PARMA EXPERIMENT STN, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(106844)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201206
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
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.92 f 19.55 19.55
1923 26.03 17.07 24.97 35.10 44.23 48.77 55.97 53.71 45.43 36.10 24.53 19.42 35.94
1924 10.97 29.03 26.52 34.00 44.23 52.04 b 54.87 49.71 42.37 37.03 27.13 7.66 b 34.63
1925 17.47 a 29.82 29.52 37.97 45.47 a 50.24 a 56.77 50.07 a 44.70 34.39 27.37 28.58 37.70
1926 22.63 a 30.00 29.16 39.20 41.77 51.20 55.94 53.39 37.43 34.58 31.80 19.26 37.20
1927 20.32 30.32 28.42 32.77 41.52 49.93 53.52 49.74 42.50 34.10 34.77 16.84 36.23
1928 21.06 23.93 31.77 32.56 e 45.45 47.50 54.26 47.84 40.83 36.19 29.73 13.77 35.41
1929 10.06 13.61 31.10 35.10 42.06 49.50 56.93 a 57.13 42.77 33.52 20.10 26.10 34.83
1930 6.23 30.57 32.84 40.80 44.13 48.63 58.71 59.06 47.17 34.71 22.20 13.70 a 36.56
1931 19.35 25.68 31.23 36.17 45.74 53.10 59.23 55.00 46.90 37.65 24.60 18.19 37.74
1932 17.13 19.24 33.26 38.63 46.29 52.97 56.87 53.16 43.90 35.23 29.47 13.55 36.64
1933 19.97 8.57 29.35 32.83 40.23 52.77 54.90 51.13 41.17 34.29 25.10 31.71 35.17
1934 28.32 29.39 33.13 39.50 45.74 49.83 a 56.32 52.81 40.63 36.39 34.03 25.94 39.34
1935 22.52 23.79 27.32 37.33 41.84 49.47 53.90 50.65 43.17 33.52 23.07 21.00 35.63
1936 22.81 18.48 27.77 38.03 44.68 52.07 57.19 53.97 40.80 33.94 15.73 20.55 35.50
1937 0.58 20.07 30.84 36.00 42.65 47.97 57.19 50.23 43.43 35.74 32.97 27.55 35.43
1938 24.55 29.64 31.39 37.23 42.87 51.43 56.97 51.42 46.37 36.84 21.53 21.87 37.68
1939 25.26 23.71 30.00 36.17 46.00 45.80 55.03 51.65 41.60 36.13 20.77 27.48 36.63
1940 24.16 30.55 31.90 37.47 42.81 49.90 a 54.65 50.32 48.30 36.81 24.63 22.55 37.84
1941 22.77 a ----- z 28.16 34.77 42.94 47.43 54.68 53.90 42.13 35.97 27.70 26.90 37.94
1942 11.90 22.36 26.03 35.27 40.65 45.60 54.19 51.03 42.10 34.48 27.43 26.32 34.78
1943 20.32 21.54 26.13 37.53 38.29 44.80 51.29 48.97 41.93 35.84 24.13 18.94 34.14
1944 7.23 22.97 22.23 33.93 40.23 45.23 50.03 46.71 39.57 33.06 26.77 18.74 32.22
1945 21.87 26.07 25.77 31.37 40.06 44.07 48.58 50.05 j 41.13 37.03 30.50 23.16 33.60
1946 20.39 24.93 34.29 36.37 42.32 48.27 56.13 53.29 40.57 33.26 29.33 27.19 37.19
1947 14.03 27.82 32.00 36.83 46.58 48.37 54.52 52.68 43.43 40.29 28.30 25.03 37.49
1948 21.68 24.69 26.97 34.83 42.39 53.50 52.35 52.92 f 43.27 d 33.43 a 28.03 a 14.61 34.16
1949 -2.06 20.96 29.81 36.75 b 45.23 48.40 53.26 54.55 45.07 31.72 b 27.59 c 22.79 c 34.50
1950 14.46 c 21.32 c 28.74 d 33.80 e 37.76 f 48.14 b 54.29 54.81 46.87 41.48 30.93 b 29.87 36.79
1951 22.03 a 25.25 24.77 36.54 b 43.84 46.13 55.74 53.90 43.93 37.27 a 26.43 21.57 c 36.45
1952 19.41 b 20.72 d 29.13 a 37.29 b 43.84 49.30 53.74 53.42 45.30 35.48 20.77 26.71 36.26
1953 33.13 26.68 29.32 34.43 39.77 45.53 54.48 53.29 45.37 35.90 32.93 24.42 37.94
1954 27.13 a 27.68 26.77 35.97 43.26 45.73 54.97 49.52 42.03 31.03 29.43 20.03 36.13
1955 17.39 19.39 26.52 34.37 39.97 51.80 51.87 51.87 43.27 35.58 25.17 26.39 35.30
1956 24.55 17.07 28.52 35.53 45.39 47.37 55.87 50.23 40.37 33.94 23.70 23.16 35.47
1957 7.81 19.89 32.29 36.73 45.19 48.87 52.19 49.97 43.47 35.39 23.77 27.29 35.24
1958 21.10 32.39 28.87 36.60 48.48 52.90 56.32 55.71 42.97 34.06 26.33 27.65 38.62
1959 27.00 28.25 26.97 36.40 39.03 49.47 52.81 50.65 43.93 35.43 a 20.27 17.06 35.61
1960 14.32 25.07 29.61 36.13 41.03 50.33 57.77 49.71 44.07 34.10 29.93 18.81 35.91
1961 21.45 32.61 33.10 35.33 43.80 a 52.57 56.13 57.13 a 41.37 34.10 23.83 23.16 37.88
1962 10.84 24.25 28.26 36.77 43.84 48.37 52.55 50.84 43.53 36.26 30.00 26.52 36.00
1963 14.68 30.00 30.58 34.90 a 44.81 48.40 50.03 a 50.94 48.33 38.10 30.23 20.84 36.82
1964 15.74 12.72 27.97 ----- z 38.35 47.97 52.16 47.42 38.57 30.32 26.20 23.26 32.79
1965 22.63 a 22.79 20.48 38.50 41.03 ----- z 52.16 51.94 39.10 32.55 29.93 19.00 33.65
1966 23.19 22.61 27.10 32.37 42.55 47.00 51.17 a 51.60 a 46.53 29.16 30.17 24.32 35.65
1967 26.35 23.96 27.52 31.80 41.16 50.43 56.84 53.45 48.67 31.32 29.13 18.48 36.59
1968 19.19 28.14 30.03 31.57 41.81 49.07 ----- z 51.13 42.07 30.68 30.73 25.58 34.54
1969 24.39 26.61 24.19 36.83 46.61 51.30 52.81 49.42 43.50 30.90 24.03 25.00 36.30
1970 28.29 25.61 28.10 30.13 41.35 53.30 55.39 51.45 38.07 30.61 30.13 23.16 36.30
1971 24.94 24.46 26.26 34.67 44.52 49.27 54.77 55.77 37.70 31.10 26.53 21.48 35.96
1972 18.19 21.59 30.77 33.63 43.68 51.27 51.87 52.61 40.27 36.65 29.87 11.32 35.14
1973 20.87 27.14 30.71 34.63 42.97 48.47 54.13 51.13 42.93 32.77 30.47 27.48 36.98
1974 19.81 26.25 29.74 33.47 39.90 49.43 53.06 50.00 41.17 33.84 28.37 21.94 35.58
1975 15.94 27.14 29.42 32.73 41.39 49.87 59.74 50.23 41.43 35.61 24.40 22.35 35.85
1976 17.13 21.10 25.65 33.80 42.97 46.07 54.45 49.68 44.13 29.42 22.97 13.03 a 33.37
1977 9.39 19.82 26.26 36.70 40.94 54.33 53.29 53.48 42.40 ----- z 25.43 28.26 35.48
1978 26.39 28.71 31.87 37.67 41.13 45.47 52.97 49.29 43.30 30.00 20.40 16.26 35.29
1979 2.19 23.04 30.68 34.97 44.77 48.77 53.10 53.35 43.70 36.52 20.60 22.48 34.51
1980 21.58 30.00 28.71 37.20 43.06 45.00 53.10 46.94 42.90 32.19 26.93 23.74 35.95
1981 27.94 24.32 28.13 35.70 42.97 48.10 51.13 52.68 42.63 31.45 30.10 23.23 36.53
1982 10.94 19.68 28.45 31.10 40.48 50.23 53.42 51.52 42.07 34.23 23.47 20.10 33.81
1983 22.45 30.86 33.74 32.83 42.68 48.40 50.90 54.42 41.17 35.00 33.70 16.19 36.86
1984 12.61 ----- z 31.42 34.37 41.13 47.50 ----- z 54.48 39.97 30.58 30.33 ----- z 35.82
1985 6.65 16.18 26.58 37.13 45.29 49.67 57.48 48.23 39.47 29.48 17.17 1.68 31.25
1986 13.03 30.14 34.81 33.93 43.32 53.70 51.48 53.97 42.63 32.39 27.57 17.87 36.24
1987 15.00 26.75 32.06 37.87 48.26 51.83 52.97 48.19 41.57 31.10 28.70 23.81 36.51
1988 14.32 24.93 29.29 38.40 43.84 54.47 55.35 50.32 41.43 39.58 32.00 18.39 36.86
1989 8.03 4.29 31.52 38.53 42.77 51.83 55.00 52.19 42.70 34.58 23.97 17.32 33.56
1990 24.68 20.68 29.84 40.00 42.94 49.87 55.52 54.16 48.30 32.90 25.47 6.58 35.91
1991 14.06 27.82 29.71 35.23 41.71 46.40 54.29 53.45 43.80 32.77 27.60 20.06 35.58
1992 21.61 27.62 30.77 37.90 45.77 52.73 51.35 49.52 40.57 34.03 25.07 16.48 36.12
1993 13.10 16.61 29.16 35.13 46.65 48.33 49.39 48.10 42.07 35.87 17.17 25.61 33.93
1994 27.16 22.32 30.42 38.23 45.42 50.13 57.13 55.65 46.70 34.55 21.73 18.97 37.37
1995 26.35 29.75 32.26 35.53 44.74 49.40 55.81 49.45 45.70 32.16 31.93 25.16 38.19
1996 25.13 26.07 32.84 36.90 43.55 50.43 55.39 51.48 42.53 35.39 ----- z 26.65 38.76
1997 23.42 26.50 31.10 36.00 46.48 50.63 54.32 54.74 48.47 34.00 27.90 22.06 37.97
1998 27.23 29.64 30.55 35.10 45.74 49.23 ----- z 55.52 51.87 33.97 ----- z 20.74 37.96
1999 27.00 26.71 29.77 33.10 42.26 51.93 53.52 55.74 42.97 33.35 29.90 24.29 37.55
2000 26.23 30.34 30.48 39.13 47.23 51.33 56.52 54.71 44.97 36.97 24.40 24.71 38.92
2001 19.71 22.29 33.29 35.53 46.48 51.07 56.52 56.32 45.90 34.00 30.53 24.71 38.03
2002 24.68 20.79 27.81 36.60 43.58 52.37 58.19 51.71 46.17 32.97 24.60 29.10 37.38
2003 29.87 26.11 35.13 37.80 45.26 53.70 60.74 56.74 46.30 38.68 24.33 28.65 40.28
2004 20.29 26.41 32.45 37.77 45.10 51.67 57.32 55.97 45.27 38.06 29.60 26.19 38.84
2005 24.97 21.11 30.81 36.20 46.42 49.00 55.74 54.77 42.63 37.03 27.93 18.65 37.11
2006 ----- z 22.04 32.23 38.43 45.87 54.60 60.23 53.29 45.30 34.29 30.37 20.61 39.75
2007 17.45 27.43 32.13 36.07 47.00 52.73 61.77 53.42 46.83 36.03 27.30 23.39 38.46
2008 18.71 27.93 29.39 31.30 46.23 50.73 57.06 54.90 44.37 35.58 30.80 20.65 37.30
2009 23.87 25.93 28.10 35.13 45.61 54.30 57.26 55.35 48.33 33.74 27.00 18.03 37.72
2010 28.65 30.75 30.06 34.53 41.19 51.47 55.23 53.45 45.70 41.48 28.50 21.42 38.54
2011 20.67 a 25.25 32.42 32.77 41.94 49.43 54.97 56.55 48.47 38.58 26.40 16.19 36.97
2012 23.35 25.76 32.39 38.30 43.84 48.93 o ----- z ----- z ----- z ----- z ----- z ----- z 32.73
Period of Record Statistics
MEAN 19.42 24.43 29.55 35.71 43.47 49.75 54.77 52.34 43.45 34.53 26.84 21.54 36.33
S.D. 6.97 5.11 2.72 2.21 2.29 2.53 2.56 2.64 2.79 2.61 3.96 5.29 1.58
SKEW -0.82 -1.19 -0.53 -0.26 -0.09 -0.11 0.14 0.04 0.33 0.21 -0.49 -0.98 -0.41
MAX 33.13 32.61 35.13 40.80 48.48 54.60 61.77 59.06 51.87 41.48 34.77 31.71 40.28
MIN -2.06 4.29 20.48 30.13 38.29 44.07 48.58 46.71 37.43 29.16 15.73 1.68 31.25
NO YRS 89 88 90 89 89 88 86 87 89 88 87 89 77