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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
1 343 347 374 887 670 376 225 173 137 237 306 359
2 342 335 381 918 677 376 215 173 138 249 310 368
3 344 328 386 950 643 372 208 171 139 248 316 375
4 338 326 398 962 616 367 153 161 142 253 315 378
5 332 330 396 975 566 351 158 162 140 244 317 373
6 330 323 391 988 530 335 196 159 140 231 315 368
7 324 320 395 992 523 337 192 159 152 233 325 388
8 317 323 415 1,000 503 329 198 161 153 238 339 386
9 314 310 413 1,010 493 323 199 169 160 246 347 380
10 327 300 433 999 468 341 203 176 159 251 340 374
11 338 297 461 994 469 325 196 168 160 260 337 394
12 341 301 476 989 461 309 180 173 166 259 335 413
13 342 301 517 992 471 306 182 173 178 266 332 413
14 346 308 532 1,020 480 312 183 180 183 262 329 418
15 354 312 554 1,020 434 311 188 185 182 263 342 432
16 348 319 551 1,050 410 292 189 186 188 276 340 439
17 338 316 552 1,040 397 276 188 190 197 280 340 425
18 334 312 552 1,010 412 307 193 173 205 286 337 437
19 335 317 582 981 470 306 184 177 204 300 333 437
20 336 316 613 937 429 309 186 187 204 300 319 432
21 332 316 606 900 412 303 171 180 209 294 330 428
22 321 322 616 892 403 307 169 171 200 297 339 445
23 323 327 621 841 387 296 168 169 200 299 343 432
24 339 324 640 797 390 296 178 167 204 309 338 417
25 350 325 643 808 389 287 186 154 203 315 330 379
26 362 355 636 777 366 275 178 154 205 312 323 384
27 386 355 670 749 346 266 181 150 211 309 323 396
28 385 366 736 726 357 249 175 150 211 309 338 398
29 366 427 809 709 365 229 178 144 215 319 338 378
30 357   826 671 322 219 176 145 226 310 335 363
31 357   836   345   176 148   304   359