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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 01085500 CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH


Merrimack County, New Hampshire
Hydrologic Unit Code 01070003
Latitude  43°11'34", Longitude  71°44'52" NAD27
Drainage area 427  square miles
Gage datum 355.83 feet above NGVD29
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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 1962-10-01 -> 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
1 778 770 901 1,780 1,370 719 568 326 288 343 832 907
2 726 758 896 1,920 1,250 690 542 341 235 375 775 939
3 733 776 896 2,110 1,220 722 543 349 194 368 685 925
4 736 860 890 2,180 1,180 679 507 305 194 386 631 870
5 747 892 854 2,320 1,120 705 430 306 215 400 598 823
6 703 872 853 2,410 1,060 773 398 285 240 394 591 806
7 672 842 846 2,420 993 831 366 279 285 373 616 820
8 622 766 821 2,390 943 836 339 254 312 331 637 858
9 621 707 908 2,290 915 833 319 245 315 341 704 865
10 658 647 981 2,160 882 751 293 253 293 355 713 920
11 689 636 981 2,120 859 731 298 256 274 399 716 958
12 717 647 1,040 2,070 872 696 253 273 268 452 679 941
13 741 692 1,140 2,070 883 698 254 283 254 489 670 926
14 741 705 1,180 2,100 932 683 286 300 237 481 669 919
15 777 707 1,150 2,030 937 583 288 298 230 424 674 902
16 746 704 1,200 1,870 939 554 271 278 210 435 671 901
17 705 700 1,340 1,900 935 534 251 250 204 496 697 877
18 691 703 1,480 1,960 944 496 238 252 196 558 755 909
19 701 693 1,490 1,860 960 465 228 293 259 571 754 861
20 696 681 1,530 1,780 992 445 216 278 256 592 729 803
21 692 691 1,550 1,780 999 446 201 255 247 625 741 775
22 695 718 1,530 1,720 943 419 214 266 241 584 758 782
23 698 722 1,520 1,580 877 441 232 262 220 524 769 802
24 674 734 1,560 1,580 847 485 262 264 235 536 726 853
25 671 828 1,630 1,660 918 457 316 257 246 548 695 888
26 722 892 1,680 1,650 1,020 459 323 239 268 539 725 913
27 779 910 1,720 1,600 1,020 443 316 205 304 585 768 955
28 798 947 1,800 1,540 942 455 297 188 354 651 792 1,010
29 828 1,020 1,850 1,530 868 517 299 231 364 728 806 1,020
30 813   1,790 1,480 833 574 325 320 363 826 869 956
31 778   1,760   763   328 326   865   854