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USGS 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 109.78 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 1979-10-01 -> 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
1 240 219 306 479 290 189 110 79 62 88 170 203
2 238 217 315 478 283 198 100 71 55 85 161 206
3 234 215 322 471 276 197 92 67 53 83 161 215
4 241 227 316 484 271 193 88 67 54 78 151 218
5 253 239 309 480 262 191 83 62 52 74 147 225
6 235 238 299 478 254 221 85 57 52 78 149 236
7 232 243 303 463 246 268 85 58 62 71 138 236
8 229 247 309 446 237 276 97 76 67 69 131 233
9 221 236 321 427 228 251 102 80 72 89 132 233
10 214 221 329 412 231 233 103 88 74 83 137 241
11 217 218 331 387 235 213 92 87 79 84 144 246
12 218 222 335 370 230 207 93 90 68 87 147 273
13 221 229 343 370 227 209 94 94 66 89 151 274
14 221 231 363 363 234 222 90 95 67 98 158 277
15 222 229 384 347 230 213 80 90 72 131 164 273
16 220 239 384 368 229 204 78 90 68 132 172 266
17 221 244 380 383 229 193 78 81 68 134 188 264
18 224 247 370 368 224 187 74 82 78 131 188 272
19 222 247 356 347 230 181 77 85 76 131 181 271
20 223 249 355 328 229 166 71 94 68 143 176 260
21 211 253 350 318 207 157 77 85 62 157 177 251
22 201 264 380 328 192 149 79 78 63 155 180 247
23 195 264 392 340 179 150 79 73 66 157 192 250
24 223 281 385 344 177 142 104 70 63 158 188 255
25 250 302 374 330 182 141 112 73 72 159 193 264
26 254 315 362 322 186 136 104 65 88 164 198 261
27 250 308 371 321 182 123 101 60 98 168 211 258
28 249 305 373 310 172 126 93 68 94 174 210 259
29 246 318 385 302 169 121 83 81 93 174 209 259
30 233   432 293 173 116 77 72 92 187 200 265
31 228   469   182   65 69   176   255