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USGS Daily Statistics for Connecticut

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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 01188090 FARMINGTON RIVER AT UNIONVILLE, CT


Hartford County, Connecticut
Hydrologic Unit Code 01080207
Latitude  41°45'19.97", Longitude  72°53'13.35" NAD83
Drainage area 378  square miles
Gage datum 117.27 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 1977-10-01 -> 2023-09-30)

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
1 689 673 692 1,330 947 729 488 430 396 513 540 751
2 693 681 718 1,300 874 713 482 427 572 501 559 825
3 655 764 713 1,300 863 722 473 455 454 486 631 764
4 656 734 747 1,410 838 700 444 446 408 489 576 715
5 739 713 733 1,560 806 757 431 416 369 482 572 702
6 724 657 865 1,400 849 1,040 408 394 400 487 602 682
7 690 651 1,050 1,270 848 1,020 405 398 462 450 571 694
8 717 611 927 1,260 767 914 413 388 488 391 583 703
9 797 571 1,010 1,170 718 827 430 422 444 481 688 649
10 714 560 919 1,280 704 750 424 441 402 427 652 693
11 723 593 1,030 1,260 800 701 397 426 365 408 635 702
12 748 629 1,020 1,200 817 703 411 478 373 458 690 786
13 749 651 964 1,230 826 752 447 445 406 452 666 771
14 766 658 980 1,210 769 839 468 425 399 465 634 786
15 735 628 988 1,170 735 773 460 417 396 619 622 750
16 701 636 923 1,510 764 704 473 387 433 488 630 720
17 672 631 861 1,470 827 695 413 378 474 478 713 740
18 707 664 876 1,240 770 684 428 446 488 468 673 770
19 798 645 1,050 1,180 770 689 409 447 471 459 607 721
20 783 670 1,070 1,210 794 631 408 395 397 666 650 660
21 724 704 1,070 1,100 724 580 393 389 365 616 672 721
22 667 691 1,450 1,050 680 522 410 413 378 537 633 730
23 680 683 1,180 1,110 655 539 414 448 413 495 678 724
24 795 767 1,050 1,180 739 556 413 444 430 565 631 813
25 942 856 1,040 1,080 778 531 393 416 422 543 632 940
26 959 819 995 1,000 717 520 399 392 429 543 646 835
27 926 735 1,100 1,080 701 494 417 380 469 530 748 780
28 869 717 1,130 993 650 513 437 692 518 623 706 738
29 752 892 1,190 964 726 495 413 544 558 655 705 709
30 715   1,280 915 861 496 387 444 505 692 678 714
31 696   1,340   853   402 395   590   698