National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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MERCED RIVER - YOSEMITE NP AT POHONO BRIDGE (POHC1)
Latitude: 37.72º NLongitude: 119.67º WElevation: 3862 Feet
Location: Mariposa County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Dec 26 2025 at 2:51 PM PSTNext Issuance: Dec 27 2025 at 9:00 AM PST
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:  12/26/2025 at 02:51 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/24/2025 at 01:00 PM PST
# Maximum Observed Stage:                       4.04 Feet
# Maximum Observed Flow:                        813 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 03:00 PM PST
# Maximum Forecast Stage:                       3.48 Feet
# Maximum Forecast Flow:                        554 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 02 PM PST            2.68            270                        Normal
  12/21/2025 03 PM PST            2.73            285         +              Normal
  12/21/2025 04 PM PST            2.80            306         +              Normal
  12/21/2025 05 PM PST            2.87            328         +              Normal
  12/21/2025 06 PM PST            2.94            351         +              Normal
  12/21/2025 07 PM PST            2.99            368         +              Normal
  12/21/2025 08 PM PST            3.03            382         +              Normal
  12/21/2025 09 PM PST            3.06            392         +              Normal
  12/21/2025 10 PM PST            3.08            399         +              Normal
  12/21/2025 11 PM PST            3.07            396         -              Normal
  12/22/2025 12 AM PST            3.07            396         0              Normal
  12/22/2025 01 AM PST            3.06            392         -              Normal
  12/22/2025 02 AM PST            3.06            392         0              Normal
  12/22/2025 03 AM PST            3.06            392         0              Normal
  12/22/2025 04 AM PST            3.05            389         -              Normal
  12/22/2025 05 AM PST            3.04            385         -              Normal
  12/22/2025 06 AM PST            3.02            378         -              Normal
  12/22/2025 07 AM PST            3.00            371         -              Normal
  12/22/2025 08 AM PST            2.99            368         -              Normal
  12/22/2025 09 AM PST            2.97            361         -              Normal
  12/22/2025 10 AM PST            2.96            358         -              Normal
  12/22/2025 11 AM PST            2.95            354         -              Normal
  12/22/2025 12 PM PST            2.93            348         -              Normal
  12/22/2025 01 PM PST            2.91            341         -              Normal
  12/22/2025 02 PM PST            2.90            338         -              Normal
  12/22/2025 03 PM PST            2.88            331         -              Normal
  12/22/2025 04 PM PST            2.87            328         -              Normal
  12/22/2025 05 PM PST            2.86            325         -              Normal
  12/22/2025 06 PM PST            2.85            322         -              Normal
  12/22/2025 07 PM PST            2.83            315         -              Normal
  12/22/2025 08 PM PST            2.82            312         -              Normal
  12/22/2025 09 PM PST            2.81            309         -              Normal
  12/22/2025 10 PM PST            2.80            306         -              Normal
  12/22/2025 11 PM PST            2.78            300         -              Normal
  12/23/2025 12 AM PST            2.77            297         -              Normal
  12/23/2025 01 AM PST            2.76            294         -              Normal
  12/23/2025 02 AM PST            2.75            291         -              Normal
  12/23/2025 03 AM PST            2.74            288         -              Normal
  12/23/2025 04 AM PST            2.73            285         -              Normal
  12/23/2025 05 AM PST            2.72            282         -              Normal
  12/23/2025 06 AM PST            2.71            279         -              Normal
  12/23/2025 07 AM PST            2.70            276         -              Normal
  12/23/2025 08 AM PST            2.69            273         -              Normal
  12/23/2025 09 AM PST            2.69            273         0              Normal
  12/23/2025 10 AM PST            2.67            267         -              Normal
  12/23/2025 11 AM PST            2.66            264         -              Normal
  12/23/2025 12 PM PST            2.65            261         -              Normal
  12/23/2025 01 PM PST            2.64            259         -              Normal
  12/23/2025 02 PM PST            2.63            256         -              Normal
  12/23/2025 03 PM PST            2.63            256         0              Normal
  12/23/2025 04 PM PST            2.62            253         -              Normal
  12/23/2025 05 PM PST            2.61            250         -              Normal
  12/23/2025 06 PM PST            2.60            247         -              Normal
  12/23/2025 07 PM PST            2.58            242         -              Normal
  12/23/2025 08 PM PST            2.57            239         -              Normal
  12/23/2025 09 PM PST            2.57            239         0              Normal
  12/23/2025 10 PM PST            2.57            239         0              Normal
  12/23/2025 11 PM PST            2.57            239         0              Normal
  12/24/2025 12 AM PST            2.58            242         +              Normal
  12/24/2025 01 AM PST            2.59            245         +              Normal
  12/24/2025 02 AM PST            2.61            250         +              Normal
  12/24/2025 03 AM PST            2.64            259         +              Normal
  12/24/2025 04 AM PST            2.66            264         +              Normal
  12/24/2025 05 AM PST            2.70            276         +              Normal
  12/24/2025 06 AM PST            2.81            309         +              Normal
  12/24/2025 07 AM PST            2.94            351         +              Normal
  12/24/2025 08 AM PST            3.11            410         +              Normal
  12/24/2025 09 AM PST            3.36            505         +              Normal
  12/24/2025 10 AM PST            3.61            609         +              Normal
  12/24/2025 11 AM PST            3.82            705         +              Normal
  12/24/2025 12 PM PST            4.01            798         +              Normal
  12/24/2025 01 PM PST            4.04            813         +              Normal
  12/24/2025 02 PM PST            4.00            793         -              Normal
  12/24/2025 03 PM PST            3.88            734         -              Normal
  12/24/2025 04 PM PST            3.86            724         -              Normal
  12/24/2025 05 PM PST            3.83            710         -              Normal
  12/24/2025 06 PM PST            3.78            686         -              Normal
  12/24/2025 07 PM PST            3.78            686         0              Normal
  12/24/2025 08 PM PST            3.74            668         -              Normal
  12/24/2025 09 PM PST            3.73            663         -              Normal
  12/24/2025 10 PM PST            3.69            645         -              Normal
  12/24/2025 11 PM PST            3.69            645         0              Normal
  12/25/2025 12 AM PST            3.64            623         -              Normal
  12/25/2025 01 AM PST            3.61            609         -              Normal
  12/25/2025 02 AM PST            3.59            601         -              Normal
  12/25/2025 03 AM PST            3.58            596         -              Normal
  12/25/2025 04 AM PST            3.55            583         -              Normal
  12/25/2025 05 AM PST            3.53            575         -              Normal
  12/25/2025 06 AM PST            3.51            566         -              Normal
  12/25/2025 07 AM PST            3.47            549         -              Normal
  12/25/2025 08 AM PST            3.47            549         0              Normal
  12/25/2025 09 AM PST            3.48            554         +              Normal
  12/25/2025 10 AM PST            3.47            549         -              Normal
  12/25/2025 11 AM PST            3.49            558         +              Normal
  12/25/2025 12 PM PST            3.54            579         +              Normal
  12/25/2025 01 PM PST            3.55            583         +              Normal
  12/25/2025 02 PM PST            3.52            570         -              Normal
  12/25/2025 03 PM PST            3.53            575         +              Normal
  12/25/2025 04 PM PST            3.49            558         -              Normal
  12/25/2025 05 PM PST            3.47            549         -              Normal
  12/25/2025 06 PM PST            3.44            537         -              Normal
  12/25/2025 07 PM PST            3.42            529         -              Normal
  12/25/2025 08 PM PST            3.42            529         0              Normal
  12/25/2025 09 PM PST            3.40            521         -              Normal
  12/25/2025 10 PM PST            3.40            521         0              Normal
  12/25/2025 11 PM PST            3.40            521         0              Normal
  12/26/2025 12 AM PST            3.40            521         0              Normal
  12/26/2025 01 AM PST            3.37            509         -              Normal
  12/26/2025 02 AM PST            3.37            509         0              Normal
  12/26/2025 03 AM PST            3.38            513         +              Normal
  12/26/2025 04 AM PST            3.40            521         +              Normal
  12/26/2025 05 AM PST            3.43            533         +              Normal
  12/26/2025 06 AM PST            3.47            549         +              Normal
  12/26/2025 07 AM PST            3.47            549         0              Normal
  12/26/2025 08 AM PST            3.44            537         -              Normal
  12/26/2025 09 AM PST            3.48            554         +              Normal
  12/26/2025 10 AM PST            3.45            541         -              Normal
  12/26/2025 11 AM PST            3.48            554         +              Normal
  12/26/2025 12 PM PST            3.48            554         0              Normal
  12/26/2025 01 PM PST            3.48            554         0              Normal
  12/26/2025 02 PM PST            3.48            554         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 03 PM PST            3.48            554                        Normal
  12/26/2025 04 PM PST            3.47            549         -              Normal
  12/26/2025 05 PM PST            3.46            545         -              Normal
  12/26/2025 06 PM PST            3.44            537         -              Normal
  12/26/2025 07 PM PST            3.43            533         -              Normal
  12/26/2025 08 PM PST            3.42            529         -              Normal
  12/26/2025 09 PM PST            3.41            525         -              Normal
  12/26/2025 10 PM PST            3.39            517         -              Normal
  12/26/2025 11 PM PST            3.38            513         -              Normal
  12/27/2025 12 AM PST            3.37            509         -              Normal
  12/27/2025 01 AM PST            3.36            505         -              Normal
  12/27/2025 02 AM PST            3.34            497         -              Normal
  12/27/2025 03 AM PST            3.33            493         -              Normal
  12/27/2025 04 AM PST            3.32            489         -              Normal
  12/27/2025 05 AM PST            3.31            485         -              Normal
  12/27/2025 06 AM PST            3.29            477         -              Normal
  12/27/2025 07 AM PST            3.28            473         -              Normal
  12/27/2025 08 AM PST            3.27            469         -              Normal
  12/27/2025 09 AM PST            3.25            462         -              Normal
  12/27/2025 10 AM PST            3.24            458         -              Normal
  12/27/2025 11 AM PST            3.23            454         -              Normal
  12/27/2025 12 PM PST            3.21            447         -              Normal
  12/27/2025 01 PM PST            3.20            443         -              Normal
  12/27/2025 02 PM PST            3.19            439         -              Normal
  12/27/2025 03 PM PST            3.18            435         -              Normal
  12/27/2025 04 PM PST            3.17            432         -              Normal
  12/27/2025 05 PM PST            3.16            428         -              Normal
  12/27/2025 06 PM PST            3.15            424         -              Normal
  12/27/2025 07 PM PST            3.14            421         -              Normal
  12/27/2025 08 PM PST            3.13            417         -              Normal
  12/27/2025 09 PM PST            3.13            417         0              Normal
  12/27/2025 10 PM PST            3.12            413         -              Normal
  12/27/2025 11 PM PST            3.11            410         -              Normal
  12/28/2025 12 AM PST            3.10            406         -              Normal
  12/28/2025 01 AM PST            3.09            403         -              Normal
  12/28/2025 02 AM PST            3.08            399         -              Normal
  12/28/2025 03 AM PST            3.07            396         -              Normal
  12/28/2025 04 AM PST            3.06            392         -              Normal
  12/28/2025 05 AM PST            3.05            389         -              Normal
  12/28/2025 06 AM PST            3.04            385         -              Normal
  12/28/2025 07 AM PST            3.04            385         0              Normal
  12/28/2025 08 AM PST            3.03            382         -              Normal
  12/28/2025 09 AM PST            3.02            378         -              Normal
  12/28/2025 10 AM PST            3.01            375         -              Normal
  12/28/2025 11 AM PST            3.00            371         -              Normal
  12/28/2025 12 PM PST            2.99            368         -              Normal
  12/28/2025 01 PM PST            2.98            364         -              Normal
  12/28/2025 02 PM PST            2.98            364         0              Normal
  12/28/2025 03 PM PST            2.97            361         -              Normal
  12/28/2025 04 PM PST            2.96            358         -              Normal
  12/28/2025 05 PM PST            2.95            354         -              Normal
  12/28/2025 06 PM PST            2.94            351         -              Normal
  12/28/2025 07 PM PST            2.94            351         0              Normal
  12/28/2025 08 PM PST            2.93            348         -              Normal
  12/28/2025 09 PM PST            2.92            344         -              Normal
  12/28/2025 10 PM PST            2.92            344         0              Normal
  12/28/2025 11 PM PST            2.91            341         -              Normal
  12/29/2025 12 AM PST            2.90            338         -              Normal
  12/29/2025 01 AM PST            2.89            335         -              Normal
  12/29/2025 02 AM PST            2.89            335         0              Normal
  12/29/2025 03 AM PST            2.88            331         -              Normal
  12/29/2025 04 AM PST            2.87            328         -              Normal
  12/29/2025 05 AM PST            2.86            325         -              Normal
  12/29/2025 06 AM PST            2.86            325         0              Normal
  12/29/2025 07 AM PST            2.85            322         -              Normal
  12/29/2025 08 AM PST            2.84            319         -              Normal
  12/29/2025 09 AM PST            2.83            315         -              Normal
  12/29/2025 10 AM PST            2.83            315         0              Normal
  12/29/2025 11 AM PST            2.82            312         -              Normal
  12/29/2025 12 PM PST            2.81            309         -              Normal
  12/29/2025 01 PM PST            2.81            309         0              Normal
  12/29/2025 02 PM PST            2.80            306         -              Normal
  12/29/2025 03 PM PST            2.79            303         -              Normal
  12/29/2025 04 PM PST            2.79            303         0              Normal
  12/29/2025 05 PM PST            2.78            300         -              Normal
  12/29/2025 06 PM PST            2.77            297         -              Normal
  12/29/2025 07 PM PST            2.77            297         0              Normal
  12/29/2025 08 PM PST            2.76            294         -              Normal
  12/29/2025 09 PM PST            2.76            294         0              Normal
  12/29/2025 10 PM PST            2.75            291         -              Normal
  12/29/2025 11 PM PST            2.75            291         0              Normal
  12/30/2025 12 AM PST            2.74            288         -              Normal
  12/30/2025 01 AM PST            2.74            288         0              Normal
  12/30/2025 02 AM PST            2.73            285         -              Normal
  12/30/2025 03 AM PST            2.73            285         0              Normal
  12/30/2025 04 AM PST            2.72            282         -              Normal
  12/30/2025 05 AM PST            2.72            282         0              Normal
  12/30/2025 06 AM PST            2.71            279         -              Normal
  12/30/2025 07 AM PST            2.71            279         0              Normal
  12/30/2025 08 AM PST            2.70            276         -              Normal
  12/30/2025 09 AM PST            2.70            276         0              Normal
  12/30/2025 10 AM PST            2.69            273         -              Normal
  12/30/2025 11 AM PST            2.69            273         0              Normal
  12/30/2025 12 PM PST            2.68            270         -              Normal
  12/30/2025 01 PM PST            2.68            270         0              Normal
  12/30/2025 02 PM PST            2.67            267         -              Normal
  12/30/2025 03 PM PST            2.67            267         0              Normal
  12/30/2025 04 PM PST            2.67            267         0              Normal
  12/30/2025 05 PM PST            2.67            267         0              Normal
  12/30/2025 06 PM PST            2.66            264         -              Normal
  12/30/2025 07 PM PST            2.66            264         0              Normal
  12/30/2025 08 PM PST            2.66            264         0              Normal
  12/30/2025 09 PM PST            2.66            264         0              Normal
  12/30/2025 10 PM PST            2.66            264         0              Normal
  12/30/2025 11 PM PST            2.66            264         0              Normal
  12/31/2025 12 AM PST            2.66            264         0              Normal
  12/31/2025 01 AM PST            2.66            264         0              Normal
  12/31/2025 02 AM PST            2.66            264         0              Normal
  12/31/2025 03 AM PST            2.66            264         0              Normal
  12/31/2025 04 AM PST            2.66            264         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.