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USGS Daily Statistics for Missouri

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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 05587450 Mississippi River at Grafton, IL


Jersey County, Illinois
Hydrologic Unit Code 07110009
Latitude  38°58'04.7", Longitude  90°25'44.4" NAD83
Drainage area 171,300  square miles
Gage datum 403.79 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 1986-10-01 -> 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 97,300 88,500 122,000 166,000 219,000 200,000 198,000 134,000 105,000 90,100 97,700 94,500
2 94,000 88,000 124,000 167,000 218,000 200,000 197,000 129,000 101,000 92,100 98,300 93,200
3 92,900 88,100 125,000 170,000 218,000 200,000 196,000 127,000 97,100 93,900 102,000 94,500
4 95,300 88,700 123,000 172,000 218,000 200,000 194,000 125,000 94,400 96,100 103,000 97,100
5 96,800 89,800 123,000 174,000 219,000 199,000 190,000 121,000 94,200 98,400 102,000 94,500
6 95,000 90,400 129,000 174,000 221,000 197,000 188,000 119,000 91,800 95,200 99,600 93,400
7 91,900 88,900 131,000 174,000 221,000 196,000 185,000 117,000 86,500 95,300 96,800 92,300
8 91,600 89,700 130,000 175,000 221,000 194,000 183,000 113,000 84,000 96,800 95,200 92,300
9 91,800 90,900 133,000 177,000 221,000 191,000 180,000 108,000 83,400 98,300 93,200 88,200
10 89,200 92,900 140,000 182,000 218,000 190,000 179,000 105,000 86,900 98,100 93,500 86,400
11 89,800 91,700 146,000 187,000 216,000 190,000 174,000 104,000 90,600 97,100 95,000 87,500
12 88,700 92,300 150,000 190,000 215,000 191,000 173,000 102,000 90,300 96,900 95,500 86,200
13 87,900 94,800 153,000 191,000 216,000 191,000 169,000 98,000 88,500 98,300 94,600 83,700
14 87,200 97,300 157,000 192,000 216,000 193,000 163,000 95,400 91,300 99,100 94,600 85,100
15 85,100 93,400 160,000 192,000 215,000 194,000 161,000 95,500 93,700 101,000 93,200 84,600
16 86,000 90,600 163,000 192,000 216,000 195,000 160,000 93,500 95,500 100,000 91,500 87,200
17 85,200 92,600 164,000 196,000 217,000 194,000 158,000 93,200 95,200 101,000 91,600 89,600
18 84,100 93,900 167,000 196,000 216,000 196,000 151,000 92,900 93,900 100,000 92,700 90,100
19 80,500 94,200 169,000 199,000 216,000 195,000 147,000 92,700 93,000 100,000 92,500 90,400
20 80,400 95,700 172,000 201,000 215,000 195,000 146,000 91,400 92,800 102,000 91,900 88,300
21 81,800 102,000 170,000 204,000 215,000 196,000 146,000 90,900 92,700 101,000 92,300 90,100
22 82,100 108,000 165,000 206,000 213,000 195,000 146,000 90,800 89,900 99,300 92,500 89,500
23 84,500 114,000 162,000 209,000 208,000 196,000 145,000 91,600 91,300 99,000 90,000 88,500
24 86,000 117,000 163,000 210,000 202,000 200,000 146,000 93,400 89,400 98,800 90,200 90,000
25 88,400 119,000 158,000 209,000 199,000 202,000 146,000 96,200 89,000 98,400 91,400 89,400
26 90,400 121,000 160,000 208,000 201,000 205,000 144,000 96,700 89,300 97,300 91,500 88,800
27 90,400 122,000 162,000 210,000 203,000 206,000 143,000 96,700 89,200 95,600 92,600 89,700
28 90,800 123,000 162,000 213,000 205,000 205,000 143,000 101,000 89,200 95,600 95,200 92,000
29 89,300 110,000 162,000 217,000 206,000 204,000 141,000 104,000 89,000 95,500 94,100 94,000
30 91,100   163,000 219,000 205,000 201,000 139,000 103,000 87,200 96,900 93,600 94,900
31 90,900   166,000   203,000   136,000 104,000   96,800   96,500