SAN PEDRO, CALIFORNIA

Monthly Total Heating Degree Days

(047876)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196408
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 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
1907 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 z 0.00 z 0.00
1908 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 z 0.00 z 0.00
1909 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 z 0.00 z 0.00
1910 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 z 0.00 z 0.00
1911 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 z 0.00 z 0.00
1912 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 z 0.00 z 0.00
1913 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 z 0.00 z 0.00
1914 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 z 0.00 z 0.00
1915 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 z 0.00 z 0.00
1916 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 z 0.00 z 0.00
1917 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 z 0.00 z 0.00
1918 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.35 d 20.00 173.50 305.00 504.85
1919 243.00 344.50 314.50 212.00 147.00 62.50 32.00 18.50 44.50 137.00 194.00 203.50 1953.00
1920 253.50 160.50 289.00 195.50 127.50 27.00 17.00 0.50 5.00 84.00 185.00 298.00 1642.50
1921 375.50 282.00 237.00 274.50 212.00 80.00 4.00 4.50 20.50 7.00 8.50 20.00 1525.50
1922 0.00 z 0.00 z 0.00 z 281.50 174.50 49.00 0.50 0.00 0.50 71.00 185.50 234.50 997.00
1923 274.50 305.50 215.50 205.50 104.50 95.00 12.50 1.00 13.50 59.00 66.00 231.50 1584.00
1924 273.50 171.00 281.00 173.00 89.00 34.50 10.50 14.50 45.00 162.00 173.50 314.00 1741.50
1925 314.00 261.50 256.50 228.50 115.00 51.50 2.00 3.50 8.50 74.00 131.50 129.00 1575.50
1926 221.00 175.50 96.50 88.00 72.00 15.00 6.00 0.00 15.50 55.50 84.50 305.00 1134.50
1927 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 z 301.50 301.50
1928 216.00 207.66 a 230.50 222.50 96.50 51.50 18.00 4.50 32.00 144.50 154.00 274.50 1652.16
1929 345.00 334.50 319.00 281.50 107.50 62.50 0.00 0.00 a 8.50 22.00 121.50 163.50 1765.50
1930 316.50 196.50 202.00 106.50 173.00 22.50 3.00 0.00 s 15.50 58.00 132.00 258.50 1484.00
1931 268.00 198.00 131.50 64.50 11.50 7.50 0.00 0.00 4.50 55.00 246.00 369.50 1356.00
1932 418.50 322.00 195.50 180.00 101.00 45.50 5.50 14.00 15.00 63.00 88.50 394.00 1842.50
1933 415.00 352.00 296.50 250.00 247.00 75.50 21.00 19.50 96.50 103.50 147.50 339.50 2363.50
1934 271.00 224.50 134.00 120.00 42.50 38.00 0.50 1.00 17.00 82.00 179.50 241.50 1351.50
1935 368.50 234.00 381.00 205.50 153.00 63.50 20.00 3.50 18.00 92.00 237.00 293.00 2069.00
1936 278.50 302.00 272.50 218.50 66.00 34.50 0.00 0.00 a 0.50 53.00 90.50 266.00 1582.00
1937 575.00 348.50 282.00 182.50 76.00 43.00 7.00 0.00 2.00 51.50 216.00 210.00 1993.50
1938 223.00 268.00 259.00 173.00 149.00 43.50 22.50 1.00 1.00 99.50 223.50 236.50 1699.50
1939 340.00 411.00 355.47 a 171.50 154.50 51.50 1.50 0.00 6.50 49.00 80.50 200.00 1821.47
1940 248.50 230.50 190.50 170.50 63.50 50.89 b 24.69 d 1.50 5.00 61.00 166.50 203.00 1416.08
1941 283.50 195.50 172.00 190.00 36.50 27.50 11.50 6.00 20.50 76.00 118.50 267.00 1404.50
1942 288.50 364.50 274.00 212.00 177.00 44.50 6.50 2.00 7.76 a 29.00 135.00 243.00 1783.76
1943 264.50 176.50 189.00 154.50 59.23 c 21.50 2.00 0.00 j 5.17 a 63.50 99.31 a 186.00 1221.21
1944 246.50 302.00 175.67 a 0.00 z 76.00 35.89 b 5.50 10.00 18.00 71.50 134.00 182.50 1257.56
1945 286.00 229.00 283.00 211.00 127.50 39.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1176.00
1946 331.00 351.00 266.00 169.00 138.50 20.00 1.00 1.07 b 0.00 87.50 207.00 295.00 1867.07
1947 356.00 205.50 180.00 125.50 66.50 6.00 1.00 1.50 1.00 41.50 238.50 290.00 1513.00
1948 296.50 328.00 333.50 190.50 128.50 49.50 7.00 7.00 22.00 76.00 166.50 363.50 1968.50
1949 529.00 368.00 336.00 154.00 100.00 10.00 3.00 2.00 10.00 93.00 99.00 319.00 2023.00
1950 470.50 315.50 272.00 156.00 192.20 a 70.50 1.00 14.50 8.50 52.00 139.50 179.05 b 1871.25
1951 323.50 310.50 221.00 194.50 178.00 52.00 7.00 7.00 20.50 35.00 161.50 351.00 1861.50
1952 403.00 198.50 j 352.50 176.00 98.50 90.50 55.50 8.00 10.50 81.00 216.00 e 305.00 1796.50
1953 179.50 206.00 276.50 264.50 147.00 58.00 1.00 1.00 32.00 65.50 128.00 239.50 1598.50
1954 342.50 136.00 293.00 193.00 115.00 30.50 1.00 0.00 8.50 100.00 89.50 256.00 1565.00
1955 383.00 291.41 a 218.50 210.00 150.00 62.00 7.00 2.50 22.00 111.00 184.00 302.00 1943.41
1956 323.50 382.50 231.50 229.00 104.00 31.00 9.50 0.00 b 0.00 84.50 64.00 177.50 1637.00
1957 334.00 196.00 207.50 193.97 a 98.00 3.00 1.50 0.00 0.50 45.00 178.50 181.50 1439.47
1958 230.50 183.00 273.50 114.31 a 50.00 6.00 21.00 0.50 0.00 3.00 119.50 155.00 1156.31
1959 203.00 272.22 a 111.50 77.50 66.00 1.50 0.00 0.00 0.00 h 12.52 e 48.50 186.50 979.24
1960 259.50 h 277.50 202.05 c 130.86 a 43.00 17.50 13.00 0.00 0.00 54.00 178.50 245.50 1161.92
1961 149.00 170.24 c 234.50 151.50 133.50 52.00 0.00 5.50 42.00 83.50 198.00 333.50 1553.24
1962 287.50 315.50 341.00 141.50 141.00 111.00 27.00 1.50 20.50 67.00 172.00 257.00 1882.50
1963 313.50 139.00 270.50 239.00 82.00 29.00 3.00 0.00 0.00 13.00 123.50 205.00 1417.50
1964 280.50 194.00 268.00 203.00 198.50 95.50 9.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 1248.50
Period of Record Statistics
MEAN 310.31 261.37 248.23 183.78 115.31 43.75 9.14 3.75 14.67 67.01 147.36 251.37 1682.07
S.D. 85.63 74.19 66.53 51.68 51.50 26.23 11.10 5.34 17.66 34.66 54.89 72.08 264.80
SKEW 0.98 0.10 -0.26 -0.23 0.30 0.48 2.04 1.64 2.61 0.45 -0.27 -0.52 0.11
MAX 575.00 411.00 381.00 281.50 247.00 111.00 55.50 19.50 96.50 162.00 246.00 394.00 2363.50
MIN 149.00 136.00 96.50 64.50 11.50 1.50 0.00 0.00 0.00 3.00 8.50 20.00 1134.50
NO YRS 43 43 44 44 45 45 44 42 43 44 44 45 36