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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 154.46 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 1903-10-01 -> 2021-09-30)

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 1,440 1,490 3,150 2,100 1,310 814 653 523 700 1,060 1,490
2 1,420 1,490 1,570 3,170 2,090 1,300 809 657 525 774 1,140 1,540
3 1,480 1,540 1,510 3,140 2,060 1,220 699 594 579 720 1,430 1,560
4 1,440 1,520 1,600 3,260 1,990 1,140 637 623 578 720 1,150 1,420
5 1,480 1,500 1,540 3,630 1,800 1,020 674 593 562 682 1,150 1,520
6 1,560 1,430 1,680 3,340 1,810 1,240 654 546 623 738 1,130 1,480
7 1,740 1,480 1,810 3,120 1,640 1,270 620 623 681 771 1,130 1,530
8 1,560 1,490 1,720 2,890 1,540 1,140 579 703 662 798 1,210 1,510
9 1,640 1,390 1,920 2,650 1,650 1,140 532 641 612 935 1,390 1,480
10 1,550 1,370 1,840 2,950 1,630 999 559 785 539 712 1,250 1,520
11 1,540 1,480 1,910 3,100 1,710 1,030 558 773 639 688 1,150 1,550
12 1,620 1,480 1,900 2,900 1,750 1,030 598 775 744 756 1,200 1,620
13 1,620 1,400 1,960 2,890 1,900 1,050 630 738 666 719 1,200 1,630
14 1,520 1,390 2,070 2,980 1,770 1,180 651 701 626 758 1,200 1,620
15 1,510 1,420 2,030 2,930 1,610 1,090 610 645 699 1,230 1,230 1,570
16 1,460 1,480 2,040 3,080 1,670 1,020 780 641 596 1,050 1,220 1,480
17 1,380 1,380 2,160 3,220 1,680 977 704 647 606 1,150 1,240 1,520
18 1,400 1,380 2,220 3,000 1,720 964 625 661 778 954 1,190 1,540
19 1,480 1,370 2,120 2,740 1,660 941 587 750 754 914 1,120 1,440
20 1,510 1,460 2,230 2,720 1,610 934 587 627 755 1,140 1,280 1,360
21 1,470 1,570 2,170 2,590 1,630 872 551 605 657 1,120 1,340 1,740
22 1,500 1,580 2,370 2,570 1,550 834 596 606 636 1,050 1,270 1,640
23 1,530 1,530 2,120 2,770 1,360 855 682 559 620 983 1,230 1,470
24 1,540 1,630 2,110 2,740 1,420 888 623 509 621 1,070 1,130 1,540
25 1,620 1,780 2,180 2,700 1,590 941 572 528 683 1,070 1,280 1,460
26 1,640 1,620 2,360 2,530 1,560 893 572 499 686 1,040 1,470 1,420
27 1,690 1,550 2,740 2,450 1,390 801 568 494 757 1,010 1,400 1,560
28 1,630 1,540 2,630 2,420 1,270 895 595 948 760 1,100 1,400 1,530
29 1,490 1,520 2,760 2,400 1,310 828 665 808 756 1,120 1,550 1,530
30 1,410   2,910 2,160 1,340 889 717 649 810 1,170 1,530 1,600
31 1,430   3,230   1,200   647 550   1,060   1,850