# Tabular Observed and Forecast Hydrograph Information # # Location: Mad River - Arcata (ARCC1) # # File Generation Time: 01/09/2026 at 01:04 PM PST # Data Interval: 1 Hour # # Most Recent Date & Time of Maximum Observed: 01/04/2026 at 01:00 PM PST # Maximum Observed Stage: 14.85 Feet # Maximum Observed Flow: 11903 cfs # # Earliest Date & Time of Maximum Forecast: 01/09/2026 at 02:00 PM PST # Maximum Forecast Stage: 10.32 Feet # Maximum Forecast Flow: 3867 cfs # # OBSERVED # # Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status # --------------------------------------------------------------------------------- 01/04/2026 01 PM PST 14.85 11903 Normal 01/04/2026 02 PM PST 14.80 11793 - Normal 01/04/2026 03 PM PST 14.71 11595 - Normal 01/04/2026 04 PM PST 14.62 11399 - Normal 01/04/2026 05 PM PST 14.48 11097 - Normal 01/04/2026 06 PM PST 14.48 11097 0 Normal 01/04/2026 07 PM PST 14.39 10905 - Normal 01/04/2026 08 PM PST 14.29 10693 - Normal 01/04/2026 09 PM PST 14.24 10588 - Normal 01/04/2026 10 PM PST 14.10 10296 - Normal 01/04/2026 11 PM PST 14.05 10193 - Normal 01/05/2026 12 AM PST 13.94 9967 - Normal 01/05/2026 01 AM PST 13.87 9825 - Normal 01/05/2026 02 AM PST 13.77 9623 - Normal 01/05/2026 03 AM PST 13.69 9463 - Normal 01/05/2026 04 AM PST 13.64 9364 - Normal 01/05/2026 05 AM PST 13.56 9206 - Normal 01/05/2026 06 AM PST 13.46 9010 - Normal 01/05/2026 07 AM PST 13.44 8971 - Normal 01/05/2026 08 AM PST 13.38 8855 - Normal 01/05/2026 09 AM PST 13.31 8720 - Normal 01/05/2026 10 AM PST 13.26 8624 - Normal 01/05/2026 11 AM PST 13.20 8510 - Normal 01/05/2026 12 PM PST 13.16 8434 - Normal 01/05/2026 01 PM PST 13.13 8378 - Normal 01/05/2026 02 PM PST 13.08 8284 - Normal 01/05/2026 03 PM PST 13.04 8209 - Normal 01/05/2026 04 PM PST 13.00 8135 - Normal 01/05/2026 05 PM PST 12.99 8116 - Normal 01/05/2026 06 PM PST 12.96 8060 - Normal 01/05/2026 07 PM PST 12.92 7986 - Normal 01/05/2026 08 PM PST 12.86 7876 - Normal 01/05/2026 09 PM PST 12.82 7803 - Normal 01/05/2026 10 PM PST 12.76 7694 - Normal 01/05/2026 11 PM PST 12.69 7568 - Normal 01/06/2026 12 AM PST 12.65 7496 - Normal 01/06/2026 01 AM PST 12.57 7353 - Normal 01/06/2026 02 AM PST 12.54 7300 - Normal 01/06/2026 03 AM PST 12.47 7177 - Normal 01/06/2026 04 AM PST 12.42 7090 - Normal 01/06/2026 05 AM PST 12.36 6985 - Normal 01/06/2026 06 AM PST 12.32 6916 - Normal 01/06/2026 07 AM PST 12.27 6830 - Normal 01/06/2026 08 AM PST 12.21 6727 - Normal 01/06/2026 09 AM PST 12.17 6660 - Normal 01/06/2026 10 AM PST 12.12 6575 - Normal 01/06/2026 11 AM PST 12.10 6541 - Normal 01/06/2026 12 PM PST 12.06 6474 - Normal 01/06/2026 01 PM PST 12.04 6441 - Normal 01/06/2026 02 PM PST 11.96 6308 - Normal 01/06/2026 03 PM PST 11.91 6225 - Normal 01/06/2026 04 PM PST 11.86 6144 - Normal 01/06/2026 05 PM PST 11.82 6078 - Normal 01/06/2026 06 PM PST 11.77 5997 - Normal 01/06/2026 07 PM PST 11.73 5933 - Normal 01/06/2026 08 PM PST 11.67 5837 - Normal 01/06/2026 09 PM PST 11.68 5853 + Normal 01/06/2026 10 PM PST 11.60 5726 - Normal 01/06/2026 11 PM PST 11.56 5662 - Normal 01/07/2026 12 AM PST 11.51 5584 - Normal 01/07/2026 01 AM PST 11.48 5537 - Normal 01/07/2026 02 AM PST 11.48 5537 0 Normal 01/07/2026 03 AM PST 11.41 5429 - Normal 01/07/2026 04 AM PST 11.38 5383 - Normal 01/07/2026 05 AM PST 11.35 5337 - Normal 01/07/2026 06 AM PST 11.32 5291 - Normal 01/07/2026 07 AM PST 11.27 5215 - Normal 01/07/2026 08 AM PST 11.24 5169 - Normal 01/07/2026 09 AM PST 11.21 5124 - Normal 01/07/2026 10 AM PST 11.20 5109 - Normal 01/07/2026 11 AM PST 11.14 5019 - Normal 01/07/2026 12 PM PST 11.12 4990 - Normal 01/07/2026 01 PM PST 11.13 5005 + Normal 01/07/2026 02 PM PST 11.11 4975 - Normal 01/07/2026 03 PM PST 11.12 4990 + Normal 01/07/2026 04 PM PST 11.08 4930 - Normal 01/07/2026 05 PM PST 11.09 4945 + Normal 01/07/2026 06 PM PST 11.09 4945 0 Normal 01/07/2026 07 PM PST 11.08 4930 - Normal 01/07/2026 08 PM PST 11.04 4872 - Normal 01/07/2026 09 PM PST 11.06 4901 + Normal 01/07/2026 10 PM PST 11.07 4916 + Normal 01/07/2026 11 PM PST 11.11 4975 + Normal 01/08/2026 12 AM PST 11.17 5064 + Normal 01/08/2026 01 AM PST 11.18 5079 + Normal 01/08/2026 02 AM PST 11.21 5124 + Normal 01/08/2026 03 AM PST 11.23 5154 + Normal 01/08/2026 04 AM PST 11.23 5154 0 Normal 01/08/2026 05 AM PST 11.25 5184 + Normal 01/08/2026 06 AM PST 11.24 5169 - Normal 01/08/2026 07 AM PST 11.21 5124 - Normal 01/08/2026 08 AM PST 11.21 5124 0 Normal 01/08/2026 09 AM PST 11.17 5064 - Normal 01/08/2026 10 AM PST 11.13 5005 - Normal 01/08/2026 11 AM PST 11.11 4975 - Normal 01/08/2026 12 PM PST 11.06 4901 - Normal 01/08/2026 01 PM PST 11.02 4842 - Normal 01/08/2026 02 PM PST 11.00 4813 - Normal 01/08/2026 03 PM PST 10.94 4726 - Normal 01/08/2026 04 PM PST 10.94 4726 0 Normal 01/08/2026 05 PM PST 10.87 4625 - Normal 01/08/2026 06 PM PST 10.84 4582 - Normal 01/08/2026 07 PM PST 10.81 4539 - Normal 01/08/2026 08 PM PST 10.76 4468 - Normal 01/08/2026 09 PM PST 10.71 4398 - Normal 01/08/2026 10 PM PST 10.63 4287 - Normal 01/08/2026 11 PM PST 10.59 4232 - Normal 01/09/2026 12 AM PST 10.56 4190 - Normal 01/09/2026 01 AM PST 10.54 4163 - Normal 01/09/2026 02 AM PST 10.50 4108 - Normal 01/09/2026 03 AM PST 10.48 4081 - Normal 01/09/2026 04 AM PST 10.47 4068 - Normal 01/09/2026 05 AM PST 10.44 4027 - Normal 01/09/2026 06 AM PST 10.40 3974 - Normal 01/09/2026 07 AM PST 10.39 3960 - Normal 01/09/2026 08 AM PST 10.42 4001 + Normal 01/09/2026 09 AM PST 10.44 4027 + Normal 01/09/2026 10 AM PST 10.43 4014 - Normal 01/09/2026 11 AM PST 10.41 3987 - Normal 01/09/2026 12 PM PST 10.38 3947 - Normal 01/09/2026 01 PM PST 10.35 3907 - Normal # # FORECAST # # Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status # --------------------------------------------------------------------------------- 01/09/2026 02 PM PST 10.32 3867 Normal 01/09/2026 03 PM PST 10.29 3828 - Normal 01/09/2026 04 PM PST 10.26 3789 - Normal 01/09/2026 05 PM PST 10.24 3762 - Normal 01/09/2026 06 PM PST 10.21 3723 - Normal 01/09/2026 07 PM PST 10.19 3698 - Normal 01/09/2026 08 PM PST 10.17 3672 - Normal 01/09/2026 09 PM PST 10.15 3646 - Normal 01/09/2026 10 PM PST 10.13 3620 - Normal 01/09/2026 11 PM PST 10.12 3607 - Normal 01/10/2026 12 AM PST 10.10 3582 - Normal 01/10/2026 01 AM PST 10.08 3556 - Normal 01/10/2026 02 AM PST 10.06 3531 - Normal 01/10/2026 03 AM PST 10.04 3506 - Normal 01/10/2026 04 AM PST 10.01 3468 - Normal 01/10/2026 05 AM PST 9.98 3430 - Normal 01/10/2026 06 AM PST 9.96 3406 - Normal 01/10/2026 07 AM PST 9.94 3381 - Normal 01/10/2026 08 AM PST 9.91 3344 - Normal 01/10/2026 09 AM PST 9.88 3307 - Normal 01/10/2026 10 AM PST 9.86 3282 - Normal 01/10/2026 11 AM PST 9.83 3245 - Normal 01/10/2026 12 PM PST 9.81 3221 - Normal 01/10/2026 01 PM PST 9.79 3197 - Normal 01/10/2026 02 PM PST 9.76 3161 - Normal 01/10/2026 03 PM PST 9.73 3125 - Normal 01/10/2026 04 PM PST 9.71 3101 - Normal 01/10/2026 05 PM PST 9.69 3077 - Normal 01/10/2026 06 PM PST 9.66 3041 - Normal 01/10/2026 07 PM PST 9.64 3018 - Normal 01/10/2026 08 PM PST 9.62 2994 - Normal 01/10/2026 09 PM PST 9.60 2971 - Normal 01/10/2026 10 PM PST 9.58 2947 - Normal 01/10/2026 11 PM PST 9.55 2913 - Normal 01/11/2026 12 AM PST 9.53 2889 - Normal 01/11/2026 01 AM PST 9.51 2866 - Normal 01/11/2026 02 AM PST 9.49 2843 - Normal 01/11/2026 03 AM PST 9.47 2820 - Normal 01/11/2026 04 AM PST 9.45 2798 - Normal 01/11/2026 05 AM PST 9.43 2775 - Normal 01/11/2026 06 AM PST 9.41 2752 - Normal 01/11/2026 07 AM PST 9.40 2741 - Normal 01/11/2026 08 AM PST 9.38 2719 - Normal 01/11/2026 09 AM PST 9.36 2696 - Normal 01/11/2026 10 AM PST 9.34 2674 - Normal 01/11/2026 11 AM PST 9.32 2652 - Normal 01/11/2026 12 PM PST 9.30 2629 - Normal 01/11/2026 01 PM PST 9.29 2618 - Normal 01/11/2026 02 PM PST 9.27 2596 - Normal 01/11/2026 03 PM PST 9.25 2574 - Normal 01/11/2026 04 PM PST 9.24 2563 - Normal 01/11/2026 05 PM PST 9.22 2542 - Normal 01/11/2026 06 PM PST 9.20 2520 - Normal 01/11/2026 07 PM PST 9.19 2509 - Normal 01/11/2026 08 PM PST 9.17 2487 - Normal 01/11/2026 09 PM PST 9.15 2466 - Normal 01/11/2026 10 PM PST 9.14 2455 - Normal 01/11/2026 11 PM PST 9.12 2434 - Normal 01/12/2026 12 AM PST 9.11 2423 - Normal 01/12/2026 01 AM PST 9.09 2402 - Normal 01/12/2026 02 AM PST 9.08 2391 - Normal 01/12/2026 03 AM PST 9.06 2370 - Normal 01/12/2026 04 AM PST 9.04 2349 - Normal 01/12/2026 05 AM PST 9.03 2339 - Normal 01/12/2026 06 AM PST 9.02 2328 - Normal 01/12/2026 07 AM PST 9.00 2307 - Normal 01/12/2026 08 AM PST 8.99 2297 - Normal 01/12/2026 09 AM PST 8.97 2276 - Normal 01/12/2026 10 AM PST 8.96 2266 - Normal 01/12/2026 11 AM PST 8.94 2245 - Normal 01/12/2026 12 PM PST 8.93 2235 - Normal 01/12/2026 01 PM PST 8.92 2225 - Normal 01/12/2026 02 PM PST 8.90 2204 - Normal 01/12/2026 03 PM PST 8.89 2194 - Normal 01/12/2026 04 PM PST 8.88 2184 - Normal 01/12/2026 05 PM PST 8.86 2164 - Normal 01/12/2026 06 PM PST 8.85 2153 - Normal 01/12/2026 07 PM PST 8.84 2143 - Normal 01/12/2026 08 PM PST 8.82 2123 - Normal 01/12/2026 09 PM PST 8.81 2113 - Normal 01/12/2026 10 PM PST 8.79 2093 - Normal 01/12/2026 11 PM PST 8.78 2083 - Normal 01/13/2026 12 AM PST 8.77 2073 - Normal 01/13/2026 01 AM PST 8.76 2064 - Normal 01/13/2026 02 AM PST 8.75 2054 - Normal 01/13/2026 03 AM PST 8.73 2034 - Normal 01/13/2026 04 AM PST 8.72 2024 - Normal 01/13/2026 05 AM PST 8.71 2014 - Normal 01/13/2026 06 AM PST 8.69 1995 - Normal 01/13/2026 07 AM PST 8.68 1985 - Normal 01/13/2026 08 AM PST 8.67 1975 - Normal 01/13/2026 09 AM PST 8.65 1956 - Normal 01/13/2026 10 AM PST 8.64 1946 - Normal 01/13/2026 11 AM PST 8.62 1927 - Normal 01/13/2026 12 PM PST 8.61 1918 - Normal 01/13/2026 01 PM PST 8.60 1908 - Normal 01/13/2026 02 PM PST 8.59 1899 - Normal 01/13/2026 03 PM PST 8.57 1880 - Normal 01/13/2026 04 PM PST 8.56 1870 - Normal 01/13/2026 05 PM PST 8.55 1861 - Normal 01/13/2026 06 PM PST 8.53 1842 - Normal 01/13/2026 07 PM PST 8.52 1832 - Normal 01/13/2026 08 PM PST 8.51 1823 - Normal 01/13/2026 09 PM PST 8.50 1814 - Normal 01/13/2026 10 PM PST 8.48 1795 - Normal 01/13/2026 11 PM PST 8.47 1786 - Normal 01/14/2026 12 AM PST 8.46 1777 - Normal 01/14/2026 01 AM PST 8.45 1767 - Normal 01/14/2026 02 AM PST 8.44 1758 - Normal 01/14/2026 03 AM PST 8.43 1749 - Normal 01/14/2026 04 AM PST 8.41 1731 - 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. |