05/19/2026 05 PM PDT            4.74           1208         -              Normal
  05/19/2026 06 PM PDT            4.72           1195         -              Normal
  05/19/2026 07 PM PDT            4.72           1195         0              Normal
  05/19/2026 08 PM PDT            4.75           1214         +              Normal
  05/19/2026 09 PM PDT            4.80           1245         +              Normal
  05/19/2026 10 PM PDT            4.85           1277         +              Normal
  05/19/2026 11 PM PDT            4.91           1315         +              Normal
  05/20/2026 12 AM PDT            4.96           1348         +              Normal
  05/20/2026 01 AM PDT            5.00           1374         +              Normal
  05/20/2026 02 AM PDT            5.03           1394         +              Normal
  05/20/2026 03 AM PDT            5.05           1408         +              Normal
  05/20/2026 04 AM PDT            5.08           1428         +              Normal
  05/20/2026 05 AM PDT            5.09           1435         +              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.