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 01 2026 at 12:14 PM PDTNext Issuance: May 02 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:  05/01/2026 at 12:16 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/26/2026 at 11:00 PM PDT
# Maximum Observed Stage:                       4.91 Feet
# Maximum Observed Flow:                        1315 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/04/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       6.25 Feet
# Maximum Forecast Flow:                        2329 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/26/2026 12 PM PDT            4.81           1251                        Normal
  04/26/2026 01 PM PDT            4.80           1245         -              Normal
  04/26/2026 02 PM PDT            4.77           1226         -              Normal
  04/26/2026 03 PM PDT            4.79           1239         +              Normal
  04/26/2026 04 PM PDT            4.75           1214         -              Normal
  04/26/2026 05 PM PDT            4.79           1239         +              Normal
  04/26/2026 06 PM PDT            4.81           1251         +              Normal
  04/26/2026 07 PM PDT            4.84           1270         +              Normal
  04/26/2026 08 PM PDT            4.86           1283         +              Normal
  04/26/2026 09 PM PDT            4.88           1296         +              Normal
  04/26/2026 10 PM PDT            4.90           1309         +              Normal
  04/26/2026 11 PM PDT            4.91           1315         +              Normal
  04/27/2026 12 AM PDT            4.88           1296         -              Normal
  04/27/2026 01 AM PDT            4.89           1302         +              Normal
  04/27/2026 02 AM PDT            4.85           1277         -              Normal
  04/27/2026 03 AM PDT            4.84           1270         -              Normal
  04/27/2026 04 AM PDT            4.85           1277         +              Normal
  04/27/2026 05 AM PDT            4.82           1258         -              Normal
  04/27/2026 06 AM PDT            4.80           1245         -              Normal
  04/27/2026 07 AM PDT            4.76           1220         -              Normal
  04/27/2026 08 AM PDT            4.74           1208         -              Normal
  04/27/2026 09 AM PDT            4.68           1171         -              Normal
  04/27/2026 10 AM PDT            4.70           1183         +              Normal
  04/27/2026 11 AM PDT            4.66           1158         -              Normal
  04/27/2026 12 PM PDT            4.64           1146         -              Normal
  04/27/2026 01 PM PDT            4.63           1140         -              Normal
  04/27/2026 02 PM PDT            4.60           1122         -              Normal
  04/27/2026 03 PM PDT            4.58           1110         -              Normal
  04/27/2026 04 PM PDT            4.56           1099         -              Normal
  04/27/2026 05 PM PDT            4.55           1093         -              Normal
  04/27/2026 06 PM PDT            4.54           1087         -              Normal
  04/27/2026 07 PM PDT            4.56           1099         +              Normal
  04/27/2026 08 PM PDT            4.55           1093         -              Normal
  04/27/2026 09 PM PDT            4.56           1099         +              Normal
  04/27/2026 10 PM PDT            4.56           1099         0              Normal
  04/27/2026 11 PM PDT            4.57           1104         +              Normal
  04/28/2026 12 AM PDT            4.56           1099         -              Normal
  04/28/2026 01 AM PDT            4.55           1093         -              Normal
  04/28/2026 02 AM PDT            4.56           1099         +              Normal
  04/28/2026 03 AM PDT            4.55           1093         -              Normal
  04/28/2026 04 AM PDT            4.55           1093         0              Normal
  04/28/2026 05 AM PDT            4.53           1081         -              Normal
  04/28/2026 06 AM PDT            4.53           1081         0              Normal
  04/28/2026 07 AM PDT            4.47           1046         -              Normal
  04/28/2026 08 AM PDT            4.49           1058         +              Normal
  04/28/2026 09 AM PDT            4.46           1040         -              Normal
  04/28/2026 10 AM PDT            4.46           1040         0              Normal
  04/28/2026 11 AM PDT            4.44           1029         -              Normal
  04/28/2026 12 PM PDT            4.44           1029         0              Normal
  04/28/2026 01 PM PDT            4.41           1012         -              Normal
  04/28/2026 02 PM PDT            4.39           1000         -              Normal
  04/28/2026 03 PM PDT            4.40           1006         +              Normal
  04/28/2026 04 PM PDT            4.36            983         -              Normal
  04/28/2026 05 PM PDT            4.35            978         -              Normal
  04/28/2026 06 PM PDT            4.36            983         +              Normal
  04/28/2026 07 PM PDT            4.35            978         -              Normal
  04/28/2026 08 PM PDT            4.43           1023         +              Normal
  04/28/2026 09 PM PDT            4.44           1029         +              Normal
  04/28/2026 10 PM PDT            4.46           1040         +              Normal
  04/28/2026 11 PM PDT            4.48           1052         +              Normal
  04/29/2026 12 AM PDT            4.49           1058         +              Normal
  04/29/2026 01 AM PDT            4.50           1063         +              Normal
  04/29/2026 02 AM PDT            4.48           1052         -              Normal
  04/29/2026 03 AM PDT            4.48           1052         0              Normal
  04/29/2026 04 AM PDT            4.47           1046         -              Normal
  04/29/2026 05 AM PDT            4.46           1040         -              Normal
  04/29/2026 06 AM PDT            4.41           1012         -              Normal
  04/29/2026 07 AM PDT            4.39           1000         -              Normal
  04/29/2026 08 AM PDT            4.40           1006         +              Normal
  04/29/2026 09 AM PDT            4.34            972         -              Normal
  04/29/2026 10 AM PDT            4.36            983         +              Normal
  04/29/2026 11 AM PDT            4.34            972         -              Normal
  04/29/2026 12 PM PDT            4.32            961         -              Normal
  04/29/2026 01 PM PDT            4.32            961         0              Normal
  04/29/2026 02 PM PDT            4.32            961         0              Normal
  04/29/2026 03 PM PDT            4.30            950         -              Normal
  04/29/2026 04 PM PDT            4.25            923         -              Normal
  04/29/2026 05 PM PDT            4.28            939         +              Normal
  04/29/2026 06 PM PDT            4.29            945         +              Normal
  04/29/2026 07 PM PDT            4.29            945         0              Normal
  04/29/2026 08 PM PDT            4.30            950         +              Normal
  04/29/2026 09 PM PDT            4.32            961         +              Normal
  04/29/2026 10 PM PDT            4.34            972         +              Normal
  04/29/2026 11 PM PDT            4.38            995         +              Normal
  04/30/2026 12 AM PDT            4.43           1023         +              Normal
  04/30/2026 01 AM PDT            4.47           1046         +              Normal
  04/30/2026 02 AM PDT            4.52           1075         +              Normal
  04/30/2026 03 AM PDT            4.56           1099         +              Normal
  04/30/2026 04 AM PDT            4.58           1110         +              Normal
  04/30/2026 05 AM PDT            4.58           1110         0              Normal
  04/30/2026 06 AM PDT            4.59           1116         +              Normal
  04/30/2026 07 AM PDT            4.60           1122         +              Normal
  04/30/2026 08 AM PDT            4.58           1110         -              Normal
  04/30/2026 09 AM PDT            4.57           1104         -              Normal
  04/30/2026 10 AM PDT            4.51           1069         -              Normal
  04/30/2026 11 AM PDT            4.55           1093         +              Normal
  04/30/2026 12 PM PDT            4.56           1099         +              Normal
  04/30/2026 01 PM PDT            4.53           1081         -              Normal
  04/30/2026 02 PM PDT            4.50           1063         -              Normal
  04/30/2026 03 PM PDT            4.50           1063         0              Normal
  04/30/2026 04 PM PDT            4.47           1046         -              Normal
  04/30/2026 05 PM PDT            4.45           1034         -              Normal
  04/30/2026 06 PM PDT            4.44           1029         -              Normal
  04/30/2026 07 PM PDT            4.45           1034         +              Normal
  04/30/2026 08 PM PDT            4.42           1017         -              Normal
  04/30/2026 09 PM PDT            4.44           1029         +              Normal
  04/30/2026 10 PM PDT            4.46           1040         +              Normal
  04/30/2026 11 PM PDT            4.51           1069         +              Normal
  05/01/2026 12 AM PDT            4.55           1093         +              Normal
  05/01/2026 01 AM PDT            4.60           1122         +              Normal
  05/01/2026 02 AM PDT            4.66           1158         +              Normal
  05/01/2026 03 AM PDT            4.70           1183         +              Normal
  05/01/2026 04 AM PDT            4.72           1195         +              Normal
  05/01/2026 05 AM PDT            4.77           1226         +              Normal
  05/01/2026 06 AM PDT            4.80           1245         +              Normal
  05/01/2026 07 AM PDT            4.74           1208         -              Normal
  05/01/2026 08 AM PDT            4.75           1214         +              Normal
  05/01/2026 09 AM PDT            4.77           1226         +              Normal
  05/01/2026 10 AM PDT            4.74           1208         -              Normal
  05/01/2026 11 AM PDT            4.76           1220         +              Normal
  05/01/2026 12 PM PDT            4.75           1214         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/01/2026 01 PM PDT            4.74           1208                        Normal
  05/01/2026 02 PM PDT            4.73           1201         -              Normal
  05/01/2026 03 PM PDT            4.72           1195         -              Normal
  05/01/2026 04 PM PDT            4.71           1189         -              Normal
  05/01/2026 05 PM PDT            4.70           1183         -              Normal
  05/01/2026 06 PM PDT            4.71           1189         +              Normal
  05/01/2026 07 PM PDT            4.73           1201         +              Normal
  05/01/2026 08 PM PDT            4.78           1233         +              Normal
  05/01/2026 09 PM PDT            4.84           1270         +              Normal
  05/01/2026 10 PM PDT            4.91           1315         +              Normal
  05/01/2026 11 PM PDT            4.99           1368         +              Normal
  05/02/2026 12 AM PDT            5.06           1414         +              Normal
  05/02/2026 01 AM PDT            5.12           1455         +              Normal
  05/02/2026 02 AM PDT            5.18           1496         +              Normal
  05/02/2026 03 AM PDT            5.22           1524         +              Normal
  05/02/2026 04 AM PDT            5.26           1552         +              Normal
  05/02/2026 05 AM PDT            5.30           1580         +              Normal
  05/02/2026 06 AM PDT            5.32           1595         +              Normal
  05/02/2026 07 AM PDT            5.33           1602         +              Normal
  05/02/2026 08 AM PDT            5.33           1602         0              Normal
  05/02/2026 09 AM PDT            5.33           1602         0              Normal
  05/02/2026 10 AM PDT            5.31           1587         -              Normal
  05/02/2026 11 AM PDT            5.29           1573         -              Normal
  05/02/2026 12 PM PDT            5.27           1559         -              Normal
  05/02/2026 01 PM PDT            5.26           1552         -              Normal
  05/02/2026 02 PM PDT            5.25           1545         -              Normal
  05/02/2026 03 PM PDT            5.24           1538         -              Normal
  05/02/2026 04 PM PDT            5.23           1531         -              Normal
  05/02/2026 05 PM PDT            5.23           1531         0              Normal
  05/02/2026 06 PM PDT            5.24           1538         +              Normal
  05/02/2026 07 PM PDT            5.27           1559         +              Normal
  05/02/2026 08 PM PDT            5.32           1595         +              Normal
  05/02/2026 09 PM PDT            5.38           1638         +              Normal
  05/02/2026 10 PM PDT            5.44           1681         +              Normal
  05/02/2026 11 PM PDT            5.50           1726         +              Normal
  05/03/2026 12 AM PDT            5.57           1778         +              Normal
  05/03/2026 01 AM PDT            5.62           1816         +              Normal
  05/03/2026 02 AM PDT            5.67           1854         +              Normal
  05/03/2026 03 AM PDT            5.70           1878         +              Normal
  05/03/2026 04 AM PDT            5.73           1901         +              Normal
  05/03/2026 05 AM PDT            5.75           1917         +              Normal
  05/03/2026 06 AM PDT            5.75           1917         0              Normal
  05/03/2026 07 AM PDT            5.74           1909         -              Normal
  05/03/2026 08 AM PDT            5.73           1901         -              Normal
  05/03/2026 09 AM PDT            5.71           1885         -              Normal
  05/03/2026 10 AM PDT            5.68           1862         -              Normal
  05/03/2026 11 AM PDT            5.65           1839         -              Normal
  05/03/2026 12 PM PDT            5.65           1839         0              Normal
  05/03/2026 01 PM PDT            5.64           1831         -              Normal
  05/03/2026 02 PM PDT            5.63           1824         -              Normal
  05/03/2026 03 PM PDT            5.63           1824         0              Normal
  05/03/2026 04 PM PDT            5.63           1824         0              Normal
  05/03/2026 05 PM PDT            5.65           1839         +              Normal
  05/03/2026 06 PM PDT            5.68           1862         +              Normal
  05/03/2026 07 PM PDT            5.72           1893         +              Normal
  05/03/2026 08 PM PDT            5.79           1948         +              Normal
  05/03/2026 09 PM PDT            5.88           2020         +              Normal
  05/03/2026 10 PM PDT            5.97           2093         +              Normal
  05/03/2026 11 PM PDT            6.07           2176         +              Normal
  05/04/2026 12 AM PDT            6.12           2218         +              Normal
  05/04/2026 01 AM PDT            6.17           2260         +              Normal
  05/04/2026 02 AM PDT            6.21           2294         +              Normal
  05/04/2026 03 AM PDT            6.23           2311         +              Normal
  05/04/2026 04 AM PDT            6.24           2320         +              Normal
  05/04/2026 05 AM PDT            6.25           2329         +              Normal
  05/04/2026 06 AM PDT            6.23           2311         -              Normal
  05/04/2026 07 AM PDT            6.21           2294         -              Normal
  05/04/2026 08 AM PDT            6.17           2260         -              Normal
  05/04/2026 09 AM PDT            6.12           2218         -              Normal
  05/04/2026 10 AM PDT            6.07           2176         -              Normal
  05/04/2026 11 AM PDT            6.01           2126         -              Normal
  05/04/2026 12 PM PDT            5.97           2093         -              Normal
  05/04/2026 01 PM PDT            5.92           2052         -              Normal
  05/04/2026 02 PM PDT            5.88           2020         -              Normal
  05/04/2026 03 PM PDT            5.84           1988         -              Normal
  05/04/2026 04 PM PDT            5.80           1956         -              Normal
  05/04/2026 05 PM PDT            5.78           1940         -              Normal
  05/04/2026 06 PM PDT            5.77           1932         -              Normal
  05/04/2026 07 PM PDT            5.76           1924         -              Normal
  05/04/2026 08 PM PDT            5.77           1932         +              Normal
  05/04/2026 09 PM PDT            5.79           1948         +              Normal
  05/04/2026 10 PM PDT            5.81           1964         +              Normal
  05/04/2026 11 PM PDT            5.83           1980         +              Normal
  05/05/2026 12 AM PDT            5.84           1988         +              Normal
  05/05/2026 01 AM PDT            5.86           2004         +              Normal
  05/05/2026 02 AM PDT            5.86           2004         0              Normal
  05/05/2026 03 AM PDT            5.87           2012         +              Normal
  05/05/2026 04 AM PDT            5.87           2012         0              Normal
  05/05/2026 05 AM PDT            5.86           2004         -              Normal
  05/05/2026 06 AM PDT            5.85           1996         -              Normal
  05/05/2026 07 AM PDT            5.84           1988         -              Normal
  05/05/2026 08 AM PDT            5.82           1972         -              Normal
  05/05/2026 09 AM PDT            5.80           1956         -              Normal
  05/05/2026 10 AM PDT            5.78           1940         -              Normal
  05/05/2026 11 AM PDT            5.75           1917         -              Normal
  05/05/2026 12 PM PDT            5.73           1901         -              Normal
  05/05/2026 01 PM PDT            5.71           1885         -              Normal
  05/05/2026 02 PM PDT            5.68           1862         -              Normal
  05/05/2026 03 PM PDT            5.66           1847         -              Normal
  05/05/2026 04 PM PDT            5.63           1824         -              Normal
  05/05/2026 05 PM PDT            5.60           1801         -              Normal
  05/05/2026 06 PM PDT            5.60           1801         0              Normal
  05/05/2026 07 PM PDT            5.60           1801         0              Normal
  05/05/2026 08 PM PDT            5.66           1847         +              Normal
  05/05/2026 09 PM PDT            5.71           1885         +              Normal
  05/05/2026 10 PM PDT            5.77           1932         +              Normal
  05/05/2026 11 PM PDT            5.83           1980         +              Normal
  05/06/2026 12 AM PDT            5.89           2028         +              Normal
  05/06/2026 01 AM PDT            5.93           2060         +              Normal
  05/06/2026 02 AM PDT            5.98           2101         +              Normal
  05/06/2026 03 AM PDT            6.02           2134         +              Normal
  05/06/2026 04 AM PDT            6.06           2167         +              Normal
  05/06/2026 05 AM PDT            6.09           2192         +              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.