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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 01104500 CHARLES RIVER AT WALTHAM, MA


Middlesex County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°22'20", Longitude  71°14'03" NAD27
Drainage area 251  square miles
Contributing drainage area 227  square miles
Gage datum 19.21 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 1930-10-01 -> 2024-09-30)

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
1 370 414 477 704 478 298 168 147 115 150 219 327
2 372 408 486 717 461 297 171 135 121 147 222 328
3 367 413 501 713 453 295 168 123 118 144 231 328
4 372 417 502 719 444 293 163 117 110 145 230 325
5 375 404 514 718 434 297 168 107 106 141 232 332
6 368 395 523 715 421 308 156 106 106 148 233 335
7 370 397 536 710 407 317 155 108 105 151 234 341
8 372 403 552 691 390 316 144 114 100 146 238 345
9 372 390 561 672 386 303 143 118 104 150 250 352
10 372 382 563 658 391 291 144 121 99 145 254 358
11 371 381 565 645 388 283 141 122 103 143 258 357
12 368 381 581 635 381 277 142 127 110 139 263 371
13 372 383 585 628 372 277 141 130 109 140 267 373
14 378 391 610 615 371 282 139 128 107 148 269 371
15 377 396 645 599 368 271 129 127 108 160 272 381
16 377 402 652 597 369 261 126 125 110 161 276 379
17 372 406 659 598 366 255 126 121 115 165 284 385
18 368 415 673 583 357 252 127 123 129 168 283 389
19 364 422 675 578 350 242 124 135 137 175 274 387
20 363 419 677 572 343 230 121 137 136 187 272 383
21 365 420 677 562 340 223 120 133 142 205 274 382
22 367 426 702 546 333 215 129 132 147 200 278 377
23 370 431 709 539 319 211 135 133 146 200 282 377
24 383 436 703 529 310 205 149 131 148 199 281 375
25 410 456 692 519 307 196 152 133 148 202 289 368
26 436 468 680 509 309 188 148 126 149 206 301 374
27 441 466 680 500 304 182 146 121 149 206 305 388
28 448 467 678 497 295 176 148 124 148 212 303 381
29 438 470 678 492 293 174 150 120 154 214 309 377
30 431   686 485 287 170 152 118 152 217 318 381
31 423   689   290   144 115   218   378