THAMES RIVER BASIN 01124000 QUINEBAUG RIVER AT QUINEBAUG, CT LOCATION.--Lat 42o01'20", long 71o57'22", Windham County, Hydrologic Unit 01100001, on right bank at Quinebaug, 500 ft upstream from bridge on State Highway 197, 0.2 mi downstream from Massachusetts-Connecticut State line, 7.8 mi upstream from French River, and at mile 46. DRAINAGE AREA.--155 mi2. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--September 1931 to current year. REVISED RECORDS.--WSP 851: 1936(M). WSP 1201: 1939-43, 1949. WSP 1381: 1938(M). WDR CT-83-1: Drainage area. GAGE.--Water-stage recorder. Datum of gage is 341.52 ft above sea level. REMARKS.--Records good except for periods of estimated record, which are fair. Flow regulated by East Brimfield and Westville Lakes, and by smaller reservoirs upstream. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 180 78 340 397 254 541 237 181 95 25 30 20 2 170 79 290 514 261 479 221 213 91 25 30 19 3 155 65 233 e460 246 413 216 164 78 25 35 21 4 152 62 190 e410 246 368 221 164 117 24 46 18 5 143 59 241 e380 e270 332 227 162 107 26 58 20 6 137 60 418 e360 e240 322 190 163 93 22 105 20 7 102 61 361 603 e225 327 190 151 91 24 121 20 8 85 57 332 e530 e215 388 195 140 80 24 110 20 9 57 56 272 e480 e205 1020 186 129 76 30 92 19 10 77 55 234 e420 e195 904 201 123 57 30 73 16 11 69 64 482 e380 e190 856 156 134 57 37 59 18 12 99 59 429 e350 e185 783 163 160 111 31 50 19 13 79 52 365 375 e180 628 320 169 107 31 42 16 14 75 69 336 395 e175 501 289 168 95 30 43 18 15 72 62 309 460 e170 451 248 196 85 31 29 18 16 70 62 281 557 241 409 222 196 93 29 31 18 17 64 75 260 548 245 438 213 178 75 25 29 48 18 54 108 293 499 245 452 195 181 64 37 26 41 19 67 152 286 461 250 421 244 171 53 23 24 25 20 86 149 264 546 256 391 272 173 52 26 22 24 21 67 156 247 745 258 384 281 149 49 26 22 23 22 72 367 232 698 250 415 289 143 49 26 20 27 23 90 264 227 655 241 383 324 123 42 26 19 41 24 98 189 613 652 352 358 368 102 37 26 19 30 25 89 153 665 526 384 329 320 142 37 37 20 27 26 80 135 581 e420 362 302 243 138 27 43 21 36 27 69 112 523 e360 323 281 195 116 16 32 22 34 28 54 282 482 e320 470 262 179 104 22 44 22 31 29 65 474 424 e290 --- 252 167 112 26 55 22 29 30 57 401 322 e265 --- 244 171 128 26 39 21 29 31 69 --- 309 e240 --- 240 --- 109 --- 33 20 --- TOTAL 2803 4017 10841 14296 7134 13874 6943 4682 2008 942 1283 745 MEAN 90.4 134 350 461 255 448 231 151 66.9 30.4 41.4 24.8 MAX 180 474 665 745 470 1020 368 213 117 55 121 48 MIN 54 52 190 240 170 240 156 102 16 22 19 16 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1932 - 1995, BY WATER YEAR (WY) MEAN 149 227 312 331 334 537 544 308 212 101 115 116 MAX 701 711 794 1028 845 1669 1239 658 1057 700 1971 1296 (WY) 1956 1956 1984 1979 1970 1936 1940 1989 1982 1938 1955 1938 MIN 16.3 34.4 81.4 57.4 83.0 235 169 131 45.9 17.8 12.9 12.2 (WY) 1958 1950 1966 1981 1980 1989 1985 1957 1957 1957 1957 1957 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1932 - 1995 ANNUAL TOTAL 113197 69568 ANNUAL MEAN 310 191 273 HIGHEST ANNUAL MEAN 466 1955 LOWEST ANNUAL MEAN 124 1965 HIGHEST DAILY MEAN 1850 Jan 29 1020 Mar 9 26500 Aug 19 1955 LOWEST DAILY MEAN 22 Sep 3 16 Jun 27 1.0 Sep 4 1956 ANNUAL SEVEN-DAY MINIMUM 25 Aug 11 18 Sep 10 8.7 Sep 30 1957 INSTANTANEOUS PEAK FLOW 1220 Mar 9 a49300 Aug 19 1955 INSTANTANEOUS PEAK STAGE 4.56 Mar 9 b18.96 Aug 19 1955 INSTANTANEOUS LOW FLOW 7.9 Nov 9 c1.0 Sep 4 1956 10 PERCENT EXCEEDS 754 426 606 50 PERCENT EXCEEDS 236 143 185 90 PERCENT EXCEEDS 38 24 37 a From rating curve extended above 5,100 ft3/s on basis of slope-area measurement of peak flow. b From floodmarks. c Also occurred July 12, 1949, Sept. 17, 18, 1950, July 9, 1951, Sept. 4, 1956, Oct. 29, 1956, and Jan. 27, 1985 (ice siphoning). e Estimated.