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USGS Daily Statistics for the Nation

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 01196500 QUINNIPIAC RIVER AT WALLINGFORD, CT


New Haven County, Connecticut
Hydrologic Unit Code 01100004
Latitude  41°27'00.95", Longitude  72°50'28.59" NAD83
Drainage area 115  square miles
Gage datum 19.24 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 1930-10-01 -> 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
1 263 230 303 450 285 268 159 117 85 131 158 237
2 271 263 310 434 284 282 133 108 91 131 160 244
3 265 324 312 431 274 262 132 105 92 123 173 232
4 256 306 331 431 284 230 131 102 101 127 166 220
5 244 266 327 430 270 241 129 106 92 113 168 231
6 239 236 350 414 267 319 131 105 92 109 165 248
7 251 249 423 383 267 279 125 112 114 111 158 257
8 261 268 386 353 249 244 122 106 109 113 175 245
9 250 242 378 337 247 205 119 101 108 138 205 245
10 238 223 358 371 255 202 117 114 101 133 194 242
11 233 242 357 365 279 190 117 129 101 118 194 240
12 232 252 384 335 275 198 109 128 107 117 188 266
13 236 248 396 365 277 200 116 131 119 129 193 269
14 233 262 397 367 264 207 121 123 109 140 192 264
15 255 268 393 351 249 190 115 112 121 164 186 264
16 249 275 390 415 253 176 118 103 123 159 179 238
17 222 260 393 443 262 183 114 107 129 158 198 240
18 224 267 388 364 247 184 110 120 139 143 191 248
19 247 265 384 325 249 186 108 143 134 151 163 229
20 240 262 392 321 241 165 108 142 130 197 189 218
21 244 270 397 323 232 161 108 121 143 199 205 272
22 244 273 455 318 217 156 111 117 140 155 189 290
23 250 272 454 330 211 154 122 112 131 142 213 245
24 294 295 392 338 244 158 157 103 121 163 203 252
25 383 332 367 327 249 160 124 99 121 177 204 265
26 387 347 361 316 231 143 111 97 140 166 211 264
27 329 322 363 339 227 135 109 96 144 153 231 254
28 322 303 375 316 216 145 117 123 149 167 226 243
29 285 277 382 294 217 148 120 121 145 179 241 235
30 245   396 272 237 155 114 100 133 176 241 240
31 228   432   242   113 89   163   250