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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 -> 2020-09-30)

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 1,340 1,050 1,390 1,290 2,500 564 396 350 202 1,040 1,210 1,050
2 1,040 1,220 1,920 1,580 1,150 1,210 338 511 193 720 722 1,360
3 1,200 1,340 1,610 1,930 1,270 778 307 584 208 755 1,090 1,170
4 1,030 1,940 1,200 1,290 1,280 946 300 968 179 576 588 903
5 947 1,850 1,670 1,050 1,910 917 342 583 205 518 689 734
6 1,070 1,620 1,550 967 1,910 1,130 426 374 254 393 990 694
7 1,020 2,130 1,920 1,160 1,580 672 371 320 546 354 822 1,290
8 1,130 1,610 1,360 960 1,100 556 1,090 316 1,030 475 700 1,350
9 972 1,150 1,300 893 985 542 620 356 1,450 457 738 1,180
10 1,120 1,060 1,700 782 862 565 372 269 1,970 345 707 1,690
11 1,060 1,110 2,520 701 864 992 293 240 1,000 620 503 2,270
12 1,460 1,170 1,890 858 1,700 950 302 254 509 966 561 2,530
13 1,420 1,180 2,010 1,550 1,580 827 259 416 440 438 889 1,180
14 1,670 1,220 2,150 1,400 1,180 799 299 338 390 524 728 1,020
15 1,330 1,220 1,490 1,690 949 843 384 254 437 713 545 1,150
16 1,200 1,260 1,240 1,900 1,840 543 320 231 369 565 818 1,970
17 957 1,400 1,140 2,480 2,120 470 437 208 298 429 1,410 1,820
18 1,030 1,040 974 1,270 1,110 581 300 203 907 602 862 1,300
19 964 973 1,080 965 1,530 612 277 219 985 586 718 1,000
20 1,130 984 1,410 1,750 1,220 515 289 201 351 646 1,050 1,140
21 877 1,100 1,240 2,020 935 645 290 320 278 424 686 1,360
22 666 1,430 1,790 1,240 926 458 1,140 685 557 370 724 1,230
23 873 1,480 1,300 1,220 915 425 1,050 337 492 358 1,780 1,400
24 1,470 1,580 1,690 1,150 846 452 844 276 731 405 1,350 1,640
25 1,990 2,160 1,290 962 732 440 780 216 670 533 1,580 1,300
26 1,860 1,520 1,100 1,080 771 660 743 186 559 566 890 1,770
27 1,080 1,560 1,010 1,510 672 732 403 187 799 549 1,000 2,190
28 929 1,270 1,270 1,280 715 1,890 414 198 1,940 1,280 870 1,670
29 777 1,100 1,850 1,400 738 688 540 359 2,060 1,620 941 1,590
30 742   1,560 1,690 693 455 376 227 989 2,280 1,310 1,460
31 1,470   1,670   569   395 186   1,570   1,200