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USGS Daily Statistics for the Nation

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
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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 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
1 231 200 279 412 325 163 123 66 73 125 168 193
2 212 194 280 365 282 177 156 66 244 106 147 186
3 196 187 313 345 252 154 170 65 141 107 179 187
4 202 209 269 381 243 141 257 81 98 116 153 177
5 212 219 235 351 226 135 179 87 78 127 135 174
6 223 198 248 314 220 128 115 83 80 104 131 185
7 204 194 470 321 201 135 110 73 100 93 128 204
8 178 211 355 343 191 211 102 88 132 97 122 263
9 170 190 289 322 196 161 213 79 124 81 112 220
10 303 174 288 302 204 130 285 87 103 74 126 255
11 241 201 335 266 189 153 155 83 93 71 129 295
12 249 221 347 245 182 174 131 69 90 75 128 240
13 325 217 351 310 176 158 125 70 121 77 142 241
14 262 209 388 312 191 244 143 66 100 109 146 266
15 231 189 359 309 192 196 132 85 74 102 129 236
16 232 202 347 381 215 146 160 101 63 92 129 209
17 230 217 310 473 219 122 197 69 55 133 148 214
18 230 221 282 346 255 118 304 99 65 102 136 309
19 241 212 270 315 216 118 215 159 80 92 126 283
20 231 207 260 302 202 106 145 121 64 96 141 204
21 192 203 240 296 190 106 110 79 55 98 130 218
22 170 200 251 268 159 96 105 86 60 89 128 244
23 187 225 294 327 148 91 113 103 62 83 149 251
24 273 253 339 304 190 87 108 93 80 82 160 252
25 351 337 301 257 174 89 106 73 96 113 168 309
26 367 370 275 256 162 97 116 72 108 147 146 286
27 295 315 265 335 151 82 109 70 87 151 188 248
28 255 305 285 272 132 114 111 164 78 152 173 257
29 232 319 344 232 168 134 99 156 125 151 145 238
30 212   470 227 168 103 111 95 157 241 179 242
31 215   457   170   83 72   201   227