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USGS Daily Statistics for New York

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 04218000 TONAWANDA CREEK AT RAPIDS NY


Niagara County, New York
Hydrologic Unit Code 04120104
Latitude  43°05'36.6", Longitude  78°38'10.2" NAD83
Drainage area 349  square miles
Contributing drainage area 349  square miles
Gage datum 570.70 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 1954-10-01 -> 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
1 739 527 766 1,140 526 250 151 131 95 144 307 564
2 739 515 744 1,180 540 281 140 120 86 143 303 600
3 667 525 736 1,220 505 307 134 105 75 131 310 631
4 624 537 747 1,260 497 280 117 100 88 135 314 635
5 617 552 777 1,310 489 232 108 103 97 154 314 588
6 631 579 803 1,300 474 211 107 106 80 169 322 561
7 602 593 849 1,240 425 238 106 106 67 172 331 521
8 543 608 920 1,190 422 244 98 103 62 164 352 504
9 534 610 928 1,130 432 243 100 98 82 155 344 481
10 530 644 935 1,000 427 244 125 107 113 138 304 482
11 537 701 973 913 424 238 149 122 134 125 302 476
12 564 739 973 872 457 211 142 141 142 123 313 491
13 598 740 992 885 531 197 118 153 118 127 318 504
14 644 682 993 913 594 223 123 121 91 147 322 473
15 673 614 1,050 875 581 252 128 105 90 167 317 469
16 631 586 1,080 834 543 238 156 95 93 175 316 495
17 551 585 1,100 798 492 205 165 83 87 191 349 527
18 541 663 1,040 754 462 196 164 83 89 200 368 539
19 560 705 1,010 706 420 180 143 78 96 186 373 500
20 561 748 1,040 646 387 178 143 72 96 178 358 473
21 566 863 1,040 672 388 197 141 70 94 197 340 463
22 625 874 1,040 722 389 221 140 68 100 231 352 490
23 676 837 1,010 715 359 242 114 63 103 255 362 536
24 654 844 965 699 341 228 98 72 129 235 371 591
25 735 854 945 688 343 214 120 69 152 207 396 657
26 801 880 999 685 322 198 114 60 129 208 409 713
27 779 875 1,090 675 291 158 102 56 100 245 446 736
28 722 848 1,150 603 261 152 108 54 104 281 471 715
29 614 808 1,120 506 243 166 118 69 124 306 501 674
30 534   1,110 492 255 167 130 77 144 291 537 677
31 516   1,120   239   131 93   287   708