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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 -> 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
1 997 1,050 1,040 1,900 1,500 810 583 481 433 559 740 1,100
2 1,010 1,060 1,080 1,950 1,450 784 566 504 395 539 754 1,040
3 1,030 1,050 1,050 1,830 1,450 726 485 461 378 527 972 994
4 1,020 1,030 1,040 1,870 1,340 743 379 527 395 507 900 941
5 1,030 1,010 1,040 2,010 1,310 651 418 504 398 501 790 1,030
6 1,090 995 1,160 1,950 1,240 749 455 467 457 546 748 1,130
7 1,090 1,020 1,210 1,940 1,120 824 439 492 485 564 750 1,090
8 1,060 1,020 1,190 1,850 1,070 742 521 519 472 567 787 1,080
9 1,100 985 1,310 1,750 1,130 736 517 497 506 593 955 1,040
10 1,100 960 1,280 1,850 1,090 759 441 591 455 521 888 1,060
11 1,060 994 1,220 1,930 1,110 751 439 567 467 513 728 1,030
12 1,110 1,040 1,290 2,010 1,160 745 440 544 532 499 779 1,050
13 1,070 973 1,340 1,890 1,240 707 452 531 510 525 824 1,060
14 1,060 972 1,370 1,870 1,180 729 455 511 500 538 837 1,120
15 1,060 984 1,320 1,860 1,170 688 464 488 456 698 830 1,140
16 1,010 1,010 1,340 1,990 1,090 655 584 483 481 673 879 1,050
17 982 955 1,390 2,020 1,110 663 520 477 466 728 861 1,050
18 1,010 940 1,520 1,940 1,110 704 461 501 510 676 855 1,060
19 1,100 940 1,370 1,910 1,080 661 437 523 480 645 845 1,030
20 1,060 1,010 1,340 1,930 1,030 667 453 468 552 772 918 984
21 1,020 1,060 1,420 1,840 1,020 610 442 438 673 723 887 1,090
22 1,060 1,070 1,450 1,830 1,100 592 485 470 671 665 819 1,070
23 1,080 1,010 1,390 1,930 959 594 528 457 534 662 820 1,030
24 1,090 1,080 1,400 1,850 975 607 473 424 489 797 822 1,020
25 1,170 1,220 1,470 1,770 1,020 640 434 447 494 793 870 993
26 1,120 1,130 1,580 1,690 945 604 427 461 517 735 923 1,020
27 1,150 1,060 1,700 1,580 866 562 457 426 529 716 966 1,090
28 1,130 1,050 1,940 1,560 810 562 476 625 542 734 968 1,050
29 1,040 993 1,770 1,610 838 552 506 592 531 722 1,020 1,060
30 999   1,730 1,470 758 619 519 483 531 776 1,030 1,070
31 1,030   1,840   726   462 434   740   1,230