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 08 2026 at 8:57 AM PDTNext Issuance: May 09 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:  05/08/2026 at 08:57 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/08/2026 at 05:00 AM PDT
# Maximum Observed Stage:                       5.57 Feet
# Maximum Observed Flow:                        1778 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/13/2026 at 03:00 AM PDT
# Maximum Forecast Stage:                       7.95 Feet
# Maximum Forecast Flow:                        4034 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/03/2026 08 AM PDT            5.05           1408                        Normal
  05/03/2026 09 AM PDT            5.09           1435         +              Normal
  05/03/2026 10 AM PDT            5.06           1414         -              Normal
  05/03/2026 11 AM PDT            5.05           1408         -              Normal
  05/03/2026 12 PM PDT            5.04           1401         -              Normal
  05/03/2026 01 PM PDT            5.02           1388         -              Normal
  05/03/2026 02 PM PDT            5.02           1388         0              Normal
  05/03/2026 03 PM PDT            4.98           1361         -              Normal
  05/03/2026 04 PM PDT            4.95           1341         -              Normal
  05/03/2026 05 PM PDT            4.94           1335         -              Normal
  05/03/2026 06 PM PDT            4.92           1322         -              Normal
  05/03/2026 07 PM PDT            4.91           1315         -              Normal
  05/03/2026 08 PM PDT            4.85           1277         -              Normal
  05/03/2026 09 PM PDT            4.87           1290         +              Normal
  05/03/2026 10 PM PDT            4.86           1283         -              Normal
  05/03/2026 11 PM PDT            4.89           1302         +              Normal
  05/04/2026 12 AM PDT            4.93           1328         +              Normal
  05/04/2026 01 AM PDT            4.95           1341         +              Normal
  05/04/2026 02 AM PDT            4.97           1355         +              Normal
  05/04/2026 03 AM PDT            4.99           1368         +              Normal
  05/04/2026 04 AM PDT            5.01           1381         +              Normal
  05/04/2026 05 AM PDT            5.01           1381         0              Normal
  05/04/2026 06 AM PDT            5.02           1388         +              Normal
  05/04/2026 07 AM PDT            4.99           1368         -              Normal
  05/04/2026 08 AM PDT            5.03           1394         +              Normal
  05/04/2026 09 AM PDT            5.04           1401         +              Normal
  05/04/2026 10 AM PDT            5.03           1394         -              Normal
  05/04/2026 11 AM PDT            4.99           1368         -              Normal
  05/04/2026 12 PM PDT            5.03           1394         +              Normal
  05/04/2026 01 PM PDT            4.97           1355         -              Normal
  05/04/2026 02 PM PDT            5.02           1388         +              Normal
  05/04/2026 03 PM PDT            5.02           1388         0              Normal
  05/04/2026 04 PM PDT            4.98           1361         -              Normal
  05/04/2026 05 PM PDT            5.02           1388         +              Normal
  05/04/2026 06 PM PDT            5.06           1414         +              Normal
  05/04/2026 07 PM PDT            5.11           1448         +              Normal
  05/04/2026 08 PM PDT            5.12           1455         +              Normal
  05/04/2026 09 PM PDT            5.13           1462         +              Normal
  05/04/2026 10 PM PDT            5.12           1455         -              Normal
  05/04/2026 11 PM PDT            5.11           1448         -              Normal
  05/05/2026 12 AM PDT            5.12           1455         +              Normal
  05/05/2026 01 AM PDT            5.13           1462         +              Normal
  05/05/2026 02 AM PDT            5.07           1421         -              Normal
  05/05/2026 03 AM PDT            5.06           1414         -              Normal
  05/05/2026 04 AM PDT            5.04           1401         -              Normal
  05/05/2026 05 AM PDT            5.03           1394         -              Normal
  05/05/2026 06 AM PDT            5.01           1381         -              Normal
  05/05/2026 07 AM PDT            5.00           1374         -              Normal
  05/05/2026 08 AM PDT            5.00           1374         0              Normal
  05/05/2026 09 AM PDT            4.95           1341         -              Normal
  05/05/2026 10 AM PDT            4.97           1355         +              Normal
  05/05/2026 11 AM PDT            4.94           1335         -              Normal
  05/05/2026 12 PM PDT            4.93           1328         -              Normal
  05/05/2026 01 PM PDT            4.90           1309         -              Normal
  05/05/2026 02 PM PDT            4.89           1302         -              Normal
  05/05/2026 03 PM PDT            4.87           1290         -              Normal
  05/05/2026 04 PM PDT            4.86           1283         -              Normal
  05/05/2026 05 PM PDT            4.82           1258         -              Normal
  05/05/2026 06 PM PDT            4.81           1251         -              Normal
  05/05/2026 07 PM PDT            4.81           1251         0              Normal
  05/05/2026 08 PM PDT            4.79           1239         -              Normal
  05/05/2026 09 PM PDT            4.77           1226         -              Normal
  05/05/2026 10 PM PDT            4.78           1233         +              Normal
  05/05/2026 11 PM PDT            4.78           1233         0              Normal
  05/06/2026 12 AM PDT            4.80           1245         +              Normal
  05/06/2026 01 AM PDT            4.80           1245         0              Normal
  05/06/2026 02 AM PDT            4.82           1258         +              Normal
  05/06/2026 03 AM PDT            4.81           1251         -              Normal
  05/06/2026 04 AM PDT            4.83           1264         +              Normal
  05/06/2026 05 AM PDT            4.80           1245         -              Normal
  05/06/2026 06 AM PDT            4.80           1245         0              Normal
  05/06/2026 07 AM PDT            4.77           1226         -              Normal
  05/06/2026 08 AM PDT            4.77           1226         0              Normal
  05/06/2026 09 AM PDT            4.77           1226         0              Normal
  05/06/2026 10 AM PDT            4.77           1226         0              Normal
  05/06/2026 11 AM PDT            4.76           1220         -              Normal
  05/06/2026 12 PM PDT            4.75           1214         -              Normal
  05/06/2026 01 PM PDT            4.71           1189         -              Normal
  05/06/2026 02 PM PDT            4.71           1189         0              Normal
  05/06/2026 03 PM PDT            4.69           1177         -              Normal
  05/06/2026 04 PM PDT            4.69           1177         0              Normal
  05/06/2026 05 PM PDT            4.66           1158         -              Normal
  05/06/2026 06 PM PDT            4.66           1158         0              Normal
  05/06/2026 07 PM PDT            4.62           1134         -              Normal
  05/06/2026 08 PM PDT            4.63           1140         +              Normal
  05/06/2026 09 PM PDT            4.64           1146         +              Normal
  05/06/2026 10 PM PDT            4.63           1140         -              Normal
  05/06/2026 11 PM PDT            4.68           1171         +              Normal
  05/07/2026 12 AM PDT            4.76           1220         +              Normal
  05/07/2026 01 AM PDT            4.85           1277         +              Normal
  05/07/2026 02 AM PDT            4.93           1328         +              Normal
  05/07/2026 03 AM PDT            4.97           1355         +              Normal
  05/07/2026 04 AM PDT            5.03           1394         +              Normal
  05/07/2026 05 AM PDT            5.10           1441         +              Normal
  05/07/2026 06 AM PDT            5.14           1469         +              Normal
  05/07/2026 07 AM PDT            5.14           1469         0              Normal
  05/07/2026 08 AM PDT            5.12           1455         -              Normal
  05/07/2026 09 AM PDT            5.13           1462         +              Normal
  05/07/2026 10 AM PDT            5.13           1462         0              Normal
  05/07/2026 11 AM PDT            5.13           1462         0              Normal
  05/07/2026 12 PM PDT            5.12           1455         -              Normal
  05/07/2026 01 PM PDT            5.12           1455         0              Normal
  05/07/2026 02 PM PDT            5.13           1462         +              Normal
  05/07/2026 03 PM PDT            5.06           1414         -              Normal
  05/07/2026 04 PM PDT            5.05           1408         -              Normal
  05/07/2026 05 PM PDT            5.02           1388         -              Normal
  05/07/2026 06 PM PDT            5.00           1374         -              Normal
  05/07/2026 07 PM PDT            4.99           1368         -              Normal
  05/07/2026 08 PM PDT            4.97           1355         -              Normal
  05/07/2026 09 PM PDT            5.00           1374         +              Normal
  05/07/2026 10 PM PDT            5.02           1388         +              Normal
  05/07/2026 11 PM PDT            5.09           1435         +              Normal
  05/08/2026 12 AM PDT            5.23           1531         +              Normal
  05/08/2026 01 AM PDT            5.31           1587         +              Normal
  05/08/2026 02 AM PDT            5.41           1659         +              Normal
  05/08/2026 03 AM PDT            5.50           1726         +              Normal
  05/08/2026 04 AM PDT            5.50           1726         0              Normal
  05/08/2026 05 AM PDT            5.57           1778         +              Normal
  05/08/2026 06 AM PDT            5.54           1756         -              Normal
  05/08/2026 07 AM PDT            5.54           1756         0              Normal
  05/08/2026 08 AM PDT            5.54           1756         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/08/2026 09 AM PDT            5.53           1748                        Normal
  05/08/2026 10 AM PDT            5.51           1733         -              Normal
  05/08/2026 11 AM PDT            5.49           1718         -              Normal
  05/08/2026 12 PM PDT            5.47           1703         -              Normal
  05/08/2026 01 PM PDT            5.46           1696         -              Normal
  05/08/2026 02 PM PDT            5.45           1689         -              Normal
  05/08/2026 03 PM PDT            5.45           1689         0              Normal
  05/08/2026 04 PM PDT            5.45           1689         0              Normal
  05/08/2026 05 PM PDT            5.46           1696         +              Normal
  05/08/2026 06 PM PDT            5.49           1718         +              Normal
  05/08/2026 07 PM PDT            5.55           1763         +              Normal
  05/08/2026 08 PM PDT            5.65           1839         +              Normal
  05/08/2026 09 PM PDT            5.76           1924         +              Normal
  05/08/2026 10 PM PDT            5.88           2020         +              Normal
  05/08/2026 11 PM PDT            6.00           2118         +              Normal
  05/09/2026 12 AM PDT            6.11           2209         +              Normal
  05/09/2026 01 AM PDT            6.18           2269         +              Normal
  05/09/2026 02 AM PDT            6.24           2320         +              Normal
  05/09/2026 03 AM PDT            6.31           2381         +              Normal
  05/09/2026 04 AM PDT            6.35           2416         +              Normal
  05/09/2026 05 AM PDT            6.37           2434         +              Normal
  05/09/2026 06 AM PDT            6.39           2451         +              Normal
  05/09/2026 07 AM PDT            6.38           2442         -              Normal
  05/09/2026 08 AM PDT            6.34           2407         -              Normal
  05/09/2026 09 AM PDT            6.31           2381         -              Normal
  05/09/2026 10 AM PDT            6.28           2355         -              Normal
  05/09/2026 11 AM PDT            6.25           2329         -              Normal
  05/09/2026 12 PM PDT            6.22           2303         -              Normal
  05/09/2026 01 PM PDT            6.19           2277         -              Normal
  05/09/2026 02 PM PDT            6.17           2260         -              Normal
  05/09/2026 03 PM PDT            6.15           2243         -              Normal
  05/09/2026 04 PM PDT            6.14           2235         -              Normal
  05/09/2026 05 PM PDT            6.14           2235         0              Normal
  05/09/2026 06 PM PDT            6.17           2260         +              Normal
  05/09/2026 07 PM PDT            6.27           2346         +              Normal
  05/09/2026 08 PM PDT            6.38           2442         +              Normal
  05/09/2026 09 PM PDT            6.51           2559         +              Normal
  05/09/2026 10 PM PDT            6.67           2706         +              Normal
  05/09/2026 11 PM PDT            6.79           2819         +              Normal
  05/10/2026 12 AM PDT            6.88           2906         +              Normal
  05/10/2026 01 AM PDT            6.95           2974         +              Normal
  05/10/2026 02 AM PDT            6.99           3013         +              Normal
  05/10/2026 03 AM PDT            7.03           3053         +              Normal
  05/10/2026 04 AM PDT            7.06           3083         +              Normal
  05/10/2026 05 AM PDT            7.08           3103         +              Normal
  05/10/2026 06 AM PDT            7.08           3103         0              Normal
  05/10/2026 07 AM PDT            7.07           3093         -              Normal
  05/10/2026 08 AM PDT            7.03           3053         -              Normal
  05/10/2026 09 AM PDT            6.98           3003         -              Normal
  05/10/2026 10 AM PDT            6.93           2954         -              Normal
  05/10/2026 11 AM PDT            6.90           2925         -              Normal
  05/10/2026 12 PM PDT            6.86           2886         -              Normal
  05/10/2026 01 PM PDT            6.85           2877         -              Normal
  05/10/2026 02 PM PDT            6.83           2858         -              Normal
  05/10/2026 03 PM PDT            6.82           2848         -              Normal
  05/10/2026 04 PM PDT            6.83           2858         +              Normal
  05/10/2026 05 PM PDT            6.84           2867         +              Normal
  05/10/2026 06 PM PDT            6.91           2935         +              Normal
  05/10/2026 07 PM PDT            7.02           3043         +              Normal
  05/10/2026 08 PM PDT            7.14           3163         +              Normal
  05/10/2026 09 PM PDT            7.27           3295         +              Normal
  05/10/2026 10 PM PDT            7.39           3420         +              Normal
  05/10/2026 11 PM PDT            7.51           3548         +              Normal
  05/11/2026 12 AM PDT            7.60           3645         +              Normal
  05/11/2026 01 AM PDT            7.64           3688         +              Normal
  05/11/2026 02 AM PDT            7.68           3732         +              Normal
  05/11/2026 03 AM PDT            7.71           3765         +              Normal
  05/11/2026 04 AM PDT            7.72           3776         +              Normal
  05/11/2026 05 AM PDT            7.73           3787         +              Normal
  05/11/2026 06 AM PDT            7.71           3765         -              Normal
  05/11/2026 07 AM PDT            7.67           3721         -              Normal
  05/11/2026 08 AM PDT            7.61           3655         -              Normal
  05/11/2026 09 AM PDT            7.55           3591         -              Normal
  05/11/2026 10 AM PDT            7.48           3516         -              Normal
  05/11/2026 11 AM PDT            7.43           3463         -              Normal
  05/11/2026 12 PM PDT            7.38           3410         -              Normal
  05/11/2026 01 PM PDT            7.33           3358         -              Normal
  05/11/2026 02 PM PDT            7.29           3316         -              Normal
  05/11/2026 03 PM PDT            7.26           3285         -              Normal
  05/11/2026 04 PM PDT            7.24           3265         -              Normal
  05/11/2026 05 PM PDT            7.22           3244         -              Normal
  05/11/2026 06 PM PDT            7.27           3295         +              Normal
  05/11/2026 07 PM PDT            7.37           3399         +              Normal
  05/11/2026 08 PM PDT            7.48           3516         +              Normal
  05/11/2026 09 PM PDT            7.59           3634         +              Normal
  05/11/2026 10 PM PDT            7.70           3754         +              Normal
  05/11/2026 11 PM PDT            7.80           3865         +              Normal
  05/12/2026 12 AM PDT            7.86           3932         +              Normal
  05/12/2026 01 AM PDT            7.90           3977         +              Normal
  05/12/2026 02 AM PDT            7.92           4000         +              Normal
  05/12/2026 03 AM PDT            7.94           4023         +              Normal
  05/12/2026 04 AM PDT            7.94           4023         0              Normal
  05/12/2026 05 AM PDT            7.93           4011         -              Normal
  05/12/2026 06 AM PDT            7.91           3989         -              Normal
  05/12/2026 07 AM PDT            7.86           3932         -              Normal
  05/12/2026 08 AM PDT            7.80           3865         -              Normal
  05/12/2026 09 AM PDT            7.73           3787         -              Normal
  05/12/2026 10 AM PDT            7.66           3710         -              Normal
  05/12/2026 11 AM PDT            7.60           3645         -              Normal
  05/12/2026 12 PM PDT            7.54           3580         -              Normal
  05/12/2026 01 PM PDT            7.50           3537         -              Normal
  05/12/2026 02 PM PDT            7.45           3484         -              Normal
  05/12/2026 03 PM PDT            7.40           3431         -              Normal
  05/12/2026 04 PM PDT            7.38           3410         -              Normal
  05/12/2026 05 PM PDT            7.36           3389         -              Normal
  05/12/2026 06 PM PDT            7.40           3431         +              Normal
  05/12/2026 07 PM PDT            7.48           3516         +              Normal
  05/12/2026 08 PM PDT            7.57           3612         +              Normal
  05/12/2026 09 PM PDT            7.67           3721         +              Normal
  05/12/2026 10 PM PDT            7.76           3820         +              Normal
  05/12/2026 11 PM PDT            7.85           3921         +              Normal
  05/13/2026 12 AM PDT            7.90           3977         +              Normal
  05/13/2026 01 AM PDT            7.92           4000         +              Normal
  05/13/2026 02 AM PDT            7.94           4023         +              Normal
  05/13/2026 03 AM PDT            7.95           4034         +              Normal
  05/13/2026 04 AM PDT            7.94           4023         -              Normal
  05/13/2026 05 AM PDT            7.92           4000         -              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.