GREAT SAND DUNES NAT,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(053541)

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
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 79.00 76.00 61.00 f 58.00 79.00
1951 53.00 61.00 59.00 68.00 81.00 85.00 90.00 85.00 83.00 71.00 54.00 45.00 90.00
1952 41.00 48.00 56.00 66.00 75.00 86.00 88.00 83.00 82.00 70.00 a 61.00 44.00 88.00
1953 54.00 51.00 63.00 68.00 81.00 86.00 89.00 84.00 79.00 72.00 63.00 41.00 89.00
1954 49.00 a 60.00 60.00 71.00 77.00 91.00 89.00 89.00 83.00 a 75.00 59.00 49.00 91.00
1955 45.00 51.00 61.00 70.00 72.00 82.00 87.00 84.00 82.00 74.00 58.00 56.00 87.00
1956 53.00 50.00 64.00 77.00 78.00 84.00 85.00 83.00 80.00 72.00 58.00 51.00 85.00
1957 47.00 58.00 59.00 67.00 70.00 86.00 90.00 82.00 78.00 76.00 55.00 49.00 90.00
1958 46.00 56.00 57.00 69.00 79.00 85.00 88.00 87.00 83.00 73.00 60.00 54.00 88.00
1959 48.00 48.00 56.00 71.00 74.00 84.00 83.00 c 82.00 83.00 70.00 62.00 50.00 84.00
1960 44.00 45.00 60.00 72.00 78.00 87.00 88.00 88.00 87.00 72.00 65.00 52.00 88.00
1961 45.00 53.00 61.00 70.00 77.00 87.00 87.00 84.00 77.00 70.00 51.00 48.00 87.00
1962 48.00 57.00 63.00 74.00 80.00 85.00 89.00 87.00 83.00 74.00 60.00 52.00 89.00
1963 50.00 57.00 66.00 72.00 76.00 88.00 88.00 87.00 d 80.00 80.00 60.00 46.00 88.00
1964 47.00 45.00 66.00 74.00 80.00 83.00 90.00 85.00 81.00 75.00 61.00 a 45.00 90.00
1965 47.00 49.00 58.00 74.00 76.00 84.00 86.00 85.00 80.00 74.00 59.00 55.00 86.00
1966 47.00 39.00 67.00 68.00 78.00 85.00 88.00 82.00 87.00 68.00 58.00 52.00 88.00
1967 51.00 52.00 66.00 67.00 80.00 82.00 b 86.00 83.00 77.00 72.00 63.00 44.00 86.00
1968 45.00 45.00 63.00 65.00 77.00 86.00 84.00 80.00 76.00 a 71.00 58.00 50.00 86.00
1969 51.00 52.00 65.00 74.00 80.00 82.00 86.00 85.00 a 78.00 71.00 56.00 52.00 86.00
1970 51.00 56.00 55.00 64.00 77.00 87.00 87.00 85.00 77.00 70.00 62.00 60.00 87.00
1971 67.00 53.00 72.00 72.00 75.00 88.00 93.00 83.00 80.00 71.00 62.00 51.00 93.00
1972 51.00 57.00 65.00 72.00 77.00 83.00 89.00 86.00 79.00 75.00 47.00 42.00 89.00
1973 40.00 48.00 55.00 66.00 78.00 89.00 90.00 84.00 79.00 72.00 65.00 51.00 90.00
1974 44.00 48.00 67.00 a 69.00 82.00 89.00 ----- z 83.00 82.00 72.00 a 52.00 a 46.00 89.00
1975 48.00 46.00 60.00 69.00 74.00 85.00 83.00 85.00 82.00 73.00 62.00 48.00 85.00
1976 52.00 55.00 61.00 a 67.00 77.00 86.00 89.00 88.00 81.00 c 72.00 59.00 45.00 89.00
1977 45.00 53.00 57.00 70.00 80.00 86.00 86.00 b 86.00 82.00 73.00 64.00 56.00 86.00
1978 46.00 a 54.00 a 65.00 70.00 79.00 a 87.00 a 92.00 a 86.00 84.00 a 75.00 a 65.00 q ----- z 92.00
1979 40.00 a 42.00 c 48.00 b 69.00 c 73.00 c 86.00 a 88.00 88.00 84.00 ----- z 53.00 a 48.00 88.00
1980 48.00 56.00 56.00 72.00 78.00 88.00 90.00 88.00 81.00 78.00 67.00 58.00 a 90.00
1981 56.00 a 60.00 61.00 76.00 78.00 90.00 a 89.00 86.00 77.00 67.00 61.00 56.00 a 90.00
1982 55.00 58.00 58.00 70.00 80.00 96.00 94.00 83.00 81.00 70.00 59.00 51.00 96.00
1983 51.00 51.00 58.00 67.00 76.00 84.00 85.00 84.00 85.00 68.00 67.00 40.00 85.00
1984 43.00 42.00 57.00 71.00 82.00 85.00 86.00 82.00 80.00 64.00 61.00 48.00 86.00
1985 45.00 49.00 60.00 70.00 77.00 85.00 89.00 86.00 87.00 70.00 61.00 48.00 89.00
1986 57.00 63.00 68.00 71.00 75.00 85.00 86.00 88.00 77.00 67.00 56.00 46.00 88.00
1987 45.00 48.00 59.00 72.00 72.00 84.00 89.00 ----- z ----- z 75.00 ----- z 48.00 89.00
1988 39.00 ----- z ----- z ----- z ----- z 86.00 88.00 85.00 77.00 71.00 63.00 50.00 88.00
1989 45.00 54.00 68.00 78.00 85.00 88.00 a 92.00 83.00 83.00 76.00 64.00 55.00 92.00
1990 50.00 56.00 65.00 70.00 79.00 93.00 90.00 87.00 87.00 72.00 62.00 51.00 93.00
1991 41.00 53.00 58.00 72.00 78.00 87.00 88.00 82.00 79.00 74.00 54.00 39.00 88.00
1992 46.00 45.00 53.00 a 76.00 77.00 85.00 88.00 83.00 78.00 77.00 54.00 44.00 88.00
1993 44.00 45.00 64.00 69.00 75.00 84.00 86.00 87.00 76.00 73.00 54.00 52.00 87.00
1994 48.00 52.00 64.00 71.00 78.00 91.00 87.00 86.00 79.00 68.00 65.00 46.00 91.00
1995 46.00 58.00 66.00 64.00 74.00 82.00 89.00 87.00 85.00 72.00 61.00 55.00 89.00
1996 52.00 56.00 60.00 74.00 82.00 85.00 88.00 87.00 81.00 72.00 61.00 46.00 88.00
1997 53.00 51.00 67.00 66.00 74.00 84.00 87.00 83.00 79.00 74.00 58.00 42.00 87.00
1998 45.00 48.00 68.00 69.00 79.00 91.00 90.00 86.00 83.00 72.00 61.00 55.00 91.00
1999 53.00 55.00 63.00 68.00 75.00 86.00 88.00 82.00 78.00 73.00 65.00 53.00 88.00
2000 58.00 58.00 62.00 74.00 89.00 84.00 87.00 87.00 83.00 76.00 47.00 47.00 89.00
2001 49.00 49.00 61.00 72.00 78.00 86.00 90.00 86.00 80.00 a 72.00 67.00 49.00 90.00
2002 48.00 55.00 63.00 72.00 85.00 88.00 89.00 90.00 83.00 71.00 56.00 46.00 90.00
2003 52.00 55.00 63.00 71.00 83.00 83.00 92.00 86.00 82.00 73.00 58.00 56.00 92.00
2004 45.00 50.00 70.00 68.00 78.00 86.00 88.00 84.00 79.00 67.00 64.00 53.00 88.00
2005 50.00 48.00 60.00 67.00 84.00 89.00 90.00 85.00 79.00 71.00 63.00 51.00 90.00
2006 53.00 57.00 61.00 73.00 81.00 88.00 88.00 84.00 ----- z 73.00 65.00 49.00 88.00
2007 44.00 51.00 66.00 71.00 75.00 86.00 87.00 86.00 78.00 71.00 63.00 50.00 87.00
2008 43.00 48.00 58.00 69.00 80.00 84.00 88.00 88.00 77.00 73.00 63.00 49.00 88.00
2009 43.00 54.00 63.00 69.00 77.00 83.00 89.00 89.00 79.00 67.00 66.00 42.00 89.00
2010 42.00 39.00 65.00 70.00 80.00 87.00 90.00 85.00 81.00 77.00 61.00 56.00 90.00
2011 48.00 53.00 64.00 70.00 78.00 87.00 87.00 87.00 83.00 72.00 59.00 50.00 87.00
2012 46.00 48.00 70.00 74.00 79.00 90.00 89.00 87.00 83.00 73.00 60.00 50.00 90.00
2013 43.00 44.00 64.00 a 61.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 64.00
Period of Record Statistics
MEAN 47.95 51.58 61.90 70.34 78.07 86.19 88.21 85.21 80.79 72.23 59.88 49.53 88.59
S.D. 4.98 5.38 4.54 3.05 3.40 2.74 2.15 2.16 2.87 2.94 4.54 4.73 2.25
SKEW 0.94 -0.25 -0.30 0.19 0.45 1.03 0.01 -0.06 0.39 -0.13 -0.82 -0.06 0.58
MAX 67.00 63.00 72.00 78.00 89.00 96.00 94.00 90.00 87.00 80.00 67.00 60.00 96.00
MIN 39.00 39.00 48.00 64.00 70.00 82.00 83.00 80.00 76.00 64.00 47.00 39.00 84.00
NO YRS 63 62 62 61 61 62 61 61 61 62 60 62 56