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USGS Surface-Water Daily Statistics for Illinois

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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 03612600 OHIO RIVER AT OLMSTED, IL


Pulaski County, Illinois
Hydrologic Unit Code 05140206
Latitude  37°10'45", Longitude  89°03'30" NAD27
Drainage area 203,000  square miles
Gage datum 278.44 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 2012-10-01 -> 2022-09-30)

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
1 533,000 434,000 731,000 509,000 521,000 284,000 323,000 174,000 144,000 140,000 213,000 272,000
2 543,000 420,000 739,000 516,000 503,000 286,000 318,000 174,000 141,000 148,000 230,000 290,000
3 546,000 409,000 748,000 518,000 481,000 283,000 314,000 173,000 162,000 150,000 247,000 316,000
4 567,000 403,000 763,000 528,000 468,000 275,000 316,000 167,000 176,000 143,000 244,000 331,000
5 580,000 407,000 777,000 544,000 467,000 266,000 307,000 159,000 169,000 146,000 232,000 338,000
6 589,000 427,000 790,000 557,000 461,000 256,000 302,000 151,000 161,000 137,000 228,000 345,000
7 603,000 451,000 769,000 560,000 462,000 242,000 313,000 142,000 148,000 143,000 228,000 349,000
8 605,000 487,000 746,000 545,000 463,000 236,000 315,000 137,000 133,000 156,000 232,000 351,000
9 598,000 519,000 707,000 517,000 463,000 241,000 307,000 133,000 131,000 163,000 238,000 361,000
10 583,000 549,000 711,000 504,000 456,000 240,000 311,000 132,000 136,000 165,000 240,000 361,000
11 562,000 571,000 701,000 499,000 460,000 235,000 312,000 145,000 144,000 153,000 246,000 361,000
12 532,000 592,000 691,000 501,000 456,000 230,000 299,000 141,000 147,000 152,000 248,000 355,000
13 510,000 593,000 683,000 515,000 445,000 224,000 286,000 140,000 146,000 145,000 248,000 346,000
14 492,000 573,000 679,000 543,000 429,000 221,000 278,000 148,000 150,000 138,000 242,000 344,000
15 485,000 556,000 669,000 547,000 418,000 220,000 275,000 154,000 154,000 144,000 234,000 342,000
16 489,000 543,000 655,000 549,000 406,000 216,000 275,000 155,000 155,000 150,000 228,000 333,000
17 493,000 542,000 637,000 546,000 388,000 216,000 275,000 152,000 154,000 147,000 222,000 330,000
18 494,000 554,000 617,000 536,000 381,000 229,000 261,000 160,000 154,000 150,000 219,000 337,000
19 486,000 573,000 608,000 521,000 374,000 234,000 260,000 165,000 148,000 154,000 224,000 340,000
20 476,000 602,000 598,000 510,000 366,000 233,000 255,000 160,000 134,000 155,000 237,000 354,000
21 473,000 625,000 587,000 501,000 348,000 237,000 240,000 159,000 135,000 155,000 241,000 370,000
22 463,000 645,000 571,000 495,000 336,000 242,000 237,000 169,000 134,000 149,000 247,000 394,000
23 452,000 679,000 561,000 489,000 332,000 257,000 238,000 168,000 152,000 141,000 243,000 414,000
24 444,000 717,000 552,000 490,000 323,000 276,000 228,000 169,000 148,000 140,000 248,000 440,000
25 442,000 744,000 547,000 490,000 314,000 284,000 228,000 164,000 146,000 142,000 248,000 455,000
26 447,000 771,000 535,000 489,000 305,000 291,000 214,000 164,000 154,000 148,000 241,000 464,000
27 444,000 776,000 508,000 495,000 297,000 296,000 201,000 154,000 158,000 152,000 243,000 479,000
28 444,000 772,000 490,000 497,000 301,000 314,000 199,000 148,000 147,000 158,000 242,000 489,000
29 444,000 792,000 494,000 518,000 298,000 325,000 189,000 135,000 142,000 180,000 246,000 503,000
30 443,000   509,000 535,000 294,000 334,000 177,000 132,000 137,000 192,000 254,000 515,000
31 438,000   515,000   287,000   171,000 139,000   199,000   525,000