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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 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 130  square miles
Contributing drainage area 130  square miles
Gage datum 620.00 feet above NGVD29
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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 -> 2023-09-30)

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
1 213 135 134 481 847 255 283 94 76 137 256 393
2 203 128 130 577 855 245 309 87 72 176 237 352
3 192 137 127 601 806 330 233 95 68 153 282 302
4 171 160 123 609 832 305 206 113 70 142 317 274
5 166 162 126 523 750 277 191 112 69 129 265 227
6 160 157 148 486 622 263 162 121 71 116 275 212
7 160 140 157 478 577 245 132 126 72 106 272 209
8 149 129 177 509 542 226 120 102 60 132 304 220
9 162 121 177 493 541 219 126 101 62 178 320 250
10 198 115 182 536 555 233 126 138 74 179 263 262
11 218 130 205 580 516 245 122 151 69 140 245 270
12 199 176 196 603 495 267 142 112 60 128 230 336
13 214 145 217 644 538 266 119 97 76 121 241 386
14 202 126 243 795 490 260 117 106 71 164 253 319
15 192 119 253 878 495 233 121 89 68 246 266 336
16 167 116 233 932 497 215 99 101 65 265 293 271
17 155 119 258 923 552 228 90 118 60 245 318 238
18 148 119 311 987 496 220 90 104 54 226 282 417
19 202 118 299 971 473 202 90 79 62 192 235 324
20 167 121 283 1,020 500 201 85 67 70 202 253 256
21 152 157 318 1,040 472 203 107 70 60 305 287 245
22 146 159 282 1,040 427 207 96 67 64 239 244 331
23 140 134 291 1,060 365 192 82 69 85 207 239 292
24 142 129 329 1,090 358 188 98 65 133 267 216 376
25 145 154 327 1,100 349 166 128 58 99 262 210 409
26 179 152 360 975 364 173 100 58 82 306 270 409
27 177 155 339 988 355 198 81 53 105 302 308 319
28 163 144 345 1,010 343 170 81 85 109 298 280 353
29 149 130 376 952 304 232 99 136 110 351 321 339
30 138   417 856 296 254 165 79 122 398 346 264
31 131   457   266   119 71   318   228