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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
1 200 181 241 492 342 202 116 77 57 84 147 225
2 209 180 235 519 335 197 106 69 60 91 138 235
3 199 184 233 555 320 222 101 73 61 87 159 224
4 189 193 239 575 321 212 91 77 60 94 173 205
5 188 188 241 563 306 196 97 72 58 86 165 208
6 188 184 236 595 285 183 96 70 52 85 150 208
7 184 182 247 557 270 173 93 65 51 113 148 229
8 172 196 258 515 258 166 95 63 52 108 173 228
9 178 191 271 491 276 158 88 60 59 88 174 233
10 214 178 278 482 282 143 90 66 64 90 167 232
11 216 191 280 496 269 132 84 72 74 88 160 229
12 208 195 293 478 264 130 82 64 102 90 166 241
13 207 179 306 481 257 127 77 67 86 94 168 261
14 209 171 359 468 244 133 79 79 76 101 166 255
15 197 174 387 449 239 140 76 75 67 110 166 261
16 192 192 371 439 248 133 75 68 72 101 157 235
17 194 188 345 465 252 127 77 58 71 116 160 214
18 186 180 337 452 248 122 75 57 68 119 157 222
19 185 177 351 428 242 120 80 56 73 118 149 233
20 177 172 383 412 226 127 83 52 78 114 155 210
21 176 178 368 396 223 130 80 53 76 110 176 199
22 177 193 389 372 220 127 78 56 70 116 178 215
23 184 201 399 366 209 117 74 56 64 110 176 215
24 185 204 398 366 198 109 75 52 65 118 164 210
25 195 247 409 380 201 112 73 55 70 127 173 191
26 221 297 419 361 211 117 71 58 75 127 208 205
27 242 260 433 350 208 115 73 65 71 125 206 216
28 227 258 436 343 198 118 68 67 68 126 207 230
29 211 232 439 330 191 127 67 63 67 125 214 223
30 194   452 327 191 126 82 59 78 132 213 208
31 185   501   195   78 70   155   203