ST. LAWRENCE RIVER BASIN
04282795 LAPLATTE RIVER AT SHELBURNE FALLS, VT
LOCATION.--Lat 44°22'12", long 73°13'00", Chittenden County, Hydrologic Unit 02010003, on left bank, 150 ft upstream of
small right bank tributary, 300 ft upstream of Shelburne Falls bridge, at Shelburne Falls, 0.9 mi southeast of
Shelburne, 1.3 mi upstream of Munroe Brook, 2.0 mi above mouth.
DRAINAGE AREA.--44.6 mi².
PERIOD OF RECORD.--Discharge records: March 1990 to current year.
GAGE.--Nonrecording gage at site 100 ft downstream, March to October 23, 1990. Water-stage recorder, October 24, 1990,
to current year. 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 598 ft³/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft³/s) (ft) Date Time (ft³/s) (ft)
Dec. 2 0645 * 1,930 * 6.67 Mar. 29 ---- 600 Ice jam
Minimum discharge, 2.1 ft³/s, August 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 5.2 7.1 169 e38 e17 92 e170 54 23 5.6 4.3 9.0
2 4.4 6.6 1410 e36 e16 118 152 87 29 5.0 3.9 7.0
3 5.3 6.3 541 e34 e15 115 144 60 20 5.4 4.8 7.5
4 5.2 6.1 222 e32 e15 82 143 77 17 6.3 5.4 7.2
5 4.3 5.7 132 e33 e15 39 133 59 14 6.9 3.9 5.6
6 3.5 5.5 91 e35 e14 27 220 64 11 6.0 3.5 5.2
7 3.2 5.7 75 e29 e14 e26 192 277 10 5.4 3.1 5.3
8 3.1 6.1 76 e26 e13 e25 117 132 9.7 5.2 2.9 5.4
9 4.3 251 82 e25 e13 e24 87 80 8.8 20 4.0 5.1
10 7.5 199 73 e25 e13 e24 70 92 8.3 24 2.8 4.6
11 12 66 62 e24 e13 e22 61 92 7.6 9.3 3.2 4.1
12 9.5 39 58 e24 e12 e21 54 71 7.4 6.2 3.2 4.3
13 7.2 32 66 e24 e12 e21 65 66 7.3 5.2 6.7 4.3
14 6.1 26 104 e23 e12 e20 64 54 7.4 5.4 20 5.3
15 5.4 24 155 e22 e12 e19 48 50 6.3 14 7.8 6.2
16 5.1 29 97 e21 e12 e19 43 66 6.0 27 5.2 5.0
17 5.5 19 78 e20 e12 e18 40 59 6.7 11 4.7 4.1
18 4.6 19 72 e20 e13 e17 46 48 8.4 30 4.2 4.1
19 4.6 74 73 e20 e20 e17 78 45 14 25 3.3 3.9
20 4.5 116 73 e19 e45 e16 209 47 9.3 14 2.9 4.9
21 27 89 69 e19 e40 e16 241 37 13 9.6 5.0 5.7
22 46 59 69 e18 e270 e16 140 40 13 8.3 11 5.3
23 73 43 46 e25 e195 e16 93 41 17 7.4 7.1 4.7
24 72 35 156 e21 e110 e16 74 32 10 6.7 8.1 4.2
25 49 35 206 e19 e74 e17 64 28 9.1 6.2 5.6 4.2
26 25 27 93 e19 e56 e20 55 26 7.2 6.0 4.4 4.1
27 16 28 66 e18 e62 e28 46 23 6.9 5.5 4.4 4.0
28 12 26 55 e18 171 e65 68 20 6.5 5.3 24 4.0
29 9.4 24 69 e18 --- e185 82 18 6.2 5.1 53 12
30 8.5 23 e64 e17 --- e360 58 18 5.9 4.6 17 33
31 10 --- e45 e17 --- e240 --- 17 --- 4.1 9.6 ---
TOTAL 458.4 1332.1 4647 739 1286 1741 3057 1880 326.0 305.7 249.0 189.3
MEAN 14.8 44.4 150 23.8 45.9 56.2 102 60.6 10.9 9.86 8.03 6.31
MAX 73 251 1410 38 270 360 241 277 29 30 53 33
MIN 3.1 5.5 45 17 12 16 40 17 5.9 4.1 2.8 3.9
CFSM .33 1.00 3.36 .53 1.03 1.26 2.28 1.36 .24 .22 .18 .14
IN. .38 1.11 3.88 .62 1.07 1.45 2.55 1.57 .27 .25 .21 .16
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 1997, BY WATER YEAR (WY)
MEAN 38.6 58.8 54.7 46.7 25.6 62.7 129 60.0 22.8 14.4 19.1 7.94
MAX 113 135 150 159 45.9 95.5 249 181 79.4 41.5 99.7 18.7
(WY) 1991 1991 1997 1996 1997 1991 1993 1996 1996 1990 1990 1991
MIN 3.97 11.1 16.5 14.0 8.61 32.3 28.8 16.1 5.82 1.69 2.80 2.62
(WY) 1995 1995 1993 1993 1993 1996 1995 1995 1995 1995 1995 1995
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1990 - 1997
ANNUAL TOTAL 28523.0 16210.5
ANNUAL MEAN 77.9 44.4 43.7
HIGHEST ANNUAL MEAN 70.7 1996
LOWEST ANNUAL MEAN 21.8 1995
HIGHEST DAILY MEAN 1410 Dec 2 1410 Dec 2 1410 Dec 2 1996
LOWEST DAILY MEAN 2.1 Sep 23 2.8 Aug 10 .23 Sep 4 1995
ANNUAL SEVEN-DAY MINIMUM 2.6 Sep 18 3.2 Aug 6 .33 Aug 31 1995
INSTANTANEOUS PEAK FLOW a 1930 Dec 2 a 2640 Jan 19 1996
INSTANTANEOUS PEAK STAGE 6.67 Dec 2 9.50 Feb 20 1994
INSTANTANEOUS LOW FLOW 2.1 Aug 11 .18 Sep 3 1995
ANNUAL RUNOFF (CFSM) 1.75 1.00 .98
ANNUAL RUNOFF (INCHES) 23.79 13.52 13.32
10 PERCENT EXCEEDS 193 93 108
50 PERCENT EXCEEDS 27 19 18
90 PERCENT EXCEEDS 4.0 4.6 3.7
a From rating curve extended above 750 ft³/s.
e Estimated.
Back to station selections
Back to District Home Page
To WRD National Home Page
To USGS National Home Page
Comments and suggestions can be sent to
NH-VT Webmaster