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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 1,010 1,060 1,040 1,910 1,520 796 580 493 436 559 754 1,110
2 1,020 1,060 1,090 1,960 1,460 771 571 506 413 537 763 1,040
3 1,050 1,050 1,050 1,830 1,450 715 511 466 387 529 975 998
4 1,030 1,040 1,040 1,870 1,340 729 411 533 399 513 899 950
5 1,050 1,020 1,040 2,010 1,320 639 454 508 403 516 790 1,040
6 1,100 1,000 1,170 1,950 1,250 736 477 470 464 554 748 1,130
7 1,100 1,030 1,210 1,950 1,110 808 462 495 486 569 750 1,120
8 1,070 1,020 1,210 1,880 1,060 727 554 519 478 571 786 1,100
9 1,100 983 1,310 1,760 1,110 727 576 499 521 595 950 1,050
10 1,110 958 1,280 1,850 1,080 749 574 589 468 524 888 1,070
11 1,060 993 1,230 1,930 1,100 739 527 564 476 516 731 1,030
12 1,110 1,040 1,290 2,010 1,140 732 505 541 534 502 782 1,060
13 1,080 976 1,340 1,890 1,220 695 510 530 518 527 831 1,060
14 1,070 975 1,370 1,860 1,160 716 497 509 509 547 841 1,120
15 1,060 987 1,320 1,850 1,150 676 494 492 464 703 833 1,140
16 1,020 1,010 1,340 1,970 1,070 644 611 484 487 673 882 1,050
17 989 963 1,390 2,000 1,090 653 555 477 471 731 866 1,050
18 1,020 954 1,520 1,920 1,090 693 502 504 515 674 858 1,060
19 1,100 949 1,370 1,890 1,060 652 470 525 484 641 846 1,030
20 1,060 1,020 1,350 1,900 1,020 659 473 470 559 766 916 988
21 1,020 1,070 1,420 1,820 1,010 605 466 446 676 717 887 1,090
22 1,060 1,070 1,460 1,800 1,090 585 502 477 674 667 820 1,070
23 1,080 1,030 1,400 1,910 946 588 540 478 542 664 821 1,050
24 1,090 1,090 1,410 1,840 958 601 486 448 502 796 822 1,040
25 1,170 1,220 1,470 1,750 998 635 447 456 504 795 865 1,000
26 1,130 1,140 1,580 1,670 928 603 440 469 519 745 917 1,030
27 1,150 1,070 1,690 1,560 852 567 464 429 529 729 957 1,090
28 1,140 1,060 1,930 1,540 798 567 481 623 540 740 968 1,050
29 1,050 993 1,760 1,590 824 557 509 591 532 726 1,030 1,060
30 1,010   1,720 1,480 745 620 534 486 533 783 1,040 1,070
31 1,030   1,830   719   476 441   770   1,230