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MAD RIVER - ARCATA (ARCC1)
| Latitude: 40.91º N | Longitude: 124.06º W | Elevation: 13 Feet | | | |
| Location: Humboldt County in California | Bulletin Group: North Coast | River Group: North Coast |
| Issuance Time: | Apr 25 2024 at 8:07 AM PDT | Next Issuance: | Apr 26 2024 at 9:00 AM PDT
| |
| Monitor Stage: 15.0 Feet | Flood Stage: 22.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mad River - Arcata (ARCC1)
#
# File Generation Time: 04/25/2024 at 08:07 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/20/2024 at 08:00 AM PDT
# Maximum Observed Stage: 7.5 Feet
# Maximum Observed Flow: 978 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/26/2024 at 10:00 PM PDT
# Maximum Forecast Stage: 8.2 Feet
# Maximum Forecast Flow: 1563 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/20/2024 08 AM PDT 7.5 978 Normal
04/20/2024 09 AM PDT 7.4 964 - Normal
04/20/2024 10 AM PDT 7.4 971 + Normal
04/20/2024 11 AM PDT 7.4 957 - Normal
04/20/2024 12 PM PDT 7.4 971 + Normal
04/20/2024 01 PM PDT 7.4 964 - Normal
04/20/2024 02 PM PDT 7.4 964 0 Normal
04/20/2024 03 PM PDT 7.4 957 - Normal
04/20/2024 04 PM PDT 7.4 964 + Normal
04/20/2024 05 PM PDT 7.4 964 0 Normal
04/20/2024 06 PM PDT 7.4 957 - Normal
04/20/2024 07 PM PDT 7.4 957 0 Normal
04/20/2024 08 PM PDT 7.4 957 0 Normal
04/20/2024 09 PM PDT 7.4 950 - Normal
04/20/2024 10 PM PDT 7.4 937 - Normal
04/20/2024 11 PM PDT 7.4 937 0 Normal
04/21/2024 12 AM PDT 7.4 930 - Normal
04/21/2024 01 AM PDT 7.4 924 - Normal
04/21/2024 02 AM PDT 7.4 917 - Normal
04/21/2024 03 AM PDT 7.3 911 - Normal
04/21/2024 04 AM PDT 7.4 917 + Normal
04/21/2024 05 AM PDT 7.3 911 - Normal
04/21/2024 06 AM PDT 7.3 911 0 Normal
04/21/2024 07 AM PDT 7.3 911 0 Normal
04/21/2024 08 AM PDT 7.3 911 0 Normal
04/21/2024 09 AM PDT 7.3 911 0 Normal
04/21/2024 10 AM PDT 7.3 905 - Normal
04/21/2024 11 AM PDT 7.3 905 0 Normal
04/21/2024 12 PM PDT 7.3 905 0 Normal
04/21/2024 01 PM PDT 7.3 905 0 Normal
04/21/2024 02 PM PDT 7.3 898 - Normal
04/21/2024 03 PM PDT 7.3 905 + Normal
04/21/2024 04 PM PDT 7.3 905 0 Normal
04/21/2024 05 PM PDT 7.3 905 0 Normal
04/21/2024 06 PM PDT 7.3 898 - Normal
04/21/2024 07 PM PDT 7.3 898 0 Normal
04/21/2024 08 PM PDT 7.3 892 - Normal
04/21/2024 09 PM PDT 7.3 898 + Normal
04/21/2024 10 PM PDT 7.3 886 - Normal
04/21/2024 11 PM PDT 7.3 886 0 Normal
04/22/2024 12 AM PDT 7.3 880 - Normal
04/22/2024 01 AM PDT 7.3 867 - Normal
04/22/2024 02 AM PDT 7.3 873 + Normal
04/22/2024 03 AM PDT 7.3 867 - Normal
04/22/2024 04 AM PDT 7.3 867 0 Normal
04/22/2024 05 AM PDT 7.3 855 - Normal
04/22/2024 06 AM PDT 7.3 867 + Normal
04/22/2024 07 AM PDT 7.3 867 0 Normal
04/22/2024 08 AM PDT 7.3 861 - Normal
04/22/2024 09 AM PDT 7.3 861 0 Normal
04/22/2024 10 AM PDT 7.3 861 0 Normal
04/22/2024 11 AM PDT 7.3 867 + Normal
04/22/2024 12 PM PDT 7.3 855 - Normal
04/22/2024 01 PM PDT 7.3 861 + Normal
04/22/2024 02 PM PDT 7.3 861 0 Normal
04/22/2024 03 PM PDT 7.3 855 - Normal
04/22/2024 04 PM PDT 7.3 861 + Normal
04/22/2024 05 PM PDT 7.3 861 0 Normal
04/22/2024 06 PM PDT 7.3 861 0 Normal
04/22/2024 07 PM PDT 7.3 861 0 Normal
04/22/2024 08 PM PDT 7.3 855 - Normal
04/22/2024 09 PM PDT 7.3 855 0 Normal
04/22/2024 10 PM PDT 7.2 849 - Normal
04/22/2024 11 PM PDT 7.2 843 - Normal
04/23/2024 12 AM PDT 7.2 836 - Normal
04/23/2024 01 AM PDT 7.2 836 0 Normal
04/23/2024 02 AM PDT 7.2 830 - Normal
04/23/2024 03 AM PDT 7.2 830 0 Normal
04/23/2024 04 AM PDT 7.2 830 0 Normal
04/23/2024 05 AM PDT 7.2 830 0 Normal
04/23/2024 06 AM PDT 7.2 830 0 Normal
04/23/2024 07 AM PDT 7.2 830 0 Normal
04/23/2024 08 AM PDT 7.2 830 0 Normal
04/23/2024 09 AM PDT 7.2 830 0 Normal
04/23/2024 10 AM PDT 7.2 818 - Normal
04/23/2024 11 AM PDT 7.2 812 - Normal
04/23/2024 12 PM PDT 7.2 806 - Normal
04/23/2024 01 PM PDT 7.2 795 - Normal
04/23/2024 02 PM PDT 7.1 784 - Normal
04/23/2024 03 PM PDT 7.1 778 - Normal
04/23/2024 04 PM PDT 7.1 784 + Normal
04/23/2024 05 PM PDT 7.1 784 0 Normal
04/23/2024 06 PM PDT 7.1 784 0 Normal
04/23/2024 07 PM PDT 7.1 778 - Normal
04/23/2024 08 PM PDT 7.1 778 0 Normal
04/23/2024 09 PM PDT 7.1 778 0 Normal
04/23/2024 10 PM PDT 7.1 773 - Normal
04/23/2024 11 PM PDT 7.1 773 0 Normal
04/24/2024 12 AM PDT 7.1 768 - Normal
04/24/2024 01 AM PDT 7.1 768 0 Normal
04/24/2024 02 AM PDT 7.1 762 - Normal
04/24/2024 03 AM PDT 7.1 762 0 Normal
04/24/2024 04 AM PDT 7.1 762 0 Normal
04/24/2024 05 AM PDT 7.1 762 0 Normal
04/24/2024 06 AM PDT 7.1 762 0 Normal
04/24/2024 07 AM PDT 7.1 762 0 Normal
04/24/2024 08 AM PDT 7.1 762 0 Normal
04/24/2024 09 AM PDT 7.1 762 0 Normal
04/24/2024 10 AM PDT 7.1 762 0 Normal
04/24/2024 11 AM PDT 7.1 757 - Normal
04/24/2024 12 PM PDT 7.1 757 0 Normal
04/24/2024 01 PM PDT 7.1 762 + Normal
04/24/2024 02 PM PDT 7.1 768 + Normal
04/24/2024 03 PM PDT 7.1 762 - Normal
04/24/2024 04 PM PDT 7.1 757 - Normal
04/24/2024 05 PM PDT 7.1 762 + Normal
04/24/2024 06 PM PDT 7.1 762 0 Normal
04/24/2024 07 PM PDT 7.1 762 0 Normal
04/24/2024 08 PM PDT 7.1 762 0 Normal
04/24/2024 09 PM PDT 7.1 757 - Normal
04/24/2024 10 PM PDT 7.1 752 - Normal
04/24/2024 11 PM PDT 7.1 752 0 Normal
04/25/2024 12 AM PDT 7.1 747 - Normal
04/25/2024 01 AM PDT 7.1 741 - Normal
04/25/2024 02 AM PDT 7.1 741 0 Normal
04/25/2024 03 AM PDT 7.1 741 0 Normal
04/25/2024 04 AM PDT 7.0 736 - Normal
04/25/2024 05 AM PDT 7.1 741 + Normal
04/25/2024 06 AM PDT 7.1 741 0 Normal
04/25/2024 07 AM PDT 7.0 736 - Normal
04/25/2024 08 AM PDT 7.0 736 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/25/2024 09 AM PDT 7.0 731 Normal
04/25/2024 10 AM PDT 7.0 731 0 Normal
04/25/2024 11 AM PDT 7.0 726 - Normal
04/25/2024 12 PM PDT 7.0 726 0 Normal
04/25/2024 01 PM PDT 7.0 726 0 Normal
04/25/2024 02 PM PDT 7.0 726 0 Normal
04/25/2024 03 PM PDT 7.0 721 - Normal
04/25/2024 04 PM PDT 7.0 721 0 Normal
04/25/2024 05 PM PDT 7.0 721 0 Normal
04/25/2024 06 PM PDT 7.0 715 - Normal
04/25/2024 07 PM PDT 7.0 715 0 Normal
04/25/2024 08 PM PDT 7.0 715 0 Normal
04/25/2024 09 PM PDT 7.0 715 0 Normal
04/25/2024 10 PM PDT 7.0 715 0 Normal
04/25/2024 11 PM PDT 7.0 715 0 Normal
04/26/2024 12 AM PDT 7.0 715 0 Normal
04/26/2024 01 AM PDT 7.0 715 0 Normal
04/26/2024 02 AM PDT 7.0 715 0 Normal
04/26/2024 03 AM PDT 7.0 715 0 Normal
04/26/2024 04 AM PDT 7.0 715 0 Normal
04/26/2024 05 AM PDT 7.0 715 0 Normal
04/26/2024 06 AM PDT 7.0 715 0 Normal
04/26/2024 07 AM PDT 7.0 715 0 Normal
04/26/2024 08 AM PDT 7.0 715 0 Normal
04/26/2024 09 AM PDT 7.0 715 0 Normal
04/26/2024 10 AM PDT 7.0 715 0 Normal
04/26/2024 11 AM PDT 7.0 715 0 Normal
04/26/2024 12 PM PDT 7.0 715 0 Normal
04/26/2024 01 PM PDT 7.0 715 0 Normal
04/26/2024 02 PM PDT 7.0 726 + Normal
04/26/2024 03 PM PDT 7.1 747 + Normal
04/26/2024 04 PM PDT 7.2 806 + Normal
04/26/2024 05 PM PDT 7.4 924 + Normal
04/26/2024 06 PM PDT 7.6 1098 + Normal
04/26/2024 07 PM PDT 7.9 1295 + Normal
04/26/2024 08 PM PDT 8.0 1444 + Normal
04/26/2024 09 PM PDT 8.1 1535 + Normal
04/26/2024 10 PM PDT 8.2 1563 + Normal
04/26/2024 11 PM PDT 8.2 1553 - Normal
04/27/2024 12 AM PDT 8.1 1517 - Normal
04/27/2024 01 AM PDT 8.1 1480 - Normal
04/27/2024 02 AM PDT 8.0 1435 - Normal
04/27/2024 03 AM PDT 8.0 1382 - Normal
04/27/2024 04 AM PDT 7.9 1321 - Normal
04/27/2024 05 AM PDT 7.8 1254 - Normal
04/27/2024 06 AM PDT 7.7 1190 - Normal
04/27/2024 07 AM PDT 7.7 1136 - Normal
04/27/2024 08 AM PDT 7.6 1105 - Normal
04/27/2024 09 AM PDT 7.6 1076 - Normal
04/27/2024 10 AM PDT 7.6 1054 - Normal
04/27/2024 11 AM PDT 7.5 1033 - Normal
04/27/2024 12 PM PDT 7.5 1019 - Normal
04/27/2024 01 PM PDT 7.5 1005 - Normal
04/27/2024 02 PM PDT 7.5 998 - Normal
04/27/2024 03 PM PDT 7.5 985 - Normal
04/27/2024 04 PM PDT 7.5 978 - Normal
04/27/2024 05 PM PDT 7.4 971 - Normal
04/27/2024 06 PM PDT 7.4 957 - Normal
04/27/2024 07 PM PDT 7.4 950 - Normal
04/27/2024 08 PM PDT 7.4 944 - Normal
04/27/2024 09 PM PDT 7.4 937 - Normal
04/27/2024 10 PM PDT 7.4 930 - Normal
04/27/2024 11 PM PDT 7.4 924 - Normal
04/28/2024 12 AM PDT 7.4 917 - Normal
04/28/2024 01 AM PDT 7.3 911 - Normal
04/28/2024 02 AM PDT 7.3 905 - Normal
04/28/2024 03 AM PDT 7.3 898 - Normal
04/28/2024 04 AM PDT 7.3 892 - Normal
04/28/2024 05 AM PDT 7.3 886 - Normal
04/28/2024 06 AM PDT 7.3 880 - Normal
04/28/2024 07 AM PDT 7.3 880 0 Normal
04/28/2024 08 AM PDT 7.3 873 - Normal
04/28/2024 09 AM PDT 7.3 867 - Normal
04/28/2024 10 AM PDT 7.3 867 0 Normal
04/28/2024 11 AM PDT 7.3 867 0 Normal
04/28/2024 12 PM PDT 7.3 861 - Normal
04/28/2024 01 PM PDT 7.3 855 - Normal
04/28/2024 02 PM PDT 7.3 855 0 Normal
04/28/2024 03 PM PDT 7.2 849 - Normal
04/28/2024 04 PM PDT 7.2 849 0 Normal
04/28/2024 05 PM PDT 7.2 843 - Normal
04/28/2024 06 PM PDT 7.2 843 0 Normal
04/28/2024 07 PM PDT 7.2 836 - Normal
04/28/2024 08 PM PDT 7.2 836 0 Normal
04/28/2024 09 PM PDT 7.2 830 - Normal
04/28/2024 10 PM PDT 7.2 830 0 Normal
04/28/2024 11 PM PDT 7.2 824 - Normal
04/29/2024 12 AM PDT 7.2 824 0 Normal
04/29/2024 01 AM PDT 7.2 818 - Normal
04/29/2024 02 AM PDT 7.2 818 0 Normal
04/29/2024 03 AM PDT 7.2 812 - Normal
04/29/2024 04 AM PDT 7.2 812 0 Normal
04/29/2024 05 AM PDT 7.2 806 - Normal
04/29/2024 06 AM PDT 7.2 806 0 Normal
04/29/2024 07 AM PDT 7.2 800 - Normal
04/29/2024 08 AM PDT 7.2 800 0 Normal
04/29/2024 09 AM PDT 7.2 800 0 Normal
04/29/2024 10 AM PDT 7.2 795 - Normal
04/29/2024 11 AM PDT 7.2 795 0 Normal
04/29/2024 12 PM PDT 7.2 789 - Normal
04/29/2024 01 PM PDT 7.1 784 - Normal
04/29/2024 02 PM PDT 7.1 784 0 Normal
04/29/2024 03 PM PDT 7.1 784 0 Normal
04/29/2024 04 PM PDT 7.1 778 - Normal
04/29/2024 05 PM PDT 7.1 778 0 Normal
04/29/2024 06 PM PDT 7.1 773 - Normal
04/29/2024 07 PM PDT 7.1 773 0 Normal
04/29/2024 08 PM PDT 7.1 768 - Normal
04/29/2024 09 PM PDT 7.1 768 0 Normal
04/29/2024 10 PM PDT 7.1 762 - Normal
04/29/2024 11 PM PDT 7.1 762 0 Normal
04/30/2024 12 AM PDT 7.1 757 - Normal
04/30/2024 01 AM PDT 7.1 757 0 Normal
04/30/2024 02 AM PDT 7.1 757 0 Normal
04/30/2024 03 AM PDT 7.1 752 - Normal
04/30/2024 04 AM PDT 7.1 752 0 Normal
04/30/2024 05 AM PDT 7.1 747 - Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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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