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: Apr 28 2026 at 7:54 AM PDTNext Issuance: Apr 29 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:  04/28/2026 at 07:54 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/24/2026 at 01:00 AM PDT
# Maximum Observed Stage:                       5.17 Feet
# Maximum Observed Flow:                        1489 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/03/2026 at 04:00 AM PDT
# Maximum Forecast Stage:                       6.82 Feet
# Maximum Forecast Flow:                        2848 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/23/2026 07 AM PDT            4.71           1189                        Normal
  04/23/2026 08 AM PDT            4.65           1152         -              Normal
  04/23/2026 09 AM PDT            4.61           1128         -              Normal
  04/23/2026 10 AM PDT            4.57           1104         -              Normal
  04/23/2026 11 AM PDT            4.56           1099         -              Normal
  04/23/2026 12 PM PDT            4.53           1081         -              Normal
  04/23/2026 01 PM PDT            4.48           1052         -              Normal
  04/23/2026 02 PM PDT            4.51           1069         +              Normal
  04/23/2026 03 PM PDT            4.47           1046         -              Normal
  04/23/2026 04 PM PDT            4.54           1087         +              Normal
  04/23/2026 05 PM PDT            4.55           1093         +              Normal
  04/23/2026 06 PM PDT            4.61           1128         +              Normal
  04/23/2026 07 PM PDT            4.68           1171         +              Normal
  04/23/2026 08 PM PDT            4.80           1245         +              Normal
  04/23/2026 09 PM PDT            4.92           1322         +              Normal
  04/23/2026 10 PM PDT            5.01           1381         +              Normal
  04/23/2026 11 PM PDT            5.09           1435         +              Normal
  04/24/2026 12 AM PDT            5.11           1448         +              Normal
  04/24/2026 01 AM PDT            5.17           1489         +              Normal
  04/24/2026 02 AM PDT            5.16           1482         -              Normal
  04/24/2026 03 AM PDT            5.14           1469         -              Normal
  04/24/2026 04 AM PDT            5.12           1455         -              Normal
  04/24/2026 05 AM PDT            5.05           1408         -              Normal
  04/24/2026 06 AM PDT            5.04           1401         -              Normal
  04/24/2026 07 AM PDT            5.00           1374         -              Normal
  04/24/2026 08 AM PDT            4.97           1355         -              Normal
  04/24/2026 09 AM PDT            4.97           1355         0              Normal
  04/24/2026 10 AM PDT            4.91           1315         -              Normal
  04/24/2026 11 AM PDT            4.85           1277         -              Normal
  04/24/2026 12 PM PDT            4.83           1264         -              Normal
  04/24/2026 01 PM PDT            4.81           1251         -              Normal
  04/24/2026 02 PM PDT            4.77           1226         -              Normal
  04/24/2026 03 PM PDT            4.73           1201         -              Normal
  04/24/2026 04 PM PDT            4.75           1214         +              Normal
  04/24/2026 05 PM PDT            4.75           1214         0              Normal
  04/24/2026 06 PM PDT            4.80           1245         +              Normal
  04/24/2026 07 PM PDT            4.81           1251         +              Normal
  04/24/2026 08 PM PDT            4.85           1277         +              Normal
  04/24/2026 09 PM PDT            4.94           1335         +              Normal
  04/24/2026 10 PM PDT            5.01           1381         +              Normal
  04/24/2026 11 PM PDT            5.09           1435         +              Normal
  04/25/2026 12 AM PDT            5.11           1448         +              Normal
  04/25/2026 01 AM PDT            5.12           1455         +              Normal
  04/25/2026 02 AM PDT            5.10           1441         -              Normal
  04/25/2026 03 AM PDT            5.06           1414         -              Normal
  04/25/2026 04 AM PDT            5.07           1421         +              Normal
  04/25/2026 05 AM PDT            5.01           1381         -              Normal
  04/25/2026 06 AM PDT            4.97           1355         -              Normal
  04/25/2026 07 AM PDT            4.93           1328         -              Normal
  04/25/2026 08 AM PDT            4.91           1315         -              Normal
  04/25/2026 09 AM PDT            4.88           1296         -              Normal
  04/25/2026 10 AM PDT            4.82           1258         -              Normal
  04/25/2026 11 AM PDT            4.83           1264         +              Normal
  04/25/2026 12 PM PDT            4.80           1245         -              Normal
  04/25/2026 01 PM PDT            4.77           1226         -              Normal
  04/25/2026 02 PM PDT            4.76           1220         -              Normal
  04/25/2026 03 PM PDT            4.75           1214         -              Normal
  04/25/2026 04 PM PDT            4.74           1208         -              Normal
  04/25/2026 05 PM PDT            4.73           1201         -              Normal
  04/25/2026 06 PM PDT            4.73           1201         0              Normal
  04/25/2026 07 PM PDT            4.72           1195         -              Normal
  04/25/2026 08 PM PDT            4.75           1214         +              Normal
  04/25/2026 09 PM PDT            4.77           1226         +              Normal
  04/25/2026 10 PM PDT            4.80           1245         +              Normal
  04/25/2026 11 PM PDT            4.85           1277         +              Normal
  04/26/2026 12 AM PDT            4.90           1309         +              Normal
  04/26/2026 01 AM PDT            4.93           1328         +              Normal
  04/26/2026 02 AM PDT            4.94           1335         +              Normal
  04/26/2026 03 AM PDT            4.97           1355         +              Normal
  04/26/2026 04 AM PDT            4.96           1348         -              Normal
  04/26/2026 05 AM PDT            4.95           1341         -              Normal
  04/26/2026 06 AM PDT            4.91           1315         -              Normal
  04/26/2026 07 AM PDT            4.91           1315         0              Normal
  04/26/2026 08 AM PDT            4.85           1277         -              Normal
  04/26/2026 09 AM PDT            4.86           1283         +              Normal
  04/26/2026 10 AM PDT            4.85           1277         -              Normal
  04/26/2026 11 AM PDT            4.83           1264         -              Normal
  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            4.52           1075         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/28/2026 08 AM PDT            4.50           1063                        Normal
  04/28/2026 09 AM PDT            4.49           1058         -              Normal
  04/28/2026 10 AM PDT            4.47           1046         -              Normal
  04/28/2026 11 AM PDT            4.45           1034         -              Normal
  04/28/2026 12 PM PDT            4.44           1029         -              Normal
  04/28/2026 01 PM PDT            4.43           1023         -              Normal
  04/28/2026 02 PM PDT            4.43           1023         0              Normal
  04/28/2026 03 PM PDT            4.42           1017         -              Normal
  04/28/2026 04 PM PDT            4.42           1017         0              Normal
  04/28/2026 05 PM PDT            4.43           1023         +              Normal
  04/28/2026 06 PM PDT            4.44           1029         +              Normal
  04/28/2026 07 PM PDT            4.46           1040         +              Normal
  04/28/2026 08 PM PDT            4.48           1052         +              Normal
  04/28/2026 09 PM PDT            4.52           1075         +              Normal
  04/28/2026 10 PM PDT            4.57           1104         +              Normal
  04/28/2026 11 PM PDT            4.61           1128         +              Normal
  04/29/2026 12 AM PDT            4.66           1158         +              Normal
  04/29/2026 01 AM PDT            4.71           1189         +              Normal
  04/29/2026 02 AM PDT            4.75           1214         +              Normal
  04/29/2026 03 AM PDT            4.78           1233         +              Normal
  04/29/2026 04 AM PDT            4.81           1251         +              Normal
  04/29/2026 05 AM PDT            4.84           1270         +              Normal
  04/29/2026 06 AM PDT            4.85           1277         +              Normal
  04/29/2026 07 AM PDT            4.86           1283         +              Normal
  04/29/2026 08 AM PDT            4.85           1277         -              Normal
  04/29/2026 09 AM PDT            4.84           1270         -              Normal
  04/29/2026 10 AM PDT            4.82           1258         -              Normal
  04/29/2026 11 AM PDT            4.80           1245         -              Normal
  04/29/2026 12 PM PDT            4.79           1239         -              Normal
  04/29/2026 01 PM PDT            4.78           1233         -              Normal
  04/29/2026 02 PM PDT            4.77           1226         -              Normal
  04/29/2026 03 PM PDT            4.76           1220         -              Normal
  04/29/2026 04 PM PDT            4.76           1220         0              Normal
  04/29/2026 05 PM PDT            4.76           1220         0              Normal
  04/29/2026 06 PM PDT            4.79           1239         +              Normal
  04/29/2026 07 PM PDT            4.82           1258         +              Normal
  04/29/2026 08 PM PDT            4.87           1290         +              Normal
  04/29/2026 09 PM PDT            4.94           1335         +              Normal
  04/29/2026 10 PM PDT            5.01           1381         +              Normal
  04/29/2026 11 PM PDT            5.08           1428         +              Normal
  04/30/2026 12 AM PDT            5.15           1475         +              Normal
  04/30/2026 01 AM PDT            5.21           1517         +              Normal
  04/30/2026 02 AM PDT            5.27           1559         +              Normal
  04/30/2026 03 AM PDT            5.33           1602         +              Normal
  04/30/2026 04 AM PDT            5.39           1645         +              Normal
  04/30/2026 05 AM PDT            5.45           1689         +              Normal
  04/30/2026 06 AM PDT            5.50           1726         +              Normal
  04/30/2026 07 AM PDT            5.53           1748         +              Normal
  04/30/2026 08 AM PDT            5.54           1756         +              Normal
  04/30/2026 09 AM PDT            5.54           1756         0              Normal
  04/30/2026 10 AM PDT            5.53           1748         -              Normal
  04/30/2026 11 AM PDT            5.51           1733         -              Normal
  04/30/2026 12 PM PDT            5.49           1718         -              Normal
  04/30/2026 01 PM PDT            5.47           1703         -              Normal
  04/30/2026 02 PM PDT            5.46           1696         -              Normal
  04/30/2026 03 PM PDT            5.44           1681         -              Normal
  04/30/2026 04 PM PDT            5.43           1674         -              Normal
  04/30/2026 05 PM PDT            5.43           1674         0              Normal
  04/30/2026 06 PM PDT            5.47           1703         +              Normal
  04/30/2026 07 PM PDT            5.51           1733         +              Normal
  04/30/2026 08 PM PDT            5.57           1778         +              Normal
  04/30/2026 09 PM PDT            5.64           1831         +              Normal
  04/30/2026 10 PM PDT            5.72           1893         +              Normal
  04/30/2026 11 PM PDT            5.82           1972         +              Normal
  05/01/2026 12 AM PDT            5.89           2028         +              Normal
  05/01/2026 01 AM PDT            5.95           2077         +              Normal
  05/01/2026 02 AM PDT            6.00           2118         +              Normal
  05/01/2026 03 AM PDT            6.04           2151         +              Normal
  05/01/2026 04 AM PDT            6.08           2184         +              Normal
  05/01/2026 05 AM PDT            6.10           2201         +              Normal
  05/01/2026 06 AM PDT            6.11           2209         +              Normal
  05/01/2026 07 AM PDT            6.10           2201         -              Normal
  05/01/2026 08 AM PDT            6.09           2192         -              Normal
  05/01/2026 09 AM PDT            6.06           2167         -              Normal
  05/01/2026 10 AM PDT            6.03           2142         -              Normal
  05/01/2026 11 AM PDT            5.99           2109         -              Normal
  05/01/2026 12 PM PDT            5.97           2093         -              Normal
  05/01/2026 01 PM PDT            5.94           2068         -              Normal
  05/01/2026 02 PM PDT            5.92           2052         -              Normal
  05/01/2026 03 PM PDT            5.90           2036         -              Normal
  05/01/2026 04 PM PDT            5.88           2020         -              Normal
  05/01/2026 05 PM PDT            5.88           2020         0              Normal
  05/01/2026 06 PM PDT            5.91           2044         +              Normal
  05/01/2026 07 PM PDT            5.95           2077         +              Normal
  05/01/2026 08 PM PDT            6.02           2134         +              Normal
  05/01/2026 09 PM PDT            6.11           2209         +              Normal
  05/01/2026 10 PM PDT            6.20           2286         +              Normal
  05/01/2026 11 PM PDT            6.29           2363         +              Normal
  05/02/2026 12 AM PDT            6.36           2425         +              Normal
  05/02/2026 01 AM PDT            6.43           2487         +              Normal
  05/02/2026 02 AM PDT            6.48           2532         +              Normal
  05/02/2026 03 AM PDT            6.52           2568         +              Normal
  05/02/2026 04 AM PDT            6.56           2605         +              Normal
  05/02/2026 05 AM PDT            6.59           2632         +              Normal
  05/02/2026 06 AM PDT            6.59           2632         0              Normal
  05/02/2026 07 AM PDT            6.59           2632         0              Normal
  05/02/2026 08 AM PDT            6.56           2605         -              Normal
  05/02/2026 09 AM PDT            6.52           2568         -              Normal
  05/02/2026 10 AM PDT            6.48           2532         -              Normal
  05/02/2026 11 AM PDT            6.43           2487         -              Normal
  05/02/2026 12 PM PDT            6.39           2451         -              Normal
  05/02/2026 01 PM PDT            6.35           2416         -              Normal
  05/02/2026 02 PM PDT            6.32           2390         -              Normal
  05/02/2026 03 PM PDT            6.28           2355         -              Normal
  05/02/2026 04 PM PDT            6.26           2337         -              Normal
  05/02/2026 05 PM PDT            6.25           2329         -              Normal
  05/02/2026 06 PM PDT            6.27           2346         +              Normal
  05/02/2026 07 PM PDT            6.31           2381         +              Normal
  05/02/2026 08 PM PDT            6.38           2442         +              Normal
  05/02/2026 09 PM PDT            6.46           2514         +              Normal
  05/02/2026 10 PM PDT            6.56           2605         +              Normal
  05/02/2026 11 PM PDT            6.64           2678         +              Normal
  05/03/2026 12 AM PDT            6.71           2744         +              Normal
  05/03/2026 01 AM PDT            6.75           2781         +              Normal
  05/03/2026 02 AM PDT            6.79           2819         +              Normal
  05/03/2026 03 AM PDT            6.81           2838         +              Normal
  05/03/2026 04 AM PDT            6.82           2848         +              Normal
  05/03/2026 05 AM PDT            6.82           2848         0              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.