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USGS Daily Statistics for Vermont

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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 01153550 WILLIAMS RIVER NEAR ROCKINGHAM VT


Windham County, Vermont
Hydrologic Unit Code 01080107
Latitude  43°11'30", Longitude  72°29'08" NAD27
Drainage area 112  square miles
Gage datum 303.26 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 1986-10-01 -> 2025-09-30)

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
1 212 142 183 718 448 177 103 100 43 111 181 294
2 201 148 207 678 392 173 118 102 56 87 218 299
3 175 157 202 730 371 188 146 90 49 79 215 266
4 181 163 206 771 323 165 114 104 49 147 163 231
5 199 188 192 762 360 140 89 77 55 110 160 217
6 202 166 210 723 390 228 76 77 85 123 179 202
7 184 152 313 787 302 250 66 95 101 112 159 199
8 237 143 283 678 264 205 79 73 95 120 142 191
9 214 132 317 615 275 160 84 63 98 141 217 163
10 210 142 312 608 324 172 255 65 60 82 235 205
11 203 143 386 669 295 176 127 67 54 85 181 260
12 225 136 308 697 312 205 100 88 51 96 213 273
13 241 137 330 677 313 188 146 86 66 83 193 247
14 234 136 334 690 401 251 108 88 76 117 189 217
15 196 124 342 589 314 174 87 71 51 212 196 200
16 169 130 358 691 279 164 111 67 70 144 191 183
17 158 146 457 686 289 145 91 56 102 141 237 234
18 193 157 396 545 241 128 99 89 82 125 184 365
19 215 141 398 498 270 138 100 74 73 104 152 225
20 205 136 393 481 291 113 74 64 84 151 183 179
21 169 171 356 529 224 97 80 60 65 243 173 228
22 153 232 392 531 202 95 89 68 55 161 161 271
23 153 274 397 546 205 147 101 54 68 153 204 316
24 193 225 338 525 224 107 100 50 70 175 161 351
25 213 294 366 378 217 93 75 47 68 198 179 415
26 225 237 405 374 217 102 67 42 60 209 198 280
27 222 200 523 401 195 101 65 38 61 184 260 235
28 194 207 664 427 191 136 106 222 88 262 241 230
29 150 266 754 421 167 135 99 108 115 264 239 216
30 144   787 382 159 120 110 68 122 257 266 218
31 149   839   192   112 49   210   199