EL CAJON YALE RANCH, CALIFORNIA

Monthly Total Heating Degree Days

(042705)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195910
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
1899 0.00 z 348.50 307.00 160.50 176.00 33.00 2.50 0.00 2.50 108.00 168.50 334.00 1640.50
1900 280.50 252.00 167.00 255.50 75.00 13.50 0.00 4.50 33.50 63.50 85.50 285.50 1516.00
1901 383.50 51.00 q 0.00 z 0.00 z 63.50 m 0.00 z 0.00 z 0.00 k 11.00 52.00 144.00 283.00 873.50
1902 372.50 344.50 401.97 a 218.00 117.00 23.00 13.50 0.00 1.00 72.50 266.00 359.00 2188.97
1903 362.50 427.50 292.50 205.50 57.00 9.00 0.00 0.00 0.00 35.50 131.50 339.00 1860.00
1904 370.50 298.50 249.50 0.00 z 56.00 0.00 2.07 a 0.00 0.00 4.50 7.00 316.00 1304.07
1905 295.50 220.00 193.00 176.00 127.50 14.00 1.50 0.00 4.50 58.00 199.00 380.00 1669.00
1906 380.00 226.50 0.00 z 178.50 92.50 14.00 0.00 0.00 2.00 34.00 226.50 309.50 1463.50
1907 418.00 170.00 275.00 137.00 66.00 15.50 0.00 0.00 5.00 16.50 169.50 287.50 1560.00
1908 232.50 h 350.50 247.50 111.50 162.50 36.50 0.00 0.00 9.00 133.00 192.50 413.00 1656.00
1909 360.00 339.00 346.50 155.00 94.50 11.00 0.50 0.00 6.00 75.50 262.50 429.50 2080.00
1910 461.50 381.50 226.00 117.50 37.50 21.00 3.00 0.00 0.00 60.50 186.00 316.50 1811.00
1911 0.00 z 0.00 z 0.00 z 220.00 86.50 n 8.50 g 0.00 u 0.00 l 0.50 r 69.50 g 175.00 c 303.00 h 395.00
1912 131.00 p 165.00 m 351.69 b 226.50 f 58.50 n 7.24 a 4.00 0.00 7.50 b 106.50 63.50 p 297.00 i 476.93
1913 483.00 335.00 346.50 187.00 116.00 32.07 a 0.00 0.00 4.50 32.50 206.50 395.50 2138.57
1914 348.50 268.50 163.50 149.50 131.00 20.50 0.00 0.00 9.00 50.00 95.50 430.50 1666.50
1915 407.00 335.00 229.50 185.50 136.50 5.50 0.00 0.00 34.50 49.00 206.50 374.50 1963.50
1916 456.50 202.00 163.00 128.00 74.00 17.00 1.00 1.50 4.00 148.00 259.00 446.50 1900.50
1917 474.50 305.50 357.00 218.00 178.00 8.50 0.00 0.00 0.00 15.00 127.50 209.00 1893.00
1918 383.50 283.00 233.50 145.00 99.00 0.00 0.00 0.00 0.00 10.00 210.00 384.50 1748.50
1919 347.50 380.00 344.00 135.50 52.50 4.00 0.00 0.00 2.50 118.50 239.50 321.00 1945.00
1920 350.50 277.50 328.00 236.50 104.50 9.50 0.00 0.00 a 5.00 126.50 236.50 390.00 2064.50
1921 410.00 309.50 231.50 238.00 195.50 29.00 0.00 0.00 0.00 39.00 169.00 227.50 1849.00
1922 479.00 361.00 373.50 286.50 68.50 16.00 0.00 0.00 0.00 53.50 289.50 281.00 2208.50
1923 335.00 335.00 286.50 192.50 28.50 33.50 0.00 0.00 8.00 75.00 138.50 358.50 1791.00
1924 404.00 218.50 334.00 219.00 43.50 0.50 0.00 0.00 0.50 130.50 200.50 410.50 1961.50
1925 414.00 238.50 267.00 208.00 42.00 25.50 0.00 0.00 6.50 98.50 221.00 285.50 1806.50
1926 384.00 216.50 140.00 73.50 45.50 1.00 0.00 0.00 6.50 54.00 72.00 423.50 1416.50
1927 376.00 277.00 321.00 200.50 84.50 15.50 0.00 0.00 3.00 29.00 123.00 395.00 1824.50
1928 330.00 320.00 207.00 188.00 38.00 12.50 0.00 0.00 0.00 68.00 195.00 376.50 1735.00
1929 449.00 412.50 321.50 240.00 31.00 20.00 0.00 g 0.00 6.00 30.50 198.50 228.00 1937.00
1930 386.00 229.50 229.00 103.00 159.00 13.50 0.00 0.00 16.50 58.00 178.50 413.00 1786.00
1931 398.50 307.00 244.50 93.00 18.50 9.50 0.00 0.00 9.00 58.00 309.50 452.50 1900.00
1932 498.00 346.50 286.50 219.00 118.00 58.00 1.50 7.00 25.00 162.00 145.50 465.00 2332.00
1933 507.00 449.50 309.00 255.00 231.50 37.00 0.00 1.00 5.50 55.00 190.00 372.50 2413.00
1934 381.50 245.50 112.50 54.50 40.00 38.00 0.00 0.00 11.00 47.50 206.50 309.50 1446.50
1935 406.50 301.00 380.00 133.50 98.50 8.50 1.50 0.00 0.00 67.50 297.50 342.00 2036.50
1936 335.50 314.50 219.50 140.50 48.00 17.00 0.00 0.00 1.00 57.50 150.00 348.00 1631.50
1937 602.50 367.00 307.00 179.00 89.50 6.00 0.00 0.00 2.50 20.00 163.00 258.00 1994.50
1938 304.50 305.50 296.50 161.50 88.50 13.50 0.00 0.00 0.00 64.50 246.00 243.00 1723.50
1939 388.00 439.50 326.50 95.00 69.00 20.00 0.00 0.00 0.50 33.50 131.00 198.00 1701.00
1940 308.00 273.00 184.50 121.00 17.50 4.00 0.00 0.00 0.50 40.00 205.50 215.00 1369.00
1941 346.50 242.50 209.50 230.17 a 23.77 a 19.50 0.00 0.00 12.50 88.00 182.50 397.00 1751.94
1942 347.72 a 400.00 347.00 218.00 103.16 b 4.66 a 0.00 0.50 0.50 56.00 210.00 332.00 2019.53
1943 364.00 267.50 240.00 150.50 38.75 a 37.00 0.00 a 0.00 0.52 a 64.07 a 157.50 370.00 1689.83
1944 401.50 406.00 312.00 254.50 76.00 49.50 0.00 0.00 5.50 30.00 251.00 340.50 2126.50
1945 450.53 a 353.11 a 418.50 265.00 127.58 e 32.68 b 0.00 c 0.00 0.00 19.50 211.50 334.50 2212.90
1946 377.00 394.00 328.00 117.00 74.00 0.00 a 0.00 0.00 0.00 a 113.50 289.00 359.00 2051.50
1947 425.50 238.00 230.50 138.62 a 53.00 5.50 0.00 0.00 0.50 37.50 282.00 403.50 1814.62
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 0.00 8.00 67.50 172.00 f 479.00 554.50
1949 667.50 470.00 403.00 164.00 119.87 a 7.50 0.00 4.50 5.00 122.28 d 100.50 423.00 2487.14
1950 516.00 348.00 321.00 173.00 177.00 51.00 3.00 1.00 6.00 36.50 146.50 185.00 1964.00
1951 378.50 347.00 266.50 150.50 117.00 22.50 0.50 2.00 2.50 52.00 207.50 414.00 1960.50
1952 532.00 382.50 373.50 144.50 18.50 25.56 c 0.00 a 0.00 2.50 9.00 283.00 419.00 2190.06
1953 279.50 256.50 298.50 172.00 86.50 19.50 0.00 0.00 0.50 31.00 117.00 265.50 1526.50
1954 305.50 83.50 0.00 z 0.00 z 6.00 x 22.24 a 0.00 a 0.00 a 2.00 69.00 154.00 399.00 1035.24
1955 487.00 389.00 274.00 244.00 132.00 13.50 0.00 0.00 2.50 62.00 255.50 331.00 2190.50
1956 242.50 k 465.00 298.00 220.00 54.50 1.07 b 0.00 0.00 0.00 69.50 188.50 333.50 1630.07
1957 426.00 242.00 296.00 177.00 114.18 a 7.50 0.00 0.00 0.00 a 96.50 310.50 316.00 1985.68
1958 383.00 257.00 379.50 174.00 34.50 1.00 0.00 0.00 0.00 22.50 221.00 274.00 1746.50
1959 303.00 361.00 140.00 52.00 64.50 0.00 0.00 0.00 1.00 22.00 h 0.00 z 0.00 z 921.50
Period of Record Statistics
MEAN 400.42 314.29 280.99 174.39 87.91 17.13 0.60 0.37 4.88 61.99 192.97 344.52 1890.79
S.D. 76.59 77.75 72.96 54.33 49.62 13.73 1.94 1.24 7.19 36.55 62.88 71.52 252.74
SKEW 1.08 -0.22 -0.30 -0.17 0.72 0.94 5.38 3.93 2.65 0.80 -0.28 -0.36 0.12
MAX 667.50 470.00 418.50 286.50 231.50 58.00 13.50 7.00 34.50 162.00 310.50 479.00 2487.14
MIN 279.50 83.50 112.50 52.00 17.50 0.00 0.00 0.00 0.00 4.50 7.00 185.00 1369.00
NO YRS 55 57 56 56 56 58 58 59 60 59 58 58 49