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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 14377100 ILLINOIS RIVER NEAR KERBY, OR


Josephine County, Oregon
Hydrologic Unit Code 17100311
Latitude  42°13'55", Longitude 123°39'45" NAD27
Drainage area 380  square miles
Gage datum 1,198.80 feet above NGVD29
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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 1961-10-01 -> 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 2,670 2,690 2,180 2,170 1,120 658 174 54 44 81 387 2,140
2 2,250 2,520 2,410 1,970 1,110 609 170 53 43 75 403 2,840
3 2,340 2,680 2,340 1,880 1,170 594 157 51 42 74 394 2,310
4 2,390 2,270 2,160 1,730 1,160 651 149 49 41 71 461 2,100
5 2,160 2,100 2,240 1,710 1,270 584 142 48 41 73 666 2,210
6 2,450 2,290 2,300 1,760 1,280 540 135 49 42 72 891 2,290
7 2,120 2,380 2,150 1,880 1,240 528 128 48 41 82 661 2,310
8 2,530 2,280 2,150 2,140 1,150 491 124 48 41 87 912 2,500
9 2,620 2,410 2,470 1,920 1,080 456 121 47 49 179 857 2,240
10 2,970 2,140 2,530 1,830 1,030 438 117 47 75 209 1,020 2,270
11 2,900 2,000 2,310 1,780 985 417 112 45 61 201 999 2,070
12 2,950 2,120 2,420 1,750 940 393 108 44 51 214 1,180 2,320
13 3,560 2,510 2,740 1,800 904 378 103 44 46 196 1,060 2,910
14 3,490 2,660 2,870 1,780 891 360 99 43 44 221 1,070 3,100
15 3,370 2,580 2,610 1,650 884 345 94 43 44 205 1,140 2,990
16 3,540 2,900 2,800 1,580 873 326 90 45 44 303 1,190 2,540
17 3,900 2,750 2,490 1,620 850 309 88 44 45 247 1,180 2,520
18 3,480 2,850 2,500 1,640 892 301 87 43 48 224 1,250 2,130
19 3,760 2,880 2,150 1,620 863 291 85 43 51 265 1,250 2,350
20 3,840 2,560 2,120 1,620 807 279 82 44 52 209 1,500 2,580
21 3,450 2,580 2,170 1,580 799 261 78 42 50 181 1,700 3,200
22 3,380 2,480 2,300 1,460 798 246 75 41 49 182 2,060 3,450
23 2,880 2,570 2,390 1,460 744 235 72 40 50 257 2,160 2,910
24 2,890 2,160 2,370 1,580 717 222 70 42 52 286 2,400 2,490
25 2,730 2,230 2,380 1,420 684 214 67 43 63 405 1,800 2,330
26 3,100 2,230 2,250 1,330 659 210 65 44 88 391 1,810 2,400
27 3,020 2,310 2,160 1,330 658 200 62 44 74 378 1,620 2,660
28 2,650 2,520 2,250 1,320 654 193 60 42 85 360 1,650 3,090
29 2,300 2,690 2,410 1,220 619 187 58 41 100 406 1,630 2,890
30 2,190   2,820 1,160 608 178 57 44 129 446 1,820 3,000
31 2,340   2,320   673   56 47   443   2,840