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USGS 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 01119500 WILLIMANTIC RIVER NEAR COVENTRY, CT


Tolland County, Connecticut
Hydrologic Unit Code 01100002
Latitude  41°45'02", Longitude  72°15'58" NAD27
Drainage area 121  square miles
Gage datum 239.05 feet above NGVD29
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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 1931-10-01 -> 2021-09-30)

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
1 247 231 288 518 307 267 135 79 64 106 148 231
2 260 254 281 493 296 263 114 72 62 107 146 243
3 265 313 319 512 291 249 105 72 58 102 169 234
4 265 302 328 485 306 228 92 69 64 96 164 219
5 264 267 332 490 284 233 95 73 64 87 164 234
6 246 242 381 484 277 269 97 73 63 88 161 247
7 257 246 415 461 276 245 100 77 99 97 159 263
8 269 273 364 422 268 230 94 87 85 90 159 253
9 262 244 382 402 270 206 92 79 83 107 176 244
10 261 240 366 399 283 195 85 86 74 104 183 251
11 249 232 368 391 289 180 86 100 78 98 183 255
12 245 246 425 377 281 180 83 97 94 97 180 283
13 236 241 407 414 272 190 86 105 85 96 197 270
14 246 258 397 409 265 209 95 100 73 108 198 264
15 266 264 404 388 255 187 90 83 82 208 194 262
16 253 286 409 446 252 172 84 80 83 160 176 242
17 226 268 420 470 259 171 75 73 85 147 189 249
18 225 261 448 403 270 166 76 87 107 134 182 268
19 245 264 450 377 266 173 77 221 115 128 165 245
20 252 267 438 375 256 160 80 159 120 147 176 239
21 249 267 436 350 244 150 90 106 225 164 194 273
22 249 271 515 347 228 140 93 90 176 134 190 291
23 252 262 482 351 214 139 96 79 117 120 200 254
24 285 277 434 346 231 145 128 73 101 129 195 248
25 388 315 418 346 242 164 110 66 94 142 207 240
26 389 337 395 332 244 149 92 73 103 147 222 247
27 355 307 420 351 232 130 87 73 126 139 231 256
28 347 287 427 336 215 134 86 97 116 146 222 235
29 286 269 438 326 204 132 92 88 120 147 267 231
30 257   479 305 222 136 90 71 114 159 243 242
31 236   501   241   80 70   153   243