# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Happy Isles (HPIC1)
#
# File Generation Time: 04/19/2026 at 08:48 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/16/2026 at 12:00 AM PDT
# Maximum Observed Stage: 3.86 Feet
# Maximum Observed Flow: 720 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/21/2026 at 06:00 AM PDT
# Maximum Forecast Stage: 4.23 Feet
# Maximum Forecast Flow: 914 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/14/2026 08 AM PDT 3.55 577 Normal
04/14/2026 09 AM PDT 3.53 568 - Normal
04/14/2026 10 AM PDT 3.51 560 - Normal
04/14/2026 11 AM PDT 3.50 556 - Normal
04/14/2026 12 PM PDT 3.46 539 - Normal
04/14/2026 01 PM PDT 3.47 543 + Normal
04/14/2026 02 PM PDT 3.48 547 + Normal
04/14/2026 03 PM PDT 3.49 551 + Normal
04/14/2026 04 PM PDT 3.53 568 + Normal
04/14/2026 05 PM PDT 3.59 594 + Normal
04/14/2026 06 PM PDT 3.63 612 + Normal
04/14/2026 07 PM PDT 3.70 644 + Normal
04/14/2026 08 PM PDT 3.77 677 + Normal
04/14/2026 09 PM PDT 3.81 696 + Normal
04/14/2026 10 PM PDT 3.86 720 + Normal
04/14/2026 11 PM PDT 3.85 715 - Normal
04/15/2026 12 AM PDT 3.85 715 0 Normal
04/15/2026 01 AM PDT 3.83 705 - Normal
04/15/2026 02 AM PDT 3.83 705 0 Normal
04/15/2026 03 AM PDT 3.79 686 - Normal
04/15/2026 04 AM PDT 3.77 677 - Normal
04/15/2026 05 AM PDT 3.74 663 - Normal
04/15/2026 06 AM PDT 3.72 653 - Normal
04/15/2026 07 AM PDT 3.72 653 0 Normal
04/15/2026 08 AM PDT 3.70 644 - Normal
04/15/2026 09 AM PDT 3.65 621 - Normal
04/15/2026 10 AM PDT 3.65 621 0 Normal
04/15/2026 11 AM PDT 3.61 603 - Normal
04/15/2026 12 PM PDT 3.56 581 - Normal
04/15/2026 01 PM PDT 3.54 573 - Normal
04/15/2026 02 PM PDT 3.55 577 + Normal
04/15/2026 03 PM PDT 3.58 590 + Normal
04/15/2026 04 PM PDT 3.60 599 + Normal
04/15/2026 05 PM PDT 3.62 608 + Normal
04/15/2026 06 PM PDT 3.66 626 + Normal
04/15/2026 07 PM PDT 3.68 635 + Normal
04/15/2026 08 PM PDT 3.76 672 + Normal
04/15/2026 09 PM PDT 3.81 696 + Normal
04/15/2026 10 PM PDT 3.84 710 + Normal
04/15/2026 11 PM PDT 3.85 715 + Normal
04/16/2026 12 AM PDT 3.86 720 + Normal
04/16/2026 01 AM PDT 3.84 710 - Normal
04/16/2026 02 AM PDT 3.85 715 + Normal
04/16/2026 03 AM PDT 3.81 696 - Normal
04/16/2026 04 AM PDT 3.83 705 + Normal
04/16/2026 05 AM PDT 3.80 691 - Normal
04/16/2026 06 AM PDT 3.78 681 - Normal
04/16/2026 07 AM PDT 3.78 681 0 Normal
04/16/2026 08 AM PDT 3.73 658 - Normal
04/16/2026 09 AM PDT 3.77 677 + Normal
04/16/2026 10 AM PDT 3.73 658 - Normal
04/16/2026 11 AM PDT 3.71 649 - Normal
04/16/2026 12 PM PDT 3.70 644 - Normal
04/16/2026 01 PM PDT 3.66 626 - Normal
04/16/2026 02 PM PDT 3.64 617 - Normal
04/16/2026 03 PM PDT 3.63 612 - Normal
04/16/2026 04 PM PDT 3.63 612 0 Normal
04/16/2026 05 PM PDT 3.62 608 - Normal
04/16/2026 06 PM PDT 3.61 603 - Normal
04/16/2026 07 PM PDT 3.67 630 + Normal
04/16/2026 08 PM PDT 3.69 639 + Normal
04/16/2026 09 PM PDT 3.71 649 + Normal
04/16/2026 10 PM PDT 3.76 672 + Normal
04/16/2026 11 PM PDT 3.75 667 - Normal
04/17/2026 12 AM PDT 3.75 667 0 Normal
04/17/2026 01 AM PDT 3.76 672 + Normal
04/17/2026 02 AM PDT 3.75 667 - Normal
04/17/2026 03 AM PDT 3.74 663 - Normal
04/17/2026 04 AM PDT 3.75 667 + Normal
04/17/2026 05 AM PDT 3.72 653 - Normal
04/17/2026 06 AM PDT 3.71 649 - Normal
04/17/2026 07 AM PDT 3.69 639 - Normal
04/17/2026 08 AM PDT 3.67 630 - Normal
04/17/2026 09 AM PDT 3.68 635 + Normal
04/17/2026 10 AM PDT 3.65 621 - Normal
04/17/2026 11 AM PDT 3.56 581 - Normal
04/17/2026 12 PM PDT 3.58 590 + Normal
04/17/2026 01 PM PDT 3.57 586 - Normal
04/17/2026 02 PM PDT 3.55 577 - Normal
04/17/2026 03 PM PDT 3.56 581 + Normal
04/17/2026 04 PM PDT 3.60 599 + Normal
04/17/2026 05 PM PDT 3.55 577 - Normal
04/17/2026 06 PM PDT 3.54 573 - Normal
04/17/2026 07 PM PDT 3.54 573 0 Normal
04/17/2026 08 PM PDT 3.55 577 + Normal
04/17/2026 09 PM PDT 3.61 603 + Normal
04/17/2026 10 PM PDT 3.62 608 + Normal
04/17/2026 11 PM PDT 3.65 621 + Normal
04/18/2026 12 AM PDT 3.67 630 + Normal
04/18/2026 01 AM PDT 3.69 639 + Normal
04/18/2026 02 AM PDT 3.70 644 + Normal
04/18/2026 03 AM PDT 3.71 649 + Normal
04/18/2026 04 AM PDT 3.72 653 + Normal
04/18/2026 05 AM PDT 3.68 635 - Normal
04/18/2026 06 AM PDT 3.69 639 + Normal
04/18/2026 07 AM PDT 3.69 639 0 Normal
04/18/2026 08 AM PDT 3.70 644 + Normal
04/18/2026 09 AM PDT 3.67 630 - Normal
04/18/2026 10 AM PDT 3.64 617 - Normal
04/18/2026 11 AM PDT 3.64 617 0 Normal
04/18/2026 12 PM PDT 3.62 608 - Normal
04/18/2026 01 PM PDT 3.62 608 0 Normal
04/18/2026 02 PM PDT 3.60 599 - Normal
04/18/2026 03 PM PDT 3.59 594 - Normal
04/18/2026 04 PM PDT 3.58 590 - Normal
04/18/2026 05 PM PDT 3.54 573 - Normal
04/18/2026 06 PM PDT 3.55 577 + Normal
04/18/2026 07 PM PDT 3.56 581 + Normal
04/18/2026 08 PM PDT 3.60 599 + Normal
04/18/2026 09 PM PDT 3.62 608 + Normal
04/18/2026 10 PM PDT 3.65 621 + Normal
04/18/2026 11 PM PDT 3.70 644 + Normal
04/19/2026 12 AM PDT 3.73 658 + Normal
04/19/2026 01 AM PDT 3.74 663 + Normal
04/19/2026 02 AM PDT 3.75 667 + Normal
04/19/2026 03 AM PDT 3.76 672 + Normal
04/19/2026 04 AM PDT 3.74 663 - Normal
04/19/2026 05 AM PDT 3.76 672 + Normal
04/19/2026 06 AM PDT 3.75 667 - Normal
04/19/2026 07 AM PDT 3.73 658 - Normal
04/19/2026 08 AM PDT 3.72 653 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/19/2026 09 AM PDT 3.71 649 Normal
04/19/2026 10 AM PDT 3.69 639 - Normal
04/19/2026 11 AM PDT 3.67 630 - Normal
04/19/2026 12 PM PDT 3.65 621 - Normal
04/19/2026 01 PM PDT 3.63 612 - Normal
04/19/2026 02 PM PDT 3.61 603 - Normal
04/19/2026 03 PM PDT 3.60 599 - Normal
04/19/2026 04 PM PDT 3.60 599 0 Normal
04/19/2026 05 PM PDT 3.61 603 + Normal
04/19/2026 06 PM PDT 3.64 617 + Normal
04/19/2026 07 PM PDT 3.68 635 + Normal
04/19/2026 08 PM PDT 3.73 658 + Normal
04/19/2026 09 PM PDT 3.76 672 + Normal
04/19/2026 10 PM PDT 3.80 691 + Normal
04/19/2026 11 PM PDT 3.83 705 + Normal
04/20/2026 12 AM PDT 3.84 710 + Normal
04/20/2026 01 AM PDT 3.86 720 + Normal
04/20/2026 02 AM PDT 3.87 725 + Normal
04/20/2026 03 AM PDT 3.88 730 + Normal
04/20/2026 04 AM PDT 3.88 730 0 Normal
04/20/2026 05 AM PDT 3.89 735 + Normal
04/20/2026 06 AM PDT 3.88 730 - Normal
04/20/2026 07 AM PDT 3.86 720 - Normal
04/20/2026 08 AM PDT 3.84 710 - Normal
04/20/2026 09 AM PDT 3.82 700 - Normal
04/20/2026 10 AM PDT 3.79 686 - Normal
04/20/2026 11 AM PDT 3.78 681 - Normal
04/20/2026 12 PM PDT 3.75 667 - Normal
04/20/2026 01 PM PDT 3.73 658 - Normal
04/20/2026 02 PM PDT 3.72 653 - Normal
04/20/2026 03 PM PDT 3.70 644 - Normal
04/20/2026 04 PM PDT 3.70 644 0 Normal
04/20/2026 05 PM PDT 3.72 653 + Normal
04/20/2026 06 PM PDT 3.79 686 + Normal
04/20/2026 07 PM PDT 3.85 715 + Normal
04/20/2026 08 PM PDT 3.94 760 + Normal
04/20/2026 09 PM PDT 4.01 795 + Normal
04/20/2026 10 PM PDT 4.08 832 + Normal
04/20/2026 11 PM PDT 4.13 859 + Normal
04/21/2026 12 AM PDT 4.16 875 + Normal
04/21/2026 01 AM PDT 4.18 886 + Normal
04/21/2026 02 AM PDT 4.20 897 + Normal
04/21/2026 03 AM PDT 4.21 903 + Normal
04/21/2026 04 AM PDT 4.21 903 0 Normal
04/21/2026 05 AM PDT 4.22 908 + Normal
04/21/2026 06 AM PDT 4.23 914 + Normal
04/21/2026 07 AM PDT 4.22 908 - Normal
04/21/2026 08 AM PDT 4.22 908 0 Normal
04/21/2026 09 AM PDT 4.22 908 0 Normal
04/21/2026 10 AM PDT 4.21 903 - Normal
04/21/2026 11 AM PDT 4.22 908 + Normal
04/21/2026 12 PM PDT 4.20 897 - Normal
04/21/2026 01 PM PDT 4.20 897 0 Normal
04/21/2026 02 PM PDT 4.19 891 - Normal
04/21/2026 03 PM PDT 4.19 891 0 Normal
04/21/2026 04 PM PDT 4.20 897 + Normal
04/21/2026 05 PM PDT 4.22 908 + Normal
04/21/2026 06 PM PDT 4.23 914 + Normal
04/21/2026 07 PM PDT 4.23 914 0 Normal
04/21/2026 08 PM PDT 4.23 914 0 Normal
04/21/2026 09 PM PDT 4.23 914 0 Normal
04/21/2026 10 PM PDT 4.22 908 - Normal
04/21/2026 11 PM PDT 4.20 897 - Normal
04/22/2026 12 AM PDT 4.16 875 - Normal
04/22/2026 01 AM PDT 4.12 853 - Normal
04/22/2026 02 AM PDT 4.08 832 - Normal
04/22/2026 03 AM PDT 4.03 806 - Normal
04/22/2026 04 AM PDT 3.99 785 - Normal
04/22/2026 05 AM PDT 3.94 760 - Normal
04/22/2026 06 AM PDT 3.91 745 - Normal
04/22/2026 07 AM PDT 3.88 730 - Normal
04/22/2026 08 AM PDT 3.84 710 - Normal
04/22/2026 09 AM PDT 3.81 696 - Normal
04/22/2026 10 AM PDT 3.77 677 - Normal
04/22/2026 11 AM PDT 3.74 663 - Normal
04/22/2026 12 PM PDT 3.71 649 - Normal
04/22/2026 01 PM PDT 3.69 639 - Normal
04/22/2026 02 PM PDT 3.67 630 - Normal
04/22/2026 03 PM PDT 3.64 617 - Normal
04/22/2026 04 PM PDT 3.62 608 - Normal
04/22/2026 05 PM PDT 3.60 599 - Normal
04/22/2026 06 PM PDT 3.60 599 0 Normal
04/22/2026 07 PM PDT 3.60 599 0 Normal
04/22/2026 08 PM PDT 3.59 594 - Normal
04/22/2026 09 PM PDT 3.59 594 0 Normal
04/22/2026 10 PM PDT 3.59 594 0 Normal
04/22/2026 11 PM PDT 3.58 590 - Normal
04/23/2026 12 AM PDT 3.58 590 0 Normal
04/23/2026 01 AM PDT 3.57 586 - Normal
04/23/2026 02 AM PDT 3.56 581 - Normal
04/23/2026 03 AM PDT 3.56 581 0 Normal
04/23/2026 04 AM PDT 3.55 577 - Normal
04/23/2026 05 AM PDT 3.54 573 - Normal
04/23/2026 06 AM PDT 3.53 568 - Normal
04/23/2026 07 AM PDT 3.51 560 - Normal
04/23/2026 08 AM PDT 3.50 556 - Normal
04/23/2026 09 AM PDT 3.48 547 - Normal
04/23/2026 10 AM PDT 3.46 539 - Normal
04/23/2026 11 AM PDT 3.45 535 - Normal
04/23/2026 12 PM PDT 3.44 531 - Normal
04/23/2026 01 PM PDT 3.43 526 - Normal
04/23/2026 02 PM PDT 3.43 526 0 Normal
04/23/2026 03 PM PDT 3.42 522 - Normal
04/23/2026 04 PM PDT 3.42 522 0 Normal
04/23/2026 05 PM PDT 3.42 522 0 Normal
04/23/2026 06 PM PDT 3.47 543 + Normal
04/23/2026 07 PM PDT 3.52 564 + Normal
04/23/2026 08 PM PDT 3.58 590 + Normal
04/23/2026 09 PM PDT 3.62 608 + Normal
04/23/2026 10 PM PDT 3.68 635 + Normal
04/23/2026 11 PM PDT 3.72 653 + Normal
04/24/2026 12 AM PDT 3.74 663 + Normal
04/24/2026 01 AM PDT 3.75 667 + Normal
04/24/2026 02 AM PDT 3.76 672 + Normal
04/24/2026 03 AM PDT 3.76 672 0 Normal
04/24/2026 04 AM PDT 3.77 677 + Normal
04/24/2026 05 AM PDT 3.77 677 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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