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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 1,240 955 1,670 1,240 2,470 528 360 320 486 883 1,100 989
2 1,260 1,100 1,880 1,490 1,130 1,080 317 459 1,460 626 670 1,220
3 1,240 1,210 1,540 1,750 1,200 703 287 517 364 686 983 1,050
4 1,060 1,910 1,480 1,190 1,280 851 280 840 224 532 546 820
5 949 1,780 1,650 973 1,750 823 317 511 223 495 628 688
6 1,030 1,490 1,470 923 1,850 996 384 334 256 381 880 654
7 973 1,910 1,770 1,150 2,230 605 376 290 501 339 735 1,150
8 1,050 1,460 1,280 1,130 1,580 507 984 296 873 437 629 1,200
9 909 1,060 1,210 914 1,080 497 560 331 1,340 419 660 1,050
10 1,030 976 1,570 795 905 518 355 252 1,690 322 632 1,480
11 973 1,020 2,250 756 872 949 283 221 866 556 463 1,970
12 1,310 1,060 1,710 927 1,570 933 283 229 464 853 562 2,190
13 1,280 1,070 1,810 1,450 1,450 776 326 358 406 411 896 1,040
14 1,490 1,110 1,920 1,300 1,110 738 305 293 359 483 696 910
15 1,200 1,100 1,360 1,540 905 771 357 224 389 640 522 1,080
16 1,080 1,180 1,140 1,730 1,670 508 296 208 355 512 774 2,040
17 895 1,410 1,050 2,200 1,890 438 396 197 352 393 1,280 1,700
18 988 1,070 916 1,160 1,020 528 287 196 791 539 791 1,200
19 907 981 1,050 945 1,390 551 270 245 842 523 659 926
20 1,060 947 1,300 1,600 1,140 466 273 227 323 572 940 1,030
21 875 1,030 1,140 1,790 866 575 271 302 259 383 622 1,210
22 651 1,310 1,600 1,130 849 422 995 579 480 336 653 1,110
23 856 1,360 1,180 1,110 837 408 913 296 975 326 1,550 1,800
24 1,380 1,470 1,540 1,050 776 439 737 245 1,220 366 1,180 1,710
25 1,780 2,090 1,260 887 677 418 681 194 671 475 1,380 1,930
26 1,710 1,570 1,090 984 708 594 663 175 548 523 789 1,770
27 1,030 1,520 964 1,340 632 651 366 169 714 505 884 2,000
28 880 1,360 1,180 1,150 679 1,630 370 189 1,610 1,120 771 1,520
29 736 1,100 1,690 1,360 698 610 476 318 1,700 1,430 832 1,450
30 693   1,420 1,680 663 409 337 205 839 2,230 1,160 1,330
31 1,310   1,500   541   358 173   1,440   1,100