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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 -> 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
1 994 1,050 1,040 1,910 1,490 816 586 483 435 559 741 1,090
2 1,010 1,050 1,090 1,960 1,440 790 564 507 396 541 754 1,040
3 1,030 1,040 1,050 1,840 1,440 731 486 464 379 528 973 988
4 1,020 1,020 1,040 1,880 1,340 748 379 526 396 509 900 934
5 1,040 1,000 1,040 2,020 1,310 655 419 503 399 504 791 1,030
6 1,100 991 1,170 1,960 1,250 755 458 469 459 549 749 1,130
7 1,100 1,030 1,210 1,960 1,120 829 441 494 488 567 753 1,090
8 1,070 1,020 1,200 1,870 1,080 747 523 521 474 569 790 1,080
9 1,100 984 1,320 1,770 1,130 741 519 499 507 595 960 1,040
10 1,100 957 1,280 1,860 1,090 765 442 595 457 524 892 1,060
11 1,060 991 1,220 1,940 1,110 755 441 570 469 516 731 1,030
12 1,110 1,040 1,290 2,030 1,160 749 441 547 535 501 783 1,060
13 1,070 970 1,330 1,890 1,240 711 455 533 512 524 829 1,070
14 1,060 970 1,370 1,850 1,180 734 458 513 503 536 842 1,120
15 1,060 982 1,330 1,850 1,180 693 466 490 459 699 834 1,140
16 1,010 1,010 1,340 1,990 1,080 660 587 485 483 675 878 1,050
17 981 952 1,400 2,020 1,110 667 523 479 468 726 859 1,050
18 1,010 939 1,540 1,950 1,110 708 463 503 513 678 854 1,060
19 1,100 937 1,370 1,920 1,080 664 439 526 483 649 843 1,030
20 1,060 1,010 1,340 1,940 1,040 671 456 470 556 776 918 986
21 1,020 1,070 1,420 1,850 1,020 614 444 440 678 727 891 1,090
22 1,060 1,070 1,460 1,830 1,110 595 487 472 675 669 824 1,070
23 1,080 1,010 1,390 1,940 965 598 528 459 537 665 824 1,030
24 1,090 1,080 1,400 1,860 981 610 475 425 492 801 822 1,010
25 1,170 1,220 1,460 1,780 1,020 643 436 448 496 798 868 928
26 1,120 1,140 1,570 1,700 952 608 428 464 520 739 918 992
27 1,150 1,060 1,690 1,580 871 565 460 427 532 718 959 1,070
28 1,130 1,050 1,930 1,560 815 565 478 628 545 736 963 1,040
29 1,040 985 1,740 1,620 843 555 509 594 534 721 1,020 1,050
30 995   1,710 1,470 762 623 522 483 526 774 1,030 1,060
31 1,020   1,840   730   464 436   742   1,230