Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

USGS Daily Statistics for Maryland

Click to hide state-specific text

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 01643000 MONOCACY RIVER AT JUG BRIDGE NEAR FREDERICK, MD


Frederick County, Maryland
Hydrologic Unit Code 02070009
Latitude  39°24'10.2", Longitude  77°21'57.9" NAD83
Drainage area 817  square miles
Gage datum 231.09 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1929-10-01 -> 2025-09-30)

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 1,170 1,020 1,640 1,760 1,370 815 451 406 604 641 678 976
2 1,440 1,100 1,560 1,910 1,040 969 432 350 620 612 695 1,120
3 1,330 1,320 1,440 1,920 1,040 860 470 379 365 654 729 906
4 1,400 1,570 1,700 1,640 1,280 853 477 530 423 427 599 888
5 1,160 1,400 2,040 1,750 1,250 822 453 391 335 380 584 1,070
6 1,130 1,240 1,960 1,710 1,420 816 427 307 579 390 602 1,120
7 1,050 1,460 1,930 1,590 1,500 655 487 321 673 323 601 1,080
8 1,120 1,450 1,810 1,450 1,260 692 542 324 504 332 658 1,030
9 1,250 1,100 1,690 1,520 1,130 608 509 424 553 613 817 968
10 1,380 1,110 1,630 1,630 1,040 592 489 446 600 841 668 1,020
11 1,070 1,150 1,750 1,410 1,030 665 450 540 484 532 622 1,360
12 1,040 1,220 1,790 1,250 1,170 675 381 387 320 482 584 1,430
13 1,030 1,320 1,820 1,490 1,230 774 679 645 335 375 826 1,120
14 1,030 1,520 1,950 1,570 1,150 838 424 649 394 428 729 1,310
15 1,130 1,580 2,030 1,610 1,000 665 446 374 631 488 714 1,090
16 1,140 1,410 1,670 1,670 1,340 523 490 287 459 485 636 1,220
17 967 1,410 1,540 1,810 1,450 538 417 291 805 501 719 1,300
18 950 1,360 1,550 1,370 1,040 671 450 377 572 616 694 1,140
19 1,050 1,430 1,610 1,140 1,200 797 505 395 587 682 629 997
20 1,460 1,560 1,860 1,470 996 853 439 325 361 651 748 927
21 1,290 1,540 1,990 1,470 1,050 740 500 343 379 508 662 1,130
22 1,180 1,590 2,380 1,340 1,140 1,180 582 374 542 418 804 1,110
23 1,050 1,640 2,040 1,190 997 1,440 568 404 749 562 994 1,130
24 1,300 1,950 2,050 1,070 869 895 513 741 784 599 760 1,060
25 1,710 1,900 1,700 1,140 851 551 492 491 657 464 838 1,210
26 1,650 1,840 1,510 1,310 896 528 421 341 1,030 562 781 1,150
27 1,540 1,700 1,620 1,650 803 543 362 357 851 575 776 1,440
28 1,500 1,600 1,680 1,440 888 748 378 282 715 679 912 1,100
29 1,160 1,650 1,840 1,260 967 538 366 299 656 697 1,320 1,100
30 1,120   1,660 1,200 898 483 371 236 647 862 1,220 1,230
31 1,210   1,710   863   404 327   702   1,210