LIVERMORE, CALIFORNIA

Monthly Total Cooling Degree Days

(044997)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1903 0.00 0.00 0.00 0.00 a 45.00 140.50 112.50 132.55 b 142.50 72.33 a 1.50 0.00 a 646.89
1904 0.00 0.00 a 0.00 16.00 52.18 a 139.66 a 153.50 129.68 a 201.00 43.83 b 0.00 e 0.00 b 735.85
1905 0.00 0.00 a 0.00 0.00 c 19.12 a 49.14 a 184.45 a 143.00 125.00 c 36.68 a 0.00 a 0.00 b 557.39
1906 0.00 a 0.00 0.00 3.89 c 9.96 c 88.39 b 314.81 b 209.80 c 117.32 b 67.68 a 2.68 b 0.00 c 814.54
1907 0.00 d 0.00 0.00 a 11.00 19.63 a 67.50 b 122.50 153.00 0.00 z 14.47 a 0.00 a 0.00 c 388.10
1908 0.00 e 0.00 k 0.00 e 15.50 20.00 53.00 284.17 d 200.00 146.00 7.00 0.00 a 0.00 725.67
1909 0.00 0.00 0.00 0.00 z 18.50 79.00 133.50 165.50 150.00 33.00 0.00 0.00 579.50
1910 0.00 0.00 0.00 b 17.00 g 79.71 c 55.34 a 204.50 183.00 80.00 58.90 a 0.00 a 0.00 a 661.46
1911 0.00 a 0.00 a 1.55 a 0.00 a 10.00 50.17 a 235.17 b 90.93 a 52.00 20.48 c 0.00 c 0.00 c 460.31
1912 0.00 c 0.00 0.00 c 0.00 e 29.89 c 128.00 136.83 b 151.90 a 130.50 38.23 a 0.00 b 0.00 d 615.35
1913 0.00 d 0.00 c 0.00 a 9.50 38.50 50.17 a 164.00 i 297.08 a 217.50 76.35 d 0.00 f 0.00 f 689.11
1914 0.00 h 0.00 18.00 1.50 26.00 93.00 0.00 z 201.50 118.50 38.00 0.00 0.00 496.50
1915 0.00 0.00 1.00 0.00 20.00 107.50 202.02 a 261.00 152.50 65.50 1.50 0.00 811.02
1916 0.00 0.00 0.50 4.50 7.50 84.00 219.00 97.50 80.50 0.00 0.00 0.00 493.50
1917 0.00 0.00 0.00 1.00 0.00 84.50 169.50 38.00 148.00 47.00 2.00 0.00 490.00
1918 0.00 0.00 2.00 3.00 6.20 a 237.00 102.00 i 0.00 z 120.50 61.48 a 8.00 0.00 438.18
1919 0.00 0.00 0.00 0.00 28.00 64.50 120.00 145.50 109.50 1.00 0.00 0.00 468.50
1920 0.00 0.00 0.00 0.00 17.50 m 3.50 y 78.00 235.17 b 84.00 17.50 0.00 e 0.00 414.67
1921 0.00 c 0.50 0.00 b 35.00 c 25.83 a 159.23 d 204.00 114.50 100.00 20.50 0.00 0.00 659.56
1922 0.00 0.00 0.00 0.00 27.00 111.00 200.00 116.00 210.00 5.00 0.00 0.00 669.00
1923 0.00 0.00 0.00 0.00 7.50 11.50 99.00 134.00 180.00 14.00 0.00 0.00 446.00
1924 0.00 m 0.00 0.00 7.00 59.50 115.00 90.50 135.50 93.00 14.00 0.00 0.00 514.50
1925 0.00 0.00 0.00 2.50 5.50 26.00 h 186.50 72.50 12.50 11.50 0.00 0.00 291.00
1926 0.00 0.00 0.00 20.50 39.50 122.00 206.50 127.00 32.50 23.50 0.00 0.00 571.50
1927 0.00 0.00 0.00 1.50 38.50 63.50 154.50 91.00 26.50 13.50 0.00 0.00 a 389.00
1928 0.00 0.00 0.50 5.00 h 55.00 125.00 154.00 133.00 171.50 31.50 0.00 0.00 670.50
1929 0.00 0.00 1.50 0.00 5.50 173.00 152.00 201.50 123.50 40.00 0.00 0.00 697.00
1930 0.00 0.00 7.00 1.00 6.00 118.00 167.00 155.00 67.00 44.00 0.00 0.00 565.00
1931 0.00 d 0.00 0.00 a 17.00 139.00 78.50 349.50 276.23 c 117.00 33.50 11.00 0.00 1021.73
1932 0.00 0.00 z 0.00 z 0.00 z 0.00 z 39.00 z 170.50 186.00 203.50 27.50 5.50 0.00 593.00
1933 0.00 0.00 0.00 0.00 27.50 46.50 279.00 218.50 53.50 102.00 0.00 0.00 727.00
1934 0.00 0.00 0.00 4.50 42.00 90.50 166.00 172.50 174.50 22.50 0.00 0.00 672.50
1935 0.00 0.00 0.00 0.00 9.50 116.00 172.00 174.50 70.00 13.00 0.00 0.00 555.00
1936 0.00 0.00 0.00 0.50 59.50 129.50 278.00 258.00 195.50 63.00 0.00 0.00 984.00
1937 0.00 0.00 0.00 0.00 29.50 124.50 274.00 244.50 140.00 31.50 0.00 0.00 844.00
1938 0.00 0.00 a 0.00 3.50 43.50 88.50 223.50 143.50 142.00 9.00 0.00 0.00 653.50
1939 0.00 0.00 0.00 12.00 49.50 116.50 191.50 177.50 206.00 28.50 0.00 0.00 781.50
1940 0.00 0.00 0.00 4.50 20.00 156.50 176.00 192.41 b 32.00 m 35.00 0.00 0.00 584.41
1941 0.00 0.00 0.00 0.00 37.00 50.50 237.50 110.50 88.50 35.50 0.50 0.00 560.00
1942 0.00 0.00 0.00 0.00 20.00 70.00 201.50 217.00 113.00 52.00 0.00 0.00 673.50
1943 0.00 0.00 0.00 0.50 48.50 46.50 171.00 141.00 155.00 33.00 0.00 0.00 595.50
1944 0.00 0.00 0.00 0.00 32.50 57.00 133.00 170.00 207.00 23.50 0.00 0.00 623.00
1945 0.00 0.00 0.00 8.00 2.00 153.00 260.00 256.00 212.50 56.50 1.03 a 0.00 d 949.03
1946 0.00 0.00 a 0.00 1.55 a 2.00 19.50 0.00 z 0.00 z 0.00 z 19.63 a 0.00 0.00 42.69
1947 0.00 0.00 0.00 19.00 51.15 a 125.50 169.97 b 308.40 b 0.00 z 26.50 0.00 0.00 700.51
1948 0.00 0.00 0.00 1.03 a 11.37 a 130.34 a 240.50 228.50 212.50 25.00 0.00 0.00 849.25
1949 0.00 0.00 0.00 4.00 29.00 150.50 191.00 105.00 154.50 49.00 6.00 0.00 689.00
1950 0.00 0.00 0.00 30.00 c 57.00 h 76.50 284.68 a 246.00 187.50 47.02 a 2.07 a 0.00 873.77
1951 0.00 0.00 c 0.00 a 6.50 66.65 a 77.07 a 147.52 b 212.35 a 147.00 25.00 0.00 a 0.00 682.09
1952 0.00 0.00 0.00 a 1.00 54.25 a 38.00 250.14 b 187.50 219.31 a 90.50 0.00 0.00 840.70
1953 0.00 0.00 0.00 a 0.00 b 8.50 63.50 225.61 d 88.19 b 180.00 33.77 c 0.00 b 0.00 a 599.57
1954 0.00 0.00 0.00 c 16.00 21.00 93.21 b 215.50 84.50 75.52 a 17.05 a 0.00 a 0.00 a 522.78
1955 0.00 a 0.00 0.00 a 0.00 a 41.00 70.00 112.78 b 211.32 a 157.76 a 9.82 a 0.00 a 0.00 602.67
1956 0.00 0.00 b 0.00 5.00 33.07 a 102.50 176.50 123.00 126.72 a 30.50 0.00 0.00 597.29
1957 0.00 0.00 b 0.00 13.50 16.53 a 189.83 a 213.50 121.00 170.69 a 10.00 0.00 0.00 f 735.05
1958 0.00 0.00 0.00 2.00 40.50 98.00 211.00 348.00 263.00 136.50 1.00 0.00 1100.00
1959 0.00 0.00 2.50 15.00 19.00 h 135.00 b 245.00 198.50 81.50 71.00 0.00 0.00 748.50
1960 0.00 0.00 0.00 4.00 7.50 219.00 259.00 167.50 122.50 8.00 0.00 0.00 787.50
1961 0.00 0.00 0.00 4.00 0.00 178.50 272.50 209.50 111.50 89.00 0.00 0.00 865.00
1962 0.00 0.00 0.00 4.50 9.50 99.00 155.00 161.50 84.50 14.50 0.00 0.00 528.50
1963 0.00 0.00 0.00 0.00 6.20 a 51.50 106.00 144.00 130.00 12.50 0.00 0.00 450.20
1964 0.00 0.00 0.00 2.00 2.50 67.50 172.00 169.50 96.00 72.50 0.00 0.00 582.00
1965 0.00 0.00 0.00 8.00 19.00 30.00 133.50 200.50 42.50 40.50 0.00 0.00 474.00
1966 0.00 0.00 0.00 8.00 31.00 125.50 103.50 254.50 122.50 30.00 1.50 0.00 676.50
1967 0.00 0.00 0.00 0.00 40.00 62.00 237.50 304.50 192.00 40.50 8.50 0.00 885.00
1968 0.00 0.00 0.00 3.50 12.50 146.00 223.00 154.50 141.50 1.50 0.00 0.00 682.50
1969 0.00 0.00 0.00 0.00 39.00 47.00 258.50 280.50 210.50 7.00 0.00 0.00 842.50
1970 0.00 0.00 0.00 0.00 105.00 116.50 258.00 154.00 157.00 21.50 0.00 0.00 812.00
1971 0.00 0.00 0.00 0.00 0.00 78.00 213.00 269.00 215.50 42.00 0.00 0.00 817.50
1972 0.00 0.00 0.50 3.62 a 70.78 a 157.50 0.00 z 181.00 64.50 12.00 0.00 z 0.00 489.90
1973 0.00 0.00 z 0.00 z 2.50 90.00 200.50 195.00 156.00 85.50 10.50 0.00 0.00 a 740.00
1974 0.00 0.00 0.00 0.00 27.00 99.00 200.50 208.50 158.50 45.00 0.00 0.00 z 738.50
1975 0.00 0.00 0.00 0.00 72.50 96.00 162.00 161.50 122.50 28.00 0.00 0.00 642.50
1976 0.00 0.00 0.00 0.00 57.00 169.00 167.00 123.50 111.50 44.95 a 0.00 0.00 672.95
1977 0.00 0.00 0.00 1.55 a 11.50 169.50 193.50 198.00 113.00 58.50 0.00 z 0.00 745.55
1978 0.00 0.00 0.00 z 0.00 83.50 150.00 a 248.00 271.50 133.00 82.00 0.00 0.00 968.00
1979 0.00 0.00 a 0.00 0.00 63.00 140.00 267.00 160.50 210.50 46.50 0.00 0.00 887.50
1980 0.00 0.00 0.00 0.00 16.50 56.50 248.00 189.00 128.50 117.50 0.00 0.00 756.00
1981 0.00 0.00 0.00 34.00 41.50 292.50 240.00 210.50 127.50 8.00 0.00 0.00 954.00
1982 0.00 0.00 0.00 0.00 42.00 40.50 149.50 170.00 142.00 20.50 0.00 0.00 564.50
1983 0.00 0.00 0.00 0.00 36.00 91.00 162.50 223.50 223.50 24.00 0.00 0.00 760.50
1984 0.00 0.00 0.00 0.00 89.50 102.50 311.00 217.50 265.50 17.00 0.00 0.00 1003.00
1985 0.00 0.00 0.00 18.50 14.00 231.00 305.00 166.00 83.50 43.50 0.00 0.00 861.50
1986 0.00 0.00 0.50 10.00 33.50 107.50 184.00 196.00 52.50 29.00 0.00 0.00 613.00
1987 0.00 0.00 0.00 26.00 124.00 0.00 z 102.50 219.00 163.00 78.00 0.00 0.00 712.50
1988 0.00 0.00 2.50 12.50 47.50 147.00 344.50 235.00 161.00 58.00 4.00 0.00 1012.00
1989 0.00 0.00 0.00 31.50 41.00 107.50 212.00 202.50 111.50 30.00 5.00 0.00 741.00
1990 0.00 0.00 0.00 15.00 37.50 126.00 263.50 272.50 152.50 48.00 0.00 0.00 915.00
1991 0.00 0.00 0.00 0.00 15.00 65.50 242.50 165.00 231.00 175.00 0.00 0.00 894.00
1992 0.00 0.00 0.00 18.50 103.50 125.50 240.00 289.50 172.00 73.00 1.00 0.00 1023.00
1993 0.00 0.00 0.00 3.00 24.50 190.00 206.50 231.50 156.00 30.50 0.50 0.00 842.50
1994 0.00 0.00 0.00 2.00 19.00 106.00 184.50 222.50 152.00 20.00 0.00 z 0.00 706.00
1995 0.00 0.00 0.00 0.00 22.00 114.00 235.00 241.00 137.50 46.50 0.50 0.00 796.50
1996 0.00 0.00 0.00 29.00 57.00 158.50 339.50 314.50 110.00 68.50 0.00 0.00 1077.00
1997 0.00 0.00 2.00 10.50 132.50 111.50 248.00 237.50 210.00 21.00 8.00 0.00 981.00
1998 0.00 0.00 0.00 14.00 0.00 57.50 243.00 341.00 199.50 1.00 0.00 0.00 856.00
1999 0.00 0.00 0.00 16.00 13.00 120.50 190.00 192.50 194.50 79.50 1.50 0.00 807.50
2000 0.00 0.00 4.00 19.00 84.50 213.50 163.00 240.50 174.00 0.00 z 0.00 0.00 898.50
2001 0.00 0.00 4.50 8.50 204.50 217.50 224.50 238.50 152.50 73.00 0.00 0.00 1123.50
2002 0.00 0.00 0.00 10.00 44.50 132.00 270.50 232.50 218.50 46.00 0.00 0.00 954.00
2003 0.00 0.00 0.00 0.00 74.00 145.00 358.50 239.00 225.00 86.50 0.00 0.00 1128.00
2004 0.00 0.00 15.50 39.00 45.00 117.50 243.50 255.00 205.50 48.50 0.00 0.00 969.50
2005 0.00 0.00 1.00 0.00 40.50 82.00 360.50 314.50 99.50 29.00 0.00 0.00 927.00
2006 0.00 0.00 0.00 5.50 67.50 220.50 412.50 204.50 161.00 6.00 0.00 0.00 1077.50
2007 0.00 0.00 2.00 16.50 53.50 129.50 238.50 266.00 114.00 2.00 0.00 0.00 822.00
2008 0.00 0.00 0.00 18.00 83.00 177.00 259.50 280.00 207.00 37.50 0.00 0.00 1062.00
2009 0.00 0.00 0.00 32.00 89.50 121.50 231.50 248.00 264.50 23.50 0.00 0.00 1010.50
2010 0.00 0.00 0.00 0.00 6.00 135.50 196.50 161.50 181.00 64.00 3.50 0.00 748.00
2011 0.00 0.00 1.50 0.00 13.50 106.00 217.50 197.50 238.50 33.00 0.00 0.00 807.50
2012 0.00 0.00 0.00 29.00 52.00 138.00 215.50 275.00 167.50 69.50 0.00 0.00 946.50
2013 0.00 0.00 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 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.64 7.15 39.15 112.75 210.66 195.69 145.78 39.34 0.72 0.00 760.17
S.D. 0.00 0.05 2.46 9.65 33.98 52.04 64.01 62.18 55.27 29.57 1.98 0.00 185.66
SKEW 0.00 10.25 5.66 1.51 1.79 0.68 0.44 0.09 -0.06 1.52 3.30 0.00 0.10
MAX 0.00 0.50 18.00 39.00 204.50 292.50 412.50 348.00 265.50 175.00 11.00 0.00 1128.00
MIN 0.00 0.00 0.00 0.00 0.00 11.50 78.00 38.00 12.50 0.00 0.00 0.00 389.00
NO YRS 109 108 107 106 106 106 105 108 106 109 106 107 84