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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 516.93 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 -> 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
1 993 1,050 1,040 1,910 1,490 816 586 483 437 563 728 1,090
2 1,010 1,050 1,090 1,960 1,440 790 565 507 397 543 748 1,040
3 1,030 1,040 1,050 1,840 1,440 731 486 464 380 531 972 990
4 1,010 1,020 1,040 1,880 1,340 748 379 526 396 512 898 933
5 1,030 1,000 1,040 2,020 1,310 655 419 503 401 507 789 1,030
6 1,090 991 1,170 1,960 1,250 755 458 469 461 552 749 1,130
7 1,100 1,030 1,210 1,960 1,120 829 442 494 490 571 750 1,090
8 1,070 1,020 1,200 1,870 1,080 747 523 521 476 573 787 1,080
9 1,090 984 1,320 1,770 1,130 741 519 499 510 598 964 1,040
10 1,100 957 1,280 1,860 1,090 765 443 595 459 527 897 1,040
11 1,060 991 1,220 1,940 1,110 756 441 570 471 518 735 1,000
12 1,090 1,040 1,290 2,030 1,160 750 441 547 537 504 786 1,040
13 1,050 970 1,330 1,890 1,240 712 455 533 515 527 828 1,050
14 1,040 970 1,370 1,850 1,180 734 458 513 505 540 841 1,090
15 1,050 982 1,330 1,850 1,180 693 466 492 461 705 838 1,110
16 1,010 1,010 1,340 1,990 1,080 660 587 487 486 678 884 1,030
17 976 952 1,400 2,020 1,110 668 523 480 470 721 865 1,030
18 1,000 939 1,540 1,950 1,110 708 463 505 516 678 859 1,050
19 1,100 937 1,370 1,920 1,080 665 439 528 486 652 848 1,030
20 1,050 1,010 1,340 1,940 1,040 671 456 472 559 781 920 981
21 1,010 1,070 1,420 1,850 1,020 614 444 440 683 731 894 1,090
22 1,060 1,070 1,460 1,830 1,110 595 487 473 680 673 827 1,070
23 1,070 1,010 1,390 1,940 965 598 528 459 540 668 826 1,040
24 1,080 1,080 1,400 1,860 981 611 475 426 494 806 825 1,010
25 1,170 1,220 1,460 1,780 1,020 644 436 450 499 803 870 925
26 1,120 1,140 1,570 1,700 952 608 428 466 523 743 920 990
27 1,150 1,060 1,690 1,580 871 566 460 429 535 720 962 1,070
28 1,130 1,050 1,930 1,560 815 566 478 632 548 735 962 1,040
29 1,040 985 1,740 1,620 843 555 509 598 537 720 1,020 1,050
30 995   1,710 1,470 762 623 522 486 530 772 1,040 1,060
31 1,020   1,840   730   464 437   741   1,230