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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 01130000 UPPER AMMONOOSUC RIVER NEAR GROVETON, NH


Coos County, New Hampshire
Hydrologic Unit Code 01080101
Latitude  44°37'30", Longitude  71°28'10" NAD27
Drainage area 232  square miles
Gage datum 916.43 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 1939-10-01 -> 2021-09-30)

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
1 320 247 253 1,090 1,670 659 387 200 195 308 401 454
2 331 236 261 1,080 1,700 661 399 193 190 334 446 440
3 325 238 265 1,030 1,670 682 352 203 178 303 485 418
4 276 254 258 1,010 1,650 628 320 246 173 301 500 398
5 267 247 261 1,050 1,580 536 326 262 168 294 469 382
6 270 227 337 1,130 1,430 521 304 238 175 289 490 396
7 270 214 350 1,160 1,350 515 279 200 172 332 484 418
8 253 208 300 1,100 1,280 479 258 219 176 340 490 403
9 254 204 305 1,070 1,290 468 259 206 172 295 518 362
10 282 201 339 1,100 1,320 457 278 214 177 284 480 373
11 276 211 357 1,130 1,260 455 281 256 197 274 457 402
12 312 233 359 1,190 1,250 492 267 230 249 266 472 380
13 319 224 373 1,250 1,260 517 248 206 225 267 462 376
14 290 206 395 1,400 1,170 510 259 236 229 295 423 395
15 270 202 405 1,540 1,110 507 270 214 223 315 449 379
16 265 215 427 1,670 1,090 501 257 201 195 342 442 366
17 268 208 454 1,660 1,010 489 240 214 221 342 434 333
18 248 195 519 1,680 994 434 217 212 231 343 416 336
19 262 187 496 1,640 969 385 210 179 207 319 380 333
20 267 186 479 1,700 1,030 373 224 188 197 312 414 303
21 274 195 498 1,780 959 373 209 177 186 393 455 325
22 257 232 521 1,840 861 386 213 166 184 414 439 424
23 261 259 544 1,930 765 374 215 163 203 357 410 417
24 307 258 539 1,940 704 350 223 167 194 400 406 384
25 336 277 529 1,780 694 340 201 168 186 463 409 378
26 367 296 561 1,710 709 357 192 159 205 398 427 360
27 314 290 683 1,760 747 353 195 148 208 393 508 384
28 281 275 788 1,730 727 357 205 178 221 423 503 395
29 263 293 917 1,700 659 374 219 220 210 397 503 361
30 235   1,010 1,670 678 387 228 207 239 410 489 360
31 235   1,080   672   206 195   403   354