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USGS Daily Statistics for New Hampshire

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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 01160350 ASHUELOT RIVER AT WEST SWANZEY, NH


Cheshire County, New Hampshire
Hydrologic Unit Code 01080201
Latitude  42°52'17", Longitude  72°19'43" NAD27
Drainage area 316  square miles
Gage datum 441.95 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
1 695 507 727 1,460 964 469 446 365 194 348 831 692
2 677 484 686 1,500 995 477 441 353 207 354 793 786
3 647 483 713 1,480 977 523 493 333 223 343 802 824
4 616 502 712 1,500 944 514 499 321 198 324 769 787
5 602 515 692 1,530 936 488 466 311 181 338 712 705
6 592 502 680 1,500 930 493 387 297 212 321 663 653
7 583 513 730 1,460 920 530 332 295 251 290 625 619
8 571 510 797 1,460 812 546 321 305 260 283 598 626
9 582 461 875 1,450 734 525 369 307 260 398 644 609
10 605 438 883 1,430 650 471 422 296 273 397 655 599
11 603 423 884 1,400 611 427 413 299 260 330 651 661
12 623 417 883 1,360 609 428 350 323 252 335 640 762
13 647 418 902 1,390 607 455 357 312 295 348 656 783
14 680 429 919 1,450 635 477 363 327 306 367 655 746
15 737 428 958 1,460 667 475 367 304 276 452 636 703
16 724 431 976 1,420 700 421 402 273 252 561 644 664
17 698 450 949 1,480 722 405 433 234 264 534 657 657
18 654 500 955 1,370 703 402 466 261 303 513 669 784
19 679 530 930 1,260 652 366 446 280 367 474 620 813
20 720 532 911 1,200 655 352 351 259 316 443 595 746
21 690 527 908 1,110 638 330 305 228 259 468 580 720
22 636 573 951 1,080 582 293 286 243 236 515 535 743
23 570 611 988 1,080 555 303 330 249 248 531 555 746
24 562 589 1,010 1,090 545 320 401 246 260 569 554 833
25 667 651 994 1,050 552 309 408 221 249 596 542 920
26 774 715 962 975 545 338 377 205 225 644 544 946
27 778 727 964 976 558 382 356 179 216 655 609 905
28 721 718 1,030 951 539 364 367 166 210 717 660 886
29 636 1,030 1,180 929 514 425 374 206 239 790 653 837
30 564   1,330 924 521 443 401 223 305 868 636 807
31 530   1,420   474   381 216   879   762