WINCHESTER 1 SE, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(109840)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196504
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 44.74 39.37 34.32 30.13 29.13 35.54
1940 21.29 26.62 29.20 a 33.90 39.00 43.73 47.68 43.74 46.40 38.74 23.50 24.10 34.83
1941 25.42 26.39 28.29 32.57 38.81 44.80 51.55 48.26 38.40 34.65 29.83 22.71 35.14
1942 17.30 a 18.78 a 25.00 b 32.00 a 36.48 39.70 48.00 45.87 39.30 33.65 25.85 d 23.03 32.08
1943 11.39 22.14 20.00 a 32.37 34.45 39.47 47.77 43.52 39.60 35.26 27.00 18.90 30.99
1944 18.55 18.52 19.55 30.63 36.84 41.83 44.74 42.90 41.40 36.00 23.70 19.06 31.14
1945 20.71 23.21 22.84 28.63 36.23 41.67 47.06 46.58 38.83 34.65 26.20 21.19 32.32
1946 20.48 20.86 27.23 31.60 36.23 41.07 47.58 45.55 39.20 29.06 26.00 23.42 32.36
1947 16.68 24.54 27.77 31.20 39.23 42.67 46.16 43.13 41.33 36.87 26.73 25.39 33.47
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.94 37.70 31.23 25.03 12.03 29.99
1949 -2.39 16.89 25.29 31.37 39.52 41.07 42.10 b 44.65 39.93 28.92 e 31.97 22.45 b 30.15
1950 5.03 21.75 24.29 28.67 34.48 42.87 45.42 44.68 37.87 34.71 26.10 27.93 a 31.15
1951 14.74 17.75 18.74 27.07 35.03 38.13 45.70 a 41.48 37.27 30.39 c 25.10 16.90 29.03
1952 16.81 20.90 20.13 30.73 36.87 41.40 46.35 44.74 39.70 33.45 19.63 22.45 31.10
1953 29.94 22.36 25.90 29.97 33.48 38.83 44.32 45.29 39.33 32.52 h 29.17 25.10 33.06
1954 19.87 a 26.96 20.71 29.57 35.81 38.55 a 44.97 42.42 38.57 30.68 31.17 21.26 31.71
1955 18.71 16.39 14.84 25.35 d 32.50 a 42.00 46.32 42.84 39.13 34.55 19.53 17.11 c 29.11
1956 19.48 14.28 20.65 31.37 38.77 41.13 47.81 43.77 39.40 32.77 24.30 23.84 31.46
1957 6.87 20.68 27.27 i 30.73 41.03 43.50 45.77 42.97 39.27 34.16 23.17 g 26.19 33.12
1958 23.61 29.54 21.93 a 30.53 42.19 46.37 49.35 49.23 39.33 34.77 25.77 28.23 35.07
1959 22.61 20.32 25.58 30.53 33.19 43.00 45.52 43.35 40.67 33.16 22.60 22.29 31.90
1960 14.65 17.79 24.10 30.47 32.68 40.13 48.29 45.19 39.80 33.03 27.33 20.10 31.13
1961 24.65 29.21 28.03 31.60 36.77 44.73 48.23 49.23 37.53 32.10 24.30 20.55 33.91
1962 17.32 21.89 23.23 33.47 35.84 40.97 45.06 46.13 40.90 35.23 29.20 23.61 32.74
1963 10.48 28.57 26.03 30.47 36.94 44.70 44.26 45.77 45.20 36.90 29.40 23.48 33.52
1964 21.74 19.03 22.13 28.77 34.35 43.17 45.97 45.10 37.30 34.97 27.50 19.80 a 31.65
1965 22.97 24.04 19.00 32.03 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 24.51
Period of Record Statistics
MEAN 17.56 21.98 23.35 30.62 36.53 41.90 46.50 44.81 39.72 33.77 26.28 22.32 32.09
S.D. 7.05 4.19 3.66 1.90 2.58 2.15 1.96 1.96 2.12 2.39 3.18 3.78 1.71
SKEW -1.01 0.24 -0.31 -0.85 0.35 0.10 0.30 0.76 1.79 -0.32 -0.30 -0.51 0.19
MAX 29.94 29.54 29.20 33.90 42.19 46.37 51.55 49.23 46.40 38.74 31.97 29.13 35.14
MIN -2.39 14.28 14.84 25.35 32.50 38.13 42.10 41.48 37.27 28.92 19.53 12.03 29.03
NO YRS 25 25 24 25 24 24 24 26 26 25 25 26 22