BRIGHT ANGEL RS, ARIZONA

Monthly Total Cooling Degree Days

(021001)

Base Temperature = 65 F

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.
Months with 5 missing days or less use mean for missing day(s)
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
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 u 0.00 35.00 0.00 0.00 0.00 0.00 0.00 d 35.00
1926 0.00 c 0.00 j 0.00 e 0.00 0.00 0.50 1.55 a 1.00 0.00 0.00 0.00 0.00 r 3.05
1927 0.00 z 0.00 z 0.00 z 0.00 z 0.00 i 1.03 a 0.00 a 0.00 0.00 0.00 0.00 0.00 1.03
1928 0.00 0.00 z 0.00 0.00 0.00 0.00 6.50 0.00 h 0.00 0.00 0.00 0.00 p 6.50
1929 0.00 k 0.00 s 0.00 p 0.00 b 0.00 4.00 3.50 4.50 0.00 0.00 i 0.00 f 0.00 z 12.00
1930 0.00 h 0.00 l 0.00 i 0.00 c 3.50 8.50 9.00 1.50 5.89 b 0.00 0.00 j 0.00 y 28.39
1931 0.00 u 0.00 i 0.00 f 0.00 c 0.00 a 0.54 b 36.50 3.00 0.00 0.00 b 0.00 e 0.00 s 40.04
1932 0.00 n 0.00 u 0.00 k 0.00 i 0.00 a 26.50 14.47 a 9.00 14.48 a 0.00 0.00 0.00 z 64.45
1933 0.00 c 0.00 k 0.00 p 0.00 a 0.00 e 0.00 a 14.43 b 9.09 b 0.00 a 0.00 f 0.00 f 0.00 z 23.52
1934 0.00 e 0.00 r 0.00 p 0.00 l 0.00 0.00 54.25 c 14.00 f 2.31 d 0.00 c 0.00 0.00 s 56.56
1935 0.00 n 0.00 y 0.00 k 0.00 i 0.00 d 1.00 g 20.15 a 1.00 0.00 0.00 0.00 0.00 q 21.15
1936 0.00 z 0.00 n 0.00 f 0.00 0.00 c 27.00 e 35.50 3.00 0.00 0.00 0.00 0.00 b 65.50
1937 0.00 0.00 u 0.00 c 0.00 a 0.00 d 2.00 13.00 0.00 z 0.00 z 0.00 0.00 0.00 a 15.00
1938 0.00 0.00 b 0.00 0.00 b 0.00 b 0.00 13.50 16.00 0.00 0.00 0.00 0.00 29.50
1939 0.00 0.00 a 0.00 0.00 0.00 9.50 71.50 9.50 3.75 b 0.00 0.00 0.00 94.25
1940 0.00 0.00 a 0.00 c 0.00 0.00 19.00 34.50 26.87 a 0.00 0.00 a 0.00 0.00 80.37
1941 0.00 a 0.00 c 0.00 b 0.00 0.00 a 0.00 0.00 0.52 a 0.00 0.00 c 0.00 0.00 a 0.52
1942 0.00 d 0.00 0.00 b 0.00 4.00 11.00 27.00 0.00 0.00 0.00 0.00 a 0.00 42.00
1943 0.00 a 0.00 b 0.00 h 0.00 z 0.00 h 0.00 17.50 0.00 0.00 0.00 0.00 0.00 17.50
1944 0.00 0.00 0.00 a 0.00 c 0.00 0.00 13.00 12.50 0.00 0.00 0.00 0.00 c 25.50
1945 0.00 0.00 0.00 0.00 0.00 0.00 0.50 j 0.00 4.50 0.00 0.00 0.00 4.50
1946 0.00 0.00 0.00 u 0.00 z 0.00 a 2.00 4.28 b 1.00 1.00 0.00 0.00 0.00 8.28
1947 0.00 0.00 0.00 0.00 0.00 b 3.50 18.00 0.50 0.00 0.00 0.00 0.00 22.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.50 2.58 a 9.50 0.00 i 0.00 0.00 16.58
1949 0.00 0.00 0.00 0.00 a 0.00 0.00 1.50 4.00 0.00 0.00 b 0.00 0.00 5.50
1950 0.00 0.00 0.00 0.00 0.00 7.50 10.50 0.00 a 1.50 0.00 0.00 a 0.00 19.50
1951 0.00 a 0.00 0.00 0.00 1.00 i 2.50 60.00 4.98 c 0.00 0.00 a 0.00 0.00 67.48
1952 0.00 0.00 0.00 0.00 0.00 0.00 b 4.00 8.27 a 0.00 0.00 c 0.00 0.00 12.27
1953 0.00 0.00 0.00 0.00 0.00 a 4.00 14.00 0.00 0.00 0.00 0.00 0.00 a 18.00
1954 0.00 b 0.00 b 0.00 0.00 0.00 a 0.00 k 11.00 8.00 j 0.00 0.00 a 0.00 0.00 a 11.00
1955 0.00 0.00 0.00 0.00 a 0.00 k 3.60 e 10.00 1.50 0.00 0.00 0.00 0.00 15.10
1956 0.00 0.00 0.00 0.00 0.00 5.50 16.50 4.00 0.00 0.00 i 0.00 0.00 26.00
1957 0.00 0.00 0.00 0.00 0.00 3.00 2.50 0.00 0.00 0.00 0.00 0.00 5.50
1958 0.00 0.00 p 0.00 o 0.00 z 0.00 6.00 46.00 20.00 0.00 0.00 b 0.00 s 0.00 z 72.00
1959 0.00 z 0.00 z 0.00 z 0.00 u 0.00 0.00 26.00 0.00 0.00 0.00 b 0.00 z 0.00 z 26.00
1960 0.00 z 0.00 z 0.00 z 0.00 s 0.00 13.00 24.00 37.50 0.00 0.00 0.00 e 0.00 z 74.50
1961 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 22.50 21.50 0.50 0.00 0.00 0.00 k 0.00 z 44.50
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.50 2.50 0.00 0.00 0.00 0.00 n 3.00
1963 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 21.50 0.00 0.00 0.00 0.00 j 0.00 z 21.50
1964 0.00 z 0.00 z 0.00 z 0.00 z 0.00 d 0.00 1.00 0.00 0.00 0.00 0.00 r 0.00 z 1.00
1965 0.00 z 0.00 z 0.00 z 0.00 z 0.00 l 0.00 0.00 0.50 0.00 0.00 0.00 g 0.00 z 0.50
1966 0.00 z 0.00 z 0.00 z 0.00 s 0.00 0.00 4.50 1.00 0.00 0.00 0.00 z 0.00 z 5.50
1967 0.00 z 0.00 z 0.00 z 0.00 o 0.00 0.00 0.50 0.00 0.00 0.00 0.00 0.00 z 0.50
1968 0.00 z 0.00 z 0.00 z 0.00 z 0.00 f 4.50 4.50 0.00 0.00 0.00 0.00 0.00 z 9.00
1969 0.00 z 0.00 z 0.00 z 0.00 z 0.00 i 0.00 2.50 13.00 0.00 d 0.00 h 0.00 z 0.00 z 15.50
1970 0.00 z 0.00 z 0.00 z 0.00 z 0.00 m 11.00 28.00 7.00 0.00 b 0.00 0.00 d 0.00 z 46.00
1971 0.00 z 0.00 z 0.00 z 0.00 q 0.00 8.57 b 22.39 d 0.00 0.00 0.00 d 0.00 z 0.00 z 30.96
1972 0.00 z 0.00 z 0.00 z 0.00 i 0.00 a 9.50 g 84.00 21.38 b 0.00 0.00 z 0.00 z 0.00 z 105.38
1973 0.00 z 0.00 z 0.00 z 0.00 e 0.00 g 1.03 a 11.50 4.00 j 0.00 0.00 0.00 0.00 a 12.53
1974 0.00 0.00 0.00 0.00 0.00 16.55 a 3.10 a 2.07 a 0.00 a 0.00 0.00 a 0.00 21.72
1975 0.00 0.00 a 0.00 0.00 0.00 0.00 1.00 0.00 0.00 0.00 a 0.00 e 0.00 1.00
1976 0.00 0.00 0.00 0.00 0.00 a 1.00 6.72 a 2.50 0.00 0.00 0.00 0.00 10.22
1977 0.00 0.00 0.00 0.00 0.00 2.00 0.00 4.00 3.00 0.00 0.00 0.00 9.00
1978 0.00 a 0.00 0.00 0.00 0.00 4.14 a 6.00 9.09 b 0.00 0.00 b 0.00 a 0.00 19.22
1979 0.00 0.00 0.00 0.00 0.00 2.88 d 12.40 a 16.02 a 0.00 0.00 a 0.00 a 0.00 31.30
1980 0.00 0.00 0.00 e 0.00 z 0.00 2.14 b 5.00 3.88 c 0.00 0.00 a 0.00 z 0.00 11.02
1981 0.00 0.00 0.00 n 0.00 0.00 c 11.00 f 2.00 g 9.00 g 0.00 0.00 z 0.00 a 0.00 0.00
1982 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 3.50 0.00 0.00 0.00 0.00 z 0.00 3.50
1983 0.00 0.00 0.00 0.00 i 0.00 0.00 2.00 0.00 0.00 0.00 k 0.00 0.00 2.00
1984 0.00 0.00 0.00 0.00 0.00 0.00 0.50 0.00 0.00 0.00 0.00 0.00 0.50
1985 0.00 0.00 0.00 0.00 0.00 1.00 29.50 3.00 0.00 0.00 0.00 0.00 33.50
1986 0.00 0.00 0.00 0.00 0.00 m 1.00 j 0.00 n 5.00 l 0.00 m 0.00 0.00 0.00 0.00
1987 0.00 0.00 0.00 0.00 c 0.00 0.00 3.00 0.00 0.00 0.00 0.00 0.00 z 3.00
1988 0.00 0.00 0.00 0.00 0.00 1.00 12.50 1.50 0.00 0.00 0.00 0.00 15.00
1989 0.00 0.00 0.00 0.00 0.00 8.00 51.50 0.00 0.00 0.00 0.00 0.00 59.50
1990 0.00 0.00 0.00 0.00 0.00 f 23.50 9.00 2.50 0.00 0.00 0.00 0.00 35.00
1991 0.00 0.00 0.00 0.00 0.00 0.00 5.50 0.00 0.00 0.00 0.00 0.00 5.50
1992 0.00 0.00 0.00 0.00 0.00 0.50 8.50 3.50 0.00 0.00 0.00 0.00 12.50
1993 0.00 0.00 0.00 0.00 0.00 3.00 7.00 11.50 0.00 0.00 0.00 0.00 21.50
1994 0.00 0.00 0.00 0.00 0.00 17.00 14.50 19.00 0.00 0.00 0.00 0.00 50.50
1995 0.00 0.00 0.00 0.00 0.00 0.00 a 20.00 20.50 3.50 0.00 0.00 0.00 44.00
1996 0.00 0.00 0.00 0.00 0.00 d 7.50 56.50 20.50 0.00 0.00 a 0.00 0.00 84.50
1997 0.00 0.00 0.00 0.00 0.00 0.00 14.50 0.50 0.00 0.00 0.00 0.00 15.00
1998 0.00 0.00 0.00 0.00 0.00 a 0.00 a 19.00 0.50 0.00 0.00 0.00 0.00 19.50
1999 0.00 e 0.00 0.00 g 0.00 b 0.00 2.50 8.00 0.00 a 0.00 0.00 a 0.00 b 0.00 a 10.50
2000 0.00 b 0.00 a 0.00 a 0.00 b 0.00 a 4.00 48.50 25.50 0.00 0.00 0.00 f 0.00 z 78.00
2001 0.00 c 0.00 c 0.00 b 0.00 a 0.00 b 3.00 17.00 4.00 0.00 0.00 0.00 b 0.00 z 24.00
2002 0.00 b 0.00 z 0.00 0.00 2.00 6.00 61.50 29.00 0.00 0.00 0.00 0.00 98.50
2003 0.00 0.00 0.00 0.00 1.00 3.00 130.00 18.00 0.50 0.00 0.00 0.00 152.50
2004 0.00 0.00 0.00 0.00 z 0.00 z 5.00 31.50 16.00 0.00 0.00 0.00 e 0.00 52.50
2005 0.00 0.00 0.00 0.00 0.00 0.00 z 83.50 0.00 0.00 0.00 0.00 0.00 f 83.50
2006 0.00 0.00 0.00 0.00 2.00 17.00 f 39.00 0.00 0.00 0.00 0.00 z 0.00 j 41.00
2007 0.00 0.00 z 0.00 z 0.00 n 0.00 n 6.00 e 70.50 5.00 0.50 0.00 h 0.00 g 0.00 c 82.00
2008 0.00 0.00 h 0.00 g 0.00 o 0.00 k 8.00 18.00 15.50 0.00 0.00 0.00 z 0.00 e 41.50
2009 0.00 0.00 e 0.00 j 0.00 z 0.00 t 0.00 z 46.00 5.00 f 0.00 0.00 e 0.00 h 0.00 v 46.00
2010 0.00 e 0.00 e 0.00 c 0.00 0.00 7.50 27.00 0.50 1.50 0.00 0.00 e 0.00 36.50
2011 0.00 b 0.00 c 0.00 b 0.00 g 0.00 y 0.00 z 20.00 39.02 b 3.00 0.00 c 0.00 b 0.00 d 62.02
2012 0.00 0.00 a 0.00 a 0.00 b 0.00 c 10.50 4.13 a 12.00 0.00 0.00 0.00 0.00 a 26.63
2013 0.00 0.00 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.00 0.18 4.53 20.85 6.41 0.64 0.00 0.00 0.00 31.05
S.D. 0.00 0.00 0.00 0.00 0.72 6.47 23.47 9.09 2.10 0.00 0.00 0.00 32.26
SKEW 0.00 0.00 0.00 0.00 4.19 1.93 2.01 1.72 4.61 0.00 0.00 0.00 2.05
MAX 0.00 0.00 0.00 0.00 4.00 27.00 130.00 39.02 14.48 0.00 0.00 0.00 152.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.50
NO YRS 65 55 54 57 69 78 85 80 86 79 68 58 33