LOS ANGELES INTL AP, CALIFORNIA

Monthly Total Cooling Degree Days

(045114)

Base Temperature = 65 F

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.
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
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 70.78 a 50.17 a 0.00 b 0.00 0.00 120.96
1945 0.00 1.50 4.28 b 0.00 2.50 3.00 78.00 132.30 c 97.00 f 42.62 c 8.33 c 0.00 a 272.54
1946 0.00 a 0.00 0.00 a 5.00 c 0.00 21.00 83.50 97.00 108.21 b 10.69 b 0.00 0.00 325.40
1947 0.00 a 0.50 4.13 a 25.34 a 3.50 g 16.73 d 88.57 c 113.31 b 82.24 a 6.50 k 0.00 m 6.20 a 337.03
1948 0.57 d 1.55 a 0.00 b 10.34 a 2.58 a 2.59 a 31.50 37.64 c 51.72 a 9.50 1.50 0.00 a 149.51
1949 0.00 0.00 0.00 2.00 13.00 61.00 73.37 a 103.91 d 81.72 a 25.50 66.21 a 0.00 d 426.71
1950 0.00 i 0.00 e 3.10 a 0.00 0.00 b 3.00 f 112.93 c 38.15 e 46.07 b 48.50 37.00 g 2.21 c 250.97
1951 5.34 b 0.00 c 4.50 l 0.00 i 0.00 c 10.38 d 113.48 c 76.90 e 72.50 54.50 13.93 b 0.00 a 347.04
1952 0.00 a 2.42 e 8.30 c 0.00 j 1.11 c 2.00 60.89 c 93.53 b 102.50 7.50 16.50 4.65 a 299.40
1953 13.00 6.50 2.07 a 0.00 35.65 a 14.00 167.50 55.50 41.38 a 73.00 22.00 5.00 435.60
1954 0.00 31.00 0.00 0.00 0.50 23.28 a 211.50 180.50 89.50 8.50 38.00 5.00 587.78
1955 0.00 0.00 7.00 10.00 7.50 9.50 71.00 170.00 174.00 13.50 8.50 0.00 471.00
1956 0.00 0.00 4.65 a 0.00 39.00 j 50.50 104.50 129.00 155.19 d 33.07 a 90.50 2.67 b 570.08
1957 0.00 b 12.92 b 5.17 a 2.59 a 4.13 a 133.50 226.50 239.00 118.00 53.50 2.50 8.50 806.31
1958 5.50 3.00 0.00 61.00 46.50 115.50 154.50 259.00 232.00 231.50 34.00 45.00 1187.50
1959 0.00 0.00 29.50 32.50 35.00 142.00 311.50 275.50 232.50 102.50 47.50 12.00 1220.50
1960 1.50 0.00 2.50 22.00 23.50 29.50 139.50 105.50 148.50 42.00 0.00 0.00 514.50
1961 5.00 0.00 0.00 1.50 0.00 26.50 190.50 158.00 94.00 78.00 10.50 0.00 564.00
1962 4.50 0.00 0.00 10.00 6.50 10.50 35.50 141.50 81.00 28.50 3.00 0.00 321.00
1963 1.50 19.50 0.00 0.00 2.00 37.00 115.00 183.50 285.50 92.00 14.00 4.50 754.50
1964 0.00 0.00 8.00 15.50 0.00 0.00 67.50 137.00 61.50 86.50 21.50 0.00 397.50
1965 10.50 2.00 0.00 8.50 0.50 0.50 36.00 201.50 91.00 148.50 0.00 4.00 503.00
1966 2.00 0.00 0.00 18.50 4.50 56.50 100.00 213.00 136.50 139.50 33.00 0.00 703.50
1967 0.50 5.50 0.50 0.00 49.00 2.00 135.00 241.50 208.00 111.50 28.00 0.00 781.50
1968 5.00 3.50 4.00 19.00 33.00 43.00 107.00 109.00 108.00 39.00 10.50 0.00 481.00
1969 6.50 0.00 4.00 7.50 8.00 24.00 127.50 186.50 67.50 65.00 42.50 12.00 551.00
1970 0.00 5.50 0.00 3.00 26.00 34.50 113.50 137.50 130.00 54.00 11.50 1.50 517.00
1971 21.50 8.00 0.00 12.00 22.50 29.00 138.50 286.50 179.50 97.50 13.00 0.00 808.00
1972 0.00 0.00 7.50 2.50 31.00 62.00 165.50 240.00 144.00 60.50 0.50 3.00 716.50
1973 1.00 0.00 0.00 4.00 13.50 64.50 92.00 126.50 77.50 49.00 2.00 7.00 437.00
1974 0.00 3.00 0.00 1.50 4.50 53.00 171.50 143.00 118.00 57.00 37.50 0.00 589.00
1975 12.00 0.00 0.00 0.00 0.00 12.00 120.50 100.00 155.50 47.50 18.50 6.50 472.50
1976 27.50 1.50 6.50 0.50 0.50 107.00 156.00 133.00 161.00 136.50 93.50 3.00 826.50
1977 2.50 12.50 0.00 1.00 0.00 20.00 113.00 183.00 109.50 57.50 57.00 4.50 560.50
1978 0.00 2.50 32.00 0.00 65.50 81.50 86.00 149.50 258.50 108.50 3.00 0.00 787.00
1979 0.00 0.00 8.00 0.00 33.00 127.00 105.50 184.50 264.00 54.00 7.50 21.00 804.50
1980 2.00 8.00 0.00 15.00 0.00 58.00 115.50 182.00 64.00 68.00 8.00 14.00 534.50
1981 0.00 27.50 0.00 23.50 24.50 207.00 206.00 196.00 138.00 49.50 29.50 3.50 905.00
1982 0.00 2.50 0.50 9.00 4.50 6.50 134.00 197.50 198.50 133.50 14.00 0.00 700.50
1983 20.50 0.00 0.00 0.50 10.00 37.00 143.00 265.00 223.00 139.50 14.00 0.00 852.50
1984 4.00 0.00 6.50 12.50 55.50 63.00 194.50 250.00 344.50 47.50 0.00 1.00 979.00
1985 0.00 13.00 0.00 22.50 1.50 46.50 197.00 152.00 110.50 85.00 5.50 5.00 638.50
1986 27.50 10.50 8.00 22.00 7.50 48.00 108.00 119.00 47.00 60.00 36.50 1.50 495.50
1987 3.00 10.00 8.00 33.00 24.50 14.00 41.00 84.50 138.00 130.50 21.00 0.00 507.50
1988 8.00 15.00 53.50 12.50 15.50 23.50 128.00 101.00 86.00 51.00 1.00 6.50 501.50
1989 4.50 11.00 6.00 78.50 2.00 32.50 136.00 83.50 100.00 43.50 51.50 16.50 565.50
1990 0.50 0.50 0.50 4.50 15.50 81.00 197.50 144.00 178.50 142.00 41.50 11.50 817.50
1991 1.00 4.00 0.00 14.50 8.00 12.50 62.00 122.00 85.00 102.50 35.00 1.50 448.00
1992 4.00 13.00 0.00 46.50 34.00 31.50 200.00 244.50 171.50 63.50 30.00 0.00 838.50
1993 3.00 0.00 12.00 10.00 30.00 109.00 140.50 138.00 120.00 109.00 20.50 4.00 696.00
1994 5.50 0.00 16.50 5.00 4.00 98.50 87.00 300.00 168.50 76.00 2.00 2.00 765.00
1995 2.50 35.00 0.00 6.50 0.00 21.00 100.00 122.00 170.50 81.00 4.50 0.00 543.00
1996 10.50 8.00 4.50 42.50 49.00 72.50 144.00 257.00 122.50 12.50 37.50 0.00 760.50
1997 0.00 4.50 15.50 22.50 81.50 113.00 137.00 244.00 290.00 121.00 53.50 1.50 1084.00
1998 0.00 0.00 0.50 0.00 0.00 16.00 140.50 219.00 163.00 40.00 0.00 2.00 581.00
1999 0.00 1.00 0.00 16.50 4.50 32.00 165.50 116.50 86.50 116.50 4.00 0.00 543.00
2000 4.00 2.50 1.50 6.50 19.50 91.50 112.00 178.50 139.00 22.00 1.50 1.00 579.50
2001 3.50 7.50 0.00 4.50 8.50 71.00 87.50 105.00 86.00 30.50 2.00 1.50 407.50
2002 0.00 14.50 0.00 0.00 8.00 29.50 107.00 80.00 88.50 16.00 45.00 0.00 388.50
2003 32.00 1.00 18.00 6.00 1.00 14.50 200.50 187.50 83.50 89.00 5.50 0.50 639.00
2004 0.00 0.00 27.00 32.00 62.00 54.50 133.50 133.50 225.00 14.00 0.00 4.50 686.00
2005 8.50 0.00 0.00 5.50 16.50 15.00 117.00 143.00 77.00 52.50 48.00 3.50 486.50
2006 10.50 18.00 0.00 1.00 17.00 125.50 287.00 179.00 114.50 51.00 49.50 1.00 854.00
2007 5.50 10.50 14.50 0.00 26.00 23.50 152.00 196.50 104.00 86.00 24.50 0.00 643.00
2008 1.50 3.50 12.00 73.50 47.00 111.50 150.00 155.00 108.50 143.00 53.00 0.00 858.50
2009 29.50 3.00 0.50 32.00 9.00 13.00 109.00 121.00 148.00 55.00 8.00 0.00 528.00
2010 2.50 3.00 16.50 2.50 2.00 6.50 42.00 46.00 87.00 49.50 57.50 10.50 325.50
2011 6.00 0.50 7.50 17.00 29.00 11.00 104.50 81.50 65.50 43.50 8.00 0.00 374.00
2012 9.50 0.00 7.00 6.00 5.00 15.00 56.50 224.50 217.00 138.50 24.00 0.00 703.00
2013 4.50 2.00 8.00 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 14.50
Period of Record Statistics
MEAN 5.00 5.11 5.67 13.03 16.58 46.72 127.06 156.54 133.32 69.55 22.28 3.64 627.90
S.D. 7.61 7.55 9.29 16.99 19.04 43.21 55.20 63.97 66.13 44.90 22.21 6.71 210.02
SKEW 2.16 2.09 2.84 2.09 1.35 1.32 0.81 0.29 1.02 0.89 1.15 3.92 0.59
MAX 32.00 35.00 53.50 78.50 81.50 207.00 311.50 300.00 344.50 231.50 93.50 45.00 1220.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 31.50 37.64 41.38 0.00 0.00 0.00 149.51
NO YRS 68 69 68 66 66 67 68 69 68 68 67 69 62