SASCO BROOK BASIN 01208950 SASCO BROOK NEAR SOUTHPORT, CT LOCATION.--Lat 4109'10", long 7318'23", Fairfield County, Hydrologic Unit 01100006, on left downstream abutment of bridge on Hulls Farm Road, 1.5 mi northwest of Southport. DRAINAGE AREA.--7.38 mi2. PERIOD OF RECORD.--Occasional low-flow measurements and annual maximum, water years 1961-64. October 1964 to current year. REVISED RECORDS.--WDR CT-83-1: Drainage area. GAGE.--Water-stage recorder. Datum of gage is 52.01 ft above sea level. Sept. 6, 1960, to Oct. 6, 1964, crest-stage gage, Oct. 7, 1964 to June 16, 1966, water-stage recorder, and June 17, 1966, to Apr. 27, 1969, nonrecording gage and crest-stage gage at same site and datum. REMARKS.--Records good except those for periods of estimated record, which are fair. Telephone gage-height telemeter at this station. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1.6 11 9.9 18 19 22 24 12 35 16 .90 .36 2 1.3 26 9.1 e17 17 19 55 48 13 8.4 .70 .35 3 1.1 19 8.2 e15 17 18 25 22 16 5.8 .58 .43 4 1.0 11 8.8 e13 16 16 20 16 9.5 4.9 .51 .42 5 1.0 7.7 9.6 e12 29 15 17 19 7.1 4.8 .43 .34 6 .89 6.2 11 15 25 14 16 34 6.4 4.2 .38 .30 7 .89 5.6 8.8 30 19 14 15 32 5.2 3.5 .36 .39 8 .71 14 7.8 68 17 17 14 20 4.4 2.6 .32 .98 9 .73 34 7.3 36 15 159 18 42 4.1 3.0 .31 .53 10 .80 27 7.3 25 15 87 81 85 3.8 2.9 .34 .42 11 .89 15 8.5 20 14 41 31 97 3.5 2.4 .39 .38 12 .82 11 9.1 18 45 29 21 58 26 1.9 .59 .31 13 .76 16 9.6 18 26 25 18 34 84 1.5 .47 .30 14 .81 13 8.7 17 18 e25 17 28 48 1.4 .36 .29 15 .98 17 7.6 15 15 e23 17 23 26 1.2 .32 .29 16 1.1 15 7.2 37 14 e22 16 20 35 1.0 .30 .27 17 1.4 13 7.4 24 15 20 21 19 18 1.0 .43 .31 18 1.2 11 7.9 19 86 25 20 17 14 1.0 .73 .29 19 1.2 9.6 7.7 17 47 92 17 14 12 .95 .74 .28 20 1.2 9.1 8.2 16 30 66 50 13 10 .90 .54 .27 21 1.3 8.6 8.0 15 24 41 23 12 9.3 1.3 .42 .26 22 1.1 23 6.7 14 21 38 17 11 8.4 1.0 .35 .32 23 1.2 18 28 36 19 31 17 9.6 9.0 1.2 .32 .31 24 1.2 13 23 179 49 25 18 8.8 8.7 1.9 .31 .30 25 3.7 11 46 64 43 22 15 12 7.5 1.2 .29 .31 26 4.0 10 35 38 26 21 16 15 6.4 .89 1.4 .30 27 15 11 21 30 22 20 19 9.7 5.3 .72 .81 .42 28 6.7 9.1 18 28 20 19 14 8.0 4.3 .62 .53 1.3 29 4.1 8.7 18 25 --- 17 13 7.4 4.1 .55 .41 .64 30 3.3 8.3 e33 23 --- 16 12 11 13 .50 .36 .49 31 2.7 --- e24 20 --- 16 --- 8.4 --- .71 .32 --- TOTAL 64.68 411.9 430.4 922 723 1015 677 765.9 457.0 79.94 15.22 12.16 MEAN 2.09 13.7 13.9 29.7 25.8 32.7 22.6 24.7 15.2 2.58 .49 .41 MAX 15 34 46 179 86 159 81 97 84 16 1.4 1.3 MIN .71 5.6 6.7 12 14 14 12 7.4 3.5 .50 .29 .26 CFSM .28 1.86 1.88 4.03 3.50 4.44 3.06 3.35 2.06 .35 .07 .05 IN. .33 2.08 2.17 4.65 3.64 5.12 3.41 3.86 2.30 .40 .08 .06 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1965 - 1998, BY WATER YEAR (WY) MEAN 6.78 12.4 18.6 18.0 18.1 25.4 24.1 17.3 11.7 4.60 3.89 4.39 MAX 25.0 26.4 46.1 60.3 36.9 46.4 82.2 79.1 79.2 21.1 18.9 20.6 (WY) 1997 1978 1997 1979 1970 1983 1983 1989 1972 1984 1992 1974 MIN .22 .84 2.29 1.97 5.10 9.56 6.34 3.69 1.63 .22 .076 .16 (WY) 1965 1966 1966 1966 1980 1981 1985 1986 1988 1966 1966 1980 e Estimated. SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1965 - 1998 ANNUAL TOTAL 4880.59 5574.20 ANNUAL MEAN 13.4 15.3 13.7 HIGHEST ANNUAL MEAN 22.2 1984 LOWEST ANNUAL MEAN 4.47 1966 HIGHEST DAILY MEAN 98 Feb 5 179 Jan 24 785 Jun 19 1972 LOWEST DAILY MEAN .56 Jul 21 .26 Sep 21 .00 Jul 26 1993 ANNUAL SEVEN-DAY MINIMUM .73 Jul 15 .28 Sep 15 .01 Oct 6 1964 INSTANTANEOUS PEAK FLOW 296 Jan 24 1640 Jun 19 1972 INSTANTANEOUS PEAK STAGE 3.78 Jan 24 7.00 Jun 19 1972 INSTANTANEOUS LOW FLOW a.25 Sep 16 .00 Jul 23 1991 ANNUAL RUNOFF (CFSM) 1.81 2.07 1.86 ANNUAL RUNOFF (INCHES) 24.60 28.10 25.30 10 PERCENT EXCEEDS 28 33 30 50 PERCENT EXCEEDS 9.5 11 7.9 90 PERCENT EXCEEDS 1.1 .40 .76 a Also occurred on Sept. 20 and 21.