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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 73 - 75 years of record in, ft3/s   (Calculation Period 1935-10-01 -> 2017-09-30)

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 1,650 1,750 1,960 1,730 1,270 507 346 353 180 208 304 887
2 1,560 1,730 1,590 1,510 1,320 703 330 373 160 449 272 800
3 1,570 1,930 1,700 1,480 1,620 571 284 353 173 282 297 877
4 1,690 1,960 1,930 1,930 1,480 626 424 377 223 148 333 1,130
5 1,780 1,690 2,360 2,240 1,170 509 481 361 172 124 351 1,150
6 1,570 1,700 2,820 1,630 1,280 467 536 301 120 114 412 996
7 1,650 1,730 2,390 1,710 1,850 728 679 246 101 100 443 1,030
8 1,770 1,310 1,880 1,710 1,930 545 550 186 80 113 330 1,400
9 1,660 1,460 2,000 1,520 1,450 388 696 236 68 115 297 1,980
10 1,650 1,730 1,830 1,420 971 410 426 203 80 146 343 1,880
11 1,790 1,580 1,780 1,530 847 430 399 194 123 181 458 1,300
12 1,560 1,480 2,120 1,870 798 344 308 210 93 142 379 950
13 1,280 1,710 2,540 2,020 872 367 316 247 88 113 356 1,140
14 1,380 2,250 2,190 1,590 1,030 344 476 308 112 129 316 1,370
15 1,500 2,400 1,920 1,670 1,010 399 557 231 120 230 348 1,180
16 1,520 2,530 1,690 1,760 1,160 504 515 161 142 152 394 1,070
17 1,140 2,300 2,010 1,450 866 554 404 178 133 516 481 1,120
18 1,290 2,310 2,090 1,370 773 396 278 149 160 741 492 1,190
19 1,200 1,900 2,080 1,200 872 407 390 168 169 251 787 1,190
20 1,550 1,540 2,030 1,420 957 482 384 141 112 245 927 913
21 2,010 1,730 2,160 1,140 809 437 372 158 116 192 732 1,160
22 1,870 2,190 2,220 1,090 641 436 234 156 239 168 523 1,360
23 2,230 1,980 2,050 1,130 780 587 212 127 227 183 656 1,650
24 1,970 1,630 1,560 989 652 625 234 137 342 178 616 1,440
25 1,810 1,760 1,400 1,090 683 351 198 180 241 143 578 1,320
26 1,610 1,810 1,400 1,170 612 333 220 138 240 148 521 1,340
27 1,300 1,940 1,530 1,140 588 336 280 132 280 195 677 1,330
28 1,620 2,200 1,520 1,620 709 651 243 176 239 265 1,050 1,340
29 1,720 1,850 1,490 1,690 656 752 278 174 213 265 1,120 1,630
30 1,790   1,890 1,300 584 384 348 186 178 260 797 1,850
31 1,680   1,740   653   324 175   258   1,900