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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 01054300 Ellis River at South Andover, Maine


Oxford County, Maine
Hydrologic Unit Code 01040002
Latitude  44°35'36", Longitude  70°43'59" NAD83
Drainage area 131  square miles
Contributing drainage area 131  square miles
Gage datum 619.16 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 1962-10-01 -> 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
1 217 135 138 480 912 250 294 95 80 135 251 389
2 206 128 133 574 877 239 314 88 75 172 232 348
3 195 137 131 596 854 321 246 94 70 150 275 300
4 174 159 132 601 853 297 219 112 71 139 307 273
5 167 161 138 519 756 270 200 111 70 127 258 227
6 161 156 168 483 633 257 168 120 72 114 267 211
7 161 140 223 479 580 239 137 124 72 105 264 209
8 151 129 214 509 541 224 129 112 61 133 295 219
9 163 121 197 496 545 219 131 139 63 176 310 249
10 199 116 196 540 552 232 135 169 74 176 255 260
11 223 132 218 592 511 242 189 169 69 138 238 292
12 202 177 206 675 488 262 172 125 64 126 224 354
13 216 146 222 724 527 260 134 106 80 120 238 392
14 205 127 248 843 480 255 128 114 77 161 250 322
15 194 120 261 907 486 237 128 95 71 242 263 337
16 169 117 242 945 487 215 120 107 67 258 289 273
17 157 119 265 931 538 243 137 121 61 239 313 240
18 150 119 318 992 484 261 111 108 56 220 279 571
19 202 118 302 964 461 222 113 84 94 188 233 438
20 168 121 284 999 486 208 99 72 92 197 250 295
21 154 156 317 1,020 464 206 116 74 70 295 283 268
22 147 157 281 1,010 419 208 103 73 71 243 241 343
23 141 133 290 1,030 357 193 88 74 89 220 236 300
24 143 128 329 1,060 349 191 102 69 134 267 214 380
25 146 153 326 1,080 344 169 131 62 100 259 208 410
26 179 151 357 956 356 219 102 74 86 300 267 410
27 177 153 337 963 346 242 84 64 111 295 307 321
28 163 143 351 979 341 199 85 92 111 290 283 355
29 150 146 390 927 300 268 100 138 111 340 320 344
30 138   424 835 291 281 163 83 122 385 343 272
31 132   457   260   119 78   312   235