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: Mar 18 2026 at 1:02 PM PDTNext Issuance: Mar 19 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:  03/18/2026 at 01:02 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/18/2026 at 02:00 AM PDT
# Maximum Observed Stage:                       6.42 Feet
# Maximum Observed Flow:                        2478 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/21/2026 at 03:00 AM PDT
# Maximum Forecast Stage:                       7.29 Feet
# Maximum Forecast Flow:                        3316 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/13/2026 01 PM PDT            4.67           1165                        Normal
  03/13/2026 02 PM PDT            4.67           1165         0              Normal
  03/13/2026 03 PM PDT            4.63           1140         -              Normal
  03/13/2026 04 PM PDT            4.57           1104         -              Normal
  03/13/2026 05 PM PDT            4.59           1116         +              Normal
  03/13/2026 06 PM PDT            4.56           1099         -              Normal
  03/13/2026 07 PM PDT            4.60           1122         +              Normal
  03/13/2026 08 PM PDT            4.62           1134         +              Normal
  03/13/2026 09 PM PDT            4.65           1152         +              Normal
  03/13/2026 10 PM PDT            4.69           1177         +              Normal
  03/13/2026 11 PM PDT            4.75           1214         +              Normal
  03/14/2026 12 AM PDT            4.81           1251         +              Normal
  03/14/2026 01 AM PDT            4.84           1270         +              Normal
  03/14/2026 02 AM PDT            4.85           1277         +              Normal
  03/14/2026 03 AM PDT            4.90           1309         +              Normal
  03/14/2026 04 AM PDT            4.89           1302         -              Normal
  03/14/2026 05 AM PDT            4.90           1309         +              Normal
  03/14/2026 06 AM PDT            4.84           1270         -              Normal
  03/14/2026 07 AM PDT            4.87           1290         +              Normal
  03/14/2026 08 AM PDT            4.81           1251         -              Normal
  03/14/2026 09 AM PDT            4.77           1226         -              Normal
  03/14/2026 10 AM PDT            4.74           1208         -              Normal
  03/14/2026 11 AM PDT            4.75           1214         +              Normal
  03/14/2026 12 PM PDT            4.72           1195         -              Normal
  03/14/2026 01 PM PDT            4.70           1183         -              Normal
  03/14/2026 02 PM PDT            4.72           1195         +              Normal
  03/14/2026 03 PM PDT            4.64           1146         -              Normal
  03/14/2026 04 PM PDT            4.66           1158         +              Normal
  03/14/2026 05 PM PDT            4.64           1146         -              Normal
  03/14/2026 06 PM PDT            4.66           1158         +              Normal
  03/14/2026 07 PM PDT            4.66           1158         0              Normal
  03/14/2026 08 PM PDT            4.72           1195         +              Normal
  03/14/2026 09 PM PDT            4.78           1233         +              Normal
  03/14/2026 10 PM PDT            4.87           1290         +              Normal
  03/14/2026 11 PM PDT            4.93           1328         +              Normal
  03/15/2026 12 AM PDT            4.98           1361         +              Normal
  03/15/2026 01 AM PDT            5.02           1388         +              Normal
  03/15/2026 02 AM PDT            5.03           1394         +              Normal
  03/15/2026 03 AM PDT            5.07           1421         +              Normal
  03/15/2026 04 AM PDT            5.06           1414         -              Normal
  03/15/2026 05 AM PDT            5.02           1388         -              Normal
  03/15/2026 06 AM PDT            5.01           1381         -              Normal
  03/15/2026 07 AM PDT            5.00           1374         -              Normal
  03/15/2026 08 AM PDT            4.97           1355         -              Normal
  03/15/2026 09 AM PDT            4.93           1328         -              Normal
  03/15/2026 10 AM PDT            4.91           1315         -              Normal
  03/15/2026 11 AM PDT            4.90           1309         -              Normal
  03/15/2026 12 PM PDT            4.88           1296         -              Normal
  03/15/2026 01 PM PDT            4.86           1283         -              Normal
  03/15/2026 02 PM PDT            4.82           1258         -              Normal
  03/15/2026 03 PM PDT            4.82           1258         0              Normal
  03/15/2026 04 PM PDT            4.76           1220         -              Normal
  03/15/2026 05 PM PDT            4.78           1233         +              Normal
  03/15/2026 06 PM PDT            4.77           1226         -              Normal
  03/15/2026 07 PM PDT            4.80           1245         +              Normal
  03/15/2026 08 PM PDT            4.86           1283         +              Normal
  03/15/2026 09 PM PDT            4.95           1341         +              Normal
  03/15/2026 10 PM PDT            5.04           1401         +              Normal
  03/15/2026 11 PM PDT            5.11           1448         +              Normal
  03/16/2026 12 AM PDT            5.20           1510         +              Normal
  03/16/2026 01 AM PDT            5.24           1538         +              Normal
  03/16/2026 02 AM PDT            5.29           1573         +              Normal
  03/16/2026 03 AM PDT            5.28           1566         -              Normal
  03/16/2026 04 AM PDT            5.29           1573         +              Normal
  03/16/2026 05 AM PDT            5.29           1573         0              Normal
  03/16/2026 06 AM PDT            5.26           1552         -              Normal
  03/16/2026 07 AM PDT            5.27           1559         +              Normal
  03/16/2026 08 AM PDT            5.22           1524         -              Normal
  03/16/2026 09 AM PDT            5.18           1496         -              Normal
  03/16/2026 10 AM PDT            5.18           1496         0              Normal
  03/16/2026 11 AM PDT            5.16           1482         -              Normal
  03/16/2026 12 PM PDT            5.14           1469         -              Normal
  03/16/2026 01 PM PDT            5.11           1448         -              Normal
  03/16/2026 02 PM PDT            5.09           1435         -              Normal
  03/16/2026 03 PM PDT            5.02           1388         -              Normal
  03/16/2026 04 PM PDT            5.06           1414         +              Normal
  03/16/2026 05 PM PDT            5.03           1394         -              Normal
  03/16/2026 06 PM PDT            5.02           1388         -              Normal
  03/16/2026 07 PM PDT            5.12           1455         +              Normal
  03/16/2026 08 PM PDT            5.22           1524         +              Normal
  03/16/2026 09 PM PDT            5.36           1623         +              Normal
  03/16/2026 10 PM PDT            5.51           1733         +              Normal
  03/16/2026 11 PM PDT            5.59           1793         +              Normal
  03/17/2026 12 AM PDT            5.72           1893         +              Normal
  03/17/2026 01 AM PDT            5.77           1932         +              Normal
  03/17/2026 02 AM PDT            5.78           1940         +              Normal
  03/17/2026 03 AM PDT            5.84           1988         +              Normal
  03/17/2026 04 AM PDT            5.82           1972         -              Normal
  03/17/2026 05 AM PDT            5.77           1932         -              Normal
  03/17/2026 06 AM PDT            5.75           1917         -              Normal
  03/17/2026 07 AM PDT            5.73           1901         -              Normal
  03/17/2026 08 AM PDT            5.71           1885         -              Normal
  03/17/2026 09 AM PDT            5.65           1839         -              Normal
  03/17/2026 10 AM PDT            5.63           1824         -              Normal
  03/17/2026 11 AM PDT            5.60           1801         -              Normal
  03/17/2026 12 PM PDT            5.56           1771         -              Normal
  03/17/2026 01 PM PDT            5.52           1741         -              Normal
  03/17/2026 02 PM PDT            5.51           1733         -              Normal
  03/17/2026 03 PM PDT            5.48           1711         -              Normal
  03/17/2026 04 PM PDT            5.45           1689         -              Normal
  03/17/2026 05 PM PDT            5.47           1703         +              Normal
  03/17/2026 06 PM PDT            5.47           1703         0              Normal
  03/17/2026 07 PM PDT            5.58           1786         +              Normal
  03/17/2026 08 PM PDT            5.74           1909         +              Normal
  03/17/2026 09 PM PDT            5.90           2036         +              Normal
  03/17/2026 10 PM PDT            6.09           2192         +              Normal
  03/17/2026 11 PM PDT            6.18           2269         +              Normal
  03/18/2026 12 AM PDT            6.30           2372         +              Normal
  03/18/2026 01 AM PDT            6.37           2434         +              Normal
  03/18/2026 02 AM PDT            6.42           2478         +              Normal
  03/18/2026 03 AM PDT            6.38           2442         -              Normal
  03/18/2026 04 AM PDT            6.34           2407         -              Normal
  03/18/2026 05 AM PDT            6.31           2381         -              Normal
  03/18/2026 06 AM PDT            6.28           2355         -              Normal
  03/18/2026 07 AM PDT            6.22           2303         -              Normal
  03/18/2026 08 AM PDT            6.17           2260         -              Normal
  03/18/2026 09 AM PDT            6.15           2243         -              Normal
  03/18/2026 10 AM PDT            6.05           2159         -              Normal
  03/18/2026 11 AM PDT            5.97           2093         -              Normal
  03/18/2026 12 PM PDT            5.94           2068         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/18/2026 01 PM PDT            5.91           2044                        Normal
  03/18/2026 02 PM PDT            5.88           2020         -              Normal
  03/18/2026 03 PM PDT            5.86           2004         -              Normal
  03/18/2026 04 PM PDT            5.85           1996         -              Normal
  03/18/2026 05 PM PDT            5.85           1996         0              Normal
  03/18/2026 06 PM PDT            5.90           2036         +              Normal
  03/18/2026 07 PM PDT            5.96           2085         +              Normal
  03/18/2026 08 PM PDT            6.05           2159         +              Normal
  03/18/2026 09 PM PDT            6.15           2243         +              Normal
  03/18/2026 10 PM PDT            6.26           2337         +              Normal
  03/18/2026 11 PM PDT            6.35           2416         +              Normal
  03/19/2026 12 AM PDT            6.43           2487         +              Normal
  03/19/2026 01 AM PDT            6.49           2541         +              Normal
  03/19/2026 02 AM PDT            6.54           2586         +              Normal
  03/19/2026 03 AM PDT            6.58           2623         +              Normal
  03/19/2026 04 AM PDT            6.61           2651         +              Normal
  03/19/2026 05 AM PDT            6.62           2660         +              Normal
  03/19/2026 06 AM PDT            6.62           2660         0              Normal
  03/19/2026 07 AM PDT            6.61           2651         -              Normal
  03/19/2026 08 AM PDT            6.58           2623         -              Normal
  03/19/2026 09 AM PDT            6.55           2595         -              Normal
  03/19/2026 10 AM PDT            6.51           2559         -              Normal
  03/19/2026 11 AM PDT            6.47           2523         -              Normal
  03/19/2026 12 PM PDT            6.42           2478         -              Normal
  03/19/2026 01 PM PDT            6.38           2442         -              Normal
  03/19/2026 02 PM PDT            6.34           2407         -              Normal
  03/19/2026 03 PM PDT            6.31           2381         -              Normal
  03/19/2026 04 PM PDT            6.30           2372         -              Normal
  03/19/2026 05 PM PDT            6.31           2381         +              Normal
  03/19/2026 06 PM PDT            6.35           2416         +              Normal
  03/19/2026 07 PM PDT            6.42           2478         +              Normal
  03/19/2026 08 PM PDT            6.52           2568         +              Normal
  03/19/2026 09 PM PDT            6.62           2660         +              Normal
  03/19/2026 10 PM PDT            6.73           2763         +              Normal
  03/19/2026 11 PM PDT            6.82           2848         +              Normal
  03/20/2026 12 AM PDT            6.88           2906         +              Normal
  03/20/2026 01 AM PDT            6.93           2954         +              Normal
  03/20/2026 02 AM PDT            6.97           2994         +              Normal
  03/20/2026 03 AM PDT            7.00           3023         +              Normal
  03/20/2026 04 AM PDT            7.02           3043         +              Normal
  03/20/2026 05 AM PDT            7.04           3063         +              Normal
  03/20/2026 06 AM PDT            7.05           3073         +              Normal
  03/20/2026 07 AM PDT            7.04           3063         -              Normal
  03/20/2026 08 AM PDT            7.00           3023         -              Normal
  03/20/2026 09 AM PDT            6.96           2984         -              Normal
  03/20/2026 10 AM PDT            6.91           2935         -              Normal
  03/20/2026 11 AM PDT            6.87           2896         -              Normal
  03/20/2026 12 PM PDT            6.81           2838         -              Normal
  03/20/2026 01 PM PDT            6.75           2781         -              Normal
  03/20/2026 02 PM PDT            6.71           2744         -              Normal
  03/20/2026 03 PM PDT            6.70           2734         -              Normal
  03/20/2026 04 PM PDT            6.69           2725         -              Normal
  03/20/2026 05 PM PDT            6.70           2734         +              Normal
  03/20/2026 06 PM PDT            6.76           2791         +              Normal
  03/20/2026 07 PM PDT            6.84           2867         +              Normal
  03/20/2026 08 PM PDT            6.93           2954         +              Normal
  03/20/2026 09 PM PDT            7.01           3033         +              Normal
  03/20/2026 10 PM PDT            7.09           3113         +              Normal
  03/20/2026 11 PM PDT            7.16           3183         +              Normal
  03/21/2026 12 AM PDT            7.21           3234         +              Normal
  03/21/2026 01 AM PDT            7.25           3275         +              Normal
  03/21/2026 02 AM PDT            7.28           3306         +              Normal
  03/21/2026 03 AM PDT            7.29           3316         +              Normal
  03/21/2026 04 AM PDT            7.29           3316         0              Normal
  03/21/2026 05 AM PDT            7.28           3306         -              Normal
  03/21/2026 06 AM PDT            7.27           3295         -              Normal
  03/21/2026 07 AM PDT            7.23           3254         -              Normal
  03/21/2026 08 AM PDT            7.18           3203         -              Normal
  03/21/2026 09 AM PDT            7.12           3143         -              Normal
  03/21/2026 10 AM PDT            7.06           3083         -              Normal
  03/21/2026 11 AM PDT            7.00           3023         -              Normal
  03/21/2026 12 PM PDT            6.94           2964         -              Normal
  03/21/2026 01 PM PDT            6.88           2906         -              Normal
  03/21/2026 02 PM PDT            6.83           2858         -              Normal
  03/21/2026 03 PM PDT            6.78           2810         -              Normal
  03/21/2026 04 PM PDT            6.75           2781         -              Normal
  03/21/2026 05 PM PDT            6.72           2753         -              Normal
  03/21/2026 06 PM PDT            6.74           2772         +              Normal
  03/21/2026 07 PM PDT            6.79           2819         +              Normal
  03/21/2026 08 PM PDT            6.86           2886         +              Normal
  03/21/2026 09 PM PDT            6.93           2954         +              Normal
  03/21/2026 10 PM PDT            7.01           3033         +              Normal
  03/21/2026 11 PM PDT            7.07           3093         +              Normal
  03/22/2026 12 AM PDT            7.11           3133         +              Normal
  03/22/2026 01 AM PDT            7.13           3153         +              Normal
  03/22/2026 02 AM PDT            7.14           3163         +              Normal
  03/22/2026 03 AM PDT            7.14           3163         0              Normal
  03/22/2026 04 AM PDT            7.13           3153         -              Normal
  03/22/2026 05 AM PDT            7.12           3143         -              Normal
  03/22/2026 06 AM PDT            7.09           3113         -              Normal
  03/22/2026 07 AM PDT            7.06           3083         -              Normal
  03/22/2026 08 AM PDT            7.00           3023         -              Normal
  03/22/2026 09 AM PDT            6.95           2974         -              Normal
  03/22/2026 10 AM PDT            6.89           2915         -              Normal
  03/22/2026 11 AM PDT            6.83           2858         -              Normal
  03/22/2026 12 PM PDT            6.77           2800         -              Normal
  03/22/2026 01 PM PDT            6.72           2753         -              Normal
  03/22/2026 02 PM PDT            6.67           2706         -              Normal
  03/22/2026 03 PM PDT            6.62           2660         -              Normal
  03/22/2026 04 PM PDT            6.59           2632         -              Normal
  03/22/2026 05 PM PDT            6.57           2614         -              Normal
  03/22/2026 06 PM PDT            6.58           2623         +              Normal
  03/22/2026 07 PM PDT            6.62           2660         +              Normal
  03/22/2026 08 PM PDT            6.69           2725         +              Normal
  03/22/2026 09 PM PDT            6.77           2800         +              Normal
  03/22/2026 10 PM PDT            6.84           2867         +              Normal
  03/22/2026 11 PM PDT            6.91           2935         +              Normal
  03/23/2026 12 AM PDT            6.95           2974         +              Normal
  03/23/2026 01 AM PDT            6.97           2994         +              Normal
  03/23/2026 02 AM PDT            6.99           3013         +              Normal
  03/23/2026 03 AM PDT            7.00           3023         +              Normal
  03/23/2026 04 AM PDT            7.00           3023         0              Normal
  03/23/2026 05 AM PDT            6.99           3013         -              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.