LOCATION.--Lat 37°41'31", long 88°08'00" (NAD of 1983), in SE1/4NW1/4 sec.32, T.9 S., R. 10 E., Union County, Kentucky, Hydrologic Unit 05140203, on main bridge pier on downstream side of State Highway 13, 9.5 miles upstream from Saline River, and at mile 858.2. |
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DRAINAGE AREA.--141,000 mi2, approximately. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: January 2002 to current year. |
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STAGE: January 2002 to current year. |
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SURFACE-WATER QUALITY |
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TEMPERATURE: October 1975 to October 3, 1977. |
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GAGE.--Water-stage recorder, phone telemeter, and acoustic-velocity meter. Datum of gage is 309.10 ft above NAVD of 1988. |
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REMARKS.--Some regulation by locks and dams upstream from station at Uniontown, KY and downstream at Smithland, KY. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 640,000 ft3/s, based on stage-area and velocity ratings, May 22, 2002, gage height, 43.87 ft; maximum gage height, 44.01 ft, discharge, 621,000 ft3/s, May 23, 2002; minimum daily discharge, 10,800 ft3/s, Aug. 17, 2002 and Sept. 10, 2002. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Flood of Jan. 30, 1937, reached a stage of 65.64 ft, from information by National Weather Service. |
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REMARKS FOR CURRENT YEAR.--Records good except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 181000 | 149000 | 411000 | 331000 | 146000 | 160000 | 235000 | 264000 | 481000 | 145000 | 162000 | 122000 |
2 | 192000 | 145000 | 402000 | 325000 | 128000 | 143000 | 262000 | 281000 | 497000 | 105000 | 179000 | 103000 |
3 | 191000 | 138000 | 396000 | 330000 | 138000 | 143000 | 275000 | 298000 | 512000 | 103000 | 159000 | 102000 |
4 | 177000 | 125000 | 386000 | 354000 | 184000 | 175000 | 289000 | 307000 | 526000 | 93600 | 142000 | 88600 |
5 | 156000 | 107000 | 371000 | 391000 | 218000 | 227000 | 313000 | 299000 | 537000 | 78000 | 145000 | 79500 |
6 | 145000 | 97300 | 340000 | e440000 | 261000 | 261000 | 337000 | 266000 | 537000 | 91900 | 143000 | 61000 |
7 | 129000 | 98100 | 305000 | e480000 | 304000 | 297000 | 356000 | 240000 | 503000 | 98100 | 142000 | 65800 |
8 | 120000 | 138000 | 267000 | 510000 | 362000 | 334000 | 354000 | 225000 | 458000 | 89600 | 132000 | 67200 |
9 | 117000 | 160000 | 245000 | 528000 | 387000 | 376000 | 333000 | 203000 | 407000 | 99400 | 108000 | 70700 |
10 | 112000 | 170000 | 233000 | 559000 | 412000 | 409000 | 293000 | 174000 | 358000 | 87100 | 93700 | 113000 |
11 | 85600 | 171000 | 228000 | 585000 | 434000 | 430000 | 241000 | 157000 | 286000 | 87900 | 62300 | 173000 |
12 | 82900 | 149000 | 226000 | 606000 | 456000 | 445000 | 202000 | 143000 | 211000 | 86900 | 50500 | 233000 |
13 | 80700 | 160000 | 228000 | 614000 | 468000 | 448000 | 185000 | 128000 | 192000 | 107000 | 66900 | 282000 |
14 | 68300 | 202000 | 245000 | 607000 | 473000 | 440000 | 198000 | 122000 | 211000 | 101000 | 69700 | 311000 |
15 | 73200 | 248000 | 274000 | 571000 | 459000 | 408000 | 242000 | 140000 | 241000 | 104000 | 54500 | 321000 |
16 | 80600 | 297000 | 298000 | 515000 | 418000 | 364000 | 292000 | 158000 | 264000 | 123000 | 44300 | 303000 |
17 | 123000 | 336000 | 311000 | 461000 | 366000 | 302000 | 339000 | 158000 | 281000 | 125000 | 46500 | 232000 |
18 | 142000 | 352000 | 312000 | 423000 | 293000 | 233000 | 375000 | 155000 | 289000 | 115000 | 47300 | 157000 |
19 | 137000 | 331000 | 315000 | e370000 | 213000 | 195000 | 402000 | 146000 | 296000 | 130000 | 43500 | 165000 |
20 | 138000 | 297000 | 319000 | 333000 | 174000 | 182000 | 422000 | 155000 | 302000 | 106000 | 39000 | 228000 |
21 | 139000 | 280000 | 321000 | 308000 | 154000 | 190000 | 429000 | 182000 | 300000 | 87700 | 45300 | 300000 |
22 | 131000 | 299000 | 314000 | 297000 | 153000 | 200000 | 414000 | 208000 | 294000 | 88700 | 78200 | 347000 |
23 | 120000 | 344000 | 294000 | 285000 | 156000 | 202000 | 378000 | 230000 | 288000 | 97300 | 105000 | e390000 |
24 | 103000 | 389000 | 263000 | 258000 | 171000 | 217000 | 338000 | 243000 | 272000 | 101000 | 135000 | e410000 |
25 | 97100 | 422000 | 251000 | 226000 | 187000 | 233000 | 316000 | 254000 | 242000 | 103000 | 150000 | e420000 |
26 | 104000 | 445000 | 260000 | 197000 | 195000 | 241000 | 309000 | 287000 | 215000 | 85100 | 154000 | 411000 |
27 | 97800 | 457000 | 279000 | 182000 | 197000 | 243000 | 302000 | 337000 | 205000 | 79500 | 135000 | 378000 |
28 | 92100 | 450000 | 299000 | 167000 | 192000 | 231000 | 289000 | 382000 | 199000 | 73300 | 100000 | 304000 |
29 | 107000 | 434000 | 314000 | 161000 | 179000 | 216000 | 265000 | 413000 | 186000 | 104000 | 102000 | 194000 |
30 | 113000 | 422000 | 324000 | 164000 | --- | 209000 | 250000 | 441000 | 171000 | 138000 | 99100 | 132000 |
31 | 133000 | --- | 331000 | 161000 | --- | 216000 | --- | 464000 | --- | 151000 | 101000 | --- |
TOTAL | 3768300 | 7812400 | 9362000 | 11739000 | 7878000 | 8370000 | 9235000 | 7460000 | 9761000 | 3185100 | 3134800 | 6563800 |
MEAN | 121600 | 260400 | 302000 | 378700 | 271700 | 270000 | 307800 | 240600 | 325400 | 102700 | 101100 | 218800 |
MAX | 192000 | 457000 | 411000 | 614000 | 473000 | 448000 | 429000 | 464000 | 537000 | 151000 | 179000 | 420000 |
MIN | 68300 | 97300 | 226000 | 161000 | 128000 | 143000 | 185000 | 122000 | 171000 | 73300 | 39000 | 61000 |
CFSM | 0.86 | 1.85 | 2.14 | 2.69 | 1.93 | 1.91 | 2.18 | 1.71 | 2.31 | 0.73 | 0.72 | 1.55 |
IN. | 0.99 | 2.06 | 2.47 | 3.10 | 2.08 | 2.21 | 2.44 | 1.97 | 2.58 | 0.84 | 0.83 | 1.73 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2002 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 98220 | 211800 | 251300 | 281300 | 246800 | 305000 | 313400 | 359100 | 252800 | 115000 | 90220 | 152000 |
MAX | 121600 | 260400 | 302000 | 378700 | 271700 | 353700 | 383300 | 500500 | 325400 | 184800 | 139300 | 218800 |
(WY) | 2004 | 2004 | 2004 | 2004 | 2004 | 2003 | 2002 | 2002 | 2004 | 2003 | 2003 | 2004 |
MIN | 74880 | 163300 | 200600 | 183900 | 204800 | 270000 | 249100 | 240600 | 157000 | 57300 | 30240 | 38160 |
(WY) | 2003 | 2003 | 2003 | 2003 | 2002 | 2004 | 2003 | 2004 | 2002 | 2002 | 2002 | 2002 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 2002 - 2004 | |||
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ANNUAL TOTAL | 87168800 | 88269400 | ||||
ANNUAL MEAN | 238800 | 241200 | ||||
HIGHEST ANNUAL MEAN | ||||||
LOWEST ANNUAL MEAN | ||||||
HIGHEST DAILY MEAN | 550000 | Mar 2 | 614000 | Jan 13 | 615000 | May 22 2002 |
LOWEST DAILY MEAN | 49900 | Jan 29 | 39000 | Aug 20 | 10800 | A |
ANNUAL SEVEN-DAY MINIMUM | 58800 | Jan 25 | 45800 | Aug 15 | 14400 | Sep 9 2002 |
MAXIMUM PEAK FLOW | 636000 B | Jan 13 | 640000 C | May 22 2002 | ||
MAXIMUM PEAK STAGE | 42.97 D | Jan 13 | 44.01 E | May 23 2002 | ||
INSTANTANEOUS LOW FLOW | 32200 | Aug 20, 21 | 1640 | Aug 17 2002 | ||
ANNUAL RUNOFF (CFSM) | 1.69 | 1.71 | ||||
ANNUAL RUNOFF (INCHES) | 23.00 | 23.29 | ||||
10 PERCENT EXCEEDS | 401000 | 425000 | ||||
50 PERCENT EXCEEDS | 213000 | 226000 | ||||
90 PERCENT EXCEEDS | 93100 | 93200 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |