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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 01198125 HOUSATONIC RIVER NEAR ASHLEY FALLS, MA


Berkshire County, Massachusetts
Hydrologic Unit Code 011000050204
Latitude  42°04'29", Longitude  73°20'02" NAD27
Drainage area 465.0  square miles
Contributing drainage area 465.0  square miles
Gage datum 635.65 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 1993-10-01 -> 2025-09-30)

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 1,190 1,050 1,140 1,820 1,290 796 600 839 593 738 990 962
2 1,180 1,010 1,060 1,830 1,380 746 655 745 578 738 939 1,070
3 1,140 929 1,030 1,780 1,320 708 789 660 598 686 961 1,090
4 1,060 914 987 1,800 1,230 669 825 572 536 641 988 1,070
5 1,040 946 999 1,860 1,210 645 779 503 449 659 947 995
6 1,030 951 1,160 1,830 1,280 632 667 465 509 679 873 962
7 1,040 994 1,440 1,760 1,270 639 560 434 719 668 824 981
8 993 1,050 1,670 1,790 1,200 683 550 424 824 648 802 1,030
9 941 994 1,910 1,770 1,120 743 578 413 840 578 767 1,030
10 1,020 904 1,900 1,700 1,100 751 700 445 792 504 727 1,130
11 1,090 855 1,770 1,630 1,100 716 793 433 672 457 700 1,290
12 1,140 895 1,720 1,580 1,060 748 770 416 558 470 744 1,460
13 1,300 916 1,690 1,610 1,040 768 761 466 481 447 863 1,580
14 1,410 1,010 1,650 1,700 1,030 819 884 478 442 444 913 1,480
15 1,350 970 1,630 1,700 998 922 926 439 399 475 908 1,390
16 1,210 908 1,610 1,710 1,000 937 944 446 365 515 913 1,290
17 1,100 904 1,570 1,830 1,050 878 975 405 344 590 903 1,230
18 1,030 959 1,510 1,820 1,040 800 947 425 372 678 860 1,220
19 1,050 1,060 1,480 1,660 956 756 882 501 499 640 808 1,310
20 1,190 1,030 1,520 1,520 892 722 835 506 501 602 802 1,250
21 1,280 993 1,520 1,420 844 712 739 450 420 626 801 1,170
22 1,230 978 1,430 1,310 801 747 656 448 364 717 757 1,200
23 1,150 1,020 1,380 1,250 762 717 596 579 417 737 760 1,240
24 1,150 1,050 1,470 1,260 744 686 628 626 499 729 785 1,390
25 1,310 1,170 1,530 1,200 725 634 659 566 552 706 816 1,540
26 1,500 1,360 1,450 1,110 710 658 632 510 547 752 826 1,580
27 1,520 1,370 1,370 1,130 689 748 619 442 552 793 873 1,450
28 1,500 1,300 1,350 1,160 660 739 690 492 562 871 951 1,380
29 1,340 1,610 1,450 1,160 660 709 774 741 587 982 948 1,320
30 1,170   1,640 1,190 756 633 806 790 683 1,050 893 1,290
31 1,080   1,760   802   877 720   1,060   1,260