AZTEC RUINS NATL MON,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(290692)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1895 0.00 f -18.00 16.00 19.00 a 30.00 g 38.00 44.00 54.00 28.00 21.00 11.00 -3.00 -18.00
1896 3.00 -6.00 6.00 15.00 a 26.00 43.00 48.00 46.00 34.00 26.00 a -2.00 10.00 -6.00
1897 5.00 1.00 12.00 18.00 b 32.00 32.00 39.00 48.00 44.00 18.00 a 9.00 0.00 0.00
1898 -16.00 f 9.00 a 10.00 17.00 27.00 34.00 51.00 53.00 31.00 15.00 7.00 -16.00 -16.00
1899 -11.00 -23.00 10.00 18.00 18.00 36.00 53.00 o 46.00 k 38.00 21.00 18.00 2.00 -23.00
1900 10.00 5.00 9.00 19.00 34.00 41.00 45.00 38.00 30.00 10.00 15.00 -2.00 -2.00
1901 -6.00 ----- z ----- z 34.00 v 33.00 a 48.00 a ----- z ----- z 26.00 28.00 17.00 -12.00 -12.00
1902 7.00 j 8.00 ----- z ----- z 29.00 f 41.00 k 42.00 44.00 ----- z ----- z ----- z ----- z 7.00
1903 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1904 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1905 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1906 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z 38.00 42.00 36.00 31.00 n ----- z ----- z ----- z 31.00
1921 ----- z ----- z 15.00 ----- z 30.00 ----- z ----- z ----- z ----- z ----- z 9.00 a ----- z 9.00
1922 ----- z ----- z 3.00 11.00 a 25.00 42.00 ----- z ----- z 39.00 23.00 ----- z ----- z 3.00
1923 ----- z ----- z ----- z 22.00 ----- z ----- z ----- z ----- z ----- z ----- z 13.00 b ----- z 13.00
1924 ----- z ----- z 11.00 20.00 29.00 35.00 c ----- z ----- z ----- z 20.00 8.00 -24.00 -24.00
1925 ----- z 11.00 ----- z 21.00 33.00 34.00 53.00 42.00 37.00 22.00 10.00 7.00 7.00
1926 1.00 10.00 13.00 31.00 33.00 39.00 46.00 r 46.00 38.00 25.00 15.00 -9.00 -9.00
1927 -1.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -1.00
1928 6.00 ----- z 16.00 11.00 30.00 38.00 44.00 44.00 32.00 25.00 10.00 1.00 1.00
1929 -1.00 ----- z ----- z ----- z ----- z 35.00 52.00 49.00 33.00 11.00 ----- z -5.00 -5.00
1930 ----- z ----- z 8.00 ----- z 15.00 33.00 52.00 49.00 31.00 17.00 11.00 -5.00 -5.00
1931 -3.00 18.00 4.00 15.00 c 29.00 40.00 45.00 44.00 29.00 19.00 -7.00 -12.00 -12.00
1932 -8.00 0.00 14.00 21.00 28.00 33.00 45.00 46.00 36.00 18.00 7.00 -15.00 -15.00
1933 -10.00 -27.00 15.00 11.00 23.00 37.00 48.00 48.00 43.00 31.00 17.00 7.00 -27.00
1934 7.00 13.00 15.00 23.00 c 34.00 34.00 50.00 50.00 30.00 19.00 8.00 4.00 4.00
1935 -5.00 a 0.00 12.00 24.00 28.00 34.00 43.00 50.00 37.00 18.00 13.00 7.00 -5.00
1936 2.00 9.00 14.00 11.00 28.00 34.00 45.00 49.00 32.00 27.00 14.00 5.00 2.00
1937 -22.00 1.00 19.00 20.00 25.00 32.00 50.00 46.00 29.00 26.00 9.00 8.00 -22.00
1938 9.00 7.00 14.00 15.00 23.00 36.00 43.00 43.00 44.00 24.00 3.00 10.00 3.00
1939 -1.00 -10.00 1.00 20.00 29.00 32.00 43.00 44.00 37.00 23.00 15.00 -10.00 -10.00
1940 2.00 7.00 8.00 19.00 29.00 36.00 48.00 43.00 44.00 23.00 9.00 -4.00 -4.00
1941 8.00 12.00 12.00 21.00 34.00 38.00 47.00 50.00 33.00 24.00 9.00 5.00 5.00
1942 -15.00 0.00 6.00 29.00 25.00 32.00 48.00 50.00 33.00 24.00 12.00 12.00 -15.00
1943 -3.00 5.00 14.00 22.00 27.00 38.00 49.00 51.00 38.00 25.00 9.00 12.00 -3.00
1944 -1.00 14.00 13.00 19.00 21.00 35.00 49.00 43.00 41.00 32.00 13.00 6.00 -1.00
1945 5.00 15.00 15.00 13.00 27.00 32.00 47.00 52.00 34.00 15.00 1.00 -10.00 -10.00
1946 -1.00 -1.00 17.00 22.00 26.00 37.00 49.00 49.00 34.00 13.00 11.00 a 5.00 -1.00
1947 -9.00 -2.00 11.00 16.00 33.00 a 34.00 a 49.00 49.00 38.00 23.00 11.00 2.00 -9.00
1948 -2.00 a -16.00 10.00 a 20.00 27.00 37.00 43.00 41.00 39.00 26.00 3.00 b 1.00 -16.00
1949 -21.00 a -13.00 16.00 20.00 26.00 34.00 51.00 43.00 38.00 17.00 14.00 -3.00 a -21.00
1950 -11.00 a 6.00 a 6.00 18.00 25.00 31.00 52.00 44.00 39.00 a 34.00 c 4.00 6.00 -11.00
1951 -7.00 a -5.00 11.00 15.00 28.00 31.00 48.00 46.00 33.00 18.00 9.00 -16.00 -16.00
1952 -2.00 a 6.00 2.00 20.00 31.00 40.00 48.00 41.00 36.00 25.00 0.00 5.00 -2.00
1953 11.00 7.00 8.00 14.00 21.00 a 36.00 48.00 43.00 35.00 a 24.00 13.00 -3.00 -3.00
1954 7.00 10.00 9.00 23.00 32.00 33.00 51.00 a 45.00 40.00 21.00 16.00 -3.00 -3.00
1955 -11.00 -2.00 13.00 10.00 27.00 36.00 48.00 b 52.00 35.00 21.00 4.00 9.00 -11.00
1956 10.00 0.00 9.00 18.00 30.00 45.00 47.00 a 42.00 39.00 21.00 3.00 0.00 0.00
1957 8.00 15.00 15.00 18.00 33.00 33.00 51.00 51.00 35.00 29.00 9.00 13.00 8.00
1958 3.00 13.00 a 13.00 20.00 32.00 43.00 a 48.00 48.00 38.00 20.00 10.00 a -1.00 -1.00
1959 -3.00 -2.00 10.00 b 19.00 32.00 42.00 45.00 50.00 30.00 30.00 11.00 10.00 -3.00
1960 -6.00 6.00 14.00 20.00 30.00 45.00 48.00 42.00 38.00 a 22.00 15.00 5.00 -6.00
1961 2.00 11.00 a 11.00 18.00 30.00 40.00 50.00 a 48.00 30.00 27.00 7.00 -20.00 -20.00
1962 -10.00 3.00 5.00 20.00 21.00 38.00 45.00 40.00 37.00 34.00 21.00 2.00 f -10.00
1963 -21.00 -1.00 12.00 17.00 30.00 40.00 53.00 53.00 43.00 33.00 17.00 7.00 -21.00
1964 -5.00 5.00 9.00 19.00 30.00 38.00 52.00 39.00 42.00 27.00 17.00 -10.00 -10.00
1965 7.00 -7.00 9.00 23.00 30.00 42.00 52.00 46.00 24.00 29.00 18.00 3.00 -7.00
1966 -1.00 4.00 8.00 16.00 33.00 40.00 49.00 47.00 38.00 25.00 14.00 -10.00 -10.00
1967 -8.00 11.00 11.00 18.00 19.00 42.00 49.00 48.00 34.00 16.00 11.00 -12.00 -12.00
1968 -6.00 13.00 17.00 23.00 27.00 39.00 46.00 41.00 31.00 21.00 10.00 4.00 -6.00
1969 8.00 9.00 10.00 11.00 33.00 41.00 48.00 49.00 39.00 23.00 10.00 3.00 3.00
1970 -3.00 4.00 12.00 17.00 16.00 36.00 49.00 55.00 31.00 16.00 17.00 8.00 -3.00
1971 -23.00 4.00 7.00 13.00 28.00 37.00 51.00 52.00 30.00 19.00 15.00 -1.00 -23.00
1972 -1.00 1.00 10.00 18.00 21.00 39.00 46.00 43.00 30.00 25.00 b 12.00 d -4.00 b -4.00
1973 -4.00 5.00 18.00 15.00 28.00 d 31.00 42.00 47.00 28.00 17.00 b 5.00 0.00 b -4.00
1974 -17.00 c -3.00 12.00 b 13.00 20.00 a 24.00 43.00 45.00 26.00 b 27.00 11.00 0.00 -17.00
1975 -11.00 b 0.00 11.00 14.00 b 12.00 29.00 47.00 38.00 31.00 20.00 b -1.00 3.00 -11.00
1976 -8.00 8.00 e 9.00 a 11.00 27.00 c 27.00 d 42.00 a 42.00 a 37.00 d 15.00 e -5.00 c 0.00 h -8.00
1977 -10.00 c 2.00 c 7.00 b 11.00 c 24.00 h 40.00 45.00 b 42.00 b 27.00 b 25.00 e 12.00 f 4.00 -10.00
1978 4.00 2.00 a 13.00 22.00 a 25.00 37.00 40.00 b 36.00 22.00 25.00 b 16.00 a -18.00 a -18.00
1979 -15.00 d -8.00 a 14.00 a 15.00 24.00 a 34.00 47.00 ----- z 38.00 14.00 4.00 6.00 a -15.00
1980 8.00 a 12.00 9.00 15.00 25.00 34.00 46.00 37.00 32.00 17.00 6.00 9.00 a 6.00
1981 6.00 5.00 12.00 15.00 25.00 36.00 52.00 a 51.00 43.00 18.00 14.00 -2.00 a -2.00
1982 -15.00 -8.00 13.00 15.00 26.00 36.00 46.00 52.00 36.00 22.00 16.00 9.00 i -15.00
1983 7.00 14.00 21.00 17.00 24.00 36.00 49.00 50.00 29.00 31.00 12.00 9.00 7.00
1984 -4.00 12.00 11.00 18.00 26.00 36.00 52.00 50.00 36.00 24.00 9.00 13.00 -4.00
1985 5.00 -10.00 19.00 22.00 27.00 38.00 47.00 46.00 28.00 28.00 2.00 7.00 -10.00
1986 7.00 3.00 21.00 21.00 30.00 42.00 46.00 48.00 32.00 27.00 18.00 10.00 3.00
1987 -7.00 2.00 4.00 21.00 32.00 35.00 41.00 41.00 33.00 26.00 12.00 -1.00 -7.00
1988 -6.00 12.00 10.00 20.00 24.00 31.00 49.00 51.00 29.00 29.00 14.00 -5.00 -6.00
1989 1.00 -16.00 16.00 a 26.00 30.00 31.00 44.00 39.00 31.00 13.00 8.00 -1.00 -16.00
1990 -6.00 2.00 14.00 27.00 35.00 32.00 53.00 50.00 44.00 24.00 15.00 -18.00 -18.00
1991 -9.00 11.00 16.00 18.00 27.00 38.00 49.00 54.00 37.00 21.00 12.00 6.00 -9.00
1992 9.00 13.00 20.00 24.00 38.00 42.00 44.00 44.00 34.00 25.00 8.00 -3.00 -3.00
1993 10.00 19.00 13.00 21.00 28.00 36.00 44.00 51.00 35.00 17.00 7.00 7.00 7.00
1994 3.00 3.00 13.00 25.00 34.00 42.00 49.00 55.00 37.00 23.00 11.00 13.00 3.00
1995 0.00 20.00 17.00 23.00 30.00 34.00 41.00 55.00 35.00 19.00 11.00 5.00 0.00
1996 5.00 11.00 14.00 21.00 33.00 37.00 52.00 50.00 31.00 15.00 20.00 0.00 0.00
1997 -4.00 14.00 11.00 16.00 32.00 41.00 42.00 52.00 43.00 20.00 15.00 1.00 -4.00
1998 14.00 7.00 8.00 22.00 28.00 36.00 56.00 51.00 42.00 28.00 16.00 6.00 6.00
1999 12.00 a 8.00 21.00 15.00 30.00 31.00 j 56.00 50.00 27.00 21.00 8.00 a 3.00 a 3.00
2000 3.00 a 15.00 16.00 28.00 34.00 42.00 47.00 54.00 31.00 28.00 a 9.00 a 8.00 a 3.00
2001 8.00 a 4.00 20.00 24.00 33.00 33.00 a 53.00 a 50.00 a 39.00 a 25.00 a 12.00 a 8.00 b 4.00
2002 1.00 5.00 -3.00 21.00 29.00 43.00 51.00 46.00 38.00 28.00 15.00 4.00 -3.00
2003 10.00 6.00 17.00 18.00 24.00 38.00 47.00 l 55.00 36.00 26.00 10.00 5.00 5.00
2004 6.00 4.00 20.00 27.00 31.00 b 36.00 44.00 47.00 31.00 22.00 y ----- z 2.00 2.00
2005 14.00 17.00 17.00 17.00 28.00 36.00 47.00 45.00 40.00 24.00 15.00 -3.00 -3.00
2006 4.00 2.00 e 15.00 21.00 29.00 42.00 53.00 48.00 28.00 23.00 6.00 3.00 2.00
2007 3.00 0.00 5.00 24.00 32.00 38.00 48.00 48.00 30.00 17.00 e 13.00 -9.00 -9.00
2008 -8.00 0.00 11.00 15.00 24.00 h 33.00 53.00 47.00 41.00 18.00 11.00 -2.00 -8.00
2009 ----- z 12.00 17.00 18.00 36.00 36.00 52.00 43.00 32.00 15.00 9.00 1.00 1.00
2010 2.00 9.00 15.00 15.00 23.00 41.00 46.00 51.00 39.00 e 22.00 6.00 6.00 2.00
2011 -12.00 a -7.00 16.00 e 20.00 a 22.00 38.00 47.00 49.00 33.00 b 15.00 16.00 a 3.00 c -12.00
2012 -7.00 b 11.00 a 7.00 a 2.00 a 26.00 c 38.00 b 49.00 b 51.00 39.00 21.00 14.00 1.00 a -7.00
2013 -8.00 a 7.00 8.00 27.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -8.00
Period of Record Statistics
MEAN -1.46 3.97 11.98 18.55 27.88 36.74 47.63 46.95 34.71 22.34 10.48 0.52 -5.55
S.D. 8.59 9.06 4.69 4.67 4.76 4.10 3.67 4.66 5.01 5.20 5.32 8.13 8.25
SKEW -0.42 -1.00 -0.37 -0.23 -0.74 -0.06 -0.08 -0.36 -0.05 -0.02 -0.80 -0.88 -0.58
MAX 14.00 20.00 21.00 31.00 38.00 48.00 56.00 55.00 44.00 34.00 21.00 13.00 8.00
MIN -23.00 -27.00 -3.00 2.00 12.00 24.00 39.00 36.00 22.00 10.00 -7.00 -24.00 -27.00
NO YRS 91 92 95 94 93 96 92 93 95 95 94 92 66