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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 -> 2020-09-30)

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 3,160 2,080 1,330 820 658 526 695 1,060 1,490
2 1,420 1,490 1,570 3,180 2,070 1,310 808 661 528 778 1,140 1,540
3 1,480 1,540 1,510 3,150 2,050 1,230 702 597 581 722 1,430 1,560
4 1,440 1,510 1,580 3,260 1,990 1,150 637 622 581 723 1,150 1,420
5 1,480 1,500 1,530 3,640 1,800 1,020 678 585 565 685 1,150 1,520
6 1,560 1,430 1,680 3,350 1,810 1,250 659 547 627 743 1,130 1,480
7 1,740 1,480 1,810 3,130 1,640 1,280 624 626 685 776 1,130 1,530
8 1,560 1,490 1,720 2,900 1,550 1,150 583 707 665 803 1,210 1,510
9 1,640 1,390 1,930 2,660 1,660 1,150 535 645 615 942 1,390 1,480
10 1,550 1,370 1,830 2,940 1,640 1,010 561 792 541 716 1,250 1,520
11 1,540 1,480 1,900 3,110 1,720 1,040 559 779 642 692 1,150 1,550
12 1,620 1,480 1,900 2,910 1,760 1,040 600 781 749 761 1,200 1,620
13 1,620 1,400 1,950 2,880 1,900 1,060 634 742 670 719 1,200 1,630
14 1,520 1,390 2,060 2,930 1,770 1,190 655 705 630 752 1,200 1,620
15 1,510 1,420 2,020 2,920 1,610 1,100 613 649 704 1,230 1,230 1,570
16 1,460 1,480 2,050 3,090 1,670 1,030 785 645 600 1,050 1,220 1,480
17 1,380 1,380 2,170 3,240 1,680 985 708 652 610 1,140 1,240 1,520
18 1,400 1,380 2,220 3,020 1,730 972 628 664 784 954 1,190 1,540
19 1,480 1,370 2,120 2,750 1,670 948 590 755 760 918 1,120 1,440
20 1,510 1,460 2,220 2,730 1,630 942 591 632 761 1,150 1,280 1,360
21 1,470 1,570 2,160 2,610 1,640 878 554 609 662 1,130 1,340 1,740
22 1,500 1,590 2,370 2,570 1,560 840 601 610 640 1,060 1,270 1,640
23 1,520 1,540 2,130 2,780 1,370 863 680 562 624 989 1,230 1,470
24 1,530 1,630 2,120 2,760 1,440 896 625 512 626 1,080 1,130 1,540
25 1,620 1,780 2,180 2,710 1,610 948 575 530 688 1,080 1,280 1,460
26 1,630 1,620 2,370 2,550 1,580 900 574 500 691 1,040 1,470 1,420
27 1,690 1,530 2,740 2,460 1,400 807 572 496 763 1,010 1,400 1,560
28 1,630 1,530 2,630 2,430 1,280 902 599 955 767 1,110 1,400 1,530
29 1,480 1,510 2,750 2,410 1,320 835 670 812 762 1,120 1,550 1,530
30 1,400   2,900 2,170 1,360 897 723 649 803 1,170 1,530 1,600
31 1,430   3,240   1,210   652 552   1,060   1,850