COPPER MINE TRADING,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(022099)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197612
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 19.00 m 26.00 38.00 38.00 51.00 55.00 44.00 29.00 27.00 a 12.00 12.00
1940 10.00 16.00 19.00 30.00 39.00 45.00 52.00 49.00 47.00 a ----- z 20.00 h 8.00 8.00
1941 17.00 20.00 21.00 24.00 30.00 37.00 52.00 49.00 37.00 25.00 12.00 a 12.00 g 12.00
1942 3.00 b -1.00 a 17.00 30.00 27.00 44.00 45.00 48.00 29.00 30.00 20.00 16.00 -1.00
1943 4.00 12.00 18.00 26.00 30.00 37.00 49.00 53.00 44.00 25.00 18.00 13.00 a 4.00
1944 9.00 13.00 10.00 24.00 27.00 36.00 52.00 a 48.00 42.00 35.00 16.00 15.00 9.00
1945 12.00 15.00 17.00 14.00 32.00 38.00 39.00 32.00 ----- z 25.00 l 13.00 3.00 3.00
1946 7.00 11.00 19.00 24.00 30.00 48.00 54.00 55.00 39.00 27.00 19.00 7.00 7.00
1947 0.00 20.00 21.00 24.00 34.00 38.00 44.00 53.00 54.00 r 33.00 e 15.00 12.00 0.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z 52.00 48.00 44.00 29.00 10.00 8.00 8.00
1949 -7.00 -7.00 19.00 19.00 32.00 36.00 v 42.00 o 55.00 r 47.00 20.00 28.00 6.00 -7.00
1950 -4.00 12.00 12.00 28.00 25.00 36.00 53.00 47.00 m 25.00 f ----- z ----- z 18.00 -4.00
1951 6.00 1.00 11.00 20.00 28.00 b 49.00 k 56.00 43.00 38.00 29.00 14.00 8.00 1.00
1952 5.00 14.00 13.00 29.00 35.00 46.00 54.00 52.00 40.00 38.00 p 9.00 c 6.00 5.00
1953 16.00 7.00 8.00 20.00 25.00 38.00 55.00 48.00 42.00 23.00 14.00 9.00 7.00
1954 10.00 16.00 12.00 25.00 30.00 35.00 52.00 44.00 37.00 18.00 14.00 -1.00 -1.00
1955 1.00 -4.00 8.00 18.00 28.00 30.00 48.00 58.00 r 41.00 q 30.00 19.00 22.00 -4.00
1956 20.00 2.00 12.00 20.00 30.00 31.00 34.00 38.00 34.00 21.00 4.00 3.00 2.00
1957 2.00 0.00 17.00 25.00 29.00 ----- z 49.00 43.00 b 33.00 g 29.00 12.00 15.00 0.00
1958 14.00 22.00 11.00 ----- z 37.00 42.00 51.00 52.00 34.00 27.00 10.00 9.00 9.00
1959 11.00 12.00 15.00 17.00 31.00 a 49.00 54.00 53.00 39.00 30.00 20.00 10.00 10.00
1960 4.00 11.00 20.00 26.00 30.00 50.00 56.00 42.00 38.00 22.00 22.00 -8.00 -8.00
1961 3.00 19.00 16.00 26.00 34.00 35.00 a 52.00 51.00 40.00 23.00 21.00 -1.00 -1.00
1962 5.00 10.00 15.00 28.00 30.00 39.00 54.00 52.00 46.00 33.00 20.00 5.00 5.00
1963 -11.00 18.00 18.00 22.00 36.00 a 40.00 51.00 51.00 48.00 38.00 ----- z 9.00 -11.00
1964 ----- z 12.00 ----- z ----- z 28.00 ----- z ----- z ----- z ----- z ----- z 13.00 ----- z 12.00
1965 15.00 ----- z ----- z ----- z ----- z 40.00 53.00 51.00 34.00 33.00 21.00 12.00 12.00
1966 7.00 7.00 11.00 21.00 33.00 43.00 51.00 50.00 47.00 28.00 ----- z 2.00 2.00
1967 -1.00 16.00 20.00 24.00 26.00 41.00 55.00 54.00 41.00 34.00 ----- z 4.00 -1.00
1968 -4.00 18.00 24.00 25.00 34.00 ----- z 56.00 42.00 39.00 30.00 16.00 2.00 -4.00
1969 11.00 15.00 17.00 26.00 33.00 41.00 54.00 55.00 46.00 29.00 17.00 12.00 11.00
1970 8.00 19.00 19.00 21.00 30.00 42.00 54.00 55.00 35.00 22.00 23.00 14.00 8.00
1971 -4.00 9.00 10.00 26.00 32.00 36.00 53.00 55.00 35.00 17.00 18.00 7.00 -4.00
1972 7.00 9.00 20.00 24.00 36.00 44.00 ----- z ----- z 36.00 20.00 18.00 5.00 5.00
1973 ----- z 17.00 20.00 23.00 34.00 42.00 ----- z 52.00 39.00 31.00 20.00 17.00 17.00
1974 5.00 12.00 21.00 26.00 40.00 41.00 52.00 50.00 39.00 29.00 21.00 3.00 3.00
1975 9.00 10.00 8.00 12.00 26.00 39.00 54.00 a 48.00 45.00 21.00 11.00 10.00 8.00
1976 -5.00 16.00 b 12.00 14.00 29.00 34.00 t 44.00 46.00 41.00 26.00 3.00 15.00 -5.00
Period of Record Statistics
MEAN 5.44 11.40 15.62 23.15 31.33 40.03 51.03 49.00 40.19 27.15 16.30 8.53 3.69
S.D. 7.24 7.13 4.47 4.47 3.91 4.75 4.84 5.37 4.72 5.18 5.70 6.15 5.46
SKEW -0.19 -0.89 -0.21 -0.76 0.38 0.14 -1.88 -1.23 -0.14 -0.13 -0.28 -0.25 -0.57
MAX 20.00 22.00 24.00 30.00 40.00 50.00 56.00 55.00 48.00 38.00 28.00 22.00 11.00
MIN -11.00 -7.00 8.00 12.00 25.00 30.00 34.00 32.00 29.00 17.00 3.00 -8.00 -8.00
NO YRS 34 35 34 34 36 31 34 33 32 33 33 36 16