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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 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 42.9 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 -> 2024-09-30)

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
1 243 253 307 385 298 213 128 81 77 82 118 190
2 247 250 311 390 296 216 126 79 79 81 117 190
3 246 255 317 395 292 216 123 77 82 81 122 192
4 248 264 318 394 289 213 121 76 84 80 122 192
5 246 272 319 391 284 213 120 77 81 78 125 193
6 244 271 317 384 278 221 118 77 77 79 127 197
7 246 269 323 380 272 222 113 78 78 79 127 202
8 246 271 327 373 266 224 108 82 77 79 125 208
9 246 265 328 365 263 217 106 85 75 80 127 210
10 244 260 327 355 263 209 105 94 72 80 132 216
11 239 255 326 349 264 201 102 95 74 80 136 216
12 237 255 325 340 265 196 100 95 76 77 140 219
13 238 256 334 335 263 195 101 94 75 79 144 220
14 240 263 352 337 260 198 103 90 74 78 147 222
15 243 264 367 336 256 194 101 90 74 86 147 228
16 242 267 367 342 253 187 101 89 75 93 148 229
17 239 272 364 349 252 179 101 86 75 98 152 230
18 237 275 364 350 252 174 99 84 74 99 153 231
19 236 278 363 346 250 174 96 83 75 98 149 229
20 239 279 360 335 246 174 94 83 75 101 147 222
21 240 276 356 325 244 169 92 82 75 103 149 219
22 240 274 364 317 238 160 90 81 80 102 151 222
23 242 276 375 316 231 153 91 79 83 99 158 227
24 252 280 379 314 231 148 96 76 82 98 162 232
25 264 293 375 313 232 148 98 73 80 98 169 236
26 279 304 363 311 234 146 96 73 79 101 177 241
27 287 308 354 312 233 141 95 71 81 105 181 242
28 287 309 348 309 230 136 92 71 82 108 184 239
29 279 290 347 305 224 130 89 71 83 111 185 239
30 269   364 299 217 127 86 74 83 116 187 240
31 261   388   212   82 78   119   241