ST. LAWRENCE RIVER BASIN
04292700 STONE BRIDGE BROOK NEAR GEORGIA PLAINS, VT
LOCATION.--Lat 44°42'13", long 73°10'54", Franklin County, Hydrologic Unit 02010005, on left bank, 20 ft upstream from
Lake Road culvert, 0.1 mi downstream of small left bank tributary, 1.0 mi upstream of large right bank tributary,
1.3 mi west of West Georgia, 1.5 mi southwest of Georgia Plains, and 2.8 mi upstream of mouth.
DRAINAGE AREA.--8.45 mi².
PERIOD OF RECORD.--Discharge records: February 1963 to September 1974, March 1990 to current year.
GAGE.--Water-stage recorder. Elevation of gage is 150 ft above sea level, from topographic map.
REMARKS.--Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 75 ft³/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft³/s) (ft) Date Time (ft³/s) (ft)
Nov. 9 1245 a 448 6.68 Mar. 30 unknown ae 140 b 4,90
Dec. 2 0730 *a 546 * 7.08
Minimum discharge, 0.48 ft³/s, August 10 and 11.
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 5.1 5.3 36 e6.4 e2.9 e34 e45 12 4.0 .97 .95 5.6
2 3.7 4.9 312 e6.2 e2.9 e23 e34 13 3.4 .84 .91 5.3
3 5.4 4.5 81 e6.0 e2.8 e14 e27 11 2.8 6.2 1.6 5.8
4 4.8 4.1 35 e5.6 e2.7 e9.5 e24 13 2.5 25 1.3 5.0
5 3.8 4.3 22 e6.2 e2.7 e7.0 e26 11 2.4 15 1.7 3.8
6 3.3 5.2 17 e7.4 e2.7 e5.5 e32 11 2.2 6.4 1.1 2.8
7 3.0 5.2 14 e7.8 e2.6 e4.8 e25 29 2.4 3.7 .85 2.7
8 2.5 14 14 e8.5 e2.5 e4.5 e16 26 1.5 2.6 .84 2.3
9 2.8 226 e13 e4.7 e2.5 e4.2 e12 13 1.4 4.6 .70 1.9
10 4.3 78 e12 e4.5 e2.4 e4.1 e10 18 1.1 5.3 .53 1.4
11 6.5 28 e11 e4.3 e2.4 e4.0 e8.0 19 1.3 3.9 1.2 1.5
12 5.1 17 e9.5 e4.2 e2.3 e3.8 e8.0 14 .90 2.5 2.0 1.7
13 4.2 12 e15 e4.2 e2.2 e3.7 e8.0 12 1.4 2.2 6.6 1.6
14 3.8 10 e22 e4.1 e2.2 e3.6 e7.0 9.8 4.3 2.5 11 2.5
15 3.7 8.4 e18 e4.0 e2.1 e3.6 e6.0 13 3.8 5.2 6.7 3.0
16 3.6 7.6 e14 e3.8 e2.1 e3.4 e5.4 7.5 2.9 6.5 4.8 2.9
17 2.9 7.0 e12 e3.7 e2.2 e3.3 9.2 7.2 2.8 5.9 5.2 2.5
18 3.0 7.8 e12 e3.6 e3.5 e3.2 12 6.1 2.9 6.9 3.5 2.2
19 2.4 16 e11 e3.5 e7.0 e3.2 20 6.3 5.3 5.0 2.7 2.1
20 4.6 23 e11 e3.5 e10 e3.1 34 8.4 3.6 3.7 2.4 4.1
21 30 20 12 e3.4 e18 e3.0 28 7.0 3.1 2.5 3.2 7.6
22 30 16 9.8 e4.0 e52 e3.0 18 6.3 3.0 1.8 6.9 6.5
23 23 13 9.2 e5.0 e28 e2.9 14 5.5 2.5 1.3 7.6 4.7
24 16 e11 19 e4.0 e19 e3.0 12 5.3 2.0 1.2 5.8 4.1
25 12 8.6 26 e3.5 e11 e3.0 10 4.9 1.8 .95 3.7 3.8
26 9.0 8.6 21 e3.5 e6.6 e3.5 9.3 4.9 1.5 .92 2.6 3.7
27 7.0 e8.0 10 e3.4 e12 e15 8.2 4.6 1.6 .84 2.9 4.3
28 5.9 e7.5 e9.0 e3.4 e38 e25 15 4.3 1.4 1.1 6.6 4.0
29 5.4 7.2 e8.5 e3.3 --- e45 22 3.9 1.3 1.3 15 10
30 5.1 7.9 e8.0 e3.1 --- e100 15 3.6 .99 1.1 7.9 22
31 5.8 --- e7.5 e3.0 --- e62 --- 3.7 --- .99 5.1 ---
TOTAL 227.7 596.1 831.5 141.8 247.3 410.9 520.1 314.3 72.09 128.91 123.88 131.4
MEAN 7.35 19.9 26.8 4.57 8.83 13.3 17.3 10.1 2.40 4.16 4.00 4.38
MAX 30 226 312 8.5 52 100 45 29 5.3 25 15 22
MIN 2.4 4.1 7.5 3.0 2.1 2.9 5.4 3.6 .90 .84 .53 1.4
CFSM .87 2.35 3.17 .54 1.05 1.57 2.05 1.20 .28 .49 .47 .52
IN. 1.00 2.62 3.66 .62 1.09 1.81 2.29 1.38 .32 .57 .55 .58
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1963 - 1974, 1990 - 1997, BY WATER YEAR (WY)
MEAN 6.21 9.96 10.1 6.63 5.29 13.7 23.4 10.6 4.81 4.42 3.99 3.15
MAX 22.0 19.9 30.5 23.0 10.9 25.3 47.6 26.1 19.1 18.3 11.9 9.95
(WY) 1991 1997 1974 1996 1996 1966 1994 1996 1973 1990 1973 1973
MIN 1.79 2.95 3.81 2.79 1.75 2.64 5.98 3.85 1.23 .81 1.35 .88
(WY) 1965 1967 1967 1967 1964 1965 1995 1995 1963 1966 1993 1964
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1963 - 1974, 1990 - 1997
ANNUAL TOTAL 5055.16 3745.98
ANNUAL MEAN 13.8 10.3 8.43
HIGHEST ANNUAL MEAN 12.6 1973
LOWEST ANNUAL MEAN 4.15 1965
HIGHEST DAILY MEAN 312 Dec 2 312 Dec 2 312 Dec 2 1996
LOWEST DAILY MEAN .92 Aug 20 .53 Aug 10 .12 Jul 12 1995
ANNUAL SEVEN-DAY MINIMUM 1.2 Sep 2 .99 Aug 5 .17 Jul 10 1995
INSTANTANEOUS PEAK FLOW a 546 Dec 2 a 1030 Jan 19 1996
INSTANTANEOUS PEAK STAGE 7.08 Dec 2 8.59 Jan 19 1996
INSTANTANEOUS LOW FLOW c .48 Aug 10 .10 Jul 12 1995
ANNUAL RUNOFF (CFSM) 1.63 1.21 1.00
ANNUAL RUNOFF (INCHES) 22.25 16.49 13.56
10 PERCENT EXCEEDS 26 22 18
50 PERCENT EXCEEDS 7.0 5.1 4.6
90 PERCENT EXCEEDS 2.6 1.7 1.4
a From rating curve extended above 70 ft³/s.
b From floodmarks.
c Also occurred on August 11.
e Estimated.
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