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USGS 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 1,110 728 656 572 219 90 39 14 7.5 12 105 594
2 983 827 637 503 197 85 37 14 7.4 10 78 581
3 955 947 761 512 190 81 35 14 7.2 13 96 369
4 972 801 669 481 214 129 34 13 7.1 16 122 369
5 901 833 881 528 267 129 33 13 7 18 73 561
6 991 855 986 566 197 102 32 13 6.9 13 114 560
7 854 897 750 719 172 88 31 13 6.8 9.7 133 371
8 948 748 601 744 159 84 29 12 6.7 8.8 109 551
9 891 844 557 588 163 79 29 12 6.7 9 114 429
10 1,020 690 744 447 152 72 28 12 6.6 18 98 674
11 909 584 593 388 138 67 27 11 6.6 16 86 534
12 796 488 641 433 134 64 26 11 6.6 12 82 488
13 1,150 561 1,100 471 124 60 25 11 6.5 13 128 742
14 924 763 1,010 430 122 58 24 10 6.7 29 118 1,180
15 666 747 834 377 121 55 23 10 6.6 33 91 1,070
16 624 868 1,040 383 150 54 23 9.9 7.2 24 133 903
17 802 878 808 336 169 78 22 9.6 7.9 22 103 834
18 799 701 674 350 260 185 22 9.7 9.5 27 87 798
19 1,050 667 602 327 217 141 21 9.4 13 76 118 1,010
20 1,220 754 596 329 173 93 20 9.1 9.4 37 372 1,050
21 1,170 786 633 357 171 74 20 9.1 9.3 30 436 1,250
22 908 664 697 304 161 65 19 9.1 8.1 43 506 1,260
23 734 645 673 254 146 60 18 9.2 7.6 54 363 923
24 663 647 756 251 148 55 18 11 9.8 182 254 903
25 691 960 675 250 124 54 17 9.6 14 95 213 759
26 741 826 629 251 121 56 17 8.8 11 81 256 909
27 601 887 674 299 116 58 16 8.4 8.8 81 316 1,170
28 643 696 739 285 106 49 16 8.2 8.4 62 250 1,480
29 664 541 877 351 96 45 15 8.4 14 53 347 1,510
30 576   1,000 277 91 42 15 8.1 31 70 301 1,370
31 701   704   95   14 7.7   86   1,100