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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 01048000 Sandy River near Mercer, Maine


Somerset County, Maine
Hydrologic Unit Code 01030003
Latitude  44°42'29", Longitude  69°56'15" NAD83
Drainage area 516  square miles
Contributing drainage area 516  square miles
Gage datum 195.79 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 1928-10-01 -> 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
1 677 519 576 2,590 3,040 880 729 337 285 468 861 1,360
2 630 479 594 2,740 2,990 932 789 320 240 459 968 1,290
3 610 472 594 2,990 2,790 1,080 678 312 264 393 1,090 1,090
4 575 581 620 3,160 2,880 1,080 692 309 269 360 1,220 955
5 537 576 667 2,870 2,610 921 666 350 255 377 899 901
6 538 621 683 2,910 2,350 820 598 334 259 337 955 911
7 575 540 801 3,110 2,280 817 478 340 246 466 940 1,030
8 534 530 831 3,130 2,130 770 451 373 229 561 1,060 1,040
9 559 506 803 3,010 2,040 813 444 467 223 532 1,150 1,000
10 746 484 921 3,010 2,030 836 446 397 268 617 1,130 1,060
11 753 535 933 3,060 1,870 924 506 457 276 451 1,070 1,080
12 615 586 951 3,280 1,970 826 472 386 399 402 982 1,090
13 635 534 1,130 3,590 2,240 771 444 322 313 436 973 1,090
14 639 500 1,110 3,690 1,970 908 559 368 327 429 956 988
15 693 509 1,200 3,710 1,840 1,020 454 334 290 580 1,110 1,020
16 631 464 1,140 3,800 1,840 985 427 315 250 761 1,120 827
17 613 464 1,210 4,150 1,740 1,000 463 307 429 751 1,110 740
18 592 480 1,380 4,260 1,690 996 380 275 401 727 976 1,250
19 647 447 1,480 3,950 1,550 878 372 251 375 567 852 1,360
20 658 435 1,470 3,880 1,560 808 364 309 322 534 976 843
21 612 434 1,340 3,950 1,580 749 351 248 316 793 1,040 884
22 562 451 1,360 3,960 1,480 740 320 253 318 769 920 1,060
23 512 501 1,430 3,920 1,290 706 332 246 286 707 898 851
24 504 531 1,490 3,900 1,270 635 388 226 264 989 832 1,010
25 564 556 1,540 3,610 1,290 608 438 225 253 1,110 880 1,070
26 782 615 1,740 3,320 1,290 656 335 252 242 960 1,130 1,060
27 693 628 1,980 3,230 1,320 866 305 227 304 828 1,190 912
28 764 588 2,180 3,360 1,210 799 294 234 301 868 1,090 940
29 634 617 2,410 3,170 1,100 857 356 371 310 1,140 1,290 897
30 564   2,410 3,030 991 834 348 282 329 1,090 1,200 756
31 523   2,570   922   327 250   1,010   680