DISCHARGE: January 1928 to current year. Prior to April 1928 monthly discharge only, published in WSP 1305. |
STAGE: Gage-height records collected 9.6 mi upstream at Paducah since 1890 are contained in reports of National Weather Service. |
PARTIAL RECORD: Occasional discharge measurements 1881 to 1924 in reports of Mississippi River Commission. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 67200 | 54800 | 167000 | 67100 | 71500 | 593000 | 171000 | 340000 | 234000 | 162000 | 140000 | 131000 |
2 | 52700 | 72400 | 157000 | 67000 | 71000 | 498000 | 169000 | 321000 | 255000 | 174000 | 140000 | 109000 |
3 | 55000 | 88300 | 121000 | 151000 | 81700 | 397000 | 193000 | 245000 | 249000 | 132000 | 144000 | 84300 |
4 | 66300 | 110000 | 106000 | 268000 | 78400 | 328000 | 236000 | 198000 | 211000 | e120000 | 166000 | 74700 |
5 | 49500 | 138000 | 95200 | 297000 | 73400 | 279000 | 359000 | 186000 | 174000 | e110000 | 135000 | 80800 |
6 | 50600 | 140000 | 90500 | 345000 | 78900 | 263000 | 430000 | 188000 | 111000 | e130000 | 118000 | 83500 |
7 | 56600 | 140000 | 87000 | 347000 | 77400 | 250000 | 469000 | 157000 | e80000 | 154000 | 153000 | 68300 |
8 | 58700 | 140000 | 80900 | 316000 | 76100 | 221000 | 512000 | 142000 | 107000 | 170000 | 192000 | 66500 |
9 | 63900 | 115000 | 103000 | 274000 | 72100 | 188000 | 543000 | 166000 | 104000 | 174000 | 187000 | 66100 |
10 | 81700 | 92800 | 117000 | 254000 | 74400 | 134000 | 559000 | 167000 | 123000 | 174000 | 219000 | 58800 |
11 | 84100 | 74900 | 116000 | 234000 | 78400 | 100000 | 582000 | 132000 | 124000 | 154000 | 257000 | 82700 |
12 | 76800 | 66200 | 112000 | 225000 | 84300 | 95500 | 592000 | 111000 | 120000 | 99400 | 246000 | 132000 |
13 | 89300 | 66400 | 143000 | 204000 | 107000 | 133000 | 537000 | 132000 | 75300 | 161000 | 218000 | 140000 |
14 | 91000 | 69300 | 186000 | 177000 | 164000 | 168000 | 524000 | 98900 | 74000 | 186000 | 194000 | 117000 |
15 | 76000 | 61700 | 210000 | 148000 | 240000 | 164000 | 507000 | 129000 | 102000 | 194000 | 163000 | 115000 |
16 | 65900 | 64000 | 233000 | 159000 | 330000 | 193000 | 488000 | 121000 | 102000 | 160000 | 99300 | 118000 |
17 | 68300 | 76000 | 249000 | 160000 | 389000 | 241000 | 466000 | 94600 | 116000 | 147000 | 126000 | 110000 |
18 | 71000 | 58900 | 257000 | 145000 | 456000 | 244000 | 423000 | 101000 | 194000 | 166000 | 118000 | 99500 |
19 | 63400 | 57900 | 250000 | 127000 | 511000 | 237000 | 372000 | 80600 | 230000 | 158000 | 126000 | 74600 |
20 | 75000 | 60100 | 263000 | 128000 | 545000 | 282000 | 311000 | 93800 | 246000 | 130000 | 122000 | 78100 |
21 | 70200 | 56700 | 234000 | 128000 | 578000 | 370000 | 273000 | 116000 | 252000 | 105000 | 120000 | 73200 |
22 | 55000 | 58400 | 193000 | 118000 | 608000 | 418000 | 278000 | 119000 | 252000 | 136000 | 138000 | 74900 |
23 | 48500 | 59700 | 153000 | 97100 | 636000 | 451000 | 305000 | 138000 | 228000 | 130000 | 135000 | 74700 |
24 | 48500 | 60700 | 115000 | 86500 | 666000 | 464000 | 350000 | 163000 | 224000 | 92400 | 138000 | 74800 |
25 | 72900 | 58700 | 111000 | 106000 | 688000 | 457000 | 379000 | 193000 | 222000 | e60000 | 126000 | 83000 |
26 | 74800 | 58000 | 92200 | 119000 | 705000 | 440000 | 358000 | 206000 | 274000 | e55000 | 144000 | 126000 |
27 | 56300 | 80700 | 75700 | 134000 | 729000 | 422000 | 343000 | 246000 | 278000 | e50000 | 130000 | 161000 |
28 | 49600 | 130000 | 80500 | 122000 | 704000 | 392000 | 345000 | 289000 | 162000 | e60000 | 137000 | 188000 |
29 | 70300 | 158000 | 74300 | 97200 | 653000 | 309000 | 331000 | 290000 | 98600 | 107000 | 151000 | 204000 |
30 | 78500 | 165000 | 64900 | 83000 | --- | 234000 | 324000 | 283000 | 105000 | 95100 | 136000 | 200000 |
31 | 68300 | --- | 68200 | 64100 | --- | 181000 | --- | 242000 | --- | 113000 | 136000 | --- |
TOTAL | 2055900 | 2632600 | 4405400 | 5248000 | 9626600 | 9146500 | 11729000 | 5488900 | 5126900 | 4058900 | 4754300 | 3149500 |
MEAN | 66320 | 87750 | 142100 | 169300 | 332000 | 295000 | 391000 | 177100 | 170900 | 130900 | 153400 | 105000 |
MAX | 91000 | 165000 | 263000 | 347000 | 729000 | 593000 | 592000 | 340000 | 278000 | 194000 | 257000 | 204000 |
MIN | 48500 | 54800 | 64900 | 64100 | 71000 | 95500 | 169000 | 80600 | 74000 | 50000 | 99300 | 58800 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1928 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 102700 | 164100 | 287800 | 397800 | 469200 | 525400 | 457400 | 337000 | 220500 | 154200 | 121900 | 99310 |
MAX | 335600 | 450300 | 717500 | 1022000 | 1217000 | 1039000 | 896400 | 917800 | 596400 | 441200 | 331100 | 383500 |
(WY) | 1980 | 1986 | 1973 | 1937 | 1937 | 1997 | 1994 | 1983 | 1997 | 1928 | 1958 | 1979 |
MIN | 22710 | 33400 | 48610 | 71650 | 77380 | 154700 | 129900 | 75180 | 53840 | 23350 | 25390 | 29330 |
(WY) | 1931 | 1931 | 1931 | 1940 | 1934 | 1941 | 1986 | 1941 | 1936 | 1930 | 1930 | 1930 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1928 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 81087000 | 67422500 | ||||
ANNUAL MEAN | 222200 | 184200 | 276400 | |||
HIGHEST ANNUAL MEAN | 436600 | 1979 | ||||
LOWEST ANNUAL MEAN | 120300 | 1931 | ||||
HIGHEST DAILY MEAN | 961000 | Feb 1 | 729000 | Feb 27 | 1850000 | Feb 1 1937 |
LOWEST DAILY MEAN | 30500 | Sep 26 | 48500 | Oct 23 | 15000 | Jul 20 1930 |
ANNUAL SEVEN-DAY MINIMUM | 34900 | Sep 20 | 55600 | Oct 2 | 16600 | Jul 20 1930 |
INSTANTANEOUS PEAK FLOW | 732000 | Feb 27 | 1850000 | Feb 1 1937 | ||
INSTANTANEOUS PEAK STAGE | 43.26 | Feb 27 | 66.60 | Feb 2 1937 | ||
10 PERCENT EXCEEDS | 567000 | 382000 | 637000 | |||
50 PERCENT EXCEEDS | 128000 | 136000 | 190000 | |||
90 PERCENT EXCEEDS | 54800 | 66400 | 68000 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |