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USGS Daily Statistics for Vermont

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To view real-time groundwater levels in New Hampshire. click here

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 01072800 COCHECO RIVER NEAR ROCHESTER, NH


Strafford County, New Hampshire
Hydrologic Unit Code 01060003
Latitude  43°16'06", Longitude  70°58'27" NAD27
Drainage area 79.9  square miles
Gage datum 118.77 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 1994-10-01 -> 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
1 160 127 200 403 277 97 74 64 30 53 158 180
2 160 117 201 412 263 95 87 55 32 48 135 218
3 149 125 206 416 233 119 107 50 31 54 149 215
4 140 146 202 417 215 128 108 50 25 53 142 175
5 143 151 194 400 206 119 91 46 23 50 117 145
6 141 152 179 368 202 112 73 41 24 44 110 136
7 138 131 200 361 199 115 55 46 72 39 113 139
8 135 119 245 354 178 133 52 63 75 40 110 150
9 143 112 260 335 164 121 59 75 50 65 125 146
10 163 108 300 319 171 104 62 51 53 79 145 142
11 202 111 278 309 182 104 56 43 49 66 144 170
12 182 118 248 307 167 104 51 46 50 70 132 228
13 205 123 239 338 160 107 64 57 49 61 143 231
14 226 125 249 345 282 183 91 65 45 58 161 206
15 200 122 318 314 306 187 82 53 37 114 180 198
16 172 117 293 395 246 149 72 42 35 164 179 161
17 162 119 264 522 213 146 75 42 57 111 174 156
18 149 133 262 389 175 126 66 39 61 89 172 233
19 163 149 254 346 169 98 64 36 72 76 133 298
20 169 145 246 292 166 91 56 35 59 80 124 204
21 163 135 247 266 151 78 50 34 41 134 122 176
22 142 157 260 271 133 68 46 42 35 175 119 183
23 126 178 293 266 130 69 50 41 34 145 136 203
24 129 180 291 272 149 71 70 37 35 129 125 256
25 171 222 265 246 173 71 83 34 34 124 124 214
26 195 299 254 222 164 79 58 35 37 144 164 227
27 193 239 274 253 154 78 47 31 43 140 177 208
28 214 214 310 256 132 82 45 30 47 136 185 211
29 185 270 390 240 122 90 48 48 52 172 173 197
30 147   423 237 108 86 68 50 52 177 162 189
31 133   466   97   67 38   194   173