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USGS Daily Statistics for Connecticut

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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 01186500 STILL RIVER AT ROBERTSVILLE, CT


Litchfield County, Connecticut
Hydrologic Unit Code 01080207
Latitude  41°58'04.52", Longitude  73°02'00.40" NAD83
Drainage area 85.0  square miles
Gage datum 510.24 feet above NGVD29
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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 1948-10-01 -> 2020-09-30)

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
1 208 166 194 452 238 194 98 69 55 120 131 189
2 182 197 206 444 222 182 81 62 60 116 131 206
3 174 250 196 476 220 168 76 60 56 109 195 185
4 168 215 217 501 210 158 82 67 51 101 171 172
5 183 194 216 541 195 160 83 89 44 88 183 179
6 194 172 266 472 213 225 75 66 72 93 164 182
7 170 182 302 430 213 225 65 59 84 93 159 204
8 170 168 262 379 196 190 57 51 79 98 163 199
9 202 154 277 339 200 159 54 62 66 133 184 196
10 186 152 258 381 203 150 56 92 53 113 163 208
11 193 199 290 361 225 132 53 82 67 96 162 213
12 196 190 280 324 240 132 48 81 69 103 172 223
13 192 186 291 334 246 143 58 82 65 93 167 218
14 200 184 316 332 221 172 77 86 58 96 160 232
15 190 183 301 318 200 162 67 73 54 196 161 216
16 188 191 292 435 204 148 77 59 64 211 150 187
17 167 177 280 430 206 130 59 56 81 160 172 172
18 186 181 277 347 192 115 54 106 88 129 154 182
19 193 178 288 307 198 112 45 418 93 127 131 176
20 187 207 328 315 203 94 51 105 84 198 154 157
21 177 212 330 281 188 98 64 63 73 170 182 253
22 175 218 395 256 161 98 61 59 79 134 170 222
23 190 204 356 274 152 102 57 56 78 122 173 182
24 210 229 321 274 181 108 67 50 93 152 151 199
25 263 274 320 259 200 92 57 42 109 139 170 203
26 260 257 325 241 177 88 56 39 125 135 204 195
27 277 218 364 256 158 78 68 38 153 121 206 197
28 259 207 344 246 135 88 72 127 136 139 190 186
29 204 226 385 262 159 87 69 82 147 134 193 175
30 179   432 248 195 113 74 62 122 152 186 187
31 162   478   185   65 54   148   270