# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mad River - Arcata (ARCC1)
#
# File Generation Time: 12/25/2025 at 12:58 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 12/21/2025 at 04:00 PM PST
# Maximum Observed Stage: 24.70 Feet
# Maximum Observed Flow: 42532 cfs
#
# Earliest Date & Time of Maximum Forecast: 12/26/2025 at 04:00 PM PST
# Maximum Forecast Stage: 14.50 Feet
# Maximum Forecast Flow: 11140 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
12/20/2025 12 PM PST 10.75 3935 Normal
12/20/2025 01 PM PST 10.67 3815 - Normal
12/20/2025 02 PM PST 10.64 3770 - Normal
12/20/2025 03 PM PST 10.59 3696 - Normal
12/20/2025 04 PM PST 10.56 3652 - Normal
12/20/2025 05 PM PST 10.51 3579 - Normal
12/20/2025 06 PM PST 10.48 3536 - Normal
12/20/2025 07 PM PST 10.45 3493 - Normal
12/20/2025 08 PM PST 10.43 3464 - Normal
12/20/2025 09 PM PST 10.39 3407 - Normal
12/20/2025 10 PM PST 10.37 3379 - Normal
12/20/2025 11 PM PST 10.36 3365 - Normal
12/21/2025 12 AM PST 10.35 3351 - Normal
12/21/2025 01 AM PST 10.36 3365 + Normal
12/21/2025 02 AM PST 10.37 3379 + Normal
12/21/2025 03 AM PST 10.41 3436 + Normal
12/21/2025 04 AM PST 10.53 3608 + Normal
12/21/2025 05 AM PST 10.74 3920 + Normal
12/21/2025 06 AM PST 11.26 4742 + Normal
12/21/2025 07 AM PST 12.23 6466 + Normal
12/21/2025 08 AM PST 13.66 9403 + Normal
12/21/2025 09 AM PST 15.40 13149 + Action/Monitor
12/21/2025 10 AM PST 17.24 17729 + Action/Monitor
12/21/2025 11 AM PST 19.24 23410 + Action/Monitor
12/21/2025 12 PM PST 21.03 29104 + Action/Monitor
12/21/2025 01 PM PST 22.44 33986 + Minor Flood
12/21/2025 02 PM PST 23.83 39138 + Minor Flood
12/21/2025 03 PM PST 24.58 42056 + Moderate Flood
12/21/2025 04 PM PST 24.70 42532 + Moderate Flood
12/21/2025 05 PM PST 24.58 42056 - Moderate Flood
12/21/2025 06 PM PST 24.11 40216 - Moderate Flood
12/21/2025 07 PM PST 23.65 38452 - Minor Flood
12/21/2025 08 PM PST 23.06 36243 - Minor Flood
12/21/2025 09 PM PST 22.65 34743 - Minor Flood
12/21/2025 10 PM PST 22.00 32425 - Minor Flood
12/21/2025 11 PM PST 21.56 30898 - Action/Monitor
12/22/2025 12 AM PST 21.18 29607 - Action/Monitor
12/22/2025 01 AM PST 20.99 28970 - Action/Monitor
12/22/2025 02 AM PST 20.58 27619 - Action/Monitor
12/22/2025 03 AM PST 20.38 26971 - Action/Monitor
12/22/2025 04 AM PST 20.22 26457 - Action/Monitor
12/22/2025 05 AM PST 20.03 25853 - Action/Monitor
12/22/2025 06 AM PST 19.74 24943 - Action/Monitor
12/22/2025 07 AM PST 19.48 24141 - Action/Monitor
12/22/2025 08 AM PST 19.30 23592 - Action/Monitor
12/22/2025 09 AM PST 19.26 23471 - Action/Monitor
12/22/2025 10 AM PST 19.00 22690 - Action/Monitor
12/22/2025 11 AM PST 18.52 21282 - Action/Monitor
12/22/2025 12 PM PST 18.24 20479 - Action/Monitor
12/22/2025 01 PM PST 17.97 19719 - Action/Monitor
12/22/2025 02 PM PST 17.70 18971 - Action/Monitor
12/22/2025 03 PM PST 17.66 18862 - Action/Monitor
12/22/2025 04 PM PST 17.25 17756 - Action/Monitor
12/22/2025 05 PM PST 16.86 16732 - Action/Monitor
12/22/2025 06 PM PST 16.75 16448 - Action/Monitor
12/22/2025 07 PM PST 16.52 15862 - Action/Monitor
12/22/2025 08 PM PST 16.17 14989 - Action/Monitor
12/22/2025 09 PM PST 16.11 14842 - Action/Monitor
12/22/2025 10 PM PST 15.90 14332 - Action/Monitor
12/22/2025 11 PM PST 15.66 13758 - Action/Monitor
12/23/2025 12 AM PST 15.50 13382 - Action/Monitor
12/23/2025 01 AM PST 15.27 12850 - Action/Monitor
12/23/2025 02 AM PST 15.08 12417 - Action/Monitor
12/23/2025 03 AM PST 14.89 11992 - Normal
12/23/2025 04 AM PST 14.71 11595 - Normal
12/23/2025 05 AM PST 14.53 11204 - Normal
12/23/2025 06 AM PST 14.40 10926 - Normal
12/23/2025 07 AM PST 14.26 10630 - Normal
12/23/2025 08 AM PST 14.16 10421 - Normal
12/23/2025 09 AM PST 14.02 10131 - Normal
12/23/2025 10 AM PST 13.91 9906 - Normal
12/23/2025 11 AM PST 13.87 9825 - Normal
12/23/2025 12 PM PST 13.82 9724 - Normal
12/23/2025 01 PM PST 13.78 9643 - Normal
12/23/2025 02 PM PST 13.71 9503 - Normal
12/23/2025 03 PM PST 13.67 9423 - Normal
12/23/2025 04 PM PST 13.67 9423 0 Normal
12/23/2025 05 PM PST 13.69 9463 + Normal
12/23/2025 06 PM PST 13.74 9563 + Normal
12/23/2025 07 PM PST 13.81 9704 + Normal
12/23/2025 08 PM PST 13.83 9744 + Normal
12/23/2025 09 PM PST 13.84 9764 + Normal
12/23/2025 10 PM PST 13.84 9764 0 Normal
12/23/2025 11 PM PST 13.83 9744 - Normal
12/24/2025 12 AM PST 13.75 9583 - Normal
12/24/2025 01 AM PST 13.71 9503 - Normal
12/24/2025 02 AM PST 13.67 9423 - Normal
12/24/2025 03 AM PST 13.66 9403 - Normal
12/24/2025 04 AM PST 13.63 9344 - Normal
12/24/2025 05 AM PST 13.71 9503 + Normal
12/24/2025 06 AM PST 13.83 9744 + Normal
12/24/2025 07 AM PST 13.94 9967 + Normal
12/24/2025 08 AM PST 14.25 10609 + Normal
12/24/2025 09 AM PST 14.60 11356 + Normal
12/24/2025 10 AM PST 14.69 11551 + Normal
12/24/2025 11 AM PST 14.58 11312 - Normal
12/24/2025 12 PM PST 14.56 11269 - Normal
12/24/2025 01 PM PST 14.50 11140 - Normal
12/24/2025 02 PM PST 14.47 11076 - Normal
12/24/2025 03 PM PST 14.37 10862 - Normal
12/24/2025 04 PM PST 14.32 10756 - Normal
12/24/2025 05 PM PST 14.19 10483 - Normal
12/24/2025 06 PM PST 14.01 10111 - Normal
12/24/2025 07 PM PST 13.89 9865 - Normal
12/24/2025 08 PM PST 13.78 9643 - Normal
12/24/2025 09 PM PST 13.67 9423 - Normal
12/24/2025 10 PM PST 13.63 9344 - Normal
12/24/2025 11 PM PST 13.53 9147 - Normal
12/25/2025 12 AM PST 13.46 8999 - Normal
12/25/2025 01 AM PST 13.43 8933 - Normal
12/25/2025 02 AM PST 13.37 8801 - Normal
12/25/2025 03 AM PST 13.33 8713 - Normal
12/25/2025 04 AM PST 13.31 8670 - Normal
12/25/2025 05 AM PST 13.24 8518 - Normal
12/25/2025 06 AM PST 13.27 8583 + Normal
12/25/2025 07 AM PST 13.19 8410 - Normal
12/25/2025 08 AM PST 13.24 8518 + Normal
12/25/2025 09 AM PST 13.31 8670 + Normal
12/25/2025 10 AM PST 13.37 8801 + Normal
12/25/2025 11 AM PST 13.46 8999 + Normal
12/25/2025 12 PM PST 13.57 9225 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
12/25/2025 01 PM PST 13.69 9463 Normal
12/25/2025 02 PM PST 13.80 9683 + Normal
12/25/2025 03 PM PST 13.89 9865 + Normal
12/25/2025 04 PM PST 13.96 10008 + Normal
12/25/2025 05 PM PST 14.03 10152 + Normal
12/25/2025 06 PM PST 14.10 10296 + Normal
12/25/2025 07 PM PST 14.16 10421 + Normal
12/25/2025 08 PM PST 14.22 10546 + Normal
12/25/2025 09 PM PST 14.27 10651 + Normal
12/25/2025 10 PM PST 14.31 10735 + Normal
12/25/2025 11 PM PST 14.35 10820 + Normal
12/26/2025 12 AM PST 14.34 10799 - Normal
12/26/2025 01 AM PST 14.32 10756 - Normal
12/26/2025 02 AM PST 14.30 10714 - Normal
12/26/2025 03 AM PST 14.29 10693 - Normal
12/26/2025 04 AM PST 14.28 10672 - Normal
12/26/2025 05 AM PST 14.28 10672 0 Normal
12/26/2025 06 AM PST 14.28 10672 0 Normal
12/26/2025 07 AM PST 14.26 10630 - Normal
12/26/2025 08 AM PST 14.25 10609 - Normal
12/26/2025 09 AM PST 14.26 10630 + Normal
12/26/2025 10 AM PST 14.27 10651 + Normal
12/26/2025 11 AM PST 14.29 10693 + Normal
12/26/2025 12 PM PST 14.33 10778 + Normal
12/26/2025 01 PM PST 14.40 10926 + Normal
12/26/2025 02 PM PST 14.45 11033 + Normal
12/26/2025 03 PM PST 14.48 11097 + Normal
12/26/2025 04 PM PST 14.50 11140 + Normal
12/26/2025 05 PM PST 14.50 11140 0 Normal
12/26/2025 06 PM PST 14.46 11054 - Normal
12/26/2025 07 PM PST 14.39 10905 - Normal
12/26/2025 08 PM PST 14.34 10799 - Normal
12/26/2025 09 PM PST 14.29 10693 - Normal
12/26/2025 10 PM PST 14.24 10588 - Normal
12/26/2025 11 PM PST 14.19 10483 - Normal
12/27/2025 12 AM PST 14.11 10317 - Normal
12/27/2025 01 AM PST 13.99 10070 - Normal
12/27/2025 02 AM PST 13.90 9886 - Normal
12/27/2025 03 AM PST 13.82 9724 - Normal
12/27/2025 04 AM PST 13.76 9603 - Normal
12/27/2025 05 AM PST 13.71 9503 - Normal
12/27/2025 06 AM PST 13.63 9344 - Normal
12/27/2025 07 AM PST 13.52 9127 - Normal
12/27/2025 08 AM PST 13.41 8889 - Normal
12/27/2025 09 AM PST 13.33 8713 - Normal
12/27/2025 10 AM PST 13.26 8561 - Normal
12/27/2025 11 AM PST 13.20 8432 - Normal
12/27/2025 12 PM PST 13.13 8282 - Normal
12/27/2025 01 PM PST 13.05 8112 - Normal
12/27/2025 02 PM PST 12.98 7965 - Normal
12/27/2025 03 PM PST 12.92 7840 - Normal
12/27/2025 04 PM PST 12.86 7715 - Normal
12/27/2025 05 PM PST 12.80 7592 - Normal
12/27/2025 06 PM PST 12.75 7490 - Normal
12/27/2025 07 PM PST 12.69 7368 - Normal
12/27/2025 08 PM PST 12.63 7247 - Normal
12/27/2025 09 PM PST 12.57 7128 - Normal
12/27/2025 10 PM PST 12.51 7009 - Normal
12/27/2025 11 PM PST 12.46 6910 - Normal
12/28/2025 12 AM PST 12.41 6812 - Normal
12/28/2025 01 AM PST 12.36 6715 - Normal
12/28/2025 02 AM PST 12.31 6619 - Normal
12/28/2025 03 AM PST 12.26 6523 - Normal
12/28/2025 04 AM PST 12.21 6428 - Normal
12/28/2025 05 AM PST 12.16 6333 - Normal
12/28/2025 06 AM PST 12.12 6258 - Normal
12/28/2025 07 AM PST 12.08 6183 - Normal
12/28/2025 08 AM PST 12.04 6109 - Normal
12/28/2025 09 AM PST 12.00 6035 - Normal
12/28/2025 10 AM PST 11.97 5980 - Normal
12/28/2025 11 AM PST 11.94 5925 - Normal
12/28/2025 12 PM PST 11.90 5852 - Normal
12/28/2025 01 PM PST 11.87 5797 - Normal
12/28/2025 02 PM PST 11.83 5725 - Normal
12/28/2025 03 PM PST 11.79 5654 - Normal
12/28/2025 04 PM PST 11.75 5582 - Normal
12/28/2025 05 PM PST 11.71 5511 - Normal
12/28/2025 06 PM PST 11.67 5441 - Normal
12/28/2025 07 PM PST 11.64 5388 - Normal
12/28/2025 08 PM PST 11.60 5318 - Normal
12/28/2025 09 PM PST 11.56 5249 - Normal
12/28/2025 10 PM PST 11.52 5180 - Normal
12/28/2025 11 PM PST 11.49 5129 - Normal
12/29/2025 12 AM PST 11.46 5077 - Normal
12/29/2025 01 AM PST 11.42 5009 - Normal
12/29/2025 02 AM PST 11.39 4959 - Normal
12/29/2025 03 AM PST 11.35 4892 - Normal
12/29/2025 04 AM PST 11.32 4842 - Normal
12/29/2025 05 AM PST 11.29 4792 - Normal
12/29/2025 06 AM PST 11.26 4742 - Normal
12/29/2025 07 AM PST 11.23 4693 - Normal
12/29/2025 08 AM PST 11.20 4644 - Normal
12/29/2025 09 AM PST 11.16 4578 - Normal
12/29/2025 10 AM PST 11.13 4530 - Normal
12/29/2025 11 AM PST 11.11 4498 - Normal
12/29/2025 12 PM PST 11.08 4449 - Normal
12/29/2025 01 PM PST 11.06 4417 - Normal
12/29/2025 02 PM PST 11.03 4370 - Normal
12/29/2025 03 PM PST 11.01 4338 - Normal
12/29/2025 04 PM PST 10.98 4290 - Normal
12/29/2025 05 PM PST 10.95 4243 - Normal
12/29/2025 06 PM PST 10.93 4212 - Normal
12/29/2025 07 PM PST 10.90 4165 - Normal
12/29/2025 08 PM PST 10.88 4134 - Normal
12/29/2025 09 PM PST 10.85 4088 - Normal
12/29/2025 10 PM PST 10.83 4057 - Normal
12/29/2025 11 PM PST 10.80 4011 - Normal
12/30/2025 12 AM PST 10.78 3981 - Normal
12/30/2025 01 AM PST 10.76 3950 - Normal
12/30/2025 02 AM PST 10.74 3920 - Normal
12/30/2025 03 AM PST 10.71 3875 - Normal
12/30/2025 04 AM PST 10.69 3845 - 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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