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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 -> 2023-09-30)

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
1 999 1,050 1,040 1,910 1,500 801 578 488 436 559 754 1,110
2 1,010 1,050 1,090 1,950 1,440 776 567 506 413 537 763 1,040
3 1,040 1,040 1,050 1,830 1,440 719 488 464 387 526 975 998
4 1,020 1,030 1,040 1,870 1,330 734 382 531 400 513 899 950
5 1,040 1,010 1,040 2,000 1,310 643 421 505 402 516 790 1,040
6 1,090 996 1,170 1,940 1,250 740 461 468 459 554 748 1,130
7 1,100 1,030 1,210 1,940 1,120 813 447 493 484 569 750 1,100
8 1,070 1,020 1,210 1,870 1,070 732 538 518 472 571 786 1,080
9 1,100 981 1,320 1,770 1,120 731 564 498 516 595 950 1,040
10 1,100 956 1,280 1,860 1,080 753 464 590 463 524 888 1,060
11 1,060 991 1,230 1,930 1,100 743 450 565 474 516 731 1,030
12 1,110 1,040 1,290 2,010 1,150 736 479 542 535 502 782 1,060
13 1,070 974 1,340 1,880 1,230 699 495 531 517 527 831 1,060
14 1,060 973 1,370 1,850 1,160 721 478 510 508 547 841 1,120
15 1,060 985 1,330 1,840 1,160 680 480 489 463 703 833 1,140
16 1,010 1,010 1,340 1,970 1,070 647 593 482 488 673 882 1,050
17 984 956 1,390 2,000 1,100 655 535 475 470 731 866 1,050
18 1,010 949 1,530 1,930 1,090 696 493 500 513 674 858 1,060
19 1,100 945 1,380 1,900 1,070 654 461 521 478 641 846 1,030
20 1,060 1,020 1,350 1,910 1,020 661 469 468 555 766 916 987
21 1,020 1,070 1,420 1,830 1,010 607 463 445 675 717 887 1,090
22 1,060 1,070 1,460 1,810 1,090 587 496 477 674 667 820 1,070
23 1,080 1,030 1,400 1,910 949 589 536 478 537 664 821 1,030
24 1,090 1,090 1,410 1,830 962 602 482 447 499 796 822 1,020
25 1,170 1,230 1,470 1,750 1,000 634 441 454 503 795 865 996
26 1,120 1,140 1,580 1,670 934 600 434 466 519 745 917 1,030
27 1,150 1,070 1,690 1,560 856 556 461 427 529 729 957 1,090
28 1,130 1,050 1,930 1,540 802 557 479 622 541 740 968 1,050
29 1,040 993 1,760 1,600 830 548 508 591 531 726 1,030 1,060
30 1,000   1,720 1,480 750 614 528 482 531 783 1,040 1,070
31 1,020   1,840   723   471 434   770   1,230