QUARTZSITE, a

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(026865)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1908 ----- z ----- z ----- z ----- z 45.00 m 48.00 71.00 69.00 46.00 31.00 30.00 26.00 26.00
1909 34.00 34.00 31.00 40.00 51.00 62.00 66.00 68.00 57.00 43.00 30.00 17.00 17.00
1910 20.00 20.00 38.00 42.00 44.00 61.00 66.00 67.00 60.00 42.00 34.00 30.00 20.00
1911 22.00 28.00 36.00 38.00 45.00 58.00 69.00 72.00 55.00 36.00 17.00 16.00 16.00
1912 14.00 24.00 36.00 36.00 46.00 58.00 52.00 65.00 50.00 39.00 32.00 18.00 14.00
1913 9.00 25.00 26.00 38.00 42.00 53.00 65.00 68.00 47.00 37.00 36.00 25.00 9.00
1914 26.00 26.00 36.00 40.00 47.00 55.00 72.00 65.00 63.00 ----- z ----- z ----- z 26.00
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z 55.00 d 62.00 70.00 59.00 43.00 28.00 27.00 27.00
1922 14.00 23.00 26.00 32.00 43.00 58.00 b 72.00 68.00 61.00 a 36.00 30.00 31.00 14.00
1923 22.00 z 22.00 28.00 40.00 a 40.00 b 43.00 66.00 a 68.00 42.00 40.00 c 30.00 b 30.00 a 22.00
1924 21.00 a 3.00 a 30.00 f 32.00 c 51.00 56.00 58.00 67.00 47.00 33.00 b 27.00 19.00 3.00
1925 21.00 a 31.00 30.00 39.00 54.00 49.00 68.00 69.00 45.00 45.00 25.00 a 25.00 21.00
1926 21.00 28.00 a 35.00 47.00 46.00 a 67.00 f 68.00 a 62.00 52.00 45.00 a 34.00 22.00 q 21.00
1927 24.00 a 30.00 32.00 35.00 46.00 58.00 67.00 69.00 51.00 42.00 32.00 a 19.00 19.00
1928 22.00 25.00 34.00 a 31.00 49.00 60.00 69.00 67.00 55.00 a 40.00 26.00 20.00 20.00
1929 21.00 a 17.00 29.00 27.00 45.00 50.00 73.00 70.00 60.00 35.00 24.00 25.00 a 17.00
1930 21.00 31.00 b 27.00 a 45.00 44.00 55.00 70.00 67.00 51.00 39.00 24.00 16.00 16.00
1931 20.00 35.00 30.00 40.00 51.00 60.00 70.00 67.00 50.00 41.00 20.00 23.00 20.00
1932 19.00 19.00 34.00 35.00 48.00 51.00 65.00 62.00 59.00 38.00 33.00 24.00 19.00
1933 24.00 18.00 32.00 33.00 42.00 50.00 72.00 54.00 n 57.00 49.00 34.00 h 16.00 u 16.00
1934 21.00 32.00 37.00 44.00 52.00 54.00 68.00 68.00 45.00 41.00 29.00 19.00 19.00
1935 21.00 25.00 30.00 35.00 43.00 55.00 ----- z 63.00 f 56.00 30.00 25.00 20.00 20.00
1936 25.00 29.00 31.00 38.00 51.00 52.00 64.00 a 66.00 50.00 46.00 29.00 27.00 25.00
1937 16.00 25.00 36.00 38.00 46.00 55.00 72.00 69.00 59.00 47.00 36.00 31.00 16.00
1938 24.00 26.00 30.00 35.00 47.00 59.00 62.00 a 65.00 63.00 37.00 22.00 30.00 22.00
1939 28.00 26.00 25.00 41.00 53.00 54.00 63.00 63.00 54.00 37.00 a 33.00 28.00 25.00
1940 24.00 30.00 33.00 46.00 56.00 63.00 67.00 71.00 e 65.00 ----- z 32.00 38.00 e 24.00
1941 33.00 38.00 40.00 43.00 55.00 59.00 69.00 64.00 49.00 ----- z ----- z ----- z 33.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 29.00 q 31.00 42.00 a 50.00 52.00 x ----- z ----- z ----- z ----- z ----- z ----- z 31.00 n 29.00
1960 23.00 29.00 33.00 42.00 49.00 68.00 72.00 71.00 57.00 42.00 a 30.00 d 25.00 a 23.00
1961 24.00 a 30.00 38.00 44.00 a 51.00 c 60.00 72.00 69.00 a 58.00 42.00 29.00 24.00 24.00
1962 19.00 22.00 28.00 45.00 46.00 56.00 69.00 65.00 60.00 51.00 30.00 28.00 19.00
1963 15.00 37.00 30.00 35.00 f 51.00 d 55.00 b 73.00 72.00 64.00 51.00 36.00 25.00 c 15.00
1964 21.00 26.00 33.00 38.00 b 44.00 58.00 d 74.00 69.00 58.00 48.00 29.00 26.00 b 21.00
1965 24.00 22.00 27.00 42.00 b 48.00 57.00 d 70.00 b 70.00 48.00 48.00 a 34.00 b 30.00 b 22.00
1966 26.00 b 26.00 b 27.00 43.00 56.00 62.00 b 73.00 72.00 64.00 b 43.00 34.00 a 22.00 22.00
1967 22.00 28.00 34.00 42.00 40.00 59.00 b 77.00 b 70.00 62.00 d 47.00 a 40.00 29.00 22.00
1968 27.00 36.00 33.00 44.00 b 51.00 59.00 a 70.00 a 64.00 50.00 45.00 30.00 a 23.00 d 23.00
1969 25.00 30.00 a 32.00 h 41.00 h 50.00 j 61.00 i 71.00 i 75.00 j 64.00 f 42.00 i 37.00 l 24.00 j 24.00
1970 17.00 j 31.00 j 34.00 i 38.00 h 46.00 k 62.00 i 66.00 i 53.00 j 54.00 i 35.00 j 34.00 l 28.00 i 17.00
1971 15.00 e 28.00 24.00 c 40.00 h 48.00 k 54.00 h 72.00 j 70.00 g 47.00 i 36.00 l 32.00 i 24.00 h 15.00
1972 17.00 j 23.00 j 28.00 h 38.00 j 52.00 i 66.00 h 75.00 j 66.00 h 56.00 j 46.00 h 32.00 a 22.00 m 17.00
1973 22.00 c 32.00 38.00 a 39.00 a 49.00 62.00 74.00 b ----- z 57.00 k 49.00 a 34.00 29.00 22.00
1974 18.00 h 28.00 b 34.00 41.00 49.00 60.00 68.00 70.00 f 67.00 a 48.00 c 36.00 h 25.00 g 18.00
1975 25.00 a 29.00 33.00 l 35.00 i 43.00 n 59.00 o ----- z ----- z ----- z ----- z ----- z ----- z 25.00
1976 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1977 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1978 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1979 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1980 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1981 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1982 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1983 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1984 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1987 23.00 32.00 33.00 42.00 55.00 72.00 70.00 71.00 65.00 53.00 34.00 23.00 23.00
1988 28.00 33.00 33.00 42.00 49.00 60.00 76.00 71.00 58.00 58.00 32.00 22.00 22.00
1989 24.00 26.00 37.00 50.00 55.00 61.00 73.00 69.00 56.00 41.00 30.00 25.00 24.00
1990 28.00 27.00 34.00 49.00 53.00 61.00 77.00 72.00 61.00 46.00 31.00 19.00 19.00
1991 24.00 35.00 36.00 41.00 51.00 61.00 70.00 71.00 67.00 38.00 37.00 29.00 24.00
1992 30.00 43.00 46.00 51.00 62.00 60.00 67.00 65.00 64.00 51.00 29.00 28.00 28.00
1993 27.00 38.00 42.00 45.00 52.00 56.00 72.00 67.00 57.00 48.00 29.00 27.00 27.00
1994 29.00 29.00 44.00 48.00 50.00 67.00 70.00 73.00 57.00 46.00 27.00 28.00 27.00
1995 31.00 42.00 35.00 43.00 52.00 57.00 73.00 78.00 57.00 42.00 42.00 29.00 29.00
1996 30.00 32.00 37.00 48.00 52.00 66.00 80.00 76.00 58.00 38.00 40.00 27.00 27.00
1997 31.00 35.00 36.00 47.00 57.00 62.00 67.00 77.00 ----- z 43.00 39.00 28.00 28.00
1998 32.00 38.00 36.00 42.00 53.00 ----- z 76.00 78.00 61.00 46.00 35.00 25.00 25.00
1999 31.00 32.00 41.00 38.00 45.00 55.00 75.00 72.00 61.00 46.00 33.00 26.00 26.00
2000 27.00 37.00 40.00 49.00 51.00 63.00 70.00 a 69.00 58.00 48.00 30.00 31.00 27.00
2001 30.00 32.00 40.00 44.00 53.00 63.00 75.00 71.00 67.00 52.00 34.00 29.00 29.00
2002 28.00 24.00 27.00 49.00 55.00 69.00 75.00 69.00 62.00 52.00 39.00 28.00 24.00
2003 35.00 32.00 48.00 50.00 58.00 69.00 77.00 g 73.00 67.00 55.00 31.00 20.00 20.00
2004 28.00 31.00 46.00 48.00 57.00 62.00 73.00 74.00 57.00 46.00 30.00 29.00 28.00
2005 33.00 38.00 36.00 41.00 53.00 65.00 75.00 69.00 57.00 51.00 30.00 25.00 25.00
2006 26.00 30.00 37.00 45.00 57.00 65.00 76.00 72.00 55.00 45.00 27.00 26.00 26.00
2007 19.00 31.00 33.00 42.00 53.00 60.00 f 77.00 75.00 56.00 50.00 34.00 29.00 19.00
2008 28.00 30.00 36.00 47.00 53.00 67.00 74.00 71.00 66.00 44.00 44.00 29.00 28.00
2009 30.00 35.00 38.00 44.00 66.00 63.00 78.00 66.00 63.00 41.00 35.00 30.00 30.00
2010 33.00 36.00 38.00 42.00 49.00 67.00 74.00 67.00 61.00 46.00 26.00 28.00 26.00
2011 27.00 23.00 39.00 42.00 b 50.00 b 58.00 71.00 h 80.00 c 63.00 b 46.00 39.00 c 26.00 a 23.00
2012 32.00 34.00 a 36.00 a 44.00 54.00 a 62.00 a 69.00 d 72.00 ----- z 45.00 32.00 29.00 29.00
2013 21.00 30.00 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 21.00
Period of Record Statistics
MEAN 24.58 29.25 34.48 41.79 50.25 59.00 70.32 69.44 57.26 43.92 31.37 25.67 22.23
S.D. 5.43 6.38 5.27 5.19 5.11 5.57 4.95 3.85 6.23 5.78 5.09 4.38 5.05
SKEW -0.33 -0.90 0.24 -0.46 0.28 -0.20 -0.96 0.47 -0.47 -0.14 -0.09 -0.33 -0.48
MAX 35.00 43.00 48.00 51.00 66.00 72.00 80.00 80.00 67.00 58.00 44.00 38.00 30.00
MIN 9.00 3.00 24.00 27.00 40.00 43.00 52.00 62.00 42.00 30.00 17.00 16.00 9.00
NO YRS 65 68 64 63 63 62 62 61 62 62 62 60 39