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USGS Surface-Water 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
1 333 344 373 882 666 379 224 168 138 240 305 358
2 332 332 380 916 671 378 214 169 139 252 309 367
3 335 325 384 950 635 376 206 169 141 251 315 374
4 330 324 393 963 608 372 150 157 144 256 314 378
5 324 328 391 976 557 355 154 159 142 247 316 372
6 322 322 386 989 521 338 193 157 141 232 314 368
7 317 319 388 994 516 340 191 156 154 235 324 388
8 309 322 406 1,010 496 331 198 157 155 239 338 385
9 307 310 405 1,010 487 325 199 161 162 247 346 378
10 317 299 423 1,000 462 343 202 168 161 250 339 372
11 324 297 448 996 462 327 195 160 162 258 337 389
12 329 300 464 990 454 309 180 165 168 258 335 404
13 329 301 507 992 465 306 182 165 178 264 331 405
14 331 308 523 1,020 475 312 183 173 183 260 330 411
15 341 311 545 1,020 429 312 188 177 183 262 343 426
16 337 318 542 1,060 407 292 189 179 189 275 341 433
17 326 316 543 1,050 397 276 184 183 199 278 340 420
18 323 312 543 1,010 414 304 188 166 206 284 337 428
19 325 317 573 986 473 303 180 169 203 298 334 423
20 327 316 605 942 432 306 184 179 203 298 319 419
21 323 316 599 905 412 298 170 173 209 292 329 416
22 313 323 610 898 403 303 168 165 200 294 337 434
23 316 328 615 847 387 292 168 163 201 296 340 421
24 333 323 634 804 390 292 178 162 204 306 336 407
25 344 325 638 817 390 283 187 150 204 312 328 370
26 355 355 630 786 367 272 179 151 206 309 322 375
27 380 357 665 756 348 263 181 150 212 306 322 388
28 380 366 731 732 359 247 175 151 212 305 337 389
29 361 426 801 715 367 228 177 145 216 316 337 368
30 353   816 678 325 218 171 146 228 308 333 353
31 354   829   348   170 149   302   349