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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 216  square miles
Contributing drainage area 216  square miles
Gage datum 19.28 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 1905-10-01 -> 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
1 347 345 374 887 670 376 225 173 137 237 305 358
2 345 334 381 918 677 376 215 173 138 249 309 367
3 348 326 386 950 643 372 208 171 139 248 314 373
4 342 325 398 962 616 367 153 161 142 253 313 376
5 335 328 396 975 566 351 158 162 140 244 316 371
6 332 321 391 988 530 335 196 159 140 231 314 366
7 325 318 395 992 523 337 192 159 152 233 323 387
8 318 321 415 1,000 503 329 198 161 153 238 338 384
9 315 309 413 1,010 493 323 199 169 160 246 345 378
10 327 298 433 999 468 341 203 176 159 249 339 374
11 337 295 461 994 469 325 196 168 160 258 336 396
12 341 299 476 989 461 309 180 173 166 257 334 416
13 341 300 517 992 471 306 182 173 178 264 330 416
14 345 307 532 1,020 480 312 183 180 183 260 328 422
15 353 310 554 1,020 434 311 188 185 182 261 340 436
16 348 317 551 1,050 410 292 189 186 188 274 339 442
17 338 315 552 1,040 397 276 188 190 197 279 338 426
18 334 311 552 1,010 412 307 193 173 205 285 335 437
19 335 316 582 981 470 306 184 177 204 298 332 437
20 335 316 613 937 429 309 186 187 204 298 318 432
21 331 316 606 900 412 303 171 180 209 293 329 428
22 321 322 616 892 403 307 169 171 200 296 340 444
23 323 327 621 841 387 296 168 169 200 298 343 430
24 339 324 640 797 390 296 178 167 204 308 338 415
25 349 325 643 808 389 287 186 154 203 313 329 377
26 361 355 636 777 366 275 178 154 205 311 322 381
27 385 355 670 749 346 266 181 150 211 308 322 394
28 384 366 736 726 357 249 175 150 211 307 336 395
29 365 427 809 709 365 229 178 144 215 318 337 376
30 355   826 671 322 219 176 145 226 309 334 363
31 355   836   345   176 148   303   362