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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 01049500 Cobbosseecontee Stream at Gardiner, Maine


Kennebec County, Maine
Hydrologic Unit Code 01030003
Latitude  44°13'45", Longitude  69°46'41" NAD83
Drainage area 217  square miles
Contributing drainage area 217  square miles
Gage datum 20.00 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 1905-10-01 -> 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
1 327 341 373 882 666 379 224 168 138 240 300 353
2 326 329 380 916 671 378 214 169 139 252 304 362
3 329 322 384 950 635 376 206 169 141 251 310 370
4 324 321 393 963 608 372 150 157 144 256 309 374
5 318 325 391 976 557 355 154 159 142 249 312 368
6 316 319 386 989 521 338 193 157 141 233 310 364
7 311 316 388 994 516 340 191 156 154 235 320 387
8 303 319 406 1,010 496 331 198 157 155 240 335 384
9 301 307 405 1,010 487 325 199 161 162 248 343 375
10 312 297 423 1,000 462 343 202 168 161 251 336 370
11 319 294 448 996 462 327 195 160 162 260 333 388
12 324 298 464 990 454 309 180 165 168 258 330 404
13 324 298 507 992 465 306 182 165 178 262 326 405
14 324 305 523 1,020 475 312 183 173 183 256 325 410
15 334 309 545 1,020 429 312 188 177 183 256 338 424
16 330 316 542 1,060 407 292 189 179 189 269 337 431
17 320 313 543 1,050 397 276 184 183 199 273 336 418
18 318 309 543 1,010 414 304 188 166 206 277 332 427
19 320 315 573 986 473 303 180 169 203 290 329 421
20 322 313 605 942 432 306 184 179 203 290 314 416
21 318 313 599 905 412 298 170 173 209 285 325 412
22 308 320 610 898 403 303 168 165 200 288 334 430
23 311 326 615 847 387 292 168 163 201 290 337 416
24 328 323 634 804 390 292 178 162 204 301 333 396
25 340 325 638 817 390 283 187 150 204 305 325 359
26 353 355 630 786 367 272 179 151 206 302 318 365
27 378 357 665 756 348 263 181 150 212 298 318 380
28 377 366 731 732 359 247 175 151 212 298 334 382
29 358 426 801 715 367 228 177 145 216 309 333 361
30 350   816 678 325 218 171 146 228 302 330 347
31 350   829   348   170 149   296   343