Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

USGS Daily Statistics for Connecticut

Click to hide state-specific text



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 01119382 WILLIMANTIC RIVER AT MERROW RD. NEAR MERROW, CT


Tolland County, Connecticut
Hydrologic Unit Code 01100002
Latitude  41°49'26.44", Longitude  72°18'46.25" NAD83
Drainage area 96.3  square miles
Gage datum 319 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 2008-10-01 -> 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
1 231 200 279 412 317 159 122 66 73 125 168 193
2 212 194 280 365 275 172 150 65 244 106 147 186
3 196 187 313 345 246 149 162 64 141 107 179 187
4 202 209 269 381 238 136 243 79 98 116 153 177
5 212 219 235 351 221 131 173 87 78 127 135 174
6 223 198 248 314 222 124 116 83 80 104 131 185
7 204 194 470 321 201 131 111 73 100 93 128 204
8 178 211 355 343 194 202 100 88 132 97 122 263
9 170 190 289 323 200 155 203 79 124 81 112 220
10 303 174 288 302 204 127 270 87 103 74 126 255
11 241 201 335 268 188 147 147 83 93 71 129 295
12 249 221 347 274 180 167 125 69 90 75 128 240
13 325 217 351 331 174 151 120 70 121 77 142 241
14 262 209 388 322 187 231 137 66 100 109 146 266
15 231 189 359 315 188 188 126 85 74 102 129 236
16 232 202 347 379 228 140 152 101 63 92 129 209
17 230 217 310 462 227 118 187 69 55 133 148 214
18 230 221 282 348 258 113 288 99 65 102 136 309
19 241 212 270 321 226 113 204 159 80 92 126 283
20 231 207 260 306 205 102 138 121 64 96 141 204
21 192 203 240 298 191 102 105 79 55 98 130 218
22 170 200 251 269 160 100 100 86 60 89 128 244
23 187 225 294 322 150 105 108 103 62 83 149 251
24 273 253 339 300 190 93 104 93 80 82 160 252
25 351 337 301 255 172 90 103 73 96 113 168 309
26 367 370 275 253 160 95 112 72 108 147 146 286
27 295 315 265 326 150 83 104 70 87 151 188 248
28 255 305 285 268 134 111 106 164 78 152 173 257
29 232 319 344 232 166 129 101 156 125 151 145 238
30 212   470 226 167 103 113 95 157 241 179 242
31 215   457   168   83 72   201   227