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USGS Daily Statistics for Connecticut

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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 18.17 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 1930-10-01 -> 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
1 264 233 304 449 294 265 161 118 87 140 161 237
2 271 264 310 432 289 278 136 108 123 135 161 242
3 265 323 317 428 276 258 135 106 113 126 173 231
4 256 311 334 434 286 227 133 103 108 131 166 221
5 244 271 329 429 271 237 130 106 97 120 167 230
6 240 238 350 410 268 311 137 105 107 114 165 246
7 251 249 432 379 267 272 129 114 122 114 158 257
8 260 270 391 359 250 239 124 108 112 116 174 244
9 249 244 378 343 247 205 135 102 115 140 203 242
10 265 224 369 370 256 201 132 115 107 133 192 242
11 255 243 364 362 277 187 123 128 106 119 192 255
12 239 251 385 339 272 195 112 127 113 117 190 273
13 250 248 395 367 273 197 118 129 123 129 197 269
14 247 261 401 364 260 204 124 122 117 141 194 263
15 260 266 397 350 246 188 118 112 124 164 186 262
16 251 273 389 414 256 173 121 103 124 158 180 239
17 228 259 390 438 263 180 119 106 129 157 197 242
18 229 267 385 362 245 180 115 129 140 143 190 264
19 249 264 381 331 247 182 113 166 137 150 162 251
20 246 260 387 324 241 162 111 156 132 195 188 227
21 247 267 391 323 236 158 110 127 143 200 203 273
22 245 270 446 316 218 154 113 123 141 159 190 290
23 255 275 451 336 211 155 123 121 131 143 213 251
24 297 296 400 347 243 158 155 110 126 164 201 257
25 385 329 374 328 245 158 123 102 130 178 202 266
26 401 343 363 315 227 141 111 100 152 173 208 263
27 339 320 362 336 225 135 109 99 149 162 229 254
28 329 304 376 314 217 144 116 123 151 170 225 252
29 294 287 385 293 219 146 121 121 150 179 238 246
30 251   393 273 239 154 116 101 147 179 239 244
31 232   426   244   114 90   168   251