BONANZA st,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(420802)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199302
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
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.00 42.00 25.00 4.00 -5.00 -5.00
1939 -5.00 -12.00 -5.00 17.00 34.00 b 37.00 a 53.00 49.00 39.00 26.00 18.00 -8.00 -12.00
1940 -17.00 -1.00 17.00 28.00 38.00 38.00 51.00 43.00 44.00 28.00 7.00 -9.00 -17.00
1941 -13.00 -15.00 7.00 23.00 32.00 39.00 44.00 45.00 32.00 12.00 -2.00 -2.00 a -15.00
1942 -20.00 -15.00 6.00 16.00 27.00 32.00 41.00 47.00 32.00 24.00 7.00 3.00 -20.00
1943 -5.00 1.00 7.00 26.00 33.00 39.00 a 47.00 50.00 33.00 17.00 2.00 b -7.00 a -7.00
1944 -27.00 b -5.00 a 8.00 26.00 33.00 a 43.00 v 42.00 37.00 29.00 25.00 1.00 -1.00 -27.00
1945 -6.00 -4.00 -2.00 5.00 39.00 35.00 47.00 52.00 29.00 26.00 9.00 -4.00 -6.00
1946 -6.00 2.00 12.00 12.00 28.00 35.00 50.00 51.00 a 33.00 28.00 15.00 -5.00 -6.00
1947 -5.00 12.00 a 13.00 22.00 a 35.00 37.00 51.00 50.00 40.00 34.00 2.00 -7.00 a -7.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z 48.00 a 49.00 42.00 20.00 6.00 -10.00 -10.00
1949 -22.00 -21.00 14.00 25.00 34.00 36.00 52.00 49.00 39.00 24.00 22.00 -7.00 -22.00
1950 -21.00 -12.00 11.00 20.00 29.00 33.00 46.00 47.00 a 37.00 29.00 0.00 5.00 -21.00
1951 -10.00 -19.00 8.00 ----- z 28.00 37.00 44.00 34.00 34.00 25.00 8.00 -8.00 -19.00
1952 -25.00 -3.00 2.00 23.00 32.00 41.00 45.00 44.00 41.00 25.00 -5.00 0.00 -25.00
1953 -3.00 3.00 17.00 20.00 24.00 42.00 54.00 44.00 41.00 30.00 8.00 2.00 -3.00
1954 8.00 15.00 9.00 25.00 30.00 27.00 49.00 48.00 38.00 22.00 10.00 -5.00 -5.00
1955 -8.00 -15.00 5.00 20.00 30.00 30.00 51.00 t 49.00 35.00 27.00 -3.00 4.00 -15.00
1956 15.00 -5.00 14.00 26.00 35.00 43.00 46.00 42.00 38.00 29.00 13.00 -10.00 -10.00
1957 -15.00 -8.00 29.00 30.00 38.00 42.00 47.00 38.00 33.00 29.00 7.00 11.00 -15.00
1958 -2.00 12.00 18.00 23.00 38.00 39.00 46.00 44.00 29.00 20.00 6.00 10.00 -2.00
1959 -5.00 0.00 13.00 25.00 34.00 43.00 49.00 44.00 29.00 25.00 9.00 -4.00 p -5.00
1960 -13.00 -7.00 8.00 26.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -13.00
1961 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1963 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1964 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1965 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1966 ----- z ----- z ----- z ----- z ----- z 37.00 q 42.00 a 28.00 c 28.00 f 23.00 d 16.00 d -12.00 e -12.00
1967 -9.00 f 3.00 f 12.00 d 22.00 g 23.00 e 41.00 d 52.00 g 50.00 d 35.00 e 24.00 f 10.00 e -5.00 f -9.00
1968 -16.00 e 0.00 e 17.00 g 20.00 d 26.00 e 44.00 e 33.00 e 39.00 e ----- z ----- z ----- z -4.00 g -16.00
1969 0.00 i -2.00 g 4.00 i 26.00 e 40.00 e 38.00 g 50.00 h 51.00 e 39.00 f 19.00 f 10.00 f -4.00 g -4.00
1970 -8.00 e 11.00 d 14.00 e 12.00 e 28.00 g 36.00 d 48.00 g 52.00 e 26.00 e 13.00 e 16.00 g 0.00 e -8.00
1971 -21.00 f 5.00 f 5.00 f 19.00 i 27.00 e 38.00 f 46.00 f 48.00 h 28.00 j 25.00 q 3.00 f -6.00 j -21.00
1972 -8.00 e 0.00 f 15.00 g 28.00 j 19.00 k 43.00 g 51.00 t 45.00 p 35.00 v ----- z ----- z ----- z -8.00
1973 -18.00 j -11.00 j 13.00 j 11.00 g 19.00 g 33.00 h 42.00 k 43.00 i 27.00 m 19.00 n 3.00 m -5.00 k -18.00
1974 -21.00 i -4.00 i 14.00 i 22.00 h 31.00 h 32.00 47.00 c 44.00 30.00 31.00 b 9.00 -3.00 a -21.00
1975 -6.00 3.00 b 2.00 8.00 25.00 36.00 49.00 43.00 35.00 17.00 a 0.00 -1.00 -6.00
1976 -9.00 a 7.00 a 0.00 27.00 31.00 30.00 b 53.00 a 46.00 37.00 19.00 -4.00 3.00 -9.00
1977 -4.00 10.00 10.00 11.00 31.00 49.00 52.00 48.00 34.00 26.00 1.00 1.00 -4.00
1978 1.00 1.00 19.00 25.00 31.00 36.00 49.00 39.00 26.00 25.00 9.00 -18.00 -18.00
1979 -23.00 -21.00 11.00 19.00 28.00 35.00 49.00 48.00 37.00 18.00 -2.00 0.00 -23.00
1980 -7.00 -8.00 10.00 14.00 29.00 38.00 52.00 41.00 37.00 20.00 10.00 a 14.00 -8.00
1981 11.00 5.00 22.00 22.00 a 29.00 31.00 52.00 50.00 38.00 22.00 4.00 a 5.00 4.00
1982 -8.00 -14.00 18.00 12.00 29.00 39.00 46.00 53.00 35.00 24.00 14.00 -6.00 -14.00
1983 -3.00 6.00 18.00 15.00 32.00 38.00 49.00 53.00 32.00 31.00 7.00 -10.00 -10.00
1984 -24.00 -9.00 4.00 24.00 26.00 38.00 55.00 51.00 25.00 21.00 7.00 -3.00 -24.00
1985 -15.00 -22.00 7.00 30.00 37.00 42.00 53.00 46.00 29.00 35.00 n 11.00 -4.00 -22.00
1986 3.00 7.00 25.00 23.00 32.00 48.00 l 51.00 53.00 33.00 a 27.00 21.00 8.00 3.00
1987 -6.00 11.00 13.00 24.00 33.00 45.00 48.00 48.00 39.00 j 29.00 14.00 -13.00 -13.00
1988 -14.00 -9.00 9.00 20.00 27.00 36.00 52.00 50.00 30.00 a 33.00 p 9.00 -15.00 -15.00
1989 -10.00 -28.00 -2.00 13.00 32.00 37.00 53.00 44.00 32.00 18.00 9.00 4.00 -28.00
1990 0.00 -13.00 12.00 20.00 23.00 30.00 47.00 45.00 39.00 21.00 6.00 -32.00 -32.00
1991 -15.00 -9.00 11.00 15.00 23.00 34.00 44.00 o 46.00 k 31.00 -1.00 3.00 -5.00 m -15.00
1992 -18.00 m -2.00 18.00 21.00 32.00 34.00 38.00 33.00 30.00 20.00 -4.00 -11.00 -18.00
1993 -18.00 -18.00 o ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -18.00
Period of Record Statistics
MEAN -9.14 -4.17 10.83 20.46 30.88 37.15 48.05 45.73 34.29 23.27 6.84 -3.56 -13.04
S.D. 9.42 10.80 7.22 6.05 4.48 4.64 4.56 5.62 4.77 6.24 6.54 8.51 8.88
SKEW 0.27 -0.15 0.08 -0.64 0.10 0.14 -1.09 -1.11 0.04 -1.48 0.20 -0.62 -0.31
MAX 15.00 15.00 29.00 30.00 40.00 49.00 55.00 53.00 44.00 34.00 22.00 14.00 4.00
MIN -27.00 -28.00 -5.00 5.00 23.00 27.00 33.00 28.00 25.00 -1.00 -5.00 -32.00 -32.00
NO YRS 42 41 41 41 42 40 40 45 42 41 43 41 28