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 21 2026 at 1:28 PM PDTNext Issuance: Apr 22 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:  04/21/2026 at 01:28 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/17/2026 at 02:00 AM PDT
# Maximum Observed Stage:                       5.07 Feet
# Maximum Observed Flow:                        1421 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/25/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       5.19 Feet
# Maximum Forecast Flow:                        1503 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/16/2026 01 PM PDT            4.85           1277                        Normal
  04/16/2026 02 PM PDT            4.84           1270         -              Normal
  04/16/2026 03 PM PDT            4.82           1258         -              Normal
  04/16/2026 04 PM PDT            4.81           1251         -              Normal
  04/16/2026 05 PM PDT            4.78           1233         -              Normal
  04/16/2026 06 PM PDT            4.83           1264         +              Normal
  04/16/2026 07 PM PDT            4.81           1251         -              Normal
  04/16/2026 08 PM PDT            4.87           1290         +              Normal
  04/16/2026 09 PM PDT            4.91           1315         +              Normal
  04/16/2026 10 PM PDT            4.95           1341         +              Normal
  04/16/2026 11 PM PDT            5.03           1394         +              Normal
  04/17/2026 12 AM PDT            5.03           1394         0              Normal
  04/17/2026 01 AM PDT            5.06           1414         +              Normal
  04/17/2026 02 AM PDT            5.07           1421         +              Normal
  04/17/2026 03 AM PDT            5.04           1401         -              Normal
  04/17/2026 04 AM PDT            5.04           1401         0              Normal
  04/17/2026 05 AM PDT            5.00           1374         -              Normal
  04/17/2026 06 AM PDT            4.99           1368         -              Normal
  04/17/2026 07 AM PDT            4.94           1335         -              Normal
  04/17/2026 08 AM PDT            4.91           1315         -              Normal
  04/17/2026 09 AM PDT            4.91           1315         0              Normal
  04/17/2026 10 AM PDT            4.88           1296         -              Normal
  04/17/2026 11 AM PDT            4.83           1264         -              Normal
  04/17/2026 12 PM PDT            4.82           1258         -              Normal
  04/17/2026 01 PM PDT            4.81           1251         -              Normal
  04/17/2026 02 PM PDT            4.77           1226         -              Normal
  04/17/2026 03 PM PDT            4.71           1189         -              Normal
  04/17/2026 04 PM PDT            4.67           1165         -              Normal
  04/17/2026 05 PM PDT            4.70           1183         +              Normal
  04/17/2026 06 PM PDT            4.70           1183         0              Normal
  04/17/2026 07 PM PDT            4.72           1195         +              Normal
  04/17/2026 08 PM PDT            4.73           1201         +              Normal
  04/17/2026 09 PM PDT            4.74           1208         +              Normal
  04/17/2026 10 PM PDT            4.78           1233         +              Normal
  04/17/2026 11 PM PDT            4.80           1245         +              Normal
  04/18/2026 12 AM PDT            4.86           1283         +              Normal
  04/18/2026 01 AM PDT            4.87           1290         +              Normal
  04/18/2026 02 AM PDT            4.90           1309         +              Normal
  04/18/2026 03 AM PDT            4.89           1302         -              Normal
  04/18/2026 04 AM PDT            4.91           1315         +              Normal
  04/18/2026 05 AM PDT            4.92           1322         +              Normal
  04/18/2026 06 AM PDT            4.89           1302         -              Normal
  04/18/2026 07 AM PDT            4.90           1309         +              Normal
  04/18/2026 08 AM PDT            4.87           1290         -              Normal
  04/18/2026 09 AM PDT            4.84           1270         -              Normal
  04/18/2026 10 AM PDT            4.82           1258         -              Normal
  04/18/2026 11 AM PDT            4.83           1264         +              Normal
  04/18/2026 12 PM PDT            4.77           1226         -              Normal
  04/18/2026 01 PM PDT            4.78           1233         +              Normal
  04/18/2026 02 PM PDT            4.76           1220         -              Normal
  04/18/2026 03 PM PDT            4.75           1214         -              Normal
  04/18/2026 04 PM PDT            4.71           1189         -              Normal
  04/18/2026 05 PM PDT            4.69           1177         -              Normal
  04/18/2026 06 PM PDT            4.69           1177         0              Normal
  04/18/2026 07 PM PDT            4.67           1165         -              Normal
  04/18/2026 08 PM PDT            4.68           1171         +              Normal
  04/18/2026 09 PM PDT            4.71           1189         +              Normal
  04/18/2026 10 PM PDT            4.71           1189         0              Normal
  04/18/2026 11 PM PDT            4.76           1220         +              Normal
  04/19/2026 12 AM PDT            4.80           1245         +              Normal
  04/19/2026 01 AM PDT            4.86           1283         +              Normal
  04/19/2026 02 AM PDT            4.88           1296         +              Normal
  04/19/2026 03 AM PDT            4.90           1309         +              Normal
  04/19/2026 04 AM PDT            4.93           1328         +              Normal
  04/19/2026 05 AM PDT            4.93           1328         0              Normal
  04/19/2026 06 AM PDT            4.92           1322         -              Normal
  04/19/2026 07 AM PDT            4.90           1309         -              Normal
  04/19/2026 08 AM PDT            4.89           1302         -              Normal
  04/19/2026 09 AM PDT            4.85           1277         -              Normal
  04/19/2026 10 AM PDT            4.84           1270         -              Normal
  04/19/2026 11 AM PDT            4.87           1290         +              Normal
  04/19/2026 12 PM PDT            4.84           1270         -              Normal
  04/19/2026 01 PM PDT            4.82           1258         -              Normal
  04/19/2026 02 PM PDT            4.80           1245         -              Normal
  04/19/2026 03 PM PDT            4.77           1226         -              Normal
  04/19/2026 04 PM PDT            4.76           1220         -              Normal
  04/19/2026 05 PM PDT            4.72           1195         -              Normal
  04/19/2026 06 PM PDT            4.67           1165         -              Normal
  04/19/2026 07 PM PDT            4.69           1177         +              Normal
  04/19/2026 08 PM PDT            4.68           1171         -              Normal
  04/19/2026 09 PM PDT            4.64           1146         -              Normal
  04/19/2026 10 PM PDT            4.70           1183         +              Normal
  04/19/2026 11 PM PDT            4.71           1189         +              Normal
  04/20/2026 12 AM PDT            4.71           1189         0              Normal
  04/20/2026 01 AM PDT            4.73           1201         +              Normal
  04/20/2026 02 AM PDT            4.76           1220         +              Normal
  04/20/2026 03 AM PDT            4.76           1220         0              Normal
  04/20/2026 04 AM PDT            4.78           1233         +              Normal
  04/20/2026 05 AM PDT            4.78           1233         0              Normal
  04/20/2026 06 AM PDT            4.74           1208         -              Normal
  04/20/2026 07 AM PDT            4.75           1214         +              Normal
  04/20/2026 08 AM PDT            4.74           1208         -              Normal
  04/20/2026 09 AM PDT            4.76           1220         +              Normal
  04/20/2026 10 AM PDT            4.74           1208         -              Normal
  04/20/2026 11 AM PDT            4.71           1189         -              Normal
  04/20/2026 12 PM PDT            4.71           1189         0              Normal
  04/20/2026 01 PM PDT            4.69           1177         -              Normal
  04/20/2026 02 PM PDT            4.68           1171         -              Normal
  04/20/2026 03 PM PDT            4.65           1152         -              Normal
  04/20/2026 04 PM PDT            4.62           1134         -              Normal
  04/20/2026 05 PM PDT            4.63           1140         +              Normal
  04/20/2026 06 PM PDT            4.58           1110         -              Normal
  04/20/2026 07 PM PDT            4.57           1104         -              Normal
  04/20/2026 08 PM PDT            4.53           1081         -              Normal
  04/20/2026 09 PM PDT            4.54           1087         +              Normal
  04/20/2026 10 PM PDT            4.54           1087         0              Normal
  04/20/2026 11 PM PDT            4.49           1058         -              Normal
  04/21/2026 12 AM PDT            4.55           1093         +              Normal
  04/21/2026 01 AM PDT            4.55           1093         0              Normal
  04/21/2026 02 AM PDT            4.57           1104         +              Normal
  04/21/2026 03 AM PDT            4.61           1128         +              Normal
  04/21/2026 04 AM PDT            4.62           1134         +              Normal
  04/21/2026 05 AM PDT            4.60           1122         -              Normal
  04/21/2026 06 AM PDT            4.64           1146         +              Normal
  04/21/2026 07 AM PDT            4.62           1134         -              Normal
  04/21/2026 08 AM PDT            4.62           1134         0              Normal
  04/21/2026 09 AM PDT            4.62           1134         0              Normal
  04/21/2026 10 AM PDT            4.61           1128         -              Normal
  04/21/2026 11 AM PDT            4.62           1134         +              Normal
  04/21/2026 12 PM PDT            4.61           1128         -              Normal
  04/21/2026 01 PM PDT            4.60           1122         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/21/2026 02 PM PDT            4.60           1122                        Normal
  04/21/2026 03 PM PDT            4.59           1116         -              Normal
  04/21/2026 04 PM PDT            4.59           1116         0              Normal
  04/21/2026 05 PM PDT            4.60           1122         +              Normal
  04/21/2026 06 PM PDT            4.61           1128         +              Normal
  04/21/2026 07 PM PDT            4.61           1128         0              Normal
  04/21/2026 08 PM PDT            4.63           1140         +              Normal
  04/21/2026 09 PM PDT            4.65           1152         +              Normal
  04/21/2026 10 PM PDT            4.66           1158         +              Normal
  04/21/2026 11 PM PDT            4.68           1171         +              Normal
  04/22/2026 12 AM PDT            4.68           1171         0              Normal
  04/22/2026 01 AM PDT            4.68           1171         0              Normal
  04/22/2026 02 AM PDT            4.67           1165         -              Normal
  04/22/2026 03 AM PDT            4.66           1158         -              Normal
  04/22/2026 04 AM PDT            4.64           1146         -              Normal
  04/22/2026 05 AM PDT            4.61           1128         -              Normal
  04/22/2026 06 AM PDT            4.59           1116         -              Normal
  04/22/2026 07 AM PDT            4.56           1099         -              Normal
  04/22/2026 08 AM PDT            4.53           1081         -              Normal
  04/22/2026 09 AM PDT            4.50           1063         -              Normal
  04/22/2026 10 AM PDT            4.47           1046         -              Normal
  04/22/2026 11 AM PDT            4.44           1029         -              Normal
  04/22/2026 12 PM PDT            4.41           1012         -              Normal
  04/22/2026 01 PM PDT            4.38            995         -              Normal
  04/22/2026 02 PM PDT            4.36            983         -              Normal
  04/22/2026 03 PM PDT            4.35            978         -              Normal
  04/22/2026 04 PM PDT            4.33            967         -              Normal
  04/22/2026 05 PM PDT            4.32            961         -              Normal
  04/22/2026 06 PM PDT            4.31            956         -              Normal
  04/22/2026 07 PM PDT            4.30            950         -              Normal
  04/22/2026 08 PM PDT            4.29            945         -              Normal
  04/22/2026 09 PM PDT            4.29            945         0              Normal
  04/22/2026 10 PM PDT            4.29            945         0              Normal
  04/22/2026 11 PM PDT            4.29            945         0              Normal
  04/23/2026 12 AM PDT            4.29            945         0              Normal
  04/23/2026 01 AM PDT            4.28            939         -              Normal
  04/23/2026 02 AM PDT            4.28            939         0              Normal
  04/23/2026 03 AM PDT            4.28            939         0              Normal
  04/23/2026 04 AM PDT            4.27            934         -              Normal
  04/23/2026 05 AM PDT            4.26            928         -              Normal
  04/23/2026 06 AM PDT            4.25            923         -              Normal
  04/23/2026 07 AM PDT            4.24            918         -              Normal
  04/23/2026 08 AM PDT            4.23            912         -              Normal
  04/23/2026 09 AM PDT            4.22            907         -              Normal
  04/23/2026 10 AM PDT            4.20            896         -              Normal
  04/23/2026 11 AM PDT            4.18            885         -              Normal
  04/23/2026 12 PM PDT            4.17            880         -              Normal
  04/23/2026 01 PM PDT            4.15            870         -              Normal
  04/23/2026 02 PM PDT            4.14            864         -              Normal
  04/23/2026 03 PM PDT            4.12            854         -              Normal
  04/23/2026 04 PM PDT            4.12            854         0              Normal
  04/23/2026 05 PM PDT            4.12            854         0              Normal
  04/23/2026 06 PM PDT            4.12            854         0              Normal
  04/23/2026 07 PM PDT            4.14            864         +              Normal
  04/23/2026 08 PM PDT            4.17            880         +              Normal
  04/23/2026 09 PM PDT            4.21            901         +              Normal
  04/23/2026 10 PM PDT            4.27            934         +              Normal
  04/23/2026 11 PM PDT            4.34            972         +              Normal
  04/24/2026 12 AM PDT            4.42           1017         +              Normal
  04/24/2026 01 AM PDT            4.50           1063         +              Normal
  04/24/2026 02 AM PDT            4.58           1110         +              Normal
  04/24/2026 03 AM PDT            4.64           1146         +              Normal
  04/24/2026 04 AM PDT            4.68           1171         +              Normal
  04/24/2026 05 AM PDT            4.72           1195         +              Normal
  04/24/2026 06 AM PDT            4.74           1208         +              Normal
  04/24/2026 07 AM PDT            4.76           1220         +              Normal
  04/24/2026 08 AM PDT            4.76           1220         0              Normal
  04/24/2026 09 AM PDT            4.76           1220         0              Normal
  04/24/2026 10 AM PDT            4.74           1208         -              Normal
  04/24/2026 11 AM PDT            4.73           1201         -              Normal
  04/24/2026 12 PM PDT            4.71           1189         -              Normal
  04/24/2026 01 PM PDT            4.69           1177         -              Normal
  04/24/2026 02 PM PDT            4.68           1171         -              Normal
  04/24/2026 03 PM PDT            4.68           1171         0              Normal
  04/24/2026 04 PM PDT            4.68           1171         0              Normal
  04/24/2026 05 PM PDT            4.69           1177         +              Normal
  04/24/2026 06 PM PDT            4.71           1189         +              Normal
  04/24/2026 07 PM PDT            4.74           1208         +              Normal
  04/24/2026 08 PM PDT            4.79           1239         +              Normal
  04/24/2026 09 PM PDT            4.85           1277         +              Normal
  04/24/2026 10 PM PDT            4.92           1322         +              Normal
  04/24/2026 11 PM PDT            4.98           1361         +              Normal
  04/25/2026 12 AM PDT            5.04           1401         +              Normal
  04/25/2026 01 AM PDT            5.08           1428         +              Normal
  04/25/2026 02 AM PDT            5.12           1455         +              Normal
  04/25/2026 03 AM PDT            5.15           1475         +              Normal
  04/25/2026 04 AM PDT            5.17           1489         +              Normal
  04/25/2026 05 AM PDT            5.19           1503         +              Normal
  04/25/2026 06 AM PDT            5.19           1503         0              Normal
  04/25/2026 07 AM PDT            5.19           1503         0              Normal
  04/25/2026 08 AM PDT            5.17           1489         -              Normal
  04/25/2026 09 AM PDT            5.15           1475         -              Normal
  04/25/2026 10 AM PDT            5.12           1455         -              Normal
  04/25/2026 11 AM PDT            5.09           1435         -              Normal
  04/25/2026 12 PM PDT            5.07           1421         -              Normal
  04/25/2026 01 PM PDT            5.04           1401         -              Normal
  04/25/2026 02 PM PDT            5.01           1381         -              Normal
  04/25/2026 03 PM PDT            4.99           1368         -              Normal
  04/25/2026 04 PM PDT            4.98           1361         -              Normal
  04/25/2026 05 PM PDT            4.97           1355         -              Normal
  04/25/2026 06 PM PDT            4.98           1361         +              Normal
  04/25/2026 07 PM PDT            5.00           1374         +              Normal
  04/25/2026 08 PM PDT            5.02           1388         +              Normal
  04/25/2026 09 PM PDT            5.05           1408         +              Normal
  04/25/2026 10 PM PDT            5.08           1428         +              Normal
  04/25/2026 11 PM PDT            5.12           1455         +              Normal
  04/26/2026 12 AM PDT            5.14           1469         +              Normal
  04/26/2026 01 AM PDT            5.17           1489         +              Normal
  04/26/2026 02 AM PDT            5.18           1496         +              Normal
  04/26/2026 03 AM PDT            5.18           1496         0              Normal
  04/26/2026 04 AM PDT            5.18           1496         0              Normal
  04/26/2026 05 AM PDT            5.17           1489         -              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.