# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Happy Isles (HPIC1)
#
# File Generation Time: 04/26/2026 at 08:22 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/24/2026 at 12:00 AM PDT
# Maximum Observed Stage: 3.89 Feet
# Maximum Observed Flow: 735 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/01/2026 at 05:00 AM PDT
# Maximum Forecast Stage: 4.63 Feet
# Maximum Forecast Flow: 1152 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/21/2026 08 AM PDT 3.61 603 Normal
04/21/2026 09 AM PDT 3.55 577 - Normal
04/21/2026 10 AM PDT 3.56 581 + Normal
04/21/2026 11 AM PDT 3.59 594 + Normal
04/21/2026 12 PM PDT 3.59 594 0 Normal
04/21/2026 01 PM PDT 3.61 603 + Normal
04/21/2026 02 PM PDT 3.62 608 + Normal
04/21/2026 03 PM PDT 3.66 626 + Normal
04/21/2026 04 PM PDT 3.67 630 + Normal
04/21/2026 05 PM PDT 3.71 649 + Normal
04/21/2026 06 PM PDT 3.71 649 0 Normal
04/21/2026 07 PM PDT 3.70 644 - Normal
04/21/2026 08 PM PDT 3.70 644 0 Normal
04/21/2026 09 PM PDT 3.69 639 - Normal
04/21/2026 10 PM PDT 3.67 630 - Normal
04/21/2026 11 PM PDT 3.64 617 - Normal
04/22/2026 12 AM PDT 3.62 608 - Normal
04/22/2026 01 AM PDT 3.62 608 0 Normal
04/22/2026 02 AM PDT 3.60 599 - Normal
04/22/2026 03 AM PDT 3.61 603 + Normal
04/22/2026 04 AM PDT 3.61 603 0 Normal
04/22/2026 05 AM PDT 3.62 608 + Normal
04/22/2026 06 AM PDT 3.61 603 - Normal
04/22/2026 07 AM PDT 3.62 608 + Normal
04/22/2026 08 AM PDT 3.58 590 - Normal
04/22/2026 09 AM PDT 3.61 603 + Normal
04/22/2026 10 AM PDT 3.60 599 - Normal
04/22/2026 11 AM PDT 3.60 599 0 Normal
04/22/2026 12 PM PDT 3.63 612 + Normal
04/22/2026 01 PM PDT 3.66 626 + Normal
04/22/2026 02 PM PDT 3.69 639 + Normal
04/22/2026 03 PM PDT 3.72 653 + Normal
04/22/2026 04 PM PDT 3.77 677 + Normal
04/22/2026 05 PM PDT 3.79 686 + Normal
04/22/2026 06 PM PDT 3.78 681 - Normal
04/22/2026 07 PM PDT 3.81 696 + Normal
04/22/2026 08 PM PDT 3.79 686 - Normal
04/22/2026 09 PM PDT 3.81 696 + Normal
04/22/2026 10 PM PDT 3.80 691 - Normal
04/22/2026 11 PM PDT 3.78 681 - Normal
04/23/2026 12 AM PDT 3.73 658 - Normal
04/23/2026 01 AM PDT 3.73 658 0 Normal
04/23/2026 02 AM PDT 3.68 635 - Normal
04/23/2026 03 AM PDT 3.68 635 0 Normal
04/23/2026 04 AM PDT 3.63 612 - Normal
04/23/2026 05 AM PDT 3.60 599 - Normal
04/23/2026 06 AM PDT 3.57 586 - Normal
04/23/2026 07 AM PDT 3.54 573 - Normal
04/23/2026 08 AM PDT 3.51 560 - Normal
04/23/2026 09 AM PDT 3.47 543 - Normal
04/23/2026 10 AM PDT 3.45 535 - Normal
04/23/2026 11 AM PDT 3.43 526 - Normal
04/23/2026 12 PM PDT 3.42 522 - Normal
04/23/2026 01 PM PDT 3.44 531 + Normal
04/23/2026 02 PM PDT 3.45 535 + Normal
04/23/2026 03 PM PDT 3.50 556 + Normal
04/23/2026 04 PM PDT 3.54 573 + Normal
04/23/2026 05 PM PDT 3.59 594 + Normal
04/23/2026 06 PM PDT 3.65 621 + Normal
04/23/2026 07 PM PDT 3.72 653 + Normal
04/23/2026 08 PM PDT 3.79 686 + Normal
04/23/2026 09 PM PDT 3.86 720 + Normal
04/23/2026 10 PM PDT 3.86 720 0 Normal
04/23/2026 11 PM PDT 3.89 735 + Normal
04/24/2026 12 AM PDT 3.89 735 0 Normal
04/24/2026 01 AM PDT 3.88 730 - Normal
04/24/2026 02 AM PDT 3.86 720 - Normal
04/24/2026 03 AM PDT 3.82 700 - Normal
04/24/2026 04 AM PDT 3.80 691 - Normal
04/24/2026 05 AM PDT 3.79 686 - Normal
04/24/2026 06 AM PDT 3.76 672 - Normal
04/24/2026 07 AM PDT 3.74 663 - Normal
04/24/2026 08 AM PDT 3.71 649 - Normal
04/24/2026 09 AM PDT 3.70 644 - Normal
04/24/2026 10 AM PDT 3.68 635 - Normal
04/24/2026 11 AM PDT 3.68 635 0 Normal
04/24/2026 12 PM PDT 3.63 612 - Normal
04/24/2026 01 PM PDT 3.63 612 0 Normal
04/24/2026 02 PM PDT 3.62 608 - Normal
04/24/2026 03 PM PDT 3.65 621 + Normal
04/24/2026 04 PM PDT 3.63 612 - Normal
04/24/2026 05 PM PDT 3.63 612 0 Normal
04/24/2026 06 PM PDT 3.66 626 + Normal
04/24/2026 07 PM PDT 3.77 677 + Normal
04/24/2026 08 PM PDT 3.82 700 + Normal
04/24/2026 09 PM PDT 3.83 705 + Normal
04/24/2026 10 PM PDT 3.81 696 - Normal
04/24/2026 11 PM PDT 3.81 696 0 Normal
04/25/2026 12 AM PDT 3.79 686 - Normal
04/25/2026 01 AM PDT 3.79 686 0 Normal
04/25/2026 02 AM PDT 3.73 658 - Normal
04/25/2026 03 AM PDT 3.72 653 - Normal
04/25/2026 04 AM PDT 3.70 644 - Normal
04/25/2026 05 AM PDT 3.70 644 0 Normal
04/25/2026 06 AM PDT 3.68 635 - Normal
04/25/2026 07 AM PDT 3.65 621 - Normal
04/25/2026 08 AM PDT 3.63 612 - Normal
04/25/2026 09 AM PDT 3.64 617 + Normal
04/25/2026 10 AM PDT 3.61 603 - Normal
04/25/2026 11 AM PDT 3.60 599 - Normal
04/25/2026 12 PM PDT 3.58 590 - Normal
04/25/2026 01 PM PDT 3.59 594 + Normal
04/25/2026 02 PM PDT 3.57 586 - Normal
04/25/2026 03 PM PDT 3.56 581 - Normal
04/25/2026 04 PM PDT 3.55 577 - Normal
04/25/2026 05 PM PDT 3.57 586 + Normal
04/25/2026 06 PM PDT 3.59 594 + Normal
04/25/2026 07 PM PDT 3.62 608 + Normal
04/25/2026 08 PM PDT 3.63 612 + Normal
04/25/2026 09 PM PDT 3.64 617 + Normal
04/25/2026 10 PM PDT 3.72 653 + Normal
04/25/2026 11 PM PDT 3.72 653 0 Normal
04/26/2026 12 AM PDT 3.72 653 0 Normal
04/26/2026 01 AM PDT 3.72 653 0 Normal
04/26/2026 02 AM PDT 3.72 653 0 Normal
04/26/2026 03 AM PDT 3.72 653 0 Normal
04/26/2026 04 AM PDT 3.68 635 - Normal
04/26/2026 05 AM PDT 3.66 626 - Normal
04/26/2026 06 AM PDT 3.65 621 - Normal
04/26/2026 07 AM PDT 3.63 612 - Normal
04/26/2026 08 AM PDT 3.61 603 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/26/2026 09 AM PDT 3.60 599 Normal
04/26/2026 10 AM PDT 3.58 590 - Normal
04/26/2026 11 AM PDT 3.56 581 - Normal
04/26/2026 12 PM PDT 3.55 577 - Normal
04/26/2026 01 PM PDT 3.55 577 0 Normal
04/26/2026 02 PM PDT 3.54 573 - Normal
04/26/2026 03 PM PDT 3.53 568 - Normal
04/26/2026 04 PM PDT 3.52 564 - Normal
04/26/2026 05 PM PDT 3.51 560 - Normal
04/26/2026 06 PM PDT 3.51 560 0 Normal
04/26/2026 07 PM PDT 3.51 560 0 Normal
04/26/2026 08 PM PDT 3.51 560 0 Normal
04/26/2026 09 PM PDT 3.51 560 0 Normal
04/26/2026 10 PM PDT 3.51 560 0 Normal
04/26/2026 11 PM PDT 3.51 560 0 Normal
04/27/2026 12 AM PDT 3.50 556 - Normal
04/27/2026 01 AM PDT 3.49 551 - Normal
04/27/2026 02 AM PDT 3.48 547 - Normal
04/27/2026 03 AM PDT 3.46 539 - Normal
04/27/2026 04 AM PDT 3.45 535 - Normal
04/27/2026 05 AM PDT 3.44 531 - Normal
04/27/2026 06 AM PDT 3.42 522 - Normal
04/27/2026 07 AM PDT 3.41 518 - Normal
04/27/2026 08 AM PDT 3.39 510 - Normal
04/27/2026 09 AM PDT 3.38 506 - Normal
04/27/2026 10 AM PDT 3.36 498 - Normal
04/27/2026 11 AM PDT 3.34 490 - Normal
04/27/2026 12 PM PDT 3.33 486 - Normal
04/27/2026 01 PM PDT 3.33 486 0 Normal
04/27/2026 02 PM PDT 3.32 482 - Normal
04/27/2026 03 PM PDT 3.32 482 0 Normal
04/27/2026 04 PM PDT 3.31 478 - Normal
04/27/2026 05 PM PDT 3.31 478 0 Normal
04/27/2026 06 PM PDT 3.33 486 + Normal
04/27/2026 07 PM PDT 3.34 490 + Normal
04/27/2026 08 PM PDT 3.36 498 + Normal
04/27/2026 09 PM PDT 3.37 502 + Normal
04/27/2026 10 PM PDT 3.38 506 + Normal
04/27/2026 11 PM PDT 3.40 514 + Normal
04/28/2026 12 AM PDT 3.40 514 0 Normal
04/28/2026 01 AM PDT 3.40 514 0 Normal
04/28/2026 02 AM PDT 3.40 514 0 Normal
04/28/2026 03 AM PDT 3.39 510 - Normal
04/28/2026 04 AM PDT 3.39 510 0 Normal
04/28/2026 05 AM PDT 3.39 510 0 Normal
04/28/2026 06 AM PDT 3.38 506 - Normal
04/28/2026 07 AM PDT 3.37 502 - Normal
04/28/2026 08 AM PDT 3.36 498 - Normal
04/28/2026 09 AM PDT 3.35 494 - Normal
04/28/2026 10 AM PDT 3.33 486 - Normal
04/28/2026 11 AM PDT 3.31 478 - Normal
04/28/2026 12 PM PDT 3.31 478 0 Normal
04/28/2026 01 PM PDT 3.30 474 - Normal
04/28/2026 02 PM PDT 3.29 471 - Normal
04/28/2026 03 PM PDT 3.29 471 0 Normal
04/28/2026 04 PM PDT 3.29 471 0 Normal
04/28/2026 05 PM PDT 3.29 471 0 Normal
04/28/2026 06 PM PDT 3.33 486 + Normal
04/28/2026 07 PM PDT 3.37 502 + Normal
04/28/2026 08 PM PDT 3.41 518 + Normal
04/28/2026 09 PM PDT 3.45 535 + Normal
04/28/2026 10 PM PDT 3.50 556 + Normal
04/28/2026 11 PM PDT 3.53 568 + Normal
04/29/2026 12 AM PDT 3.56 581 + Normal
04/29/2026 01 AM PDT 3.58 590 + Normal
04/29/2026 02 AM PDT 3.61 603 + Normal
04/29/2026 03 AM PDT 3.62 608 + Normal
04/29/2026 04 AM PDT 3.64 617 + Normal
04/29/2026 05 AM PDT 3.66 626 + Normal
04/29/2026 06 AM PDT 3.65 621 - Normal
04/29/2026 07 AM PDT 3.64 617 - Normal
04/29/2026 08 AM PDT 3.62 608 - Normal
04/29/2026 09 AM PDT 3.61 603 - Normal
04/29/2026 10 AM PDT 3.59 594 - Normal
04/29/2026 11 AM PDT 3.58 590 - Normal
04/29/2026 12 PM PDT 3.56 581 - Normal
04/29/2026 01 PM PDT 3.54 573 - Normal
04/29/2026 02 PM PDT 3.53 568 - Normal
04/29/2026 03 PM PDT 3.51 560 - Normal
04/29/2026 04 PM PDT 3.51 560 0 Normal
04/29/2026 05 PM PDT 3.53 568 + Normal
04/29/2026 06 PM PDT 3.61 603 + Normal
04/29/2026 07 PM PDT 3.70 644 + Normal
04/29/2026 08 PM PDT 3.80 691 + Normal
04/29/2026 09 PM PDT 3.88 730 + Normal
04/29/2026 10 PM PDT 3.98 780 + Normal
04/29/2026 11 PM PDT 4.04 811 + Normal
04/30/2026 12 AM PDT 4.09 837 + Normal
04/30/2026 01 AM PDT 4.13 859 + Normal
04/30/2026 02 AM PDT 4.16 875 + Normal
04/30/2026 03 AM PDT 4.19 891 + Normal
04/30/2026 04 AM PDT 4.21 903 + Normal
04/30/2026 05 AM PDT 4.24 919 + Normal
04/30/2026 06 AM PDT 4.22 908 - Normal
04/30/2026 07 AM PDT 4.20 897 - Normal
04/30/2026 08 AM PDT 4.18 886 - Normal
04/30/2026 09 AM PDT 4.17 880 - Normal
04/30/2026 10 AM PDT 4.13 859 - Normal
04/30/2026 11 AM PDT 4.12 853 - Normal
04/30/2026 12 PM PDT 4.09 837 - Normal
04/30/2026 01 PM PDT 4.07 827 - Normal
04/30/2026 02 PM PDT 4.06 821 - Normal
04/30/2026 03 PM PDT 4.04 811 - Normal
04/30/2026 04 PM PDT 4.05 816 + Normal
04/30/2026 05 PM PDT 4.07 827 + Normal
04/30/2026 06 PM PDT 4.14 864 + Normal
04/30/2026 07 PM PDT 4.21 903 + Normal
04/30/2026 08 PM PDT 4.30 953 + Normal
04/30/2026 09 PM PDT 4.37 994 + Normal
04/30/2026 10 PM PDT 4.44 1035 + Normal
04/30/2026 11 PM PDT 4.49 1065 + Normal
05/01/2026 12 AM PDT 4.53 1090 + Normal
05/01/2026 01 AM PDT 4.56 1108 + Normal
05/01/2026 02 AM PDT 4.59 1127 + Normal
05/01/2026 03 AM PDT 4.61 1140 + Normal
05/01/2026 04 AM PDT 4.62 1146 + Normal
05/01/2026 05 AM PDT 4.63 1152 + 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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