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USGS Surface-Water 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 04221000 GENESEE RIVER AT WELLSVILLE NY


Allegany County, New York
Hydrologic Unit Code 04130002
Latitude  42°07'20", Longitude  77°57'26" NAD83
Drainage area 288  square miles
Contributing drainage area 288  square miles
Gage datum 1,469.51 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 1972-10-01 -> 2024-09-30)

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
1 531 365 521 1,080 530 251 233 194 87 198 367 625
2 534 399 501 1,060 533 245 213 150 136 178 335 530
3 446 402 584 981 495 257 196 141 144 183 306 479
4 503 342 673 1,070 480 271 182 143 118 185 266 453
5 465 388 704 1,150 451 338 176 141 97 190 274 424
6 420 429 755 931 454 453 160 161 104 230 287 502
7 370 377 648 934 426 310 197 155 85 218 260 450
8 445 396 692 937 399 241 254 146 83 181 318 406
9 459 339 655 846 435 262 187 133 192 193 339 396
10 415 356 623 868 477 211 152 168 170 174 332 445
11 423 353 731 831 580 188 127 144 120 187 329 477
12 554 418 736 784 662 222 150 181 153 177 338 460
13 614 363 754 834 553 253 145 157 213 148 313 460
14 614 413 854 793 573 350 142 238 223 157 287 497
15 467 417 997 762 558 297 141 167 137 161 296 517
16 401 435 742 777 597 317 141 127 133 172 356 449
17 359 486 754 796 490 309 217 112 164 167 407 440
18 390 598 776 625 433 259 221 197 292 230 359 486
19 609 519 740 592 472 241 145 269 197 253 358 419
20 598 554 787 609 418 324 137 148 179 312 399 392
21 434 568 855 579 453 429 171 198 138 400 336 476
22 358 576 859 534 382 271 252 178 193 278 320 511
23 389 597 784 539 377 220 223 136 222 244 358 548
24 470 703 772 553 365 203 257 107 160 246 315 581
25 608 711 783 558 306 203 215 99 270 264 325 597
26 549 544 826 577 295 246 161 90 294 259 439 507
27 501 577 772 534 258 226 176 91 210 375 495 549
28 415 589 793 504 290 247 159 96 234 426 534 522
29 394 576 870 535 320 284 145 118 206 330 513 474
30 398   923 559 290 262 131 125 280 430 505 546
31 412   990   237   155 109   331   532