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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 07020500 Mississippi River at Chester, IL


Randolph County, Illinois
Hydrologic Unit Code 07140105
Latitude  37°54'02.67", Longitude  89°49'48.76" NAD83
Drainage area 708,600  square miles
Gage datum 340.72 feet above NAVD88
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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 1941-10-01 -> 2021-09-30)

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
1 158,000 149,000 213,000 316,000 363,000 319,000 307,000 209,000 159,000 166,000 154,000 160,000
2 159,000 152,000 212,000 316,000 365,000 317,000 309,000 206,000 159,000 163,000 159,000 158,000
3 156,000 152,000 212,000 318,000 364,000 318,000 310,000 202,000 160,000 161,000 165,000 159,000
4 154,000 152,000 214,000 322,000 363,000 318,000 309,000 197,000 157,000 161,000 171,000 161,000
5 154,000 152,000 217,000 324,000 360,000 317,000 307,000 192,000 155,000 161,000 175,000 160,000
6 153,000 152,000 221,000 326,000 355,000 316,000 303,000 190,000 154,000 162,000 177,000 160,000
7 151,000 153,000 224,000 327,000 352,000 315,000 298,000 189,000 152,000 164,000 174,000 158,000
8 149,000 152,000 226,000 328,000 350,000 315,000 292,000 186,000 150,000 165,000 169,000 156,000
9 145,000 150,000 226,000 327,000 350,000 314,000 286,000 184,000 147,000 166,000 164,000 154,000
10 143,000 150,000 228,000 325,000 349,000 311,000 282,000 183,000 147,000 166,000 160,000 152,000
11 142,000 152,000 231,000 325,000 349,000 311,000 278,000 180,000 148,000 165,000 158,000 149,000
12 142,000 154,000 236,000 327,000 347,000 313,000 273,000 176,000 150,000 165,000 157,000 148,000
13 141,000 154,000 242,000 331,000 345,000 313,000 268,000 173,000 151,000 167,000 157,000 145,000
14 142,000 154,000 246,000 336,000 343,000 312,000 262,000 169,000 152,000 168,000 157,000 143,000
15 141,000 156,000 250,000 341,000 341,000 313,000 258,000 166,000 156,000 168,000 158,000 142,000
16 140,000 157,000 255,000 342,000 340,000 316,000 256,000 165,000 159,000 168,000 159,000 142,000
17 138,000 158,000 262,000 343,000 342,000 318,000 254,000 166,000 162,000 168,000 159,000 142,000
18 138,000 160,000 268,000 342,000 345,000 317,000 250,000 165,000 166,000 167,000 160,000 142,000
19 138,000 163,000 275,000 340,000 347,000 316,000 244,000 163,000 166,000 165,000 163,000 140,000
20 139,000 166,000 281,000 340,000 347,000 315,000 239,000 161,000 164,000 163,000 165,000 138,000
21 139,000 171,000 285,000 340,000 344,000 312,000 237,000 160,000 163,000 162,000 165,000 138,000
22 138,000 181,000 288,000 342,000 340,000 309,000 235,000 158,000 162,000 162,000 165,000 139,000
23 137,000 193,000 289,000 346,000 337,000 309,000 234,000 156,000 162,000 161,000 165,000 139,000
24 139,000 200,000 288,000 348,000 332,000 311,000 234,000 153,000 162,000 160,000 164,000 139,000
25 142,000 203,000 287,000 350,000 326,000 313,000 234,000 152,000 163,000 158,000 163,000 139,000
26 143,000 206,000 288,000 352,000 323,000 314,000 231,000 151,000 165,000 157,000 161,000 138,000
27 141,000 208,000 290,000 351,000 321,000 314,000 225,000 151,000 167,000 157,000 160,000 138,000
28 141,000 210,000 295,000 351,000 321,000 313,000 221,000 151,000 168,000 156,000 161,000 142,000
29 141,000 178,000 299,000 354,000 321,000 309,000 218,000 154,000 168,000 155,000 162,000 147,000
30 141,000   305,000 359,000 321,000 305,000 215,000 157,000 168,000 154,000 161,000 152,000
31 144,000   312,000   321,000   212,000 159,000   154,000   156,000