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USGS Daily Statistics for Connecticut

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NOTICE (03/30/2017) -- Data collection at the following gages may be discontinued on June 30, 2017 due to funding reductions from partner agencies. Although historic data will remain accessible, no new data will be collected unless one or more new funding partners are found. Users who can contribute funding for the non-Federal share of costs to continue operation of these streamgages should contact Jon Morrison at the USGS New England Water Science Center - Connecticut Office (860-291-6761) or email at jmorriso@usgs.gov.
  • 01191000 North Branch Park River at Hartford------52 yrs of record
  • 01208873 Rooster River at Fairfield------------------39 yrs of record
  • 01208925 Mill River near Fairfield--------------------44 yrs of record

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 65 - 66 years of record in, ft3/s   (Calculation Period 1948-10-01 -> 2017-09-30)

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
1 206 169 193 456 238 197 100 70 57 121 122 189
2 181 201 200 450 222 185 82 62 62 114 126 203
3 174 258 190 484 221 172 77 59 57 99 171 181
4 165 218 217 501 211 160 84 64 52 96 159 170
5 178 193 218 544 192 161 85 89 44 86 177 179
6 190 171 270 475 203 227 77 66 74 94 158 183
7 170 180 309 427 207 228 66 60 86 94 152 208
8 171 162 267 378 193 193 58 51 81 99 159 203
9 203 150 283 339 200 162 55 62 68 136 183 200
10 187 150 263 386 204 153 57 94 54 115 159 203
11 194 192 297 367 227 135 54 84 67 95 160 209
12 190 179 287 330 241 135 49 82 69 99 172 226
13 166 181 299 337 244 147 59 84 63 91 162 222
14 191 183 325 337 208 177 79 87 57 96 154 213
15 188 183 306 319 189 167 69 74 54 201 159 203
16 189 190 294 431 192 153 79 59 65 216 148 182
17 168 177 284 425 202 133 61 57 84 156 172 169
18 188 182 282 348 190 118 55 106 84 127 154 182
19 196 178 296 309 197 113 46 432 89 128 129 176
20 191 206 338 311 202 91 52 106 84 203 151 156
21 180 210 339 276 188 98 66 63 74 174 181 239
22 178 217 405 255 162 99 63 59 80 138 170 207
23 190 203 363 273 152 103 55 55 80 125 175 175
24 197 225 329 276 182 110 66 50 95 155 148 195
25 250 265 327 261 203 93 55 42 107 142 163 203
26 253 246 333 238 178 90 50 39 117 137 200 197
27 277 214 373 243 159 79 66 39 141 121 196 200
28 261 204 351 241 136 86 71 132 131 137 184 186
29 205 226 390 262 160 86 70 84 146 127 192 175
30 180   436 247 198 114 76 64 126 121 186 184
31 164   482   188   67 55   135   274