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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 03406500 ROCKCASTLE RIVER AT BILLOWS, KY


Laurel County, Kentucky
Hydrologic Unit Code 05130102
Latitude  37°10'16", Longitude  84°17'46" NAD27
Drainage area 604  square miles
Gage datum 802.90 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 75 - 76 years of record in, ft3/s   (Calculation Period 1935-10-01 -> 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 1,630 1,740 1,960 1,750 1,270 560 355 352 181 217 307 878
2 1,540 1,720 1,600 1,530 1,310 726 338 372 174 449 274 791
3 1,550 1,920 1,700 1,510 1,610 583 296 350 183 288 299 868
4 1,670 1,950 1,920 2,030 1,470 625 429 372 227 155 341 1,120
5 1,760 1,710 2,350 2,300 1,170 511 482 356 175 131 356 1,140
6 1,550 1,710 2,800 1,650 1,300 468 536 297 127 124 417 985
7 1,630 1,770 2,370 1,720 1,870 723 687 259 107 106 453 1,020
8 1,750 1,380 1,870 1,710 1,940 542 553 213 83 117 340 1,390
9 1,640 1,480 1,980 1,520 1,450 386 692 243 72 127 306 1,960
10 1,640 1,760 1,820 1,420 974 408 425 210 93 157 350 1,860
11 1,770 1,760 1,760 1,520 848 434 398 210 132 204 461 1,290
12 1,540 1,590 2,100 1,860 797 380 308 219 98 166 382 940
13 1,270 1,740 2,520 2,000 869 424 316 251 91 127 358 1,130
14 1,370 2,250 2,180 1,580 1,020 369 472 309 114 138 318 1,360
15 1,490 2,390 1,910 1,720 1,010 409 552 236 122 247 349 1,170
16 1,500 2,530 1,690 1,880 1,150 507 511 167 143 154 393 1,060
17 1,130 2,340 2,000 1,480 868 554 407 185 134 515 479 1,100
18 1,280 2,380 2,080 1,390 772 396 283 162 159 735 490 1,180
19 1,190 1,930 2,060 1,200 886 406 389 194 169 251 783 1,170
20 1,530 1,550 2,020 1,420 967 479 383 154 113 244 923 903
21 1,990 1,730 2,140 1,140 812 434 431 164 116 191 730 1,150
22 1,850 2,190 2,210 1,090 648 433 262 160 235 168 522 1,340
23 2,210 1,980 2,040 1,120 785 584 232 138 234 183 653 1,700
24 1,960 1,640 1,560 1,000 654 623 248 148 369 193 613 1,590
25 1,790 1,800 1,550 1,130 682 371 207 184 295 154 575 1,350
26 1,590 1,860 1,450 1,190 610 430 225 141 331 155 518 1,340
27 1,290 1,950 1,550 1,150 586 441 283 133 346 199 672 1,330
28 1,610 2,200 1,530 1,630 706 721 244 175 324 267 1,040 1,330
29 1,710 1,850 1,650 1,690 653 777 278 173 244 274 1,110 1,620
30 1,780   2,040 1,300 582 399 347 185 193 266 789 1,830
31 1,670   1,790   650   322 174   263   1,890