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USGS Daily Statistics for Massachusetts

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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


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 01168500 DEERFIELD RIVER AT CHARLEMONT, MA


Franklin County, Massachusetts
Hydrologic Unit Code 01080203
Latitude  42°37'33.6", Longitude  72°51'15.1" NAD83
Drainage area 361  square miles
Contributing drainage area 361  square miles
Gage datum 516.84 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 1912-10-01 -> 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 1,020 1,060 1,040 1,910 1,520 796 580 493 436 559 760 1,110
2 1,030 1,060 1,090 1,960 1,460 771 571 506 413 537 767 1,040
3 1,040 1,050 1,060 1,830 1,450 715 511 466 387 529 974 999
4 1,030 1,040 1,050 1,870 1,340 729 411 533 399 515 902 956
5 1,050 1,020 1,050 2,010 1,320 639 454 508 403 518 793 1,040
6 1,100 1,000 1,180 1,950 1,250 736 477 470 464 556 750 1,130
7 1,100 1,030 1,250 1,950 1,110 808 462 495 486 574 751 1,120
8 1,070 1,020 1,220 1,880 1,060 727 554 519 478 582 786 1,100
9 1,100 983 1,320 1,760 1,110 727 576 499 521 602 945 1,050
10 1,110 962 1,290 1,850 1,080 749 574 589 468 530 884 1,070
11 1,070 998 1,240 1,930 1,100 739 527 564 476 522 730 1,050
12 1,120 1,040 1,290 2,010 1,140 732 505 541 534 508 783 1,070
13 1,090 980 1,340 1,890 1,220 695 510 530 518 533 831 1,060
14 1,070 978 1,370 1,860 1,160 716 497 509 509 550 840 1,120
15 1,070 988 1,330 1,850 1,150 676 494 492 464 705 833 1,140
16 1,020 1,010 1,340 1,970 1,070 644 611 484 487 674 882 1,060
17 992 964 1,390 2,000 1,090 653 555 477 471 729 869 1,060
18 1,020 955 1,530 1,920 1,090 693 502 504 515 673 858 1,120
19 1,100 950 1,380 1,890 1,060 652 470 525 484 639 846 1,090
20 1,060 1,020 1,350 1,900 1,020 659 473 470 559 766 915 1,010
21 1,020 1,070 1,420 1,820 1,010 605 466 446 676 738 886 1,100
22 1,070 1,070 1,460 1,800 1,090 585 502 477 674 688 821 1,080
23 1,080 1,030 1,400 1,910 946 588 540 478 542 680 825 1,060
24 1,090 1,090 1,420 1,840 958 601 486 448 502 804 825 1,040
25 1,180 1,220 1,480 1,750 998 635 447 456 504 799 867 1,010
26 1,140 1,140 1,580 1,670 928 603 440 469 519 748 917 1,040
27 1,160 1,070 1,690 1,560 852 567 464 429 529 733 961 1,100
28 1,140 1,060 1,940 1,540 798 567 481 623 540 743 969 1,060
29 1,050 1,010 1,770 1,590 824 557 509 591 532 730 1,030 1,060
30 1,010   1,730 1,480 745 620 534 486 533 791 1,040 1,080
31 1,030   1,840   719   476 441   778   1,240