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USGS Daily Statistics for Oregon

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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 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 56 - 58 years of record in, ft3/s   (Calculation Period 1961-10-01 -> 2019-09-30)

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 2,770 2,650 2,210 2,220 1,120 680 177 55 45 83 407 2,310
2 2,340 2,470 2,480 1,990 1,120 629 174 53 43 77 423 3,080
3 2,370 2,710 2,430 1,900 1,190 612 161 51 42 77 415 2,370
4 2,330 2,310 2,240 1,750 1,160 676 152 50 41 73 453 2,200
5 2,080 2,150 2,230 1,720 1,290 592 143 49 41 75 673 2,350
6 2,440 2,370 2,300 1,780 1,280 546 137 49 42 75 898 2,470
7 2,030 2,490 2,170 1,810 1,230 538 130 49 41 85 646 2,450
8 2,470 2,390 2,200 1,850 1,140 500 126 48 41 91 953 2,640
9 2,560 2,540 2,560 1,790 1,080 464 123 48 50 195 871 2,400
10 2,930 2,260 2,550 1,790 1,030 447 119 47 80 228 1,060 2,410
11 2,900 2,100 2,350 1,740 988 426 114 45 64 219 1,060 2,190
12 2,880 2,230 2,450 1,750 940 397 109 44 52 231 1,270 2,410
13 3,250 2,580 2,640 1,830 892 380 105 44 47 212 1,130 2,960
14 3,270 2,660 2,840 1,810 862 364 100 43 45 241 1,150 3,220
15 3,290 2,430 2,640 1,670 856 349 95 43 44 223 1,220 3,170
16 3,610 2,850 2,880 1,610 857 330 91 46 45 333 1,270 2,660
17 3,930 2,800 2,560 1,660 839 313 89 44 45 269 1,260 2,580
18 3,490 2,930 2,590 1,680 887 306 87 43 48 243 1,310 2,190
19 3,630 2,960 2,190 1,630 861 297 86 43 51 289 1,300 2,430
20 3,670 2,600 2,130 1,620 806 284 83 44 52 224 1,600 2,650
21 3,400 2,660 2,210 1,540 793 266 79 42 50 192 1,830 3,360
22 3,390 2,580 2,360 1,450 787 251 75 41 49 184 2,240 3,650
23 2,910 2,700 2,430 1,460 744 239 73 40 50 268 2,340 2,990
24 2,910 2,190 2,420 1,590 724 226 70 40 52 285 2,610 2,530
25 2,750 2,080 2,450 1,430 693 218 68 42 64 397 1,960 2,350
26 3,070 2,220 2,330 1,330 665 215 65 44 91 378 1,970 2,420
27 3,010 2,340 2,200 1,330 666 204 63 44 76 371 1,760 2,570
28 2,590 2,610 2,240 1,330 666 197 61 42 88 368 1,780 3,170
29 2,280 2,820 2,440 1,220 630 191 59 41 104 428 1,760 3,020
30 2,230   2,930 1,150 620 181 57 45 137 471 1,970 3,050
31 2,320   2,370   692   56 48   465   2,870