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USGS Surface-Water Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 11468900 MATTOLE R NR ETTERSBURG CA


Humboldt County, California
Hydrologic Unit Code 18010107
Latitude  40°08'22", Longitude 123°59'25" NAD27
Drainage area 70.9  square miles
Gage datum 582.22 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2000-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 1,090 726 663 572 219 90 39 14 7.5 12 103 609
2 954 808 645 503 197 85 37 14 7.4 10 76 597
3 833 792 777 512 190 81 35 14 7.2 13 98 377
4 912 699 683 481 214 129 34 13 7.1 16 126 378
5 872 792 905 528 267 129 33 13 7 18 76 579
6 985 834 1,020 566 197 102 32 13 6.9 13 118 577
7 855 882 771 719 172 88 31 13 6.8 9.7 138 381
8 960 736 616 744 159 84 29 12 6.7 8.8 113 569
9 905 845 571 588 163 79 29 12 6.7 9 119 442
10 1,050 690 768 447 152 72 28 12 6.6 18 102 698
11 931 584 610 388 138 67 27 11 6.6 16 84 552
12 814 487 653 433 134 64 26 11 6.6 12 82 489
13 1,190 505 1,120 471 124 60 25 11 6.5 13 126 736
14 952 684 1,020 430 122 58 24 10 6.7 29 117 1,110
15 683 713 833 377 121 55 23 10 6.6 33 91 1,050
16 640 842 964 383 150 54 23 9.9 7.2 24 136 874
17 827 849 733 336 169 78 22 9.6 7.9 22 105 805
18 825 678 635 350 260 185 22 9.7 9.5 27 88 789
19 1,090 643 576 327 217 141 21 9.4 13 76 120 1,020
20 1,260 739 576 329 173 93 20 9.1 9.4 37 347 1,060
21 1,210 781 621 357 171 74 20 9.1 9.3 30 296 1,270
22 941 661 689 304 161 65 19 9.1 8.1 43 345 1,290
23 759 640 668 254 146 60 18 9.2 7.6 54 299 923
24 685 635 760 251 148 55 18 11 9.8 182 225 769
25 714 960 675 250 124 54 17 9.6 14 95 193 712
26 767 827 629 251 121 56 17 8.8 11 81 240 840
27 621 896 674 299 116 58 16 8.4 8.8 81 308 991
28 665 701 739 285 106 49 16 8.2 8.4 64 243 1,380
29 688 541 877 351 96 45 15 8.4 14 54 347 1,290
30 596   1,000 277 91 42 15 8.1 31 72 301 1,320
31 711   704   95   14 7.7   88   1,080