YUMA PROVING GROUND,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(029654)

File last updated on Apr 3, 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
1958 ----- z ----- z ----- z 104.00 113.00 113.00 118.00 110.00 112.00 104.00 89.00 84.00 118.00
1959 81.00 82.00 89.00 102.00 99.00 115.00 114.00 110.00 110.00 103.00 87.00 83.00 115.00
1960 77.00 80.00 93.00 97.00 110.00 116.00 116.00 114.00 113.00 103.00 89.00 77.00 116.00
1961 79.00 83.00 90.00 103.00 101.00 117.00 113.00 111.00 105.00 101.00 84.00 77.00 117.00
1962 82.00 85.00 92.00 103.00 103.00 113.00 111.00 115.00 111.00 102.00 94.00 82.00 115.00
1963 76.00 90.00 91.00 95.00 104.00 109.00 114.00 111.00 112.00 103.00 88.00 78.00 114.00
1964 ----- z 78.00 89.00 100.00 103.00 114.00 116.00 111.00 107.00 105.00 85.00 81.00 116.00
1965 80.00 85.00 84.00 102.00 103.00 106.00 114.00 111.00 107.00 105.00 92.00 78.00 114.00
1966 71.00 77.00 97.00 98.00 105.00 113.00 113.00 111.00 110.00 96.00 94.00 82.00 113.00
1967 79.00 84.00 92.00 87.00 106.00 110.00 111.00 112.00 102.00 97.00 89.00 73.00 112.00
1968 77.00 89.00 92.00 96.00 108.00 115.00 114.00 108.00 113.00 97.00 86.00 73.00 115.00
1969 77.00 75.00 97.00 94.00 106.00 110.00 113.00 115.00 114.00 100.00 86.00 76.00 115.00
1970 77.00 86.00 88.00 93.00 109.00 e 115.00 113.00 112.00 110.00 96.00 86.00 76.00 115.00
1971 89.00 88.00 98.00 96.00 98.00 110.00 113.00 108.00 114.00 98.00 86.00 77.00 114.00
1972 76.00 90.00 95.00 96.00 101.00 113.00 116.00 115.00 105.00 103.00 81.00 75.00 116.00
1973 75.00 79.00 78.00 100.00 108.00 114.00 113.00 110.00 107.00 101.00 93.00 77.00 114.00
1974 78.00 82.00 92.00 96.00 110.00 117.00 114.00 111.00 111.00 104.00 86.00 75.00 117.00
1975 82.00 88.00 87.00 90.00 104.00 110.00 114.00 116.00 107.00 104.00 92.00 82.00 116.00
1976 82.00 84.00 91.00 99.00 107.00 116.00 115.00 110.00 109.00 97.00 92.00 76.00 116.00
1977 76.00 89.00 87.00 99.00 105.00 115.00 112.00 114.00 112.00 100.00 89.00 81.00 115.00
1978 75.00 82.00 95.00 94.00 108.00 117.00 116.00 111.00 106.00 106.00 88.00 ----- z 117.00
1979 70.00 76.00 87.00 97.00 104.00 117.00 ----- z 115.00 ----- z ----- z 84.00 81.00 117.00
1980 77.00 87.00 82.00 103.00 a 103.00 114.00 117.00 112.00 112.00 112.00 95.00 84.00 117.00
1981 82.00 a 91.00 91.00 98.00 102.00 114.00 113.00 118.00 107.00 96.00 90.00 79.00 a 118.00
1982 78.00 88.00 88.00 95.00 101.00 109.00 113.00 112.00 114.00 97.00 84.00 74.00 114.00
1983 81.00 80.00 92.00 90.00 117.00 108.00 114.00 113.00 111.00 96.00 89.00 76.00 117.00
1984 81.00 82.00 89.00 102.00 113.00 111.00 114.00 115.00 110.00 100.00 88.00 73.00 115.00
1985 72.00 84.00 88.00 104.00 102.00 115.00 116.00 118.00 104.00 101.00 88.00 77.00 118.00
1986 81.00 94.00 99.00 98.00 106.00 115.00 115.00 114.00 113.00 94.00 83.00 75.00 115.00
1987 79.00 82.00 86.00 100.00 103.00 112.00 112.00 114.00 110.00 107.00 83.00 77.00 114.00
1988 79.00 87.00 100.00 101.00 110.00 113.00 110.00 111.00 109.00 108.00 95.00 79.00 113.00
1989 80.00 92.00 97.00 106.00 107.00 114.00 114.00 108.00 113.00 104.00 92.00 81.00 114.00
1990 81.00 89.00 97.00 100.00 102.00 121.00 113.00 112.00 114.00 101.00 91.00 77.00 121.00
1991 77.00 88.00 85.00 98.00 101.00 109.00 112.00 111.00 110.00 108.00 93.00 78.00 112.00
1992 80.00 84.00 85.00 106.00 103.00 110.00 115.00 114.00 110.00 106.00 88.00 69.00 115.00
1993 77.00 79.00 90.00 102.00 104.00 115.00 113.00 117.00 112.00 107.00 89.00 76.00 117.00
1994 82.00 83.00 94.00 103.00 107.00 118.00 114.00 115.00 112.00 98.00 88.00 77.00 118.00
1995 75.00 89.00 93.00 95.00 103.00 112.00 124.00 116.00 115.00 106.00 92.00 85.00 124.00
1996 83.00 92.00 94.00 a 105.00 111.00 112.00 117.00 115.00 105.00 107.00 89.00 78.00 117.00
1997 83.00 82.00 99.00 99.00 109.00 107.00 112.00 114.00 107.00 105.00 92.00 75.00 114.00
1998 77.00 76.00 94.00 100.00 ----- z ----- z 118.00 117.00 109.00 98.00 85.00 ----- z 118.00
1999 77.00 88.00 90.00 100.00 105.00 112.00 113.00 112.00 109.00 105.00 93.00 76.00 113.00
2000 83.00 82.00 90.00 103.00 111.00 110.00 116.00 113.00 113.00 102.00 78.00 80.00 116.00
2001 78.00 85.00 92.00 101.00 111.00 112.00 116.00 114.00 109.00 99.00 91.00 76.00 116.00
2002 79.00 87.00 95.00 100.00 109.00 112.00 112.00 113.00 113.00 100.00 87.00 76.00 113.00
2003 88.00 87.00 92.00 92.00 109.00 114.00 116.00 115.00 113.00 106.00 84.00 77.00 116.00
2004 78.00 84.00 103.00 102.00 105.00 110.00 112.00 112.00 110.00 102.00 80.00 76.00 112.00
2005 79.00 75.00 92.00 96.00 111.00 115.00 119.00 114.00 110.00 102.00 92.00 81.00 119.00
2006 82.00 85.00 89.00 99.00 107.00 114.00 118.00 112.00 110.00 103.00 93.00 79.00 118.00
2007 77.00 86.00 101.00 101.00 104.00 112.00 116.00 114.00 116.00 99.00 93.00 75.00 116.00
2008 ----- z 85.00 91.00 99.00 110.00 117.00 112.00 113.00 113.00 ----- z ----- z ----- z 117.00
2009 ----- z ----- z ----- z ----- z 108.00 ----- z ----- z ----- z ----- z 101.00 95.00 ----- z 108.00
2010 75.00 81.00 88.00 95.00 99.00 111.00 113.00 115.00 114.00 103.00 95.00 82.00 115.00
2011 84.00 79.00 97.00 101.00 102.00 115.00 119.00 115.00 114.00 103.00 90.00 77.00 119.00
2012 80.00 85.00 91.00 105.00 112.00 113.00 115.00 116.00 110.00 110.00 95.00 83.00 116.00
2013 79.00 81.00 100.00 83.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 100.00
Period of Record Statistics
MEAN 78.90 84.28 91.81 98.89 105.96 113.04 114.45 113.06 110.34 102.09 88.89 77.88 115.65
S.D. 3.60 4.57 4.99 4.19 4.09 2.99 2.48 2.43 3.10 3.99 4.15 3.31 2.30
SKEW 0.19 -0.16 -0.07 -0.58 0.29 -0.06 1.18 -0.09 -0.55 0.10 -0.44 0.14 1.08
MAX 89.00 94.00 103.00 106.00 117.00 121.00 124.00 118.00 116.00 112.00 95.00 85.00 124.00
MIN 70.00 75.00 78.00 87.00 98.00 106.00 110.00 108.00 102.00 94.00 78.00 69.00 112.00
NO YRS 52 54 54 54 54 53 53 54 53 53 54 51 48