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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 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 -> 2020-09-30)

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
1 262 231 304 452 278 269 159 117 85 131 157 228
2 269 264 311 437 280 284 134 108 91 132 159 240
3 264 326 314 433 272 263 132 106 93 124 173 231
4 255 308 332 433 284 231 131 103 102 128 167 220
5 243 268 329 433 269 242 130 106 93 113 168 226
6 239 237 351 416 267 321 131 106 93 110 166 239
7 251 249 426 385 267 280 125 113 115 112 159 253
8 261 269 388 354 248 245 122 107 110 113 176 244
9 250 243 381 337 246 206 120 101 109 140 206 244
10 238 224 360 372 255 203 117 115 102 134 195 242
11 233 243 359 366 279 190 117 130 102 119 195 240
12 232 253 386 336 275 198 110 129 108 118 188 267
13 236 246 398 359 277 201 116 132 120 129 194 269
14 234 261 397 353 264 208 122 124 109 136 193 265
15 256 269 394 346 249 191 116 112 122 164 187 265
16 246 275 392 414 252 177 119 103 124 159 180 238
17 219 260 396 443 262 184 114 107 130 156 199 241
18 223 267 390 362 247 185 111 120 140 142 192 248
19 247 266 384 324 250 187 108 144 135 151 163 230
20 240 263 392 320 242 166 109 143 131 198 190 219
21 244 271 399 322 233 162 109 122 144 200 206 273
22 244 274 458 317 218 157 112 118 142 156 190 292
23 251 273 456 330 211 155 123 113 132 142 212 246
24 295 297 389 338 244 159 158 104 122 164 202 253
25 386 334 366 327 249 161 124 99 122 178 205 252
26 390 349 361 316 231 144 112 98 142 167 210 245
27 331 320 364 339 228 136 110 97 145 154 230 247
28 324 301 376 317 217 146 118 123 151 168 226 239
29 286 276 382 295 217 148 121 121 146 179 242 233
30 246   396 271 237 155 115 101 133 174 239 239
31 229   434   243   114 89   162   249