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USGS Daily Statistics for California

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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 11335000 COSUMNES R A MICHIGAN BAR CA


Sacramento County, California
Hydrologic Unit Code 18040013
Latitude  38°30'01", Longitude 121°02'39" NAD27
Drainage area 536  square miles
Gage datum 170.68 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 1907-10-01 -> 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 1,000 1,010 1,030 1,250 885 426 110 30 15 17 54 217
2 1,080 940 1,140 1,200 870 408 105 29 15 18 47 237
3 657 995 1,200 1,380 835 390 102 28 16 20 46 280
4 581 997 1,190 1,380 837 375 97 27 16 20 48 346
5 711 975 1,240 1,320 830 365 92 26 15 19 46 268
6 671 1,120 1,190 1,320 820 358 87 25 15 20 47 254
7 553 1,130 1,270 1,280 785 355 83 24 16 21 50 263
8 573 1,190 1,180 1,250 768 338 78 24 16 22 51 283
9 762 1,280 1,130 1,120 769 322 76 23 15 21 68 282
10 795 1,360 1,260 1,120 763 306 76 23 15 21 95 295
11 800 1,240 1,260 1,160 737 295 68 22 15 23 92 352
12 865 1,120 1,230 1,110 728 281 65 22 15 27 89 342
13 828 1,120 1,320 1,100 722 268 62 22 15 41 94 345
14 1,280 1,260 1,320 1,070 704 254 59 22 16 72 102 311
15 1,040 1,180 1,230 1,020 693 244 57 21 16 31 86 249
16 1,000 1,280 1,320 1,040 714 241 54 21 15 29 81 278
17 968 1,300 1,230 1,020 691 229 52 21 15 34 153 241
18 979 1,270 1,110 1,010 677 217 50 20 15 31 232 246
19 868 1,370 1,120 973 678 203 48 20 16 30 265 282
20 893 1,300 1,200 966 647 190 46 20 16 29 269 361
21 1,180 1,480 1,230 958 628 179 44 20 16 29 283 454
22 1,240 1,330 1,300 954 620 170 42 19 15 28 173 703
23 1,080 1,170 1,300 929 588 160 41 19 15 28 142 982
24 1,140 1,030 1,350 928 570 153 39 18 16 36 179 743
25 1,200 1,050 1,490 940 550 145 38 18 16 111 167 618
26 1,150 985 1,340 928 542 137 37 17 18 57 141 606
27 1,110 1,070 1,260 908 520 133 35 17 18 47 141 619
28 893 1,020 1,210 934 503 126 34 16 17 42 132 637
29 858 1,220 1,150 919 484 121 33 16 17 43 157 617
30 986   1,240 901 455 117 32 16 16 49 192 640
31 953   1,290   436   31 15   60   1,250