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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: | Sep 20 2026 at 7:55 AM PDT | Next Issuance: | Sep 21 2026 at 9:00 AM PDT
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| Action: 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: 09/20/2026 at 07:55 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 09/15/2026 at 10:00 PM PDT
# Maximum Observed Stage: 1.07 Feet
# Maximum Observed Flow: 19 cfs
#
# Earliest Date & Time of Maximum Forecast: 09/22/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 1.07 Feet
# Maximum Forecast Flow: 19 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
09/15/2026 07 AM PDT 1.07 19 Normal
09/15/2026 08 AM PDT 1.07 19 0 Normal
09/15/2026 09 AM PDT 1.07 19 0 Normal
09/15/2026 10 AM PDT 1.07 19 0 Normal
09/15/2026 11 AM PDT 1.07 19 0 Normal
09/15/2026 12 PM PDT 1.07 19 0 Normal
09/15/2026 01 PM PDT 1.07 19 0 Normal
09/15/2026 02 PM PDT 1.07 19 0 Normal
09/15/2026 03 PM PDT 1.07 19 0 Normal
09/15/2026 04 PM PDT 1.07 19 0 Normal
09/15/2026 05 PM PDT 1.07 19 0 Normal
09/15/2026 06 PM PDT 1.07 19 0 Normal
09/15/2026 07 PM PDT 1.07 19 0 Normal
09/15/2026 08 PM PDT 1.07 19 0 Normal
09/15/2026 09 PM PDT 1.07 19 0 Normal
09/15/2026 10 PM PDT 1.07 19 0 Normal
09/15/2026 11 PM PDT 1.06 19 - Normal
09/16/2026 12 AM PDT 1.06 19 0 Normal
09/16/2026 01 AM PDT 1.06 19 0 Normal
09/16/2026 02 AM PDT 1.06 19 0 Normal
09/16/2026 03 AM PDT 1.06 19 0 Normal
09/16/2026 04 AM PDT 1.06 19 0 Normal
09/16/2026 05 AM PDT 1.06 19 0 Normal
09/16/2026 06 AM PDT 1.06 19 0 Normal
09/16/2026 07 AM PDT 1.06 19 0 Normal
09/16/2026 08 AM PDT 1.06 19 0 Normal
09/16/2026 09 AM PDT 1.06 19 0 Normal
09/16/2026 10 AM PDT 1.06 19 0 Normal
09/16/2026 11 AM PDT 1.06 19 0 Normal
09/16/2026 12 PM PDT 1.06 19 0 Normal
09/16/2026 01 PM PDT 1.06 19 0 Normal
09/16/2026 02 PM PDT 1.06 19 0 Normal
09/16/2026 03 PM PDT 1.06 19 0 Normal
09/16/2026 04 PM PDT 1.06 19 0 Normal
09/16/2026 05 PM PDT 1.06 19 0 Normal
09/16/2026 06 PM PDT 1.06 19 0 Normal
09/16/2026 07 PM PDT 1.06 19 0 Normal
09/16/2026 08 PM PDT 1.06 19 0 Normal
09/16/2026 09 PM PDT 1.06 19 0 Normal
09/16/2026 10 PM PDT 1.06 19 0 Normal
09/16/2026 11 PM PDT 1.05 18 - Normal
09/17/2026 12 AM PDT 1.05 18 0 Normal
09/17/2026 01 AM PDT 1.05 18 0 Normal
09/17/2026 02 AM PDT 1.05 18 0 Normal
09/17/2026 03 AM PDT 1.05 18 0 Normal
09/17/2026 04 AM PDT 1.05 18 0 Normal
09/17/2026 05 AM PDT 1.05 18 0 Normal
09/17/2026 06 AM PDT 1.05 18 0 Normal
09/17/2026 07 AM PDT 1.05 18 0 Normal
09/17/2026 08 AM PDT 1.05 18 0 Normal
09/17/2026 09 AM PDT 1.05 18 0 Normal
09/17/2026 10 AM PDT 1.05 18 0 Normal
09/17/2026 11 AM PDT 1.05 18 0 Normal
09/17/2026 12 PM PDT 1.06 19 + Normal
09/17/2026 01 PM PDT 1.05 18 - Normal
09/17/2026 02 PM PDT 1.05 18 0 Normal
09/17/2026 03 PM PDT 1.05 18 0 Normal
09/17/2026 04 PM PDT 1.05 18 0 Normal
09/17/2026 05 PM PDT 1.05 18 0 Normal
09/17/2026 06 PM PDT 1.05 18 0 Normal
09/17/2026 07 PM PDT 1.05 18 0 Normal
09/17/2026 08 PM PDT 1.05 18 0 Normal
09/17/2026 09 PM PDT 1.05 18 0 Normal
09/17/2026 10 PM PDT 1.05 18 0 Normal
09/17/2026 11 PM PDT 1.05 18 0 Normal
09/18/2026 12 AM PDT 1.05 18 0 Normal
09/18/2026 01 AM PDT 1.05 18 0 Normal
09/18/2026 02 AM PDT 1.05 18 0 Normal
09/18/2026 03 AM PDT 1.05 18 0 Normal
09/18/2026 04 AM PDT 1.05 18 0 Normal
09/18/2026 05 AM PDT 1.05 18 0 Normal
09/18/2026 06 AM PDT 1.05 18 0 Normal
09/18/2026 07 AM PDT 1.05 18 0 Normal
09/18/2026 08 AM PDT 1.05 18 0 Normal
09/18/2026 09 AM PDT 1.05 18 0 Normal
09/18/2026 10 AM PDT 1.05 18 0 Normal
09/18/2026 11 AM PDT 1.05 18 0 Normal
09/18/2026 12 PM PDT 1.05 18 0 Normal
09/18/2026 01 PM PDT 1.05 18 0 Normal
09/18/2026 02 PM PDT 1.05 18 0 Normal
09/18/2026 03 PM PDT 1.05 18 0 Normal
09/18/2026 04 PM PDT 1.05 18 0 Normal
09/18/2026 05 PM PDT 1.05 18 0 Normal
09/18/2026 06 PM PDT 1.05 18 0 Normal
09/18/2026 07 PM PDT 1.05 18 0 Normal
09/18/2026 08 PM PDT 1.05 18 0 Normal
09/18/2026 09 PM PDT 1.05 18 0 Normal
09/18/2026 10 PM PDT 1.05 18 0 Normal
09/18/2026 11 PM PDT 1.05 18 0 Normal
09/19/2026 12 AM PDT 1.04 18 - Normal
09/19/2026 01 AM PDT 1.04 18 0 Normal
09/19/2026 02 AM PDT 1.04 18 0 Normal
09/19/2026 03 AM PDT 1.04 18 0 Normal
09/19/2026 04 AM PDT 1.04 18 0 Normal
09/19/2026 05 AM PDT 1.04 18 0 Normal
09/19/2026 06 AM PDT 1.04 18 0 Normal
09/19/2026 07 AM PDT 1.04 18 0 Normal
09/19/2026 08 AM PDT 1.04 18 0 Normal
09/19/2026 09 AM PDT 1.04 18 0 Normal
09/19/2026 10 AM PDT 1.04 18 0 Normal
09/19/2026 11 AM PDT 1.04 18 0 Normal
09/19/2026 12 PM PDT 1.04 18 0 Normal
09/19/2026 01 PM PDT 1.04 18 0 Normal
09/19/2026 02 PM PDT 1.04 18 0 Normal
09/19/2026 03 PM PDT 1.04 18 0 Normal
09/19/2026 04 PM PDT 1.05 18 + Normal
09/19/2026 05 PM PDT 1.05 18 0 Normal
09/19/2026 06 PM PDT 1.05 18 0 Normal
09/19/2026 07 PM PDT 1.04 18 - Normal
09/19/2026 08 PM PDT 1.04 18 0 Normal
09/19/2026 09 PM PDT 1.04 18 0 Normal
09/19/2026 10 PM PDT 1.04 18 0 Normal
09/19/2026 11 PM PDT 1.04 18 0 Normal
09/20/2026 12 AM PDT 1.04 18 0 Normal
09/20/2026 01 AM PDT 1.04 18 0 Normal
09/20/2026 02 AM PDT 1.04 18 0 Normal
09/20/2026 03 AM PDT 1.04 18 0 Normal
09/20/2026 04 AM PDT 1.04 18 0 Normal
09/20/2026 05 AM PDT 1.04 18 0 Normal
09/20/2026 06 AM PDT 1.04 18 0 Normal
09/20/2026 07 AM PDT 1.04 18 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
09/20/2026 08 AM PDT 1.04 18 Normal
09/20/2026 09 AM PDT 1.04 18 0 Normal
09/20/2026 10 AM PDT 1.04 18 0 Normal
09/20/2026 11 AM PDT 1.04 18 0 Normal
09/20/2026 12 PM PDT 1.04 18 0 Normal
09/20/2026 01 PM PDT 1.04 18 0 Normal
09/20/2026 02 PM PDT 1.04 18 0 Normal
09/20/2026 03 PM PDT 1.03 17 - Normal
09/20/2026 04 PM PDT 1.03 17 0 Normal
09/20/2026 05 PM PDT 1.03 17 0 Normal
09/20/2026 06 PM PDT 1.03 17 0 Normal
09/20/2026 07 PM PDT 1.03 17 0 Normal
09/20/2026 08 PM PDT 1.03 17 0 Normal
09/20/2026 09 PM PDT 1.03 17 0 Normal
09/20/2026 10 PM PDT 1.03 17 0 Normal
09/20/2026 11 PM PDT 1.03 17 0 Normal
09/21/2026 12 AM PDT 1.03 17 0 Normal
09/21/2026 01 AM PDT 1.03 17 0 Normal
09/21/2026 02 AM PDT 1.03 17 0 Normal
09/21/2026 03 AM PDT 1.03 17 0 Normal
09/21/2026 04 AM PDT 1.03 17 0 Normal
09/21/2026 05 AM PDT 1.03 17 0 Normal
09/21/2026 06 AM PDT 1.03 17 0 Normal
09/21/2026 07 AM PDT 1.03 17 0 Normal
09/21/2026 08 AM PDT 1.03 17 0 Normal
09/21/2026 09 AM PDT 1.03 17 0 Normal
09/21/2026 10 AM PDT 1.03 17 0 Normal
09/21/2026 11 AM PDT 1.03 17 0 Normal
09/21/2026 12 PM PDT 1.03 17 0 Normal
09/21/2026 01 PM PDT 1.03 17 0 Normal
09/21/2026 02 PM PDT 1.03 17 0 Normal
09/21/2026 03 PM PDT 1.03 17 0 Normal
09/21/2026 04 PM PDT 1.03 17 0 Normal
09/21/2026 05 PM PDT 1.03 17 0 Normal
09/21/2026 06 PM PDT 1.03 17 0 Normal
09/21/2026 07 PM PDT 1.03 17 0 Normal
09/21/2026 08 PM PDT 1.03 17 0 Normal
09/21/2026 09 PM PDT 1.03 17 0 Normal
09/21/2026 10 PM PDT 1.03 17 0 Normal
09/21/2026 11 PM PDT 1.03 17 0 Normal
09/22/2026 12 AM PDT 1.03 17 0 Normal
09/22/2026 01 AM PDT 1.03 17 0 Normal
09/22/2026 02 AM PDT 1.04 18 + Normal
09/22/2026 03 AM PDT 1.04 18 0 Normal
09/22/2026 04 AM PDT 1.04 18 0 Normal
09/22/2026 05 AM PDT 1.05 18 + Normal
09/22/2026 06 AM PDT 1.05 18 0 Normal
09/22/2026 07 AM PDT 1.05 18 0 Normal
09/22/2026 08 AM PDT 1.05 18 0 Normal
09/22/2026 09 AM PDT 1.06 19 + Normal
09/22/2026 10 AM PDT 1.06 19 0 Normal
09/22/2026 11 AM PDT 1.06 19 0 Normal
09/22/2026 12 PM PDT 1.06 19 0 Normal
09/22/2026 01 PM PDT 1.06 19 0 Normal
09/22/2026 02 PM PDT 1.07 19 + Normal
09/22/2026 03 PM PDT 1.07 19 0 Normal
09/22/2026 04 PM PDT 1.07 19 0 Normal
09/22/2026 05 PM PDT 1.07 19 0 Normal
09/22/2026 06 PM PDT 1.07 19 0 Normal
09/22/2026 07 PM PDT 1.07 19 0 Normal
09/22/2026 08 PM PDT 1.07 19 0 Normal
09/22/2026 09 PM PDT 1.07 19 0 Normal
09/22/2026 10 PM PDT 1.07 19 0 Normal
09/22/2026 11 PM PDT 1.07 19 0 Normal
09/23/2026 12 AM PDT 1.07 19 0 Normal
09/23/2026 01 AM PDT 1.07 19 0 Normal
09/23/2026 02 AM PDT 1.07 19 0 Normal
09/23/2026 03 AM PDT 1.07 19 0 Normal
09/23/2026 04 AM PDT 1.07 19 0 Normal
09/23/2026 05 AM PDT 1.07 19 0 Normal
09/23/2026 06 AM PDT 1.07 19 0 Normal
09/23/2026 07 AM PDT 1.07 19 0 Normal
09/23/2026 08 AM PDT 1.07 19 0 Normal
09/23/2026 09 AM PDT 1.07 19 0 Normal
09/23/2026 10 AM PDT 1.07 19 0 Normal
09/23/2026 11 AM PDT 1.07 19 0 Normal
09/23/2026 12 PM PDT 1.07 19 0 Normal
09/23/2026 01 PM PDT 1.07 19 0 Normal
09/23/2026 02 PM PDT 1.07 19 0 Normal
09/23/2026 03 PM PDT 1.07 19 0 Normal
09/23/2026 04 PM PDT 1.07 19 0 Normal
09/23/2026 05 PM PDT 1.07 19 0 Normal
09/23/2026 06 PM PDT 1.07 19 0 Normal
09/23/2026 07 PM PDT 1.07 19 0 Normal
09/23/2026 08 PM PDT 1.07 19 0 Normal
09/23/2026 09 PM PDT 1.07 19 0 Normal
09/23/2026 10 PM PDT 1.07 19 0 Normal
09/23/2026 11 PM PDT 1.07 19 0 Normal
09/24/2026 12 AM PDT 1.07 19 0 Normal
09/24/2026 01 AM PDT 1.07 19 0 Normal
09/24/2026 02 AM PDT 1.07 19 0 Normal
09/24/2026 03 AM PDT 1.07 19 0 Normal
09/24/2026 04 AM PDT 1.07 19 0 Normal
09/24/2026 05 AM PDT 1.07 19 0 Normal
09/24/2026 06 AM PDT 1.07 19 0 Normal
09/24/2026 07 AM PDT 1.07 19 0 Normal
09/24/2026 08 AM PDT 1.07 19 0 Normal
09/24/2026 09 AM PDT 1.07 19 0 Normal
09/24/2026 10 AM PDT 1.06 19 - Normal
09/24/2026 11 AM PDT 1.06 19 0 Normal
09/24/2026 12 PM PDT 1.06 19 0 Normal
09/24/2026 01 PM PDT 1.06 19 0 Normal
09/24/2026 02 PM PDT 1.06 19 0 Normal
09/24/2026 03 PM PDT 1.06 19 0 Normal
09/24/2026 04 PM PDT 1.06 19 0 Normal
09/24/2026 05 PM PDT 1.06 19 0 Normal
09/24/2026 06 PM PDT 1.06 19 0 Normal
09/24/2026 07 PM PDT 1.06 19 0 Normal
09/24/2026 08 PM PDT 1.06 19 0 Normal
09/24/2026 09 PM PDT 1.06 19 0 Normal
09/24/2026 10 PM PDT 1.06 19 0 Normal
09/24/2026 11 PM PDT 1.06 19 0 Normal
09/25/2026 12 AM PDT 1.06 19 0 Normal
09/25/2026 01 AM PDT 1.06 19 0 Normal
09/25/2026 02 AM PDT 1.06 19 0 Normal
09/25/2026 03 AM PDT 1.06 19 0 Normal
09/25/2026 04 AM PDT 1.06 19 0 Normal
09/25/2026 05 AM PDT 1.06 19 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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