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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 01642190 MONOCACY RIVER AT MONOCACY BLVD AT FREDERICK, MD


Frederick County, Maryland
Hydrologic Unit Code 02070009
Latitude  39°26'36.9", Longitude  77°22'56.2" NAD83
Drainage area 703  square miles
Gage datum 240.00 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2003-10-01 -> 2024-09-30)

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 1,210 969 1,630 1,240 2,470 528 360 320 486 883 1,050 949
2 1,220 1,100 1,890 1,490 1,130 1,080 317 459 1,460 626 642 1,170
3 1,200 1,200 1,630 1,750 1,200 703 287 517 364 657 939 1,010
4 1,020 1,860 1,490 1,190 1,280 851 280 840 224 510 523 789
5 920 1,730 1,660 973 1,750 823 317 511 223 475 601 666
6 992 1,450 1,470 923 1,850 996 384 334 256 366 841 632
7 963 1,850 1,770 1,150 2,230 605 376 290 501 327 703 1,100
8 1,070 1,410 1,280 1,130 1,580 507 984 296 873 421 603 1,150
9 992 1,040 1,210 914 1,080 497 560 331 1,340 403 633 1,010
10 1,790 954 1,570 795 905 518 355 252 1,690 310 606 1,410
11 1,120 996 2,250 756 872 949 283 221 866 533 445 1,930
12 1,340 1,040 1,710 927 1,570 933 283 229 464 816 539 2,160
13 1,420 1,140 1,810 1,450 1,450 776 326 358 406 395 857 1,020
14 1,530 1,250 1,920 1,300 1,110 738 305 293 359 463 666 886
15 1,210 1,130 1,360 1,540 905 771 357 224 389 613 501 1,040
16 1,080 1,190 1,140 1,730 1,670 508 296 208 355 494 740 1,950
17 900 1,400 1,050 2,200 1,890 438 396 197 352 384 1,220 1,630
18 983 1,070 916 1,160 1,020 528 287 196 791 520 757 1,530
19 904 981 1,050 945 1,390 551 270 245 842 503 632 1,040
20 1,050 943 1,300 1,600 1,140 466 273 227 323 549 899 1,040
21 865 1,020 1,140 1,790 866 575 271 302 259 369 597 1,190
22 649 1,280 1,600 1,130 849 422 995 579 480 324 711 1,090
23 844 1,370 1,180 1,110 837 408 913 296 975 314 1,530 1,740
24 1,350 1,470 1,540 1,050 776 439 737 245 1,220 352 1,140 1,650
25 1,750 2,050 1,260 887 677 418 681 194 671 456 1,330 1,850
26 1,710 1,540 1,090 984 708 594 663 175 548 501 761 1,700
27 1,050 1,490 964 1,340 632 651 366 169 714 484 850 1,920
28 1,060 1,330 1,180 1,150 679 1,630 370 189 1,610 1,070 742 1,530
29 917 1,060 1,690 1,360 698 610 476 318 1,700 1,360 799 1,440
30 755   1,420 1,680 663 409 337 205 839 2,120 1,110 1,300
31 1,320   1,500   541   358 173   1,380   1,080