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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 01096000 SQUANNACOOK RIVER NEAR WEST GROTON, MA


Middlesex County, Massachusetts
Hydrologic Unit Code 01070004
Latitude  42°38'03", Longitude  71°39'30" NAD27
Drainage area 65.9  square miles
Contributing drainage area 63.7  square miles
Gage datum 243.50 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 1949-10-01 -> 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
1 112 114 144 360 198 119 59 42 34 40 83 118
2 117 111 145 381 189 124 61 37 31 38 82 120
3 116 122 157 371 183 119 69 32 31 37 92 122
4 117 150 157 357 175 108 57 31 28 38 106 118
5 120 148 163 366 167 100 55 31 27 43 91 114
6 114 134 166 390 155 106 55 30 24 43 87 120
7 106 124 197 338 156 123 47 28 35 46 84 126
8 105 126 198 293 148 118 42 31 37 46 89 124
9 122 113 193 261 147 101 42 33 33 47 94 119
10 148 104 204 254 149 91 43 36 31 47 96 124
11 135 115 199 272 151 90 44 36 30 41 103 134
12 129 122 209 257 160 80 41 37 56 44 102 143
13 127 117 209 254 156 79 48 37 44 45 104 146
14 131 121 235 261 161 92 50 37 34 45 107 138
15 125 117 258 244 161 99 41 34 30 64 105 151
16 114 128 247 261 152 83 38 30 27 97 97 137
17 111 130 217 308 161 82 44 29 32 66 101 130
18 103 126 221 261 144 79 40 31 39 64 101 145
19 108 136 241 230 136 70 40 35 53 57 89 160
20 113 126 248 214 135 66 40 45 38 57 85 133
21 115 124 240 203 137 65 39 34 34 97 99 119
22 113 143 249 203 132 61 40 30 33 83 103 143
23 119 153 265 209 115 65 38 30 33 64 107 128
24 127 147 260 212 108 68 40 30 37 67 103 135
25 153 167 248 212 120 62 45 28 38 70 99 150
26 161 198 257 196 129 60 34 25 46 76 111 151
27 185 175 277 199 127 60 32 23 50 71 127 138
28 193 159 280 202 110 61 37 25 46 69 118 137
29 153 181 288 208 101 64 41 30 41 77 116 129
30 131   324 203 114 62 46 29 46 88 120 119
31 118   352   116   42 29   92   115