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USGS Daily Statistics for the Nation

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
1 190 140 205 308 251 107 61 49 38 77 114 169
2 180 165 221 270 202 108 123 39 257 68 104 159
3 157 143 284 254 170 95 135 38 84 82 125 152
4 162 166 220 295 161 87 118 39 52 82 107 141
5 164 165 218 294 149 84 100 44 41 98 94 135
6 177 153 222 250 151 85 71 39 47 79 95 145
7 160 164 403 269 138 89 71 44 104 70 99 153
8 157 166 317 266 132 158 71 62 137 65 93 197
9 153 143 309 236 134 99 146 50 106 54 117 153
10 275 134 276 212 142 82 257 53 84 47 111 197
11 206 154 297 189 125 96 106 46 63 47 100 262
12 222 167 282 219 112 123 90 40 59 63 94 285
13 301 187 284 260 108 105 90 39 86 55 115 243
14 220 221 315 242 120 158 88 39 73 57 116 230
15 184 164 295 230 113 117 70 70 55 58 100 187
16 186 156 261 431 153 93 87 99 46 57 111 171
17 178 163 222 412 163 80 177 54 39 82 149 176
18 163 220 196 271 164 74 169 57 59 72 131 311
19 171 207 190 242 144 79 108 81 69 65 111 223
20 169 173 201 221 129 65 72 66 46 74 109 160
21 143 149 184 236 122 69 56 44 37 72 101 171
22 132 137 189 210 102 74 53 45 34 71 100 189
23 148 163 229 273 91 72 52 49 35 59 120 211
24 207 177 276 236 97 59 99 47 51 56 169 211
25 261 254 225 186 85 52 81 34 73 62 168 300
26 283 276 201 184 90 53 73 31 152 86 138 237
27 214 234 221 228 83 59 62 32 92 89 167 203
28 188 239 222 199 79 59 61 134 76 125 145 220
29 168 221 270 198 94 60 58 115 96 138 116 202
30 150   421 177 93 49 63 59 111 171 132 196
31 153   346   99   49 40   136   182