SACO RIVER BASIN
01064300 ELLIS RIVER NEAR JACKSON, NH
LOCATION.--Lat 44°13'12", long 71°15'00", Carroll County, Hydrologic Unit 01060002, in White Mountain National Forest,
on right bank, 0.4 mi upstream from small left-bank tributary, 1.3 mi upstream from bridge on State Highway 16, and
6 mi northwest of Jackson.
DRAINAGE AREA.--10.9 mi².
PERIOD OF RECORD.--Discharge records: December 1963 to current year.
GAGE.--Water-stage recorder. Elevation of gage is 1,500 ft above sea level, from topographic map. Prior to
October 14, 1969, at site 0.3 mi downstream at different datum.
REMARKS.--Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 400 ft³/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft³/s) (ft) Date Time (ft³/s) (ft)
Oct. 21 2030 783 4.09 July 3 2015 670 3.86
Nov. 9 1245 * 1,270 * 4.96 July 15 0645 561 3.62
Dec. 2 0900 900 4.32
Minimum discharge, 8.6 ft³/s, October 8.
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 11 25 32 e19 12 17 22 156 167 26 18 16
2 11 22 361 e20 12 53 e18 158 117 25 18 15
3 11 19 57 e21 12 38 e17 66 95 167 18 15
4 9.8 18 35 e23 12 24 20 78 84 104 17 15
5 9.5 17 27 e33 12 20 24 59 81 53 17 14
6 9.4 17 24 50 12 18 62 66 80 38 16 14
7 9.2 20 23 32 11 e17 178 73 79 32 15 14
8 9.0 281 e22 e31 11 e15 67 49 80 30 15 15
9 22 662 e21 e30 e11 e15 36 42 82 30 15 14
10 22 137 20 24 11 e16 e30 40 136 51 15 14
11 20 69 19 19 11 14 e25 40 147 32 18 15
12 14 49 18 18 11 e14 22 47 128 27 17 22
13 13 40 18 17 11 e13 22 82 128 25 24 17
14 12 e37 18 15 11 e18 22 92 95 110 20 15
15 11 e35 17 14 10 e14 21 88 61 232 16 14
16 11 e38 17 15 e9.8 e12 26 95 56 78 16 14
17 11 26 e22 14 9.7 12 34 79 54 53 15 13
18 10 26 e20 15 10 e12 94 74 66 60 14 13
19 9.9 24 e18 15 15 12 126 75 130 74 14 12
20 11 23 26 14 19 e12 62 187 66 50 13 13
21 321 22 32 e13 16 12 51 92 62 40 28 13
22 226 19 40 13 78 12 46 80 75 34 70 13
23 70 18 23 14 47 11 52 83 57 30 29 14
24 50 e19 46 e13 e23 11 51 64 46 28 22 14
25 35 e17 67 14 e21 11 42 86 41 26 19 13
26 27 19 e30 e13 e19 16 49 84 42 25 18 13
27 24 22 e27 e12 18 13 56 66 36 24 17 12
28 32 e21 25 e12 22 14 58 82 32 23 28 12
29 30 e19 30 12 --- 16 52 99 30 22 21 39
30 26 e17 34 12 --- 52 63 115 28 20 19 30
31 34 --- e20 12 --- 34 --- 158 --- 19 17 ---
TOTAL 1121.8 1778 1189 579 477.5 568 1448 2655 2381 1588 619 467
MEAN 36.2 59.3 38.4 18.7 17.1 18.3 48.3 85.6 79.4 51.2 20.0 15.6
MAX 321 662 361 50 78 53 178 187 167 232 70 39
MIN 9.0 17 17 12 9.7 11 17 40 28 19 13 12
CFSM 3.32 5.44 3.52 1.71 1.56 1.68 4.43 7.86 7.28 4.70 1.83 1.43
IN. 3.83 6.07 4.06 1.98 1.63 1.94 4.94 9.06 8.13 5.42 2.11 1.59
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1964 - 1997, BY WATER YEAR (WY)
MEAN 31.0 35.7 25.2 17.7 15.7 25.6 69.9 85.0 41.2 23.4 20.1 18.4
MAX 80.9 90.1 104 57.6 109 67.5 150 159 99.3 60.5 62.5 41.7
(WY) 1996 1970 1974 1986 1981 1979 1987 1984 1973 1996 1990 1981
MIN 9.15 9.29 6.54 4.34 3.07 6.05 23.1 45.7 16.1 10.5 7.46 6.98
(WY) 1970 1979 1979 1977 1977 1969 1995 1993 1970 1980 1980 1978
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1964 - 1997
ANNUAL TOTAL 18145.8 14871.3
ANNUAL MEAN 49.6 40.7 34.3
HIGHEST ANNUAL MEAN 53.0 1996
LOWEST ANNUAL MEAN 21.6 1965
HIGHEST DAILY MEAN 662 Nov 9 662 Nov 9 1160 Jun 30 1973
LOWEST DAILY MEAN 8.4 Sep 7 9.0 Oct 8 a 2.2 Mar 2 1980
ANNUAL SEVEN-DAY MINIMUM 9.1 Sep 6 9.8 Oct 2 2.3 Mar 1 1980
INSTANTANEOUS PEAK FLOW b 1270 Nov 9 b 4500 Nov 3 1966
INSTANTANEOUS PEAK STAGE 4.96 Nov 9 c 18.90 Nov 3 1966
INSTANTANEOUS LOW FLOW 8.6 Oct 8 d
ANNUAL RUNOFF (CFSM) 4.55 3.74 3.15
ANNUAL RUNOFF (INCHES) 61.93 50.75 42.77
10 PERCENT EXCEEDS 104 82 70
50 PERCENT EXCEEDS 23 22 18
90 PERCENT EXCEEDS 10 12 8.2
a Also on March 3, 4 1980.
b From rating curve extended above 390 ft³/s on basis of slope-area measurements at gage height 10.34 ft.
c Gage height 10.34 ft from recorder, affected by drawdown; 18.9 ft from floodmarks, site and datum then in use.
d Minimum not determined, occurred during ice effect in March 1980.
e Estimated.
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