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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 1,770 1,730 1,960 1,730 1,270 560 355 352 181 217 309 908
2 1,590 1,710 1,600 1,510 1,310 726 338 372 174 449 277 843
3 1,570 1,900 1,700 1,500 1,610 583 296 350 183 288 302 900
4 1,680 1,940 1,920 2,010 1,470 625 429 372 227 155 342 1,130
5 1,800 1,700 2,340 2,270 1,170 511 482 356 175 131 357 1,150
6 1,590 1,700 2,780 1,630 1,300 468 536 297 127 124 476 989
7 1,650 1,820 2,350 1,700 1,870 723 687 259 107 106 514 1,020
8 1,750 1,480 1,860 1,700 1,940 542 553 213 83 117 366 1,380
9 1,640 1,520 1,970 1,520 1,450 386 692 243 72 127 334 1,950
10 1,630 1,770 1,880 1,420 974 408 425 210 93 157 411 1,850
11 1,760 1,790 1,790 1,520 848 434 398 210 132 204 490 1,280
12 1,530 1,660 2,110 1,850 797 380 308 219 98 166 401 941
13 1,270 1,850 2,510 1,990 869 424 316 251 91 127 374 1,130
14 1,370 2,280 2,170 1,580 1,020 369 472 309 114 138 332 1,350
15 1,490 2,400 1,910 1,720 1,010 409 552 236 122 247 386 1,200
16 1,500 2,520 1,680 1,880 1,150 507 511 167 143 218 460 1,170
17 1,130 2,340 1,980 1,480 868 554 407 185 134 540 513 1,160
18 1,280 2,460 2,060 1,390 772 396 283 162 159 745 511 1,200
19 1,210 1,960 2,040 1,200 886 406 389 194 169 261 793 1,180
20 1,680 1,660 2,000 1,420 967 479 383 154 113 253 928 912
21 2,030 1,930 2,120 1,140 812 434 431 164 116 200 734 1,170
22 1,860 2,240 2,190 1,090 648 433 262 160 235 174 527 1,370
23 2,220 2,080 2,020 1,120 785 584 232 138 234 188 654 1,720
24 2,090 1,920 1,540 1,000 654 623 248 148 369 196 614 1,600
25 1,850 1,940 1,540 1,130 682 371 207 184 295 157 578 1,360
26 1,610 1,880 1,440 1,190 610 430 225 141 331 158 521 1,350
27 1,310 1,960 1,540 1,150 586 441 283 133 346 205 672 1,330
28 1,610 2,200 1,520 1,630 706 721 244 175 324 274 1,040 1,360
29 1,710 1,850 1,630 1,690 653 777 278 173 244 279 1,100 1,640
30 1,770   2,020 1,300 582 399 347 185 193 271 792 1,840
31 1,660   1,770   650   322 174   266   1,930