LOS ANGELES DWTN USC CAMPUS, CALIFORNIA

Monthly Total Heating Degree Days

(045115)

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
1906 0.00 z 0.00 z 0.00 z 128.50 70.50 6.00 2.00 0.00 0.00 12.50 228.00 308.00 755.50
1907 436.50 79.50 207.50 46.50 0.00 z 0.00 z 0.00 6.50 0.00 z 0.00 z 0.00 z 0.00 z 776.50
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 z 85.50 192.00 302.00 579.50
1909 323.50 307.00 309.50 158.00 162.00 42.00 0.50 3.50 11.50 64.50 184.00 351.50 1917.50
1910 358.00 266.50 214.50 114.00 99.50 34.00 2.00 0.00 4.00 47.50 147.50 184.00 1471.50
1911 261.00 366.50 208.00 199.50 136.00 62.00 2.50 0.00 2.50 42.50 80.50 314.00 1675.00
1912 202.50 154.50 0.00 z 257.00 89.00 22.00 8.00 0.50 2.50 78.00 61.50 264.00 1139.50
1913 404.00 313.00 249.50 176.50 127.50 55.00 0.00 0.50 0.00 16.00 131.00 298.50 1771.50
1914 265.00 162.00 127.00 111.50 146.50 48.00 0.00 3.00 13.50 20.50 42.50 357.00 1296.50
1915 282.00 288.00 159.00 155.50 137.00 3.00 1.50 0.00 7.50 55.50 125.00 255.50 1469.50
1916 440.50 209.00 146.00 102.00 119.50 54.50 4.50 5.50 22.50 182.00 179.00 384.00 1849.00
1917 428.50 274.00 258.00 224.50 200.50 43.50 0.00 0.00 0.00 25.00 85.50 124.50 1664.00
1918 292.00 254.00 202.00 128.00 134.00 6.50 0.00 0.00 0.00 1.50 146.50 255.00 1419.50
1919 157.50 316.50 290.00 132.00 108.00 9.00 0.00 0.00 8.50 76.50 151.00 213.00 1462.00
1920 271.00 224.00 260.50 194.50 119.50 12.50 0.00 0.00 3.00 76.00 154.00 289.00 1604.00
1921 340.50 232.50 193.50 214.50 191.50 29.00 0.00 0.00 6.50 44.50 117.00 163.00 1532.50
1922 360.50 308.50 296.00 237.50 116.00 23.50 0.00 0.00 0.00 46.50 167.50 214.50 1770.50
1923 250.00 257.50 150.50 198.50 63.50 67.50 1.00 0.00 8.50 40.50 37.00 198.50 1273.00
1924 202.50 98.00 267.50 155.50 54.00 13.50 0.00 0.00 13.00 98.00 112.00 302.00 1316.00
1925 232.50 216.00 212.00 172.00 74.50 28.00 0.00 0.00 0.00 43.50 95.50 79.50 1153.50
1926 176.00 133.50 99.50 75.00 38.00 3.00 2.50 0.00 5.50 21.50 44.00 276.50 875.00
1927 244.00 236.50 244.50 192.50 85.50 42.50 0.00 0.00 1.50 22.00 55.00 283.00 1407.00
1928 156.00 155.00 144.50 96.50 56.50 19.00 0.00 0.00 0.50 73.50 88.50 199.50 989.50
1929 307.50 296.00 240.50 230.50 48.50 20.00 0.00 0.00 0.00 8.00 43.50 78.00 1272.50
1930 283.00 177.00 173.00 76.50 125.50 9.00 0.00 0.00 8.50 18.50 90.50 156.00 1117.50
1931 175.50 119.50 55.00 36.00 5.00 3.00 0.00 0.00 0.00 27.50 214.50 312.00 948.00
1932 363.00 269.50 111.00 119.50 75.50 30.00 0.00 1.00 0.00 13.50 30.50 311.50 1325.00
1933 334.00 250.50 177.00 185.50 165.50 40.50 1.50 0.50 32.00 54.50 83.50 250.50 1575.50
1934 149.00 158.50 51.00 41.00 13.50 24.50 0.00 0.00 4.50 38.00 99.00 146.50 725.50
1935 267.50 167.50 307.00 137.50 110.50 5.50 4.00 0.00 0.00 28.50 141.00 173.50 1342.50
1936 179.50 250.50 201.50 142.00 28.50 11.00 0.00 0.00 0.00 26.50 37.00 203.50 1080.00
1937 535.00 271.00 214.50 107.00 78.00 7.50 0.00 0.00 0.00 18.00 104.00 113.00 1448.00
1938 128.50 232.50 226.00 135.50 79.50 24.50 0.00 0.50 0.00 26.50 95.00 136.00 1084.50
1939 247.00 306.00 256.50 98.50 77.00 8.50 0.00 0.00 0.00 17.00 19.50 78.00 1108.00
1940 169.00 163.00 131.00 115.50 28.00 11.50 0.00 0.00 0.00 30.50 92.00 156.50 897.00
1941 229.00 174.50 151.50 179.00 28.00 14.00 0.00 0.00 3.00 70.50 73.50 253.50 1176.50
1942 205.50 260.50 194.50 170.00 98.50 13.00 0.00 0.00 3.00 34.50 105.00 203.50 1288.00
1943 227.50 175.50 193.00 130.00 45.00 42.50 0.00 0.00 0.00 48.00 53.00 255.00 1169.50
1944 261.00 328.50 180.00 182.00 96.00 67.00 4.00 0.00 5.00 32.50 183.00 161.00 1500.00
1945 259.50 242.50 332.00 175.50 110.00 40.00 0.00 0.00 3.00 26.50 138.00 246.00 1573.00
1946 226.50 287.00 248.50 118.00 126.00 0.00 0.00 0.00 0.00 72.50 191.00 265.50 1535.00
1947 288.50 158.00 166.50 131.00 67.00 6.00 0.00 0.00 1.50 13.50 181.50 260.00 1273.50
1948 222.00 300.00 304.00 169.00 73.50 16.50 0.00 0.00 3.50 37.50 101.50 362.50 1590.00
1949 562.50 345.50 277.50 86.50 72.50 0.00 0.00 0.00 0.00 53.00 63.50 291.50 1752.50
1950 452.00 234.50 204.00 93.00 104.00 19.00 0.00 0.00 0.50 3.00 108.50 118.50 1337.00
1951 303.00 242.50 177.00 140.50 75.00 8.50 0.00 1.50 0.00 15.50 118.50 332.50 1414.50
1952 378.50 189.00 315.00 136.00 11.00 19.00 0.00 0.00 0.50 17.00 205.50 287.50 1559.00
1953 162.50 185.50 201.00 189.00 86.00 29.50 0.00 0.00 2.00 18.00 101.00 194.00 1168.50
1954 298.00 102.00 249.50 128.50 52.00 9.00 0.00 0.00 0.00 35.50 86.00 221.00 1181.50
1955 353.00 230.00 145.00 131.00 93.50 15.50 0.00 0.00 7.00 63.00 150.00 285.00 1473.00
1956 279.00 346.50 154.50 199.00 78.50 0.00 0.00 0.00 0.00 35.50 44.50 143.50 1281.00
1957 334.50 152.00 127.50 115.50 48.00 0.00 0.00 0.00 0.00 18.00 137.50 119.50 1052.50
1958 172.00 135.50 252.00 84.00 14.50 0.00 0.00 0.00 0.00 3.00 84.50 136.00 881.50
1959 161.00 245.00 53.50 33.00 28.50 0.00 0.00 0.00 0.00 3.50 25.00 150.50 700.00
1960 326.00 233.00 116.50 68.00 28.50 0.00 0.00 0.00 0.00 24.50 141.50 202.00 1140.00
1961 120.50 116.00 155.00 80.00 66.00 12.00 0.00 0.00 2.00 35.50 169.50 251.50 1008.00
1962 245.50 314.50 304.50 71.50 103.00 40.50 0.00 0.00 0.00 38.50 144.00 235.00 1497.00
1963 293.50 106.00 210.50 168.50 44.50 27.00 0.00 0.00 0.00 1.50 109.00 152.00 1112.50
1964 260.00 175.50 217.00 174.00 117.50 39.00 0.00 0.00 0.00 7.50 190.50 266.00 1447.00
1965 228.50 205.00 191.00 172.50 73.00 42.50 0.00 0.00 0.00 2.00 103.00 270.00 1287.50
1966 291.00 249.50 132.50 64.00 38.50 1.00 0.00 0.00 0.00 0.00 93.00 148.00 1017.50
1967 186.50 86.50 140.50 266.50 46.50 27.00 0.00 0.00 0.00 0.00 34.50 294.00 1082.00
1968 214.00 74.50 104.50 76.00 54.00 8.00 0.00 0.00 0.00 5.50 81.00 275.50 893.00
1969 226.50 284.00 192.50 74.00 27.50 1.50 0.00 0.00 0.00 25.50 56.50 189.50 1077.50
1970 230.00 112.00 135.50 140.00 30.00 1.50 0.00 0.00 0.00 9.50 76.50 251.00 986.00
1971 260.50 190.50 160.00 134.50 81.50 13.50 0.00 0.00 0.50 98.00 162.00 378.00 1479.00
1972 296.00 140.00 66.00 64.50 38.50 0.00 0.00 0.00 0.00 16.50 103.50 237.50 962.50
1973 275.50 143.50 221.50 81.50 37.50 4.50 0.00 0.00 1.00 9.00 159.50 178.50 1112.00
1974 308.00 167.50 177.00 59.00 36.00 2.00 0.00 0.00 0.00 28.50 80.00 276.00 1134.00
1975 249.00 259.50 289.50 269.00 81.00 24.50 0.00 0.00 0.00 35.00 136.50 253.00 1597.00
1976 195.00 253.00 222.50 224.50 55.00 12.50 0.00 0.00 0.00 1.00 65.00 145.50 1174.00
1977 221.00 91.50 254.00 62.50 114.50 1.50 0.00 0.00 0.00 15.50 54.00 137.00 951.50
1978 214.00 179.00 106.00 129.50 27.50 0.00 0.00 0.00 0.00 8.00 213.00 367.50 1244.50
1979 365.00 282.00 233.50 85.00 52.00 8.00 0.00 0.00 0.00 1.50 64.00 118.50 1209.50
1980 136.00 63.50 129.00 84.00 78.50 5.00 0.00 0.00 0.00 2.50 45.50 90.00 634.00
1981 108.50 94.00 104.00 46.00 2.00 0.00 0.00 0.00 0.00 13.50 62.50 105.50 536.00
1982 246.00 62.50 191.50 117.50 46.50 20.00 0.00 0.00 0.00 3.50 122.50 213.00 1023.00
1983 138.00 78.00 73.00 73.50 3.00 0.00 0.00 0.00 0.00 0.00 104.00 165.00 634.50
1984 145.50 105.00 33.00 63.50 5.00 0.00 0.00 0.00 0.00 6.00 134.00 247.50 739.50
1985 232.50 168.00 185.50 43.00 23.00 0.00 0.00 0.00 0.00 0.50 170.00 135.50 958.00
1986 45.50 129.00 95.50 36.00 8.50 0.00 0.00 0.00 9.50 3.00 15.50 158.00 500.50
1987 249.50 147.50 137.50 33.00 21.00 0.00 0.00 0.00 0.00 4.50 96.00 330.50 1019.50
1988 220.50 89.50 85.00 92.00 32.50 13.00 0.00 0.00 1.50 2.50 104.50 262.00 903.00
1989 277.00 276.50 111.00 40.00 29.00 5.50 0.00 0.00 0.50 2.50 31.50 108.00 881.50
1990 182.00 212.50 136.50 29.00 17.50 2.00 0.00 0.00 0.00 0.00 47.00 247.00 873.50
1991 190.00 68.50 255.50 77.50 77.50 3.00 0.00 0.00 0.00 26.00 48.00 173.00 919.00
1992 163.50 117.50 131.50 1.50 0.00 0.00 0.00 0.00 0.00 1.50 53.00 264.00 732.50
1993 245.00 188.00 72.50 12.50 0.50 7.00 0.00 0.00 0.00 0.00 48.50 142.50 716.50
1994 110.50 159.50 66.00 67.00 39.50 0.00 0.00 0.00 0.00 0.00 162.50 168.50 773.50
1995 217.50 66.00 94.50 62.00 58.00 15.50 0.00 0.00 0.00 1.50 10.00 138.00 663.00
1996 153.00 131.00 89.00 19.50 4.50 1.00 0.00 0.00 0.00 35.50 80.00 166.50 680.00
1997 204.00 127.00 66.50 54.00 0.00 0.00 0.00 0.00 0.00 0.00 76.00 200.50 728.00
1998 193.50 224.00 124.00 133.50 38.50 4.50 0.00 0.00 0.00 2.50 86.00 206.50 1013.00
1999 143.50 152.00 252.50 217.00 72.00 33.00 0.00 0.00 2.00 1.50 103.50 215.50 1192.50
2000 205.00 218.50 173.50 65.50 10.50 0.50 0.00 0.00 0.00 39.00 184.50 194.50 1091.50
2001 329.50 300.50 151.50 170.00 7.00 0.00 0.00 0.00 0.00 5.00 102.50 269.50 1335.50
2002 257.00 143.00 162.50 116.00 55.50 1.00 0.00 0.00 0.50 53.00 56.00 262.00 1106.50
2003 92.00 173.50 123.00 142.00 62.00 6.50 0.00 0.00 0.00 8.00 163.00 264.00 1034.00
2004 243.50 254.00 60.00 51.00 1.00 0.00 0.00 0.00 0.00 48.50 177.00 241.00 1076.00
2005 220.00 173.50 138.50 83.00 15.50 0.00 0.00 0.00 0.00 33.50 74.50 190.00 928.50
2006 225.50 165.00 301.50 131.00 11.00 0.00 0.00 0.00 0.00 1.00 43.50 168.00 1046.50
2007 241.00 125.50 93.00 87.50 36.50 7.00 0.00 0.00 2.00 13.00 100.00 282.50 988.00
2008 298.50 221.50 114.00 102.50 61.50 0.50 0.00 0.00 0.00 7.00 28.50 245.00 1079.00
2009 123.00 199.00 144.00 106.50 4.50 0.00 0.00 0.00 0.00 14.00 57.50 237.00 885.50
2010 159.00 156.00 104.50 105.50 29.00 0.00 0.00 0.00 0.00 10.00 170.00 221.50 955.50
2011 186.50 265.00 179.50 78.50 54.00 10.50 0.00 0.00 0.00 26.00 158.50 319.50 1278.00
2012 193.50 216.50 217.00 93.50 29.50 0.00 0.00 0.00 0.00 1.60 b 77.00 246.97 a 1075.57
2013 255.50 209.00 102.50 5.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 15.50 z 567.00
Period of Record Statistics
MEAN 247.50 198.03 175.60 118.73 62.46 14.49 0.32 0.21 1.95 26.52 104.29 221.91 1166.61
S.D. 89.34 75.10 71.66 59.98 44.84 16.96 1.12 0.94 4.65 28.44 52.43 73.14 308.85
SKEW 0.86 0.08 0.18 0.42 0.74 1.32 4.47 5.24 3.93 2.12 0.33 0.05 0.18
MAX 562.50 366.50 332.00 269.00 200.50 67.50 8.00 6.50 32.00 182.00 228.00 384.00 1917.50
MIN 45.50 62.50 33.00 1.50 0.00 0.00 0.00 0.00 0.00 0.00 10.00 78.00 500.50
NO YRS 106 106 105 106 105 105 106 107 105 106 106 106 103