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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 01117500 PAWCATUCK RIVER AT WOOD RIVER JUNCTION, RI


Washington County, Rhode Island
Hydrologic Unit Code 01090005
Latitude  41°26'42", Longitude  71°40'53" NAD27
Drainage area 100  square miles
Contributing drainage area 100  square miles
Gage datum 42.94 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 1940-10-01 -> 2022-09-30)

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
1 242 250 308 386 298 215 128 81 77 81 118 190
2 246 248 312 391 295 218 126 79 80 80 117 190
3 245 254 318 396 291 219 124 77 83 80 122 192
4 246 263 318 396 288 216 121 76 85 80 123 192
5 245 271 319 393 284 216 120 78 82 78 126 193
6 243 270 317 386 279 224 118 77 78 79 128 198
7 246 268 323 382 272 225 113 79 78 79 128 202
8 246 271 327 375 266 227 109 82 77 80 126 206
9 246 265 329 366 263 219 106 86 75 81 128 209
10 244 260 328 357 264 211 105 94 73 81 133 215
11 240 255 327 351 265 202 102 96 74 80 137 216
12 237 255 326 341 267 198 101 96 76 78 141 219
13 238 256 336 337 265 197 101 95 75 79 145 221
14 239 263 352 339 262 199 103 90 74 78 148 222
15 242 264 364 338 258 196 101 91 75 85 148 229
16 241 267 363 345 255 188 101 90 76 93 148 229
17 239 273 360 352 255 181 99 86 75 98 152 229
18 237 276 361 354 254 175 96 84 75 99 153 230
19 236 279 362 348 252 175 94 83 75 98 150 228
20 238 280 359 337 248 175 91 82 75 102 147 221
21 239 276 355 326 243 170 90 82 75 103 150 219
22 239 275 364 319 237 161 89 82 81 102 151 222
23 240 277 375 318 230 154 90 80 83 100 159 225
24 249 281 380 316 230 149 96 76 81 98 163 229
25 261 294 376 315 233 149 98 74 80 99 170 233
26 274 305 364 313 235 147 96 73 78 101 178 239
27 281 310 354 314 235 141 95 71 80 105 182 241
28 281 310 349 312 231 136 92 71 82 108 185 238
29 274 290 348 308 225 130 89 72 83 111 186 238
30 265   365 301 218 127 86 74 82 117 188 239
31 258   389   214   83 79   119   240