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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
1 750 521 786 1,130 527 250 151 131 95 144 302 558
2 747 509 766 1,170 542 280 140 120 86 143 298 592
3 672 520 756 1,220 516 305 134 105 75 131 305 622
4 625 533 758 1,260 516 278 117 100 88 135 309 626
5 614 548 786 1,310 509 230 108 103 97 154 309 580
6 627 575 828 1,300 495 209 107 106 80 169 317 554
7 597 589 879 1,230 453 237 105 106 67 169 326 514
8 538 602 956 1,180 463 249 97 103 62 162 347 498
9 528 604 948 1,120 468 245 100 98 82 153 338 476
10 524 636 938 994 442 246 124 107 113 136 299 482
11 531 692 971 903 429 243 147 122 134 123 297 487
12 557 729 972 864 458 215 140 141 142 122 309 509
13 590 730 992 877 528 197 117 153 118 125 314 522
14 636 673 989 904 589 222 121 121 91 145 318 480
15 663 608 1,040 865 576 250 127 105 90 165 313 472
16 622 580 1,080 825 538 236 154 95 93 176 311 495
17 544 579 1,090 789 488 203 162 83 87 191 344 528
18 534 657 1,040 746 461 194 162 83 89 198 362 548
19 553 699 1,010 699 419 179 142 78 96 184 367 523
20 553 740 1,040 641 386 176 141 72 96 177 353 497
21 559 852 1,030 676 385 195 139 70 94 195 335 474
22 617 863 1,020 727 386 219 138 68 100 228 347 491
23 666 826 995 720 363 239 113 63 103 252 357 533
24 645 834 953 703 350 226 97 72 129 231 371 586
25 725 844 934 685 351 211 119 69 152 204 395 651
26 789 875 987 682 330 195 112 60 129 205 406 705
27 767 879 1,080 673 296 156 100 56 100 241 442 728
28 711 861 1,140 604 264 151 108 54 104 277 467 708
29 606 808 1,110 506 244 170 118 69 124 302 496 671
30 527   1,100 490 255 169 130 77 144 287 531 687
31 509   1,100   240   131 93   283   720