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MERCED RIVER - YOSEMITE NP AT POHONO BRIDGE (POHC1)
| Latitude: 37.72º N | Longitude: 119.67º W | Elevation: 3862 Feet | | Forecast Type: Official Location |
| Location: Mariposa County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | May 26 2026 at 7:30 AM PDT | Next Issuance: | May 27 2026 at 9:00 AM PDT
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| Action/Monitor: N/A | Minor Flood: 10.0 Feet | Moderate Flood: 12.5 Feet | Major Flood: 20.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Pohono Bridge (POHC1)
#
# File Generation Time: 05/26/2026 at 10:36 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/24/2026 at 10:00 AM PDT
# Maximum Observed Stage: 4.70 Feet
# Maximum Observed Flow: 1183 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/30/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 4.72 Feet
# Maximum Forecast Flow: 1195 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/21/2026 10 AM PDT 4.35 978 Normal
05/21/2026 11 AM PDT 4.42 1017 + Normal
05/21/2026 12 PM PDT 4.41 1012 - Normal
05/21/2026 01 PM PDT 4.40 1006 - Normal
05/21/2026 02 PM PDT 4.36 983 - Normal
05/21/2026 03 PM PDT 4.38 995 + Normal
05/21/2026 04 PM PDT 4.32 961 - Normal
05/21/2026 05 PM PDT 4.36 983 + Normal
05/21/2026 06 PM PDT 4.35 978 - Normal
05/21/2026 07 PM PDT 4.33 967 - Normal
05/21/2026 08 PM PDT 4.33 967 0 Normal
05/21/2026 09 PM PDT 4.30 950 - Normal
05/21/2026 10 PM PDT 4.30 950 0 Normal
05/21/2026 11 PM PDT 4.26 928 - Normal
05/22/2026 12 AM PDT 4.27 934 + Normal
05/22/2026 01 AM PDT 4.30 950 + Normal
05/22/2026 02 AM PDT 4.35 978 + Normal
05/22/2026 03 AM PDT 4.39 1000 + Normal
05/22/2026 04 AM PDT 4.45 1034 + Normal
05/22/2026 05 AM PDT 4.49 1058 + Normal
05/22/2026 06 AM PDT 4.54 1087 + Normal
05/22/2026 07 AM PDT 4.55 1093 + Normal
05/22/2026 08 AM PDT 4.56 1099 + Normal
05/22/2026 09 AM PDT 4.58 1110 + Normal
05/22/2026 10 AM PDT 4.61 1128 + Normal
05/22/2026 11 AM PDT 4.60 1122 - Normal
05/22/2026 12 PM PDT 4.62 1134 + Normal
05/22/2026 01 PM PDT 4.61 1128 - Normal
05/22/2026 02 PM PDT 4.61 1128 0 Normal
05/22/2026 03 PM PDT 4.55 1093 - Normal
05/22/2026 04 PM PDT 4.56 1099 + Normal
05/22/2026 05 PM PDT 4.57 1104 + Normal
05/22/2026 06 PM PDT 4.58 1110 + Normal
05/22/2026 07 PM PDT 4.51 1069 - Normal
05/22/2026 08 PM PDT 4.50 1063 - Normal
05/22/2026 09 PM PDT 4.52 1075 + Normal
05/22/2026 10 PM PDT 4.45 1034 - Normal
05/22/2026 11 PM PDT 4.47 1046 + Normal
05/23/2026 12 AM PDT 4.45 1034 - Normal
05/23/2026 01 AM PDT 4.49 1058 + Normal
05/23/2026 02 AM PDT 4.55 1093 + Normal
05/23/2026 03 AM PDT 4.56 1099 + Normal
05/23/2026 04 AM PDT 4.59 1116 + Normal
05/23/2026 05 AM PDT 4.64 1146 + Normal
05/23/2026 06 AM PDT 4.65 1152 + Normal
05/23/2026 07 AM PDT 4.66 1158 + Normal
05/23/2026 08 AM PDT 4.67 1165 + Normal
05/23/2026 09 AM PDT 4.66 1158 - Normal
05/23/2026 10 AM PDT 4.65 1152 - Normal
05/23/2026 11 AM PDT 4.64 1146 - Normal
05/23/2026 12 PM PDT 4.62 1134 - Normal
05/23/2026 01 PM PDT 4.61 1128 - Normal
05/23/2026 02 PM PDT 4.61 1128 0 Normal
05/23/2026 03 PM PDT 4.59 1116 - Normal
05/23/2026 04 PM PDT 4.56 1099 - Normal
05/23/2026 05 PM PDT 4.53 1081 - Normal
05/23/2026 06 PM PDT 4.52 1075 - Normal
05/23/2026 07 PM PDT 4.49 1058 - Normal
05/23/2026 08 PM PDT 4.48 1052 - Normal
05/23/2026 09 PM PDT 4.43 1023 - Normal
05/23/2026 10 PM PDT 4.42 1017 - Normal
05/23/2026 11 PM PDT 4.40 1006 - Normal
05/24/2026 12 AM PDT 4.39 1000 - Normal
05/24/2026 01 AM PDT 4.45 1034 + Normal
05/24/2026 02 AM PDT 4.48 1052 + Normal
05/24/2026 03 AM PDT 4.50 1063 + Normal
05/24/2026 04 AM PDT 4.54 1087 + Normal
05/24/2026 05 AM PDT 4.58 1110 + Normal
05/24/2026 06 AM PDT 4.62 1134 + Normal
05/24/2026 07 AM PDT 4.63 1140 + Normal
05/24/2026 08 AM PDT 4.64 1146 + Normal
05/24/2026 09 AM PDT 4.67 1165 + Normal
05/24/2026 10 AM PDT 4.70 1183 + Normal
05/24/2026 11 AM PDT 4.68 1171 - Normal
05/24/2026 12 PM PDT 4.67 1165 - Normal
05/24/2026 01 PM PDT 4.66 1158 - Normal
05/24/2026 02 PM PDT 4.65 1152 - Normal
05/24/2026 03 PM PDT 4.66 1158 + Normal
05/24/2026 04 PM PDT 4.64 1146 - Normal
05/24/2026 05 PM PDT 4.60 1122 - Normal
05/24/2026 06 PM PDT 4.62 1134 + Normal
05/24/2026 07 PM PDT 4.57 1104 - Normal
05/24/2026 08 PM PDT 4.53 1081 - Normal
05/24/2026 09 PM PDT 4.52 1075 - Normal
05/24/2026 10 PM PDT 4.52 1075 0 Normal
05/24/2026 11 PM PDT 4.53 1081 + Normal
05/25/2026 12 AM PDT 4.55 1093 + Normal
05/25/2026 01 AM PDT 4.54 1087 - Normal
05/25/2026 02 AM PDT 4.59 1116 + Normal
05/25/2026 03 AM PDT 4.59 1116 0 Normal
05/25/2026 04 AM PDT 4.61 1128 + Normal
05/25/2026 05 AM PDT 4.64 1146 + Normal
05/25/2026 06 AM PDT 4.63 1140 - Normal
05/25/2026 07 AM PDT 4.65 1152 + Normal
05/25/2026 08 AM PDT 4.62 1134 - Normal
05/25/2026 09 AM PDT 4.62 1134 0 Normal
05/25/2026 10 AM PDT 4.59 1116 - Normal
05/25/2026 11 AM PDT 4.60 1122 + Normal
05/25/2026 12 PM PDT 4.59 1116 - Normal
05/25/2026 01 PM PDT 4.57 1104 - Normal
05/25/2026 02 PM PDT 4.53 1081 - Normal
05/25/2026 03 PM PDT 4.56 1099 + Normal
05/25/2026 04 PM PDT 4.54 1087 - Normal
05/25/2026 05 PM PDT 4.51 1069 - Normal
05/25/2026 06 PM PDT 4.44 1029 - Normal
05/25/2026 07 PM PDT 4.46 1040 + Normal
05/25/2026 08 PM PDT 4.44 1029 - Normal
05/25/2026 09 PM PDT 4.40 1006 - Normal
05/25/2026 10 PM PDT 4.37 989 - Normal
05/25/2026 11 PM PDT 4.40 1006 + Normal
05/26/2026 12 AM PDT 4.42 1017 + Normal
05/26/2026 01 AM PDT 4.41 1012 - Normal
05/26/2026 02 AM PDT 4.44 1029 + Normal
05/26/2026 03 AM PDT 4.48 1052 + Normal
05/26/2026 04 AM PDT 4.53 1081 + Normal
05/26/2026 05 AM PDT 4.57 1104 + Normal
05/26/2026 06 AM PDT 4.62 1134 + Normal
05/26/2026 07 AM PDT 4.65 1152 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/26/2026 10 AM PDT 4.63 1140 Normal
05/26/2026 11 AM PDT 4.60 1122 - Normal
05/26/2026 12 PM PDT 4.58 1110 - Normal
05/26/2026 01 PM PDT 4.55 1093 - Normal
05/26/2026 02 PM PDT 4.52 1075 - Normal
05/26/2026 03 PM PDT 4.48 1052 - Normal
05/26/2026 04 PM PDT 4.45 1034 - Normal
05/26/2026 05 PM PDT 4.42 1017 - Normal
05/26/2026 06 PM PDT 4.39 1000 - Normal
05/26/2026 07 PM PDT 4.37 989 - Normal
05/26/2026 08 PM PDT 4.35 978 - Normal
05/26/2026 09 PM PDT 4.34 972 - Normal
05/26/2026 10 PM PDT 4.34 972 0 Normal
05/26/2026 11 PM PDT 4.33 967 - Normal
05/27/2026 12 AM PDT 4.33 967 0 Normal
05/27/2026 01 AM PDT 4.32 961 - Normal
05/27/2026 02 AM PDT 4.31 956 - Normal
05/27/2026 03 AM PDT 4.29 945 - Normal
05/27/2026 04 AM PDT 4.28 939 - Normal
05/27/2026 05 AM PDT 4.26 928 - Normal
05/27/2026 06 AM PDT 4.24 918 - Normal
05/27/2026 07 AM PDT 4.22 907 - Normal
05/27/2026 08 AM PDT 4.20 896 - Normal
05/27/2026 09 AM PDT 4.17 880 - Normal
05/27/2026 10 AM PDT 4.15 870 - Normal
05/27/2026 11 AM PDT 4.13 859 - Normal
05/27/2026 12 PM PDT 4.11 849 - Normal
05/27/2026 01 PM PDT 4.09 838 - Normal
05/27/2026 02 PM PDT 4.07 828 - Normal
05/27/2026 03 PM PDT 4.05 818 - Normal
05/27/2026 04 PM PDT 4.03 808 - Normal
05/27/2026 05 PM PDT 4.02 803 - Normal
05/27/2026 06 PM PDT 4.00 793 - Normal
05/27/2026 07 PM PDT 4.00 793 0 Normal
05/27/2026 08 PM PDT 3.99 788 - Normal
05/27/2026 09 PM PDT 4.00 793 + Normal
05/27/2026 10 PM PDT 4.00 793 0 Normal
05/27/2026 11 PM PDT 4.01 798 + Normal
05/28/2026 12 AM PDT 4.02 803 + Normal
05/28/2026 01 AM PDT 4.03 808 + Normal
05/28/2026 02 AM PDT 4.04 813 + Normal
05/28/2026 03 AM PDT 4.05 818 + Normal
05/28/2026 04 AM PDT 4.06 823 + Normal
05/28/2026 05 AM PDT 4.07 828 + Normal
05/28/2026 06 AM PDT 4.08 833 + Normal
05/28/2026 07 AM PDT 4.09 838 + Normal
05/28/2026 08 AM PDT 4.09 838 0 Normal
05/28/2026 09 AM PDT 4.10 844 + Normal
05/28/2026 10 AM PDT 4.10 844 0 Normal
05/28/2026 11 AM PDT 4.09 838 - Normal
05/28/2026 12 PM PDT 4.09 838 0 Normal
05/28/2026 01 PM PDT 4.09 838 0 Normal
05/28/2026 02 PM PDT 4.09 838 0 Normal
05/28/2026 03 PM PDT 4.08 833 - Normal
05/28/2026 04 PM PDT 4.08 833 0 Normal
05/28/2026 05 PM PDT 4.07 828 - Normal
05/28/2026 06 PM PDT 4.07 828 0 Normal
05/28/2026 07 PM PDT 4.08 833 + Normal
05/28/2026 08 PM PDT 4.09 838 + Normal
05/28/2026 09 PM PDT 4.11 849 + Normal
05/28/2026 10 PM PDT 4.13 859 + Normal
05/28/2026 11 PM PDT 4.16 875 + Normal
05/29/2026 12 AM PDT 4.18 885 + Normal
05/29/2026 01 AM PDT 4.21 901 + Normal
05/29/2026 02 AM PDT 4.23 912 + Normal
05/29/2026 03 AM PDT 4.25 923 + Normal
05/29/2026 04 AM PDT 4.27 934 + Normal
05/29/2026 05 AM PDT 4.29 945 + Normal
05/29/2026 06 AM PDT 4.31 956 + Normal
05/29/2026 07 AM PDT 4.32 961 + Normal
05/29/2026 08 AM PDT 4.32 961 0 Normal
05/29/2026 09 AM PDT 4.33 967 + Normal
05/29/2026 10 AM PDT 4.32 961 - Normal
05/29/2026 11 AM PDT 4.32 961 0 Normal
05/29/2026 12 PM PDT 4.31 956 - Normal
05/29/2026 01 PM PDT 4.31 956 0 Normal
05/29/2026 02 PM PDT 4.30 950 - Normal
05/29/2026 03 PM PDT 4.29 945 - Normal
05/29/2026 04 PM PDT 4.29 945 0 Normal
05/29/2026 05 PM PDT 4.28 939 - Normal
05/29/2026 06 PM PDT 4.28 939 0 Normal
05/29/2026 07 PM PDT 4.29 945 + Normal
05/29/2026 08 PM PDT 4.30 950 + Normal
05/29/2026 09 PM PDT 4.33 967 + Normal
05/29/2026 10 PM PDT 4.37 989 + Normal
05/29/2026 11 PM PDT 4.41 1012 + Normal
05/30/2026 12 AM PDT 4.45 1034 + Normal
05/30/2026 01 AM PDT 4.49 1058 + Normal
05/30/2026 02 AM PDT 4.53 1081 + Normal
05/30/2026 03 AM PDT 4.57 1104 + Normal
05/30/2026 04 AM PDT 4.62 1134 + Normal
05/30/2026 05 AM PDT 4.66 1158 + Normal
05/30/2026 06 AM PDT 4.69 1177 + Normal
05/30/2026 07 AM PDT 4.71 1189 + Normal
05/30/2026 08 AM PDT 4.72 1195 + Normal
05/30/2026 09 AM PDT 4.71 1189 - Normal
05/30/2026 10 AM PDT 4.68 1171 - Normal
05/30/2026 11 AM PDT 4.65 1152 - Normal
05/30/2026 12 PM PDT 4.61 1128 - Normal
05/30/2026 01 PM PDT 4.57 1104 - Normal
05/30/2026 02 PM PDT 4.53 1081 - Normal
05/30/2026 03 PM PDT 4.49 1058 - Normal
05/30/2026 04 PM PDT 4.45 1034 - Normal
05/30/2026 05 PM PDT 4.42 1017 - Normal
05/30/2026 06 PM PDT 4.39 1000 - Normal
05/30/2026 07 PM PDT 4.38 995 - Normal
05/30/2026 08 PM PDT 4.38 995 0 Normal
05/30/2026 09 PM PDT 4.41 1012 + Normal
05/30/2026 10 PM PDT 4.44 1029 + Normal
05/30/2026 11 PM PDT 4.48 1052 + Normal
05/31/2026 12 AM PDT 4.53 1081 + Normal
05/31/2026 01 AM PDT 4.57 1104 + Normal
05/31/2026 02 AM PDT 4.61 1128 + Normal
05/31/2026 03 AM PDT 4.63 1140 + Normal
05/31/2026 04 AM PDT 4.64 1146 + Normal
05/31/2026 05 AM PDT 4.64 1146 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.
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