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USGS Daily Statistics for Maine

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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 01069500 Mousam River near West Kennebunk, Maine


York County, Maine
Hydrologic Unit Code 01060003
Latitude  43°25'06", Longitude  70°39'30" NAD83
Drainage area 98.8  square miles
Contributing drainage area 98.8  square miles
Gage datum 164.48 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 1939-10-01 -> 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
1 201 179 241 492 342 202 116 77 57 84 145 223
2 210 178 235 519 335 197 106 69 60 91 136 233
3 199 182 233 555 320 222 101 73 61 87 157 222
4 189 191 239 575 321 212 91 77 60 94 170 203
5 187 186 241 563 306 196 97 72 58 86 163 206
6 187 182 236 595 285 183 96 70 52 85 148 206
7 183 180 247 557 270 173 93 65 51 113 146 227
8 171 194 258 515 258 166 95 63 52 107 171 226
9 176 189 271 491 276 158 88 60 59 87 172 230
10 212 176 278 482 282 143 90 66 64 89 165 230
11 214 189 280 496 269 132 84 72 74 87 158 227
12 206 193 293 478 264 130 82 64 102 89 164 242
13 205 177 306 481 257 127 77 67 86 93 166 261
14 207 170 359 468 244 133 79 79 76 100 164 254
15 195 173 387 449 239 140 76 75 67 109 164 259
16 190 190 371 439 248 133 75 68 72 101 155 233
17 192 186 345 465 252 127 77 58 71 115 158 212
18 184 178 337 452 248 122 75 57 68 119 155 221
19 184 177 351 428 242 120 80 56 73 118 147 232
20 176 172 383 412 226 127 83 52 78 114 153 209
21 175 178 368 396 223 130 80 53 76 110 174 198
22 176 193 389 372 220 127 78 56 70 115 176 213
23 182 201 399 366 209 117 74 56 64 109 175 213
24 184 204 398 366 198 109 75 52 65 118 163 209
25 193 247 409 380 201 112 73 55 70 125 171 189
26 218 297 419 361 211 117 71 58 75 126 205 203
27 239 260 433 350 208 115 73 65 71 124 203 214
28 225 258 436 343 198 118 68 67 68 125 205 227
29 209 232 439 330 191 127 67 63 67 124 213 221
30 192   452 327 191 126 82 59 78 130 211 207
31 183   501   195   78 70   153   202