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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 01183500 WESTFIELD RIVER NEAR WESTFIELD, MA


Hampden County, Massachusetts
Hydrologic Unit Code 01080206
Latitude  42°06'24", Longitude  72°41'58" NAD27
Drainage area 497  square miles
Contributing drainage area 497  square miles
Gage datum 97.52 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 1913-10-01 -> 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
1 894 820 1,040 2,520 1,570 967 580 384 323 611 659 1,070
2 879 802 1,030 2,540 1,480 945 516 371 342 509 684 1,040
3 909 853 1,010 2,570 1,430 894 481 381 343 477 872 933
4 907 858 1,050 2,650 1,400 856 461 394 360 454 1,070 904
5 876 857 1,050 2,850 1,330 830 456 444 329 417 822 955
6 888 802 1,210 2,860 1,250 986 450 372 342 424 764 1,020
7 938 850 1,320 2,900 1,180 998 413 371 393 460 743 991
8 939 879 1,280 2,620 1,120 943 391 416 364 448 744 1,000
9 937 800 1,420 2,440 1,170 956 444 436 379 514 888 978
10 947 750 1,430 2,370 1,210 1,030 382 418 410 461 864 1,030
11 926 797 1,400 2,370 1,300 883 371 415 391 450 780 1,000
12 919 899 1,570 2,510 1,300 843 360 469 387 473 769 1,030
13 901 816 1,600 2,400 1,280 871 380 433 391 495 803 1,020
14 880 829 1,670 2,340 1,260 888 413 437 401 457 892 1,090
15 884 897 1,670 2,250 1,300 871 392 396 378 677 791 1,080
16 861 897 1,620 2,340 1,180 814 427 352 483 708 775 931
17 811 852 1,700 2,340 1,240 752 385 348 489 632 849 899
18 782 835 1,940 2,200 1,250 736 358 426 437 585 847 945
19 905 811 1,830 2,190 1,300 713 349 673 472 561 785 949
20 866 853 1,820 2,190 1,210 658 373 399 518 698 867 912
21 819 918 1,900 2,080 1,140 607 381 335 619 706 870 977
22 859 1,030 2,130 2,050 1,200 607 399 352 620 598 850 909
23 936 1,010 1,920 2,070 1,100 570 468 353 426 622 912 889
24 913 1,030 1,900 1,950 1,110 615 487 355 409 832 830 932
25 1,180 1,250 1,970 1,950 1,110 556 400 342 421 760 865 1,000
26 1,160 1,250 2,050 1,880 1,090 563 370 411 471 718 914 1,010
27 1,130 1,170 2,140 1,790 1,030 567 376 326 498 643 961 998
28 1,080 1,130 2,250 1,700 931 577 443 406 472 666 920 972
29 916 1,120 2,190 1,670 932 560 448 397 549 683 1,020 934
30 870   2,250 1,540 959 624 431 403 553 714 996 967
31 846   2,390   917   411 378   722   1,090