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USGS 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 2,380 554 396 350 197 985 1,160 1,070
2 1,240 1,170 2,020 1,570 1,110 1,160 338 511 196 684 692 1,320
3 1,260 1,280 1,650 1,880 1,220 778 307 584 218 717 1,040 1,130
4 1,080 1,850 1,230 1,270 1,320 946 300 968 187 548 564 873
5 976 1,770 1,660 1,030 1,850 917 342 583 206 493 659 723
6 1,070 1,550 1,530 952 1,850 1,130 426 374 248 375 942 692
7 1,020 2,040 1,870 1,130 1,530 672 371 320 521 338 783 1,240
8 1,120 1,540 1,340 941 1,080 556 1,090 316 973 452 667 1,290
9 961 1,110 1,270 879 977 542 620 356 1,370 435 703 1,140
10 1,090 1,020 1,650 776 851 565 372 269 1,860 329 673 1,610
11 1,030 1,070 2,420 754 847 992 293 235 949 589 482 2,150
12 1,410 1,130 1,830 955 1,640 950 302 249 486 921 555 2,410
13 1,370 1,130 1,940 1,550 1,520 827 259 401 421 430 878 1,130
14 1,600 1,170 2,070 1,380 1,140 799 299 327 374 509 709 985
15 1,280 1,170 1,430 1,650 917 843 384 246 417 682 530 1,130
16 1,160 1,260 1,200 1,840 1,760 543 320 224 352 541 785 1,900
17 934 1,500 1,100 2,380 2,020 470 437 203 285 411 1,340 1,740
18 1,000 1,070 957 1,230 1,070 581 300 199 859 574 826 1,260
19 935 981 1,110 946 1,460 612 277 213 932 559 688 970
20 1,090 982 1,380 1,680 1,170 515 289 195 335 615 1,010 1,100
21 849 1,080 1,210 1,930 898 645 290 307 265 405 656 1,300
22 649 1,390 1,730 1,200 888 458 1,140 650 528 354 692 1,190
23 845 1,440 1,260 1,180 878 425 1,050 323 467 343 1,690 1,390
24 1,400 1,570 1,630 1,110 813 452 844 265 692 387 1,280 1,690
25 1,890 2,250 1,280 937 706 440 780 208 635 507 1,500 2,060
26 1,780 1,610 1,090 1,050 743 660 743 180 530 539 848 1,900
27 1,030 1,610 992 1,450 655 732 403 181 756 523 954 2,160
28 897 1,430 1,240 1,230 695 1,890 414 191 1,830 1,210 829 1,640
29 751 1,100 1,820 1,340 726 688 540 343 1,940 1,540 895 1,560
30 715   1,530 1,620 697 455 376 219 936 2,180 1,260 1,430
31 1,400   1,620   565   395 180   1,500   1,170