THAMES RIVER BASIN 01124000 QUINEBAUG RIVER AT QUINEBAUG, CT LOCATION.--Lat 42×01'20", long 71×57'22", Windham County, Hydrologic Unit 01100001, on right bank at Quinebaug, 500 ft upstream from bridge on State Route 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. Telephone telemetry at station. REMARKS.--Records good except those for periods with ice effect, which are fair. Flow regulated by East Brimfield and Westville Lakes, and by smaller reservoirs upstream. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 29 62 112 e70 e360 704 402 138 84 30 18 16 2 41 76 110 e65 551 690 366 170 73 33 16 16 3 23 60 105 e120 1110 e600 344 160 68 30 15 16 4 29 62 98 265 1030 e1300 326 133 60 43 15 16 5 57 50 81 e180 913 e1350 286 175 50 39 16 17 6 60 51 73 e130 729 1130 267 177 43 33 16 21 7 59 56 70 114 620 923 253 174 41 39 16 22 8 107 50 65 e95 527 709 231 169 39 30 17 20 9 136 50 81 e160 461 605 214 160 35 24 17 21 10 237 49 75 356 421 e520 205 143 34 25 17 48 11 382 75 74 255 386 e460 187 123 31 24 18 48 12 279 87 79 209 367 e420 189 107 30 24 18 30 13 234 89 71 168 429 e390 173 97 29 28 18 22 14 245 88 68 e155 e360 e370 134 86 36 30 30 22 15 274 86 62 e150 e340 e360 130 78 27 31 33 28 16 224 79 61 477 337 e400 116 76 24 29 19 221 17 179 74 68 386 262 429 140 64 39 20 19 443 18 158 77 93 437 376 483 128 66 16 17 19 332 19 158 72 109 802 470 508 119 80 22 18 19 280 20 133 75 142 665 e400 486 113 168 22 30 18 224 21 124 85 146 600 e340 447 108 177 22 23 19 167 22 100 79 165 668 e300 920 105 180 22 22 23 135 23 91 80 142 667 e270 1070 124 155 21 19 18 107 24 80 79 e115 982 e245 934 141 192 22 19 18 90 25 79 74 e95 1140 e225 859 200 261 18 19 18 80 26 81 96 e80 1020 e210 693 197 235 17 22 19 66 27 76 155 e70 e750 e200 613 172 205 17 28 19 60 28 66 150 64 e600 272 565 143 161 18 19 18 46 29 74 133 66 e525 --- 528 144 110 18 19 16 44 30 67 125 88 e450 --- 475 140 137 18 22 16 75 31 56 --- e75 e410 --- 438 --- 102 --- 20 16 --- TOTAL 3938 2424 2803 13071 12511 20379 5797 4459 996 809 574 2733 MEAN 127 80.8 90.4 422 447 657 193 144 33.2 26.1 18.5 91.1 MAX 382 155 165 1140 1110 1350 402 261 84 43 33 443 MIN 23 49 61 65 200 360 105 64 16 17 15 16 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1932 - 1999, BY WATER YEAR (WY) MEAN 153 232 315 342 344 541 542 307 208 101 111 113 MAX 701 711 1008 1028 845 1669 1239 658 1057 700 1971 1296 (WY) 1956 1956 1997 1979 1970 1936 1940 1989 1982 1938 1955 1938 MIN 16.3 34.4 81.4 57.4 83.0 235 169 131 33.2 17.8 12.9 12.2 (WY) 1958 1950 1966 1981 1980 1989 1985 1957 1999 1957 1957 1957 e Estimated. THAMES RIVER BASIN 01124000 QUINEBAUG RIVER AT QUINEBAUG, CT—Continued SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1932 - 1999 ANNUAL TOTAL 109121 70494 ANNUAL MEAN 299 193 275 HIGHEST ANNUAL MEAN 466 1955 LOWEST ANNUAL MEAN 124 1965 HIGHEST DAILY MEAN 2650 Mar 10 1350 Mar 5 26500 Aug 19 1955 LOWEST DAILY MEAN 17 Sep 17 15 Aug 3 1.0 Sep 4 1956 ANNUAL SEVEN-DAY MINIMUM 30 Sep 15 16 Aug 2 8.7 Sep 30 1957 INSTANTANEOUS PEAK FLOW 1600 Mar 4 a49300 Aug 19 1955 INSTANTANEOUS PEAK STAGE 5.46 Mar 4 b18.96 Aug 19 1955 INSTANTANEOUS LOW FLOW 12 Jan 7 c1.0 Sep 4 1956 10 PERCENT EXCEEDS 702 513 613 50 PERCENT EXCEEDS 165 93 186 90 PERCENT EXCEEDS 41 19 36 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).