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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 105 - 106 years of record in, ft3/s   (Calculation Period 1912-10-01 -> 2018-09-30)

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
1 972 1,040 1,040 1,910 1,490 819 586 485 438 560 724 1,090
2 993 1,050 1,080 1,970 1,440 793 562 509 398 534 728 1,040
3 1,030 1,040 1,050 1,850 1,440 732 486 465 379 513 912 985
4 1,010 1,020 1,030 1,890 1,340 749 379 527 393 501 865 928
5 1,020 1,000 1,030 2,030 1,300 658 419 504 397 497 766 1,030
6 1,090 987 1,160 1,970 1,250 751 458 471 458 545 717 1,130
7 1,090 1,020 1,210 1,970 1,120 820 442 497 489 564 718 1,090
8 1,060 1,000 1,200 1,870 1,080 743 525 523 476 566 766 1,080
9 1,090 973 1,330 1,760 1,130 743 522 501 511 593 946 1,040
10 1,100 949 1,280 1,860 1,090 770 444 598 460 520 872 1,040
11 1,050 985 1,230 1,950 1,110 755 441 572 467 510 715 1,000
12 1,090 1,030 1,290 2,040 1,170 747 442 551 519 494 768 1,040
13 1,050 959 1,340 1,890 1,250 713 456 535 507 519 805 1,050
14 1,040 963 1,370 1,840 1,170 736 459 515 503 533 828 1,080
15 1,050 981 1,330 1,820 1,170 696 468 492 460 699 835 1,110
16 1,000 1,000 1,350 1,970 1,080 660 590 487 485 671 881 1,030
17 971 947 1,400 2,010 1,110 662 525 480 467 715 861 1,040
18 1,000 933 1,540 1,950 1,110 704 464 505 474 672 856 1,050
19 1,090 931 1,380 1,920 1,080 664 440 528 469 647 844 1,020
20 1,050 1,010 1,350 1,920 1,040 669 458 472 554 783 916 981
21 1,010 1,060 1,430 1,830 1,030 609 446 440 677 732 890 1,050
22 1,050 1,070 1,460 1,820 1,120 591 489 465 677 672 823 1,010
23 1,070 1,010 1,400 1,930 969 594 523 452 538 667 822 1,010
24 1,060 1,070 1,410 1,850 984 608 475 420 491 810 821 994
25 1,140 1,220 1,470 1,780 1,020 641 437 449 483 803 866 916
26 1,110 1,130 1,580 1,700 955 604 429 466 504 744 915 983
27 1,130 1,050 1,700 1,560 873 561 461 426 524 719 956 1,070
28 1,120 1,050 1,950 1,550 816 564 479 628 538 736 957 1,030
29 1,030 985 1,750 1,610 843 555 508 593 529 720 1,020 1,040
30 989   1,720 1,470 762 624 522 481 522 773 1,030 1,060
31 1,010   1,840   730   465 437   739   1,220