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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
1 704 515 572 2,590 3,040 880 729 337 285 468 861 1,350
2 654 476 590 2,740 2,990 932 789 320 240 459 968 1,280
3 625 469 589 2,990 2,790 1,080 678 312 264 393 1,090 1,080
4 584 577 615 3,160 2,880 1,080 692 309 269 360 1,220 947
5 543 572 662 2,870 2,610 921 666 350 255 377 899 894
6 541 617 683 2,910 2,350 820 598 334 259 337 955 904
7 577 536 818 3,110 2,280 817 478 340 246 466 940 1,030
8 535 527 851 3,130 2,130 770 451 373 229 561 1,060 1,030
9 559 503 817 3,010 2,040 813 444 467 223 532 1,150 992
10 743 482 929 3,010 2,030 836 446 397 268 617 1,130 1,050
11 750 532 937 3,060 1,870 924 506 457 276 451 1,070 1,080
12 613 582 952 3,280 1,970 826 472 386 399 402 982 1,150
13 633 530 1,130 3,590 2,240 771 444 322 313 436 973 1,120
14 636 497 1,110 3,690 1,970 908 559 368 327 429 946 1,000
15 690 506 1,200 3,710 1,840 1,020 454 334 290 580 1,100 1,020
16 628 461 1,140 3,800 1,840 985 427 315 250 761 1,110 829
17 610 461 1,210 4,150 1,740 1,000 463 307 429 751 1,100 746
18 590 477 1,380 4,260 1,690 996 380 275 401 727 966 1,260
19 644 444 1,480 3,950 1,550 878 372 251 375 567 843 1,370
20 654 432 1,470 3,880 1,560 808 364 309 322 534 967 852
21 609 431 1,340 3,950 1,580 749 351 248 316 793 1,030 887
22 559 448 1,360 3,960 1,480 740 320 253 318 769 911 1,060
23 509 497 1,430 3,920 1,290 706 332 246 286 707 899 849
24 502 527 1,490 3,900 1,270 635 388 226 264 989 837 1,010
25 561 552 1,540 3,610 1,290 608 438 225 253 1,110 878 1,060
26 776 610 1,740 3,320 1,290 656 335 252 242 960 1,130 1,050
27 688 623 1,980 3,230 1,320 866 305 227 304 828 1,190 909
28 758 584 2,180 3,360 1,210 799 294 234 301 868 1,080 937
29 629 617 2,410 3,170 1,100 857 356 371 310 1,140 1,280 894
30 560   2,410 3,030 991 834 348 282 329 1,090 1,190 760
31 519   2,570   922   327 250   1,010   728