THAMES RIVER BASIN 01123000 LITTLE RIVER NEAR HANOVER, CT LOCATION.--Lat 4140'18", long 7203'10", Windham County, Hydrologic Unit 01100002, on left bank 800 ft upstream from bridge on Hanover Road, 0.7 mi downstream from Peck Brook, 2.3 mi northeast of Hanover, and 6.5 mi upstream from mouth. DRAINAGE AREA.--30.0 mi2. PERIOD OF RECORD.--July 1951 to current year. REVISED RECORDS.--WDR CT-83-1: Drainage area. GAGE.--Water-stage recorder. Datum of gage is 221.19 ft above sea level. REMARKS.--Records good except for periods of estimated record, which are poor. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 25 57 84 e72 e90 56 154 58 28 9.1 5.5 9.1 2 21 56 381 e74 e85 71 127 80 30 9.0 5.2 7.6 3 21 54 249 e79 e80 73 144 73 30 9.5 6.8 7.0 4 27 50 141 e87 e77 67 163 98 26 9.7 10 7.8 5 17 48 115 e200 e200 70 156 72 24 8.8 14 6.5 6 14 46 129 e81 e210 93 117 66 21 8.3 24 6.1 7 13 46 144 e67 e145 78 105 69 20 8.0 13 6.1 8 18 56 239 e59 e110 65 88 59 20 7.8 8.5 6.7 9 90 159 183 e52 e90 63 78 59 17 7.8 10 6.8 10 62 143 132 e62 e75 66 70 61 16 7.8 19 6.3 11 47 90 114 e57 e69 76 66 57 16 7.8 12 7.5 12 32 72 126 e50 e63 73 66 50 16 9.8 8.8 8.0 13 28 63 159 e46 e66 65 144 47 16 8.7 8.3 7.7 14 24 57 170 e43 80 61 114 51 22 6.8 13 6.7 15 23 53 222 e40 109 219 91 46 18 10 11 6.3 16 24 55 174 e95 89 130 80 49 13 8.9 9.6 5.9 17 24 48 270 e160 77 98 76 46 12 7.9 9.3 5.7 18 21 46 454 e100 73 86 108 42 12 7.2 25 7.8 19 25 47 273 e75 74 72 138 59 36 6.6 15 7.1 20 465 50 332 e58 76 69 114 73 23 6.1 10 6.1 21 318 46 183 e50 69 71 91 59 15 6.0 31 5.7 22 135 43 151 e43 75 80 80 51 13 9.4 52 5.7 23 101 45 133 e74 71 75 72 47 12 8.1 23 5.6 24 104 39 e125 e63 62 64 73 43 11 7.5 15 5.5 25 87 36 e195 e230 e50 61 71 46 14 8.5 10 5.4 26 71 210 e150 e210 e55 82 61 54 13 8.2 8.7 5.4 27 64 232 e120 e111 63 82 54 41 13 7.2 7.6 5.2 28 66 110 e106 e230 62 68 69 36 12 6.7 7.1 5.2 29 72 91 e99 e190 --- 64 78 32 11 6.1 7.1 6.4 30 63 82 e102 e120 --- 63 63 30 9.7 5.7 7.4 7.0 31 66 --- e80 e100 --- 91 --- 29 --- 5.5 8.4 --- TOTAL 2168 2230 5535 2978 2445 2452 2911 1683 539.7 244.5 415.3 195.9 MEAN 69.9 74.3 179 96.1 87.3 79.1 97.0 54.3 18.0 7.89 13.4 6.53 MAX 465 232 454 230 210 219 163 98 36 10 52 9.1 MIN 13 36 80 40 50 56 54 29 9.7 5.5 5.2 5.2 CFSM 2.33 2.48 5.95 3.20 2.91 2.64 3.23 1.81 .60 .26 .45 .22 IN. 2.69 2.77 6.86 3.69 3.03 3.04 3.61 2.09 .67 .30 .51 .24 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1997, BY WATER YEAR (WY) MEAN 32.4 54.6 71.4 78.0 78.2 107 101 65.8 41.3 20.5 18.8 17.0 MAX 186 147 179 288 172 221 229 133 221 73.5 116 77.6 (WY) 1956 1956 1997 1979 1970 1972 1983 1967 1982 1972 1955 1954 MIN 5.25 9.39 15.3 11.6 19.4 50.6 29.2 26.8 12.6 5.85 4.95 4.98 (WY) 1964 1966 1966 1981 1980 1985 1985 1957 1957 1957 1993 1965 e Estimated. SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1952 - 1997 ANNUAL TOTAL 27815.3 23797.4 ANNUAL MEAN 76.0 65.2 57.1 HIGHEST ANNUAL MEAN 86.2 1984 LOWEST ANNUAL MEAN 25.1 1966 HIGHEST DAILY MEAN 700 Apr 17 465 Oct 20 1960 Jun 6 1982 LOWEST DAILY MEAN 6.2 Sep 6 5.2 Aug 2 3.4 Aug 19 1987 ANNUAL SEVEN-DAY MINIMUM 7.0 Aug 31 5.4 Sep 22 4.0 Sep 6 1963 INSTANTANEOUS PEAK FLOW 718 Oct 20 a2450 Jun 6 1982 INSTANTANEOUS PEAK STAGE 4.68 Oct 20 b8.31 Jun 6 1982 INSTANTANEOUS LOW FLOW 4.8 Aug 3 c2.9 Aug 16 1988 ANNUAL RUNOFF (CFSM) 2.53 2.17 1.90 ANNUAL RUNOFF (INCHES) 34.49 29.51 25.85 10 PERCENT EXCEEDS 167 144 117 50 PERCENT EXCEEDS 54 56 37 90 PERCENT EXCEEDS 11 7.2 8.8 a From rating curve extended above 820 ft3/s. b From high water marks in well. c Also occurred Aug. 20, 22, 1988.