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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 -> 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
1 223 174 284 419 319 151 97 37 58 82 159 207
2 204 168 282 362 282 184 82 47 56 76 140 200
3 186 161 293 348 246 160 75 50 62 90 183 198
4 188 159 253 374 224 138 74 74 52 84 157 177
5 203 181 220 351 213 125 65 83 47 71 138 181
6 218 173 231 330 215 129 55 79 47 62 135 200
7 192 179 451 348 200 142 56 64 81 64 132 197
8 168 184 327 361 191 241 59 82 132 63 125 276
9 160 167 270 342 202 165 73 74 109 56 115 235
10 162 156 238 323 195 132 63 88 69 54 134 278
11 177 191 317 286 184 170 69 80 70 54 138 248
12 224 215 343 262 183 201 67 64 61 63 121 209
13 277 207 355 349 182 181 63 60 91 66 135 236
14 216 204 359 353 205 283 74 60 68 97 142 281
15 206 187 332 341 208 214 61 82 54 91 126 249
16 214 202 337 417 239 159 50 102 45 84 125 204
17 204 218 302 526 243 133 50 66 39 134 149 196
18 209 194 272 373 293 127 74 63 44 99 139 193
19 236 195 263 309 245 131 81 63 51 88 127 171
20 201 207 257 304 221 118 60 49 43 90 151 154
21 168 204 237 312 182 119 46 41 40 76 139 195
22 151 199 258 284 159 107 40 51 48 66 124 237
23 154 194 284 318 150 100 73 50 47 69 150 221
24 259 240 296 285 210 92 83 40 61 70 170 228
25 326 361 262 252 193 94 83 38 70 104 184 318
26 307 407 247 263 182 107 84 46 88 127 159 290
27 244 341 251 366 164 87 83 51 74 131 208 247
28 215 315 259 292 137 125 67 176 65 144 188 244
29 184 237 330 246 130 143 60 167 81 149 155 222
30 172   506 231 147 101 45 94 78 255 196 237
31 185   499   142   42 67   189   223