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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 01170000 DEERFIELD RIVER NEAR WEST DEERFIELD, MA


Franklin County, Massachusetts
Hydrologic Unit Code 01080203
Latitude  42°32'09", Longitude  72°39'14" NAD27
Drainage area 557  square miles
Contributing drainage area 557  square miles
Gage datum 156.74 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 78 - 81 years of record in, ft3/s   (Calculation Period 1903-10-01 -> 2019-09-30)

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 1,530 1,430 1,490 3,160 2,080 1,330 822 661 529 701 1,040 1,490
2 1,420 1,480 1,580 3,200 2,070 1,310 806 666 530 784 1,120 1,550
3 1,480 1,540 1,510 3,170 2,040 1,230 703 601 584 728 1,430 1,560
4 1,440 1,520 1,580 3,280 1,980 1,160 639 625 584 730 1,160 1,420
5 1,480 1,500 1,530 3,660 1,790 1,030 680 589 566 691 1,150 1,520
6 1,560 1,430 1,680 3,370 1,810 1,250 661 550 630 749 1,140 1,490
7 1,750 1,470 1,820 3,150 1,640 1,270 625 630 688 783 1,130 1,530
8 1,560 1,460 1,730 2,890 1,550 1,150 586 712 668 810 1,210 1,510
9 1,640 1,370 1,940 2,650 1,660 1,150 538 648 619 951 1,400 1,490
10 1,550 1,360 1,850 2,930 1,640 1,010 564 798 545 721 1,260 1,490
11 1,540 1,480 1,920 3,110 1,720 1,040 561 784 647 697 1,160 1,510
12 1,580 1,480 1,910 2,920 1,760 1,030 602 787 754 767 1,210 1,600
13 1,590 1,390 1,960 2,870 1,900 1,070 637 748 674 725 1,200 1,620
14 1,500 1,390 2,070 2,920 1,770 1,200 659 710 634 758 1,200 1,560
15 1,490 1,420 2,030 2,880 1,610 1,110 617 653 709 1,240 1,240 1,510
16 1,460 1,480 2,050 3,060 1,670 1,030 791 649 604 1,060 1,230 1,450
17 1,370 1,380 2,190 3,230 1,680 975 713 654 615 1,130 1,260 1,500
18 1,390 1,380 2,240 3,020 1,730 966 631 667 791 951 1,200 1,530
19 1,470 1,370 2,130 2,750 1,670 947 594 760 767 924 1,120 1,430
20 1,500 1,460 2,240 2,710 1,630 942 595 634 768 1,160 1,280 1,350
21 1,470 1,570 2,180 2,580 1,650 871 557 612 667 1,130 1,350 1,730
22 1,490 1,590 2,390 2,560 1,570 836 603 611 646 1,070 1,280 1,630
23 1,520 1,540 2,140 2,770 1,380 858 666 563 629 993 1,240 1,480
24 1,530 1,640 2,130 2,750 1,440 893 623 514 631 1,090 1,140 1,540
25 1,620 1,790 2,200 2,710 1,610 945 576 534 694 1,090 1,290 1,460
26 1,630 1,630 2,390 2,550 1,580 891 577 504 697 1,050 1,470 1,420
27 1,690 1,530 2,770 2,410 1,410 801 573 499 769 1,010 1,410 1,560
28 1,630 1,530 2,650 2,400 1,280 901 601 964 773 1,100 1,400 1,530
29 1,480 1,510 2,770 2,400 1,320 836 671 818 767 1,120 1,550 1,530
30 1,400   2,920 2,160 1,360 900 724 653 809 1,170 1,540 1,600
31 1,420   3,240   1,210   655 555   1,060   1,850