THAMES RIVER BASIN 01125500 QUINEBAUG RIVER AT PUTNAM, CT LOCATION.--Lat 4154'34", long 7154'48", Windham County, Hydrologic Unit 01100001, on right bank at Putnam, 0.15 mi downstream from Little River, 0.3 mi upstream from New York, New Haven and Hartford Railroad bridge, 2.8 mi downstream from French River, 3.0 mi downstream from West Thompson Dam, and 36 mi upstream from mouth. DRAINAGE AREA.--328 mi2. PERIOD OF RECORD.--December 1929 to September 1969, October 1995 to current year. Monthly discharge only for October and November 1929, published in WSP 1301. Stage record only October 1974 to September 1995. GAGE.--Water-stage recorder and crest-stage gage.. Datum of gage is 216.76 ft above sea level. Prior to Aug. 1, 1958, at same site on left bank at same datum. Satellite telemetry at station. REMARKS.--Records good except for periods of estimated daily discharges, which are fair. Flow regulated by East Brimfield, Westville, West Thompson, Hodges Village, and Buffumville Reservoirs, by Lake Chaubunagungamaug, estimated usable capacity 207,000,000 ft3, and by smaller reservoirs upstream. EXTREMES FOR CURRENT YEAR.--Maximum discharge, 3,300 ft3/s, Apr. 23, gage height, 7.73 ft; minimum discharge, 23 ft3/s, Oct. 4, gage height, 1.63 ft. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 172 258 394 e230 e255 1460 792 1180 401 274 e380 88 2 140 226 400 e225 e250 1320 682 1080 387 216 329 88 3 87 531 408 276 e247 1180 695 856 437 216 291 100 4 129 628 399 367 e244 1080 666 779 454 197 281 121 5 254 559 384 739 e242 1030 706 739 420 173 258 110 6 245 540 321 814 e240 841 685 699 424 167 209 98 7 222 485 452 710 e237 734 641 658 1400 160 188 92 8 194 461 576 652 e234 675 582 521 1830 156 181 88 9 184 408 592 536 e232 623 955 480 1550 153 161 87 10 195 335 563 552 e230 596 1460 492 1260 149 193 85 11 253 306 556 761 291 613 1360 662 1050 94 151 80 12 233 324 538 813 281 992 1180 686 1050 76 153 77 13 262 320 495 783 275 1490 1080 751 1070 77 134 78 14 242 329 510 670 458 1390 912 757 1040 80 152 74 15 225 319 543 e575 739 1220 816 722 980 86 159 119 16 269 303 577 e500 829 1130 794 592 780 138 181 141 17 311 272 e590 e440 822 1380 659 557 736 195 169 113 18 521 259 e580 e400 717 1570 595 563 676 180 166 98 19 444 224 e560 e360 658 1410 622 646 658 172 144 100 20 403 205 e550 e340 612 1250 641 807 628 e160 137 157 21 439 217 549 e330 570 1120 662 822 565 e150 126 181 22 459 220 573 e320 512 1020 2100 772 506 e160 116 150 23 473 245 587 e310 502 950 3190 725 467 e140 108 142 24 501 248 588 e300 590 843 2870 736 427 e125 115 130 25 469 254 e500 e290 777 766 2700 859 345 e110 112 116 26 433 290 e420 e285 1110 724 2420 872 307 e100 106 104 27 400 371 e370 e280 1280 605 2300 780 351 e300 97 124 28 379 498 e320 e275 1430 647 2030 666 365 e650 100 102 29 379 486 e270 e270 1560 844 1610 583 344 e600 92 115 30 371 453 e250 e265 --- 991 1340 508 280 e500 89 95 31 338 --- e235 e260 --- 901 --- 451 --- e430 90 --- TOTAL 9626 10574 14650 13928 16424 31395 37745 22001 21188 6384 5168 3253 MEAN 311 352 473 449 566 1013 1258 710 706 206 167 108 MAX 521 628 592 814 1560 1570 3190 1180 1830 650 380 181 MIN 87 205 235 225 230 596 582 451 280 76 89 74 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 2000, BY WATER YEAR (WY) MEAN 276 444 558 657 675 1143 1134 619 418 241 226 262 MAX 1478 1553 1939 1289 1606 3627 2788 1090 1200 1773 2935 2276 (WY) 1956 1956 1997 1937 1951 1936 1940 1945 1948 1938 1955 1938 MIN 43.1 85.0 115 144 245 543 409 273 70.5 50.1 36.3 37.0 (WY) 1958 1965 1931 1944 1931 1941 1966 1965 1999 1999 1999 1957 e Estimated. THAMES RIVER BASIN 01125500 QUINEBAUG RIVER AT PUTNAM, CT--Continued SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1930 - 2000 ANNUAL TOTAL 169606.0 192336 ANNUAL MEAN 465 526 558 HIGHEST ANNUAL MEAN 988 1938 LOWEST ANNUAL MEAN 257 1965 HIGHEST DAILY MEAN 3010 Mar 5 3190 Apr 23 26400 Aug 20 1955 LOWEST DAILY MEAN 8.0 Sep 3 74 Sep 14 8.0 Sep 3 1999 ANNUAL SEVEN-DAY MINIMUM 16 Sep 2 81 Sep 8 16 Sep 2 1999 INSTANTANEOUS PEAK FLOW 3300 Apr 23 a48000 Aug 19 1955 INSTANTANEOUS PEAK STAGE 7.73 Apr 23 b26.50 Aug 19 1955 INSTANTANEOUS LOW FLOW 23 Oct 4 3.9 Sep 2 1999 10 PERCENT EXCEEDS 1010 1070 1210 50 PERCENT EXCEEDS 318 420 373 90 PERCENT EXCEEDS 38 115 85 a From rating curve extended above 2,500 ft3/s on basis of computation of flow over dam at gage heights, 17.28 and 19.45 ft and slope-area measurement of peak flow. b From floodmarks.