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Provisional Mean Flows for November 2008 Choose another month
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Long-term
monthly flows for period of record (cfs) |
| Station No. |
Station |
Drainage area
(sq. mi.) |
Years of record |
Monthly
mean flow (cfs) |
Mean flow* |
Median (50% exceedence) flow |
90% exceedence flow |
10% exceedence flow |
|
5437500
|
Rock River at Rockton [graph]
|
6,363
|
73
|
4,490
|
3,516
|
3,199
|
1,366
|
6,216
|
|
5446500
|
Rock River near Joslin [graph]
|
9,549
|
65
|
6,050
|
5,145
|
4,712
|
1,887
|
9,241
|
|
5435500
|
Pecatonica River at Freeport [graph]
|
1,326
|
89
|
920
|
744
|
614
|
321
|
1,275
|
|
5447500
|
Green River near Geneseo [graph]
|
1,003
|
69
|
742
|
441
|
327
|
81
|
1,195
|
|
5466500
|
Edwards River near New Boston [graph]
|
445
|
70
|
166
|
165
|
82
|
18
|
417
|
|
5520500
|
Kankakee River at Momence [graph]
|
2,294
|
90
|
2,203
|
1,563
|
1,202
|
673
|
2,774
|
|
5526000
|
Iroquois River near Chebanse [graph]
|
2,091
|
84
|
581
|
1,000
|
458
|
85
|
2,598
|
|
5552500
|
Fox River at Dayton [graph]
|
2,642
|
88
|
2,148
|
1,478
|
1,311
|
505
|
2,977
|
|
5554500
|
Vermilion River at Pontiac [graph]
|
579
|
64
|
200
|
241
|
58
|
6
|
764
|
|
5570000
|
Spoon River at Seville [graph]
|
1,636
|
91
|
510
|
603
|
301
|
61
|
1,585
|
|
5585000
|
LaMoine River at Ripley [graph]
|
1,293
|
84
|
352
|
515
|
193
|
28
|
1,280
|
|
5495500
|
Bear Creek near Marcelline [graph]
|
349
|
63
|
20
|
156
|
26
|
1
|
356
|
|
5567500
|
Mackinaw River near Congerville [graph]
|
767
|
59
|
419
|
274
|
63
|
10
|
789
|
|
5582000
|
Salt Creek near Greenview [graph]
|
1,804
|
66
|
780
|
793
|
277
|
113
|
2,405
|
|
5572000
|
Sangamon River at Monticello [graph]
|
550
|
95
|
197
|
246
|
85
|
9
|
771
|
|
5576000
|
So. Fork Sangamon near Rochester [graph]
|
867
|
58
|
169
|
276
|
84
|
5
|
807
|
|
5586100
|
Illinois River at Valley City [graph]
|
26,743
|
69
|
15,930
|
14,400
|
11,505
|
5,846
|
26,577
|
|
5587000
|
Macoupin Creek near Kane [graph]
|
868
|
79
|
124
|
313
|
95
|
8
|
847
|
|
3339000
|
Vermilion River near Danville [graph]
|
1,290
|
86
|
240
|
616
|
277
|
52
|
1,355
|
|
5592500
|
Kaskaskia River at Vandalia [graph]
|
1,940
|
38
|
979
|
976
|
708
|
65
|
2,239
|
|
5594000
|
Shoal Creek near Breese [graph]
|
735
|
64
|
74
|
305
|
139
|
15
|
865
|
|
3345500
|
Embarras River at Ste. Marie [graph]
|
1,516
|
94
|
273
|
753
|
332
|
28
|
1,817
|
|
3380500
|
Skillet Fork at Wayne City [graph]
|
464
|
88
|
574
|
269
|
74
|
2
|
771
|
|
3379500
|
Little Wabash below Clay City [graph]
|
1,131
|
93
|
314
|
595
|
217
|
12
|
1,630
|
|
5597000
|
Big Muddy at Plumfield [graph]
|
794
|
37
|
76
|
422
|
116
|
34
|
1,063
|
|
3612000
|
Cache River at Forman [graph]
|
244
|
84
|
33
|
198
|
89
|
3
|
571
|
Choose another month
Station Numbers are linked to the U.S. Geological Survey, providing more information about each station.
Notes:
Much below normal flow = 90-100% chance of exceedence.
Below normal flow = 70-90% chance of exceedence.
Normal flow = 30-70% chance of exceedence.
Above normal flow = 10-30% chance of exceedence.
Much above normal flow = 0-10% chance of exceedence.
* As reported in U.S. Geological Survey (USGS) Water Resources Data, Illinois, Water Year 2007.
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