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USGS Surface-Water Daily Statistics for the Nation

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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 -> 2026-09-30)

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
1 281 303 362 945 616 312 172 127 114 215 257 392
2 301 257 368 971 572 295 185 122 115 184 256 354
3 331 253 355 954 549 305 173 115 130 159 333 335
4 328 276 335 996 530 327 165 135 120 166 351 325
5 302 286 371 1,070 516 300 150 115 110 161 300 315
6 291 264 416 1,100 462 311 169 106 106 160 282 359
7 332 272 396 1,150 425 333 152 112 119 162 273 343
8 339 284 443 1,120 402 329 150 150 107 156 298 344
9 332 261 485 1,050 426 379 151 142 136 152 337 340
10 343 239 517 968 435 372 138 112 139 159 353 368
11 347 239 487 991 469 330 132 138 121 164 294 331
12 336 282 554 1,080 475 312 143 173 126 173 255 319
13 308 265 562 988 486 321 139 147 137 187 319 347
14 297 270 601 938 468 310 151 134 159 151 328 390
15 299 288 654 890 477 299 150 134 126 151 290 362
16 295 273 603 877 408 268 144 121 160 170 302 333
17 278 266 639 886 445 254 124 109 134 209 315 314
18 255 266 714 898 457 242 127 105 136 211 312 328
19 312 266 641 920 461 226 131 94 160 214 290 332
20 286 272 645 864 426 209 154 86 178 254 311 337
21 269 276 743 839 404 224 137 82 208 235 299 284
22 360 333 696 843 430 200 153 102 203 230 310 280
23 330 337 701 804 396 195 177 103 135 277 324 343
24 303 357 716 786 396 193 160 137 135 341 293 328
25 372 407 749 791 394 178 140 136 139 304 292 335
26 395 432 784 784 379 204 116 145 149 293 275 349
27 393 441 819 727 357 189 159 103 146 280 353 341
28 352 427 906 678 326 186 154 107 155 235 354 349
29 326 433 849 673 316 185 142 144 188 238 385 350
30 307   859 618 314 188 153 160 212 263 362 339
31 295   876   322   142 122   267   322