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USGS Surface-Water Daily Statistics for Maryland

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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 -> 2021-09-30)

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 1,320 1,010 1,770 1,280 2,380 554 386 338 197 985 1,160 1,070
2 1,240 1,170 2,020 1,570 1,110 1,160 335 490 196 684 692 1,320
3 1,260 1,280 1,650 1,880 1,220 752 303 559 218 717 1,040 1,130
4 1,080 1,850 1,230 1,270 1,320 916 294 968 187 548 564 873
5 976 1,770 1,660 1,030 1,850 887 334 583 206 493 659 723
6 1,070 1,550 1,530 952 1,850 1,080 411 374 248 375 942 692
7 1,020 2,040 1,870 1,130 1,530 649 358 320 521 338 783 1,240
8 1,120 1,540 1,340 941 1,080 538 1,040 316 973 452 667 1,290
9 961 1,110 1,270 879 977 523 594 356 1,370 435 703 1,140
10 1,090 1,020 1,650 776 851 549 365 269 1,860 329 673 1,610
11 1,030 1,070 2,420 754 847 1,030 291 235 949 589 482 2,150
12 1,410 1,130 1,830 955 1,640 1,010 297 249 486 921 555 2,410
13 1,370 1,130 1,940 1,550 1,520 834 324 401 421 430 878 1,130
14 1,600 1,170 2,070 1,380 1,140 791 312 327 374 509 709 985
15 1,280 1,170 1,430 1,650 917 825 378 246 417 682 530 1,130
16 1,160 1,260 1,200 1,840 1,760 536 314 224 352 541 785 1,900
17 934 1,500 1,100 2,380 2,020 463 423 203 285 411 1,340 1,740
18 1,000 1,070 957 1,230 1,070 565 300 199 859 574 826 1,260
19 935 981 1,110 946 1,460 593 282 213 932 559 688 970
20 1,090 982 1,380 1,680 1,170 500 288 195 335 615 1,010 1,100
21 849 1,080 1,210 1,930 898 623 284 307 265 405 656 1,300
22 649 1,390 1,730 1,200 888 452 1,080 650 528 354 692 1,190
23 845 1,440 1,260 1,180 878 427 998 323 467 343 1,690 1,390
24 1,400 1,570 1,630 1,110 813 448 805 265 692 387 1,280 1,690
25 1,890 2,250 1,280 937 706 431 745 208 635 507 1,500 2,060
26 1,780 1,610 1,090 1,050 743 636 725 180 530 539 848 1,900
27 1,030 1,610 992 1,450 655 703 395 181 756 523 954 2,160
28 897 1,430 1,240 1,230 695 1,790 400 191 1,830 1,210 829 1,640
29 751 1,100 1,820 1,340 726 659 518 343 1,940 1,540 895 1,560
30 715   1,530 1,620 697 438 364 219 936 2,180 1,260 1,430
31 1,400   1,620   565   383 180   1,500   1,170