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USGS Surface-Water Daily Statistics for Massachusetts

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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


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 01098530 SUDBURY RIVER AT SAXONVILLE, MA


Middlesex County, Massachusetts
Hydrologic Unit Code 01070005
Latitude  42°19'31", Longitude  71°23'53" NAD27
Drainage area 106  square miles
Contributing drainage area 106  square miles
Gage datum 110.55 feet above NGVD29
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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 1979-10-01 -> 2020-09-30)

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
1 228 222 309 487 287 187 108 81 64 90 172 203
2 225 219 319 486 278 199 98 72 56 87 163 202
3 221 218 327 475 273 199 91 68 53 84 163 213
4 230 231 322 484 268 195 88 68 55 80 153 218
5 244 244 315 482 258 194 83 63 53 76 149 221
6 230 242 304 484 251 226 86 58 53 80 151 228
7 229 247 308 471 245 275 86 59 63 72 141 230
8 228 250 315 455 237 284 98 77 68 71 133 228
9 220 240 328 435 226 258 104 82 73 91 134 230
10 213 224 337 418 231 240 104 89 76 85 140 241
11 216 221 340 393 235 220 94 89 80 86 147 247
12 217 226 345 377 230 213 95 92 69 89 150 276
13 221 233 353 376 228 216 95 96 68 91 154 273
14 222 234 374 364 236 229 91 98 68 100 161 271
15 223 233 396 348 234 219 81 92 73 133 167 266
16 215 242 396 367 232 209 79 92 70 135 174 259
17 213 247 391 381 232 198 79 82 69 135 190 259
18 216 251 380 366 228 193 75 82 80 133 190 269
19 214 251 363 348 232 187 78 87 78 133 183 270
20 218 254 362 332 231 172 73 96 69 146 182 262
21 211 258 357 322 209 162 79 87 63 160 184 256
22 201 270 390 331 195 153 80 80 64 158 183 252
23 196 269 403 346 182 155 80 74 68 160 192 255
24 226 287 389 350 180 146 105 71 64 161 186 259
25 255 308 377 336 184 146 114 75 73 162 192 258
26 256 321 366 328 189 141 106 66 90 168 198 250
27 252 311 378 325 187 128 103 61 101 172 212 249
28 250 308 382 313 176 130 95 70 96 178 212 252
29 248 330 392 305 165 119 85 82 96 177 212 251
30 235   439 294 172 116 79 74 94 189 202 255
31 230   478   179   67 70   179   238