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USGS Daily Statistics for the Nation

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 -> 2020-09-30)

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
1 804 773 894 1,790 1,400 716 561 322 284 347 852 928
2 758 762 889 1,930 1,280 687 536 336 232 387 804 957
3 761 779 889 2,100 1,230 723 536 344 193 401 741 959
4 757 864 883 2,170 1,190 678 500 301 192 423 698 914
5 765 899 847 2,300 1,140 702 425 301 213 428 671 867
6 725 878 845 2,380 1,070 780 393 281 237 415 664 840
7 695 853 838 2,390 1,000 847 362 275 281 387 691 841
8 645 780 813 2,360 948 847 335 251 309 344 715 872
9 639 726 897 2,270 918 835 316 242 311 354 762 873
10 671 668 969 2,150 886 751 291 249 289 365 757 939
11 699 654 969 2,100 864 728 295 253 271 408 798 998
12 734 658 1,030 2,050 875 699 250 270 265 478 754 984
13 779 697 1,120 2,050 884 697 252 279 251 514 730 957
14 777 710 1,160 2,090 934 682 284 295 234 500 739 960
15 800 712 1,130 2,030 946 586 285 294 227 441 744 981
16 765 708 1,190 1,870 944 555 268 274 207 449 743 988
17 719 703 1,340 1,910 936 535 248 246 201 516 767 944
18 696 704 1,480 1,960 943 503 235 249 194 590 807 958
19 705 690 1,480 1,850 957 471 226 289 255 591 785 893
20 699 679 1,510 1,770 988 449 213 275 252 605 753 827
21 693 691 1,540 1,780 994 450 199 252 243 633 760 795
22 697 718 1,510 1,740 938 425 211 264 238 591 775 824
23 699 721 1,510 1,610 873 443 232 260 217 532 780 871
24 686 733 1,550 1,610 842 485 270 261 231 543 739 925
25 717 826 1,620 1,680 910 455 326 254 242 557 735 938
26 786 890 1,670 1,660 1,010 458 328 236 264 549 774 942
27 850 905 1,700 1,640 1,010 444 316 202 298 588 818 973
28 842 940 1,780 1,600 931 454 297 186 347 666 844 1,020
29 854 1,020 1,840 1,590 864 512 297 228 357 760 855 1,030
30 831   1,780 1,530 832 568 322 316 356 859 901 969
31 790   1,750   761   324 322   890   873