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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 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 -> 2023-09-30)

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 2,680 2,660 2,140 2,160 1,120 663 174 54 44 81 392 2,170
2 2,260 2,500 2,380 1,960 1,120 614 170 53 42 75 408 2,870
3 2,350 2,670 2,320 1,870 1,170 596 158 51 41 75 398 2,210
4 2,410 2,260 2,150 1,720 1,140 654 149 49 41 71 466 2,050
5 2,170 2,090 2,130 1,710 1,260 586 142 48 40 74 670 2,190
6 2,470 2,280 2,210 1,760 1,270 542 136 49 42 73 879 2,300
7 2,130 2,380 2,110 1,880 1,240 530 129 48 41 83 645 2,280
8 2,550 2,280 2,130 2,150 1,150 493 124 48 41 88 913 2,480
9 2,620 2,410 2,450 1,930 1,080 457 121 47 49 184 862 2,250
10 2,930 2,150 2,490 1,840 1,020 439 118 47 76 214 1,030 2,290
11 2,880 2,010 2,270 1,780 983 419 113 45 62 205 1,010 2,080
12 2,950 2,140 2,370 1,750 938 395 108 44 51 216 1,200 2,340
13 3,450 2,530 2,700 1,810 903 380 104 44 46 199 1,070 2,940
14 3,370 2,670 2,860 1,780 890 362 99 43 44 225 1,080 3,140
15 3,340 2,470 2,600 1,650 884 347 94 43 44 209 1,150 3,030
16 3,540 2,810 2,790 1,580 873 327 90 45 44 310 1,210 2,580
17 3,830 2,710 2,480 1,630 851 310 88 44 45 252 1,190 2,550
18 3,430 2,810 2,490 1,650 895 302 87 42 48 228 1,260 2,150
19 3,760 2,860 2,130 1,630 867 292 85 42 51 271 1,250 2,360
20 3,840 2,510 2,100 1,620 810 280 82 43 53 213 1,500 2,580
21 3,400 2,550 2,160 1,590 803 262 78 42 50 184 1,710 3,230
22 3,320 2,460 2,280 1,470 803 247 75 41 49 185 2,080 3,480
23 2,840 2,560 2,360 1,470 747 235 72 40 50 262 2,180 2,940
24 2,860 2,150 2,330 1,590 721 223 70 40 52 289 2,430 2,510
25 2,710 2,230 2,350 1,430 688 214 67 41 63 410 1,820 2,350
26 3,070 2,230 2,240 1,330 662 211 65 43 88 394 1,840 2,420
27 2,940 2,320 2,120 1,330 661 201 62 44 74 381 1,650 2,680
28 2,560 2,530 2,180 1,330 658 193 60 42 85 363 1,680 3,110
29 2,250 2,660 2,360 1,230 623 188 58 41 101 410 1,650 2,910
30 2,170   2,810 1,160 612 178 57 44 132 451 1,840 3,020
31 2,320   2,310   679   56 47   448   2,850