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USGS Surface-Water Daily Statistics for Connecticut

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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 01122000 NATCHAUG RIVER AT WILLIMANTIC, CT


Windham County, Connecticut
Hydrologic Unit Code 01100002
Latitude  41°43'12.36", Longitude  72°11'44.07" NAD83
Drainage area 174  square miles
Gage datum 149.30 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 1930-10-01 -> 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
1 362 410 483 655 454 303 153 106 104 164 220 361
2 380 395 459 705 424 307 155 97 96 150 212 358
3 366 382 444 716 404 321 160 89 92 142 217 355
4 376 386 450 692 438 320 160 86 98 134 226 332
5 355 392 488 682 415 308 155 79 101 118 206 331
6 355 383 529 718 385 280 149 72 99 122 220 336
7 392 399 522 745 374 255 136 79 107 130 231 365
8 411 453 517 694 375 269 120 91 113 124 246 380
9 391 390 568 659 375 301 121 94 117 122 239 362
10 408 353 567 619 386 313 113 98 116 132 248 350
11 390 333 537 572 388 304 128 112 104 134 268 364
12 353 340 635 549 383 293 136 106 93 142 250 370
13 327 342 627 589 389 278 137 111 115 140 263 370
14 348 349 609 578 380 264 137 116 142 128 293 395
15 399 393 641 572 363 287 148 112 152 120 292 395
16 419 432 655 561 344 272 137 110 140 125 273 396
17 388 420 674 575 341 246 129 120 125 162 266 402
18 360 413 660 588 356 267 115 122 136 213 260 400
19 357 405 645 586 348 262 111 111 156 223 245 385
20 354 395 620 543 336 259 115 109 184 220 246 387
21 355 385 657 524 334 214 124 106 331 233 268 399
22 347 386 648 501 317 189 152 89 212 207 281 378
23 377 396 691 476 300 176 157 98 145 182 279 360
24 391 391 703 467 287 172 199 115 122 188 274 353
25 431 419 655 508 298 184 155 108 117 191 283 355
26 482 437 606 523 305 171 130 110 129 197 310 367
27 489 472 602 503 298 168 114 110 150 191 314 400
28 479 477 623 486 306 169 104 121 158 200 310 401
29 475 381 619 485 291 161 108 119 153 197 387 406
30 460   591 466 283 155 106 123 162 218 368 399
31 434   600   279   105 113   225   389