MERCED RIVER - YOSEMITE NP AT HAPPY ISLES (HPIC1)
Latitude: 37.73º NLongitude: 119.56º WElevation: 4017 FeetForecast Type: Official Location
Location: Mariposa County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Feb 19 2026 at 2:20 PM PSTNext Issuance: Feb 20 2026 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: 7.5 FeetModerate Flood: 10.0 FeetMajor Flood: 13.27 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Happy Isles (HPIC1)
#
# File Generation Time:  02/19/2026 at 02:20 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/14/2026 at 09:00 PM PST
# Maximum Observed Stage:                       2.33 Feet
# Maximum Observed Flow:                        175 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/24/2026 at 04:00 AM PST
# Maximum Forecast Stage:                       2.23 Feet
# Maximum Forecast Flow:                        149 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/14/2026 02 PM PST            2.30            167                        Normal
  02/14/2026 03 PM PST            2.33            175         +              Normal
  02/14/2026 04 PM PST            2.32            172         -              Normal
  02/14/2026 05 PM PST            2.32            172         0              Normal
  02/14/2026 06 PM PST            2.32            172         0              Normal
  02/14/2026 07 PM PST            2.33            175         +              Normal
  02/14/2026 08 PM PST            2.33            175         0              Normal
  02/14/2026 09 PM PST            2.33            175         0              Normal
  02/14/2026 10 PM PST            2.32            172         -              Normal
  02/14/2026 11 PM PST            2.31            169         -              Normal
  02/15/2026 12 AM PST            2.30            167         -              Normal
  02/15/2026 01 AM PST            2.30            167         0              Normal
  02/15/2026 02 AM PST            2.30            167         0              Normal
  02/15/2026 03 AM PST            2.29            164         -              Normal
  02/15/2026 04 AM PST            2.29            164         0              Normal
  02/15/2026 05 AM PST            2.29            164         0              Normal
  02/15/2026 06 AM PST            2.28            161         -              Normal
  02/15/2026 07 AM PST            2.27            159         -              Normal
  02/15/2026 08 AM PST            2.27            159         0              Normal
  02/15/2026 09 AM PST            2.27            159         0              Normal
  02/15/2026 10 AM PST            2.26            156         -              Normal
  02/15/2026 11 AM PST            2.26            156         0              Normal
  02/15/2026 12 PM PST            2.25            154         -              Normal
  02/15/2026 01 PM PST            2.24            151         -              Normal
  02/15/2026 02 PM PST            2.24            151         0              Normal
  02/15/2026 03 PM PST            2.25            154         +              Normal
  02/15/2026 04 PM PST            2.25            154         0              Normal
  02/15/2026 05 PM PST            2.25            154         0              Normal
  02/15/2026 06 PM PST            2.25            154         0              Normal
  02/15/2026 07 PM PST            2.27            159         +              Normal
  02/15/2026 08 PM PST            2.26            156         -              Normal
  02/15/2026 09 PM PST            2.26            156         0              Normal
  02/15/2026 10 PM PST            2.26            156         0              Normal
  02/15/2026 11 PM PST            2.26            156         0              Normal
  02/16/2026 12 AM PST            2.25            154         -              Normal
  02/16/2026 01 AM PST            2.25            154         0              Normal
  02/16/2026 02 AM PST            2.24            151         -              Normal
  02/16/2026 03 AM PST            2.24            151         0              Normal
  02/16/2026 04 AM PST            2.23            149         -              Normal
  02/16/2026 05 AM PST            2.24            151         +              Normal
  02/16/2026 06 AM PST            2.24            151         0              Normal
  02/16/2026 07 AM PST            2.24            151         0              Normal
  02/16/2026 08 AM PST            2.24            151         0              Normal
  02/16/2026 09 AM PST            2.24            151         0              Normal
  02/16/2026 10 AM PST            2.24            151         0              Normal
  02/16/2026 11 AM PST            2.24            151         0              Normal
  02/16/2026 12 PM PST            2.26            156         +              Normal
  02/16/2026 01 PM PST            2.28            161         +              Normal
  02/16/2026 02 PM PST            2.28            161         0              Normal
  02/16/2026 03 PM PST            2.29            164         +              Normal
  02/16/2026 04 PM PST            2.28            161         -              Normal
  02/16/2026 05 PM PST            2.27            159         -              Normal
  02/16/2026 06 PM PST            2.27            159         0              Normal
  02/16/2026 07 PM PST            2.26            156         -              Normal
  02/16/2026 08 PM PST            2.25            154         -              Normal
  02/16/2026 09 PM PST            2.24            151         -              Normal
  02/16/2026 10 PM PST            2.24            151         0              Normal
  02/16/2026 11 PM PST            2.23            149         -              Normal
  02/17/2026 12 AM PST            2.22            146         -              Normal
  02/17/2026 01 AM PST            2.21            143         -              Normal
  02/17/2026 02 AM PST            2.20            141         -              Normal
  02/17/2026 03 AM PST            2.19            138         -              Normal
  02/17/2026 04 AM PST            2.19            138         0              Normal
  02/17/2026 05 AM PST            2.18            136         -              Normal
  02/17/2026 06 AM PST            2.17            133         -              Normal
  02/17/2026 07 AM PST            2.18            136         +              Normal
  02/17/2026 08 AM PST            2.18            136         0              Normal
  02/17/2026 09 AM PST            2.19            138         +              Normal
  02/17/2026 10 AM PST            2.21            143         +              Normal
  02/17/2026 11 AM PST            2.23            149         +              Normal
  02/17/2026 12 PM PST            2.23            149         0              Normal
  02/17/2026 01 PM PST            2.22            146         -              Normal
  02/17/2026 02 PM PST            2.22            146         0              Normal
  02/17/2026 03 PM PST            2.21            143         -              Normal
  02/17/2026 04 PM PST            2.21            143         0              Normal
  02/17/2026 05 PM PST            2.21            143         0              Normal
  02/17/2026 06 PM PST            2.21            143         0              Normal
  02/17/2026 07 PM PST            2.20            141         -              Normal
  02/17/2026 08 PM PST            2.20            141         0              Normal
  02/17/2026 09 PM PST            2.20            141         0              Normal
  02/17/2026 10 PM PST            2.20            141         0              Normal
  02/17/2026 11 PM PST            2.19            138         -              Normal
  02/18/2026 12 AM PST            2.19            138         0              Normal
  02/18/2026 01 AM PST            2.19            138         0              Normal
  02/18/2026 02 AM PST            2.18            136         -              Normal
  02/18/2026 03 AM PST            2.18            136         0              Normal
  02/18/2026 04 AM PST            2.17            133         -              Normal
  02/18/2026 05 AM PST            2.17            133         0              Normal
  02/18/2026 06 AM PST            2.17            133         0              Normal
  02/18/2026 07 AM PST            2.17            133         0              Normal
  02/18/2026 08 AM PST            2.16            131         -              Normal
  02/18/2026 09 AM PST            2.16            131         0              Normal
  02/18/2026 10 AM PST            2.16            131         0              Normal
  02/18/2026 11 AM PST            2.16            131         0              Normal
  02/18/2026 12 PM PST            2.15            129         -              Normal
  02/18/2026 01 PM PST            2.15            129         0              Normal
  02/18/2026 02 PM PST            2.15            129         0              Normal
  02/18/2026 03 PM PST            2.15            129         0              Normal
  02/18/2026 04 PM PST            2.15            129         0              Normal
  02/18/2026 05 PM PST            2.15            129         0              Normal
  02/18/2026 06 PM PST            2.15            129         0              Normal
  02/18/2026 07 PM PST            2.14            126         -              Normal
  02/18/2026 08 PM PST            2.14            126         0              Normal
  02/18/2026 09 PM PST            2.14            126         0              Normal
  02/18/2026 10 PM PST            2.14            126         0              Normal
  02/18/2026 11 PM PST            2.14            126         0              Normal
  02/19/2026 12 AM PST            2.14            126         0              Normal
  02/19/2026 01 AM PST            2.14            126         0              Normal
  02/19/2026 02 AM PST            2.13            124         -              Normal
  02/19/2026 03 AM PST            2.13            124         0              Normal
  02/19/2026 04 AM PST            2.13            124         0              Normal
  02/19/2026 05 AM PST            2.12            122         -              Normal
  02/19/2026 06 AM PST            2.12            122         0              Normal
  02/19/2026 07 AM PST            2.12            122         0              Normal
  02/19/2026 08 AM PST            2.12            122         0              Normal
  02/19/2026 09 AM PST            2.12            122         0              Normal
  02/19/2026 10 AM PST            2.11            120         -              Normal
  02/19/2026 11 AM PST            2.11            120         0              Normal
  02/19/2026 12 PM PST            2.11            120         0              Normal
  02/19/2026 01 PM PST            2.10            118         -              Normal
  02/19/2026 02 PM PST            2.10            118         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/19/2026 03 PM PST            2.10            118                        Normal
  02/19/2026 04 PM PST            2.10            118         0              Normal
  02/19/2026 05 PM PST            2.10            118         0              Normal
  02/19/2026 06 PM PST            2.10            118         0              Normal
  02/19/2026 07 PM PST            2.10            118         0              Normal
  02/19/2026 08 PM PST            2.10            118         0              Normal
  02/19/2026 09 PM PST            2.10            118         0              Normal
  02/19/2026 10 PM PST            2.09            116         -              Normal
  02/19/2026 11 PM PST            2.09            116         0              Normal
  02/20/2026 12 AM PST            2.09            116         0              Normal
  02/20/2026 01 AM PST            2.09            116         0              Normal
  02/20/2026 02 AM PST            2.09            116         0              Normal
  02/20/2026 03 AM PST            2.08            114         -              Normal
  02/20/2026 04 AM PST            2.08            114         0              Normal
  02/20/2026 05 AM PST            2.08            114         0              Normal
  02/20/2026 06 AM PST            2.08            114         0              Normal
  02/20/2026 07 AM PST            2.07            112         -              Normal
  02/20/2026 08 AM PST            2.07            112         0              Normal
  02/20/2026 09 AM PST            2.07            112         0              Normal
  02/20/2026 10 AM PST            2.07            112         0              Normal
  02/20/2026 11 AM PST            2.06            110         -              Normal
  02/20/2026 12 PM PST            2.06            110         0              Normal
  02/20/2026 01 PM PST            2.06            110         0              Normal
  02/20/2026 02 PM PST            2.06            110         0              Normal
  02/20/2026 03 PM PST            2.06            110         0              Normal
  02/20/2026 04 PM PST            2.05            108         -              Normal
  02/20/2026 05 PM PST            2.05            108         0              Normal
  02/20/2026 06 PM PST            2.05            108         0              Normal
  02/20/2026 07 PM PST            2.05            108         0              Normal
  02/20/2026 08 PM PST            2.05            108         0              Normal
  02/20/2026 09 PM PST            2.05            108         0              Normal
  02/20/2026 10 PM PST            2.05            108         0              Normal
  02/20/2026 11 PM PST            2.05            108         0              Normal
  02/21/2026 12 AM PST            2.05            108         0              Normal
  02/21/2026 01 AM PST            2.05            108         0              Normal
  02/21/2026 02 AM PST            2.04            107         -              Normal
  02/21/2026 03 AM PST            2.04            107         0              Normal
  02/21/2026 04 AM PST            2.04            107         0              Normal
  02/21/2026 05 AM PST            2.04            107         0              Normal
  02/21/2026 06 AM PST            2.03            105         -              Normal
  02/21/2026 07 AM PST            2.03            105         0              Normal
  02/21/2026 08 AM PST            2.02            103         -              Normal
  02/21/2026 09 AM PST            2.02            103         0              Normal
  02/21/2026 10 AM PST            2.02            103         0              Normal
  02/21/2026 11 AM PST            2.02            103         0              Normal
  02/21/2026 12 PM PST            2.01            102         -              Normal
  02/21/2026 01 PM PST            2.01            102         0              Normal
  02/21/2026 02 PM PST            2.01            102         0              Normal
  02/21/2026 03 PM PST            2.01            102         0              Normal
  02/21/2026 04 PM PST            2.01            102         0              Normal
  02/21/2026 05 PM PST            2.01            102         0              Normal
  02/21/2026 06 PM PST            2.01            102         0              Normal
  02/21/2026 07 PM PST            2.01            102         0              Normal
  02/21/2026 08 PM PST            2.01            102         0              Normal
  02/21/2026 09 PM PST            2.00            100         -              Normal
  02/21/2026 10 PM PST            2.00            100         0              Normal
  02/21/2026 11 PM PST            2.00            100         0              Normal
  02/22/2026 12 AM PST            2.00            100         0              Normal
  02/22/2026 01 AM PST            2.00            100         0              Normal
  02/22/2026 02 AM PST            2.00            100         0              Normal
  02/22/2026 03 AM PST            2.00            100         0              Normal
  02/22/2026 04 AM PST            1.99             99         -              Normal
  02/22/2026 05 AM PST            1.99             99         0              Normal
  02/22/2026 06 AM PST            1.99             99         0              Normal
  02/22/2026 07 AM PST            1.98             97         -              Normal
  02/22/2026 08 AM PST            1.98             97         0              Normal
  02/22/2026 09 AM PST            1.98             97         0              Normal
  02/22/2026 10 AM PST            1.98             97         0              Normal
  02/22/2026 11 AM PST            1.97             95         -              Normal
  02/22/2026 12 PM PST            1.97             95         0              Normal
  02/22/2026 01 PM PST            1.97             95         0              Normal
  02/22/2026 02 PM PST            1.97             95         0              Normal
  02/22/2026 03 PM PST            1.96             94         -              Normal
  02/22/2026 04 PM PST            1.96             94         0              Normal
  02/22/2026 05 PM PST            1.96             94         0              Normal
  02/22/2026 06 PM PST            1.96             94         0              Normal
  02/22/2026 07 PM PST            1.96             94         0              Normal
  02/22/2026 08 PM PST            1.96             94         0              Normal
  02/22/2026 09 PM PST            1.96             94         0              Normal
  02/22/2026 10 PM PST            1.96             94         0              Normal
  02/22/2026 11 PM PST            1.96             94         0              Normal
  02/23/2026 12 AM PST            1.96             94         0              Normal
  02/23/2026 01 AM PST            1.96             94         0              Normal
  02/23/2026 02 AM PST            1.95             92         -              Normal
  02/23/2026 03 AM PST            1.95             92         0              Normal
  02/23/2026 04 AM PST            1.95             92         0              Normal
  02/23/2026 05 AM PST            1.95             92         0              Normal
  02/23/2026 06 AM PST            1.94             91         -              Normal
  02/23/2026 07 AM PST            1.94             91         0              Normal
  02/23/2026 08 AM PST            1.94             91         0              Normal
  02/23/2026 09 AM PST            1.94             91         0              Normal
  02/23/2026 10 AM PST            1.93             90         -              Normal
  02/23/2026 11 AM PST            1.93             90         0              Normal
  02/23/2026 12 PM PST            1.93             90         0              Normal
  02/23/2026 01 PM PST            1.92             88         -              Normal
  02/23/2026 02 PM PST            1.92             88         0              Normal
  02/23/2026 03 PM PST            1.92             88         0              Normal
  02/23/2026 04 PM PST            1.92             88         0              Normal
  02/23/2026 05 PM PST            1.92             88         0              Normal
  02/23/2026 06 PM PST            1.93             90         +              Normal
  02/23/2026 07 PM PST            1.94             91         +              Normal
  02/23/2026 08 PM PST            1.96             94         +              Normal
  02/23/2026 09 PM PST            1.97             95         +              Normal
  02/23/2026 10 PM PST            1.99             99         +              Normal
  02/23/2026 11 PM PST            2.01            102         +              Normal
  02/24/2026 12 AM PST            2.05            108         +              Normal
  02/24/2026 01 AM PST            2.09            116         +              Normal
  02/24/2026 02 AM PST            2.14            126         +              Normal
  02/24/2026 03 AM PST            2.18            136         +              Normal
  02/24/2026 04 AM PST            2.23            149         +              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.