MERRIMACK RIVER BASIN
01093800 STONY BROOK TRIBUTARY NEAR TEMPLE, NH
LOCATION.--Lat 42°51'36", long 71°50'00", Hillsborough County, Hydrologic Unit 01070002, on left bank, 150 ft
downstream from Putnam Road bridge, 2.9 mi north of Temple, and 5.5 mi upstream from mouth.
DRAINAGE AREA.--3.60 mi².
PERIOD OF RECORD.--Discharge records: May 1963 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Elevation of gage is 920 ft above sea level, from topographic map.
REMARKS.--Records good, except for estimated daily discharges, those below 3.5 ft³/s, and for December 3-7, 10, 13-21,
24, and April 7, which are fair.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 110 ft³/s and maximum (*):
Discharge Gage height Discharge Gage height
Date Time (ft³/s) (ft) Date Time (ft³/s) (ft)
Oct. 21 0715 * 648 * 5.63 Dec. 25 0045 117 3.84
Dec. 2 0800 357 4.86 Apr. 19 1130 127 3.90
Dec. 17 1545 136 3.95
Minimum discharge, 0.08 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 1.2 6.7 12 e15 e4.8 8.0 e21 14 3.7 1.1 .17 .88
2 .95 6.1 103 e14 4.4 11 18 12 3.6 .69 .17 .71
3 .85 5.6 e35 e13 e4.2 8.8 17 14 3.3 2.1 .19 .58
4 .72 5.2 24 13 e4.1 6.8 23 18 3.1 2.5 .17 .45
5 .71 5.0 e19 13 e17 6.7 30 13 3.7 1.2 .30 .36
6 .79 4.7 e18 16 13 11 38 13 3.1 .92 .21 .30
7 .83 5.0 17 13 5.7 e8.1 63 13 2.9 .95 .16 .31
8 1.0 9.9 e17 e11 4.3 e7.7 28 10 2.7 1.1 .13 .39
9 14 51 e15 e10 3.9 6.9 19 9.5 2.8 7.7 .13 .37
10 6.7 24 14 12 3.8 8.3 15 9.6 2.9 11 .13 .36
11 4.5 15 e12 11 3.5 6.7 13 8.7 3.2 3.9 .13 .50
12 3.3 11 e18 11 3.3 5.0 13 7.7 2.9 2.4 .18 1.2
13 2.7 9.0 26 e10 3.0 5.1 25 7.2 3.6 1.5 .65 .79
14 2.8 8.0 21 e10 e3.3 e6.2 17 7.3 3.2 1.2 .79 .53
15 2.4 7.1 20 10 e3.2 e7.4 14 7.7 2.6 .99 .69 .45
16 2.3 6.7 19 e19 2.9 e5.4 13 7.3 1.3 1.0 .54 .38
17 2.1 6.5 72 e14 2.8 e5.1 13 6.8 1.2 .86 .53 .32
18 1.9 6.3 73 e9.2 3.0 e5.0 41 6.4 1.7 .85 .46 .31
19 2.0 6.2 55 e8.8 6.5 e4.8 92 7.3 3.1 .62 .45 .30
20 e134 5.9 41 e8.1 8.5 4.2 38 20 2.0 .46 .44 .33
21 e343 5.5 29 e7.2 e9.0 4.1 24 12 1.5 .45 3.3 .41
22 59 5.1 e23 e7.9 e42 4.5 19 8.7 1.4 .41 2.3 .35
23 28 5.0 e20 e7.6 18 e4.5 17 7.2 1.3 .33 1.3 .39
24 22 4.8 35 e6.5 e10 e4.1 15 6.5 1.2 .33 .82 .43
25 15 4.7 56 e6.8 e7.8 e4.0 13 7.2 1.0 .33 .58 .39
26 12 21 23 e9.1 7.4 22 12 6.5 1.0 .30 .53 .40
27 10 16 18 e8.1 11 16 10 5.3 .88 .26 .49 .38
28 11 e10 16 e8.7 11 20 27 4.8 .80 .24 .39 .37
29 9.6 8.1 20 e7.9 --- 26 22 4.3 .79 .19 3.4 .97
30 8.3 7.1 23 e8.1 --- 40 16 3.9 .63 .15 2.5 .70
31 7.6 --- e17 e6.0 --- 27 --- 3.7 --- .16 1.2 ---
TOTAL 711.25 292.2 911 325.0 221.4 310.4 726 282.6 67.10 46.19 23.43 14.61
MEAN 22.9 9.74 29.4 10.5 7.91 10.0 24.2 9.12 2.24 1.49 .76 .49
MAX 343 51 103 19 42 40 92 20 3.7 11 3.4 1.2
MIN .71 4.7 12 6.0 2.8 4.0 10 3.7 .63 .15 .13 .30
CFSM 6.37 2.71 8.16 2.91 2.20 2.78 6.72 2.53 .62 .41 .21 .14
IN. 7.35 3.02 9.41 3.36 2.29 3.21 7.50 2.92 .69 .48 .24 .15
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1963 - 1997, BY WATER YEAR (WY)
MEAN 4.58 7.67 8.78 6.42 6.85 13.7 19.4 9.45 4.70 1.87 1.50 1.52
MAX 22.9 18.9 29.4 18.6 19.0 30.9 38.9 28.6 17.1 7.26 6.51 8.50
(WY) 1997 1996 1997 1996 1970 1983 1987 1984 1968 1968 1986 1975
MIN .34 .65 1.34 1.09 1.59 3.65 4.10 2.64 .66 .28 .18 .11
(WY) 1965 1979 1979 1977 1977 1989 1985 1985 1964 1966 1966 1964
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1963 - 1997
ANNUAL TOTAL 4534.78 3931.18
ANNUAL MEAN 12.4 10.8 7.22
HIGHEST ANNUAL MEAN 10.9 1984
LOWEST ANNUAL MEAN 2.58 1965
HIGHEST DAILY MEAN e 343 Oct 21 e 343 Oct 21 e 343 Oct 21 1996
LOWEST DAILY MEAN .12 Sep 6 a .13 Aug 8 .05 Aug 21 1966
ANNUAL SEVEN-DAY MINIMUM .14 Sep 1 .15 Aug 6 .07 Sep 14 1964
INSTANTANEOUS PEAK FLOW 648 Oct 21 648 Oct 21 1996
INSTANTANEOUS PEAK STAGE 5.63 Oct 21 b 7.81 Feb 3 1970
INSTANTANEOUS LOW FLOW .08 Aug 11 c .00 Sep 26 1976
ANNUAL RUNOFF (CFSM) 3.44 2.99 2.01
ANNUAL RUNOFF (INCHES) 46.86 40.62 27.26
10 PERCENT EXCEEDS 25 22 17
50 PERCENT EXCEEDS 6.3 6.1 3.5
90 PERCENT EXCEEDS .46 .39 .44
a Also occurred August 9-11.
b Ice jam, also occurred on December 21, 1973.
c No flow for part of September 26, 1976.
e Estimated.
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