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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 01120790 NATCHAUG RIVER AT MARCY RD. NEAR CHAPLIN, CT


Windham County, Connecticut
Hydrologic Unit Code 01100002
Latitude  41°48'58.21", Longitude  72°06'22.21" NAD83
Drainage area 66.5  square miles
Gage datum 352.86 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 2006-10-01 -> 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
1 192 137 202 301 243 112 61 49 38 77 114 162
2 180 160 216 263 196 110 123 39 257 68 104 152
3 156 138 275 251 166 96 135 38 84 82 125 146
4 159 159 214 290 158 87 118 39 52 82 107 134
5 160 159 211 287 155 84 100 44 41 98 94 129
6 172 147 251 251 177 85 71 39 47 79 95 139
7 155 158 403 267 162 89 71 44 104 70 99 147
8 152 159 314 263 143 158 71 62 137 65 93 188
9 148 137 303 233 147 99 146 50 106 54 117 146
10 264 129 270 209 165 82 257 53 84 47 111 190
11 198 148 290 186 139 96 106 46 63 47 100 260
12 213 160 275 221 121 123 90 40 59 63 94 298
13 288 179 276 260 113 105 90 39 86 55 115 241
14 211 212 305 240 122 158 88 39 73 57 116 224
15 177 158 285 227 123 117 70 70 55 58 100 184
16 179 152 253 417 164 93 87 99 46 57 111 167
17 170 163 232 397 168 80 177 54 39 82 149 174
18 156 215 204 264 167 74 169 57 59 72 124 301
19 165 200 192 236 145 79 108 81 69 65 105 221
20 163 167 200 215 129 65 72 66 46 74 104 159
21 138 144 183 228 122 69 56 44 37 72 97 167
22 127 132 186 205 112 74 53 45 34 71 98 183
23 142 157 223 265 134 72 52 49 35 59 116 204
24 198 171 269 229 119 59 99 47 51 56 162 204
25 249 244 225 181 99 52 81 34 73 62 161 287
26 270 267 200 183 98 53 73 31 152 86 133 228
27 205 229 217 228 89 59 62 32 92 89 159 196
28 179 236 217 196 83 59 61 134 76 125 139 211
29 161 221 261 194 97 60 58 115 96 138 112 195
30 144   404 173 95 49 63 59 111 171 127 194
31 146   333   104   49 40   136   181