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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 01179500 WESTFIELD RIVER AT KNIGHTVILLE, MA


Hampshire County, Massachusetts
Hydrologic Unit Code 01080206
Latitude  42°17'16", Longitude  72°51'53" NAD27
Drainage area 161  square miles
Contributing drainage area 161  square miles
Gage datum 460.62 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 1908-10-01 -> 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
1 281 303 362 945 616 312 173 126 115 216 252 394
2 301 257 368 971 572 295 185 122 116 185 255 356
3 331 253 355 954 549 305 174 115 131 160 335 335
4 328 276 335 996 530 327 166 135 121 167 353 325
5 302 286 371 1,070 516 300 151 116 111 163 301 315
6 291 264 416 1,100 462 311 170 106 107 161 284 359
7 332 272 396 1,150 425 333 153 112 120 163 274 343
8 339 284 443 1,120 402 329 151 151 107 157 299 344
9 332 261 485 1,050 426 379 152 143 137 153 339 340
10 343 239 517 968 435 372 138 113 140 160 355 368
11 347 239 487 991 469 330 133 138 121 166 294 331
12 336 282 554 1,080 475 312 143 175 127 175 256 319
13 308 265 562 988 486 320 138 148 138 188 321 347
14 297 270 601 938 468 310 151 134 160 152 329 390
15 299 288 654 890 477 299 148 135 127 151 291 362
16 295 273 603 877 408 268 143 122 161 171 301 333
17 278 266 639 886 445 254 124 109 135 210 316 314
18 255 266 714 898 457 240 128 106 137 212 313 328
19 312 266 641 920 461 225 131 94 162 216 291 332
20 286 272 645 864 426 208 154 86 180 256 313 337
21 269 276 743 839 404 224 137 81 209 236 301 284
22 360 333 696 843 430 200 154 102 205 231 312 280
23 330 337 701 804 396 195 178 103 136 278 326 343
24 303 357 716 786 396 193 161 138 136 343 294 328
25 372 407 749 791 394 178 140 137 140 306 294 335
26 395 432 784 784 379 205 116 146 147 295 275 349
27 393 441 819 727 357 189 160 104 146 282 354 341
28 352 427 906 678 326 187 154 108 155 236 356 349
29 326 433 849 673 316 185 142 145 189 239 387 350
30 307   859 618 314 189 154 162 214 264 364 339
31 295   876   322   143 123   260   322