LEVELLAND, TEXAS

Monthly Total Cooling Degree Days

(415183)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1926 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
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 0.00 z 0.00
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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 27.00 0.50 0.00 27.50
1938 0.00 0.00 z 0.00 34.00 164.50 322.00 377.00 402.00 203.50 34.00 0.00 0.00 1537.00
1939 0.00 0.00 0.00 22.50 130.00 361.50 391.50 310.00 187.00 18.00 0.00 0.00 z 1420.50
1940 0.00 z 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
1941 0.00 z 0.00 z 0.00 10.50 112.50 201.21 a 343.50 358.00 166.55 a 51.50 0.00 a 0.00 a 1243.76
1942 0.00 0.00 0.00 17.00 116.00 286.50 342.00 288.50 107.00 5.00 30.50 0.00 1192.50
1943 0.00 0.00 0.00 11.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.50
1944 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
1945 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
1946 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 93.50 0.00 0.00 93.50
1947 0.00 a 0.00 0.00 9.00 81.50 317.50 405.00 0.00 z 0.00 z 51.50 0.00 0.00 864.50
1948 0.00 0.00 0.00 74.00 183.00 405.50 431.00 413.50 218.50 37.00 0.00 0.00 1762.50
1949 0.00 0.00 0.00 9.00 g 132.00 325.50 434.00 343.50 171.00 42.50 3.00 0.00 d 1451.50
1950 0.00 0.00 0.00 26.00 128.00 393.00 376.00 423.00 144.00 39.00 0.00 0.00 1529.00
1951 0.00 0.50 0.00 28.00 209.00 479.00 536.50 474.00 227.50 88.00 0.00 0.00 2042.50
1952 0.00 0.00 a 0.00 5.00 162.50 457.00 426.00 536.76 d 184.00 10.00 2.50 0.00 1783.76
1953 0.00 a 0.00 4.00 9.44 c 193.50 f 573.00 489.50 425.50 212.50 48.50 0.00 0.00 1762.44
1954 0.00 0.00 2.50 64.00 80.00 366.50 543.00 470.50 358.00 109.69 e 0.00 e 0.00 p 1994.19
1955 0.00 0.00 e 0.50 q 0.00 z 119.00 i 335.50 355.00 390.50 181.55 a 18.00 0.00 c 0.00 1280.55
1956 0.00 f 0.00 7.50 33.50 273.00 463.50 459.00 361.00 236.50 h 88.83 e 0.00 h 0.00 e 1686.33
1957 0.00 0.00 a 1.00 11.50 68.50 372.12 d 481.50 433.00 146.00 37.50 0.00 b 0.00 1551.12
1958 0.00 0.00 0.00 8.00 171.00 429.00 507.00 449.50 181.50 59.79 c 0.00 c 0.00 g 1805.79
1959 0.00 0.00 e 0.00 g 83.33 c 195.50 218.00 k 416.36 b 446.00 258.00 6.00 0.00 h 0.00 e 1405.20
1960 0.00 0.00 d 2.00 j 70.71 b 190.00 456.50 400.50 325.50 h 221.50 45.93 d 0.00 l 0.00 1385.14
1961 0.00 0.00 0.00 c 72.78 c 221.50 347.88 d 340.00 331.00 181.50 43.50 0.00 l 0.00 d 1538.16
1962 0.00 0.00 f 9.00 50.19 d 291.00 265.20 e 426.00 0.00 z 0.00 z 99.50 0.00 d 0.00 g 1140.89
1963 0.00 0.00 8.00 0.00 z 236.00 321.00 452.00 395.00 210.00 23.50 0.00 0.00 1645.50
1964 0.00 0.00 d 0.00 22.00 172.00 f 329.46 b 458.36 c 411.00 172.00 19.50 1.03 a 0.00 1413.36
1965 0.00 c 0.00 0.00 43.50 153.00 322.50 418.50 343.50 183.50 24.50 0.00 0.00 1489.00
1966 0.00 0.00 1.50 7.00 132.50 310.50 482.50 299.00 133.50 6.50 0.00 a 0.00 c 1373.00
1967 0.00 0.00 7.00 45.00 102.50 304.50 344.00 289.00 113.00 43.00 0.00 a 0.00 1248.00
1968 0.00 0.00 4.50 7.78 c 104.76 b 321.72 a 323.50 304.00 98.00 60.45 a 0.00 0.00 a 1224.71
1969 0.00 0.00 a 0.00 16.50 127.00 311.50 492.00 437.00 125.50 47.00 0.00 0.00 1556.50
1970 0.00 0.00 0.00 3.00 148.00 293.00 425.50 385.00 204.50 20.50 0.00 0.00 1479.50
1971 0.00 0.00 9.00 21.50 101.27 a 369.50 388.50 190.50 194.50 14.00 0.00 0.00 1288.77
1972 0.00 0.00 0.50 74.00 99.00 294.00 301.00 265.00 175.00 39.00 0.00 0.00 1247.50
1973 0.00 0.00 0.00 2.50 103.50 256.00 361.50 315.50 156.50 46.50 0.00 0.00 1242.00
1974 0.00 0.00 9.50 57.00 222.00 311.00 394.00 244.00 50.00 13.00 0.00 0.00 1300.50
1975 0.00 0.00 0.00 22.50 74.00 337.00 263.50 268.00 108.50 22.50 1.50 0.00 1097.50
1976 0.00 0.00 0.50 32.00 71.00 293.50 269.50 333.00 134.00 0.00 0.00 0.00 1133.50
1977 0.00 0.00 0.00 7.00 156.00 370.00 423.00 394.00 283.50 18.50 0.00 0.00 1652.00
1978 0.00 0.00 1.50 60.00 173.50 349.00 465.00 343.58 a 189.00 24.50 0.00 0.00 1606.08
1979 0.00 0.50 0.00 19.50 97.50 246.00 392.50 254.50 175.00 66.00 0.00 0.00 1251.50
1980 0.00 0.00 0.00 8.50 98.00 462.00 481.00 398.00 219.50 27.00 0.50 0.00 1694.50
1981 0.00 0.00 0.50 54.50 104.50 379.00 408.50 261.50 131.50 27.50 0.00 0.00 1367.50
1982 0.00 0.00 1.00 14.50 99.00 251.00 418.00 0.00 z 218.50 35.50 0.00 0.00 1037.50
1983 0.00 0.00 0.00 10.50 78.00 264.00 415.00 391.00 246.50 47.00 2.00 0.00 1454.00
1984 0.00 0.00 0.00 7.50 142.50 305.00 354.50 310.00 132.00 2.50 0.00 0.00 1254.00
1985 0.00 0.00 6.50 41.00 141.00 254.00 381.50 443.00 212.00 9.00 0.00 0.00 1488.00
1986 0.00 1.00 0.00 56.00 123.50 264.00 422.50 342.50 154.50 21.50 0.00 0.00 1385.50
1987 0.00 0.00 0.00 23.00 99.00 287.50 400.50 363.50 114.00 13.50 2.50 0.00 1303.50
1988 0.00 0.00 3.00 2.50 103.00 299.50 372.00 396.00 142.00 18.50 2.00 0.00 1338.50
1989 0.00 0.00 10.00 80.00 218.50 252.50 419.00 332.50 128.50 36.00 0.00 0.00 1477.00
1990 0.00 0.00 2.50 18.50 161.50 530.00 352.00 323.50 231.50 20.50 2.00 0.00 1642.00
1991 0.00 0.00 0.50 15.00 262.00 355.50 358.50 359.50 133.50 37.00 0.00 0.00 1521.50
1992 0.00 0.00 0.00 31.50 89.50 266.00 429.00 308.50 190.50 19.50 0.00 0.00 1334.50
1993 0.00 0.00 0.00 16.50 141.50 378.00 484.00 420.50 161.50 27.50 0.00 0.00 1629.50
1994 0.00 0.00 9.00 28.50 156.00 486.50 489.00 396.00 215.50 58.00 2.50 0.00 1841.00
1995 0.00 0.00 6.00 26.00 120.50 329.00 510.50 412.00 198.00 11.50 0.00 0.00 1613.50
1996 0.00 3.50 0.00 31.50 324.50 393.50 433.00 365.00 171.50 52.00 2.00 0.00 1776.50
1997 0.00 0.00 2.00 7.50 107.00 262.50 454.00 382.00 285.50 80.50 0.00 0.00 1581.00
1998 0.00 0.00 4.00 11.50 262.50 477.00 577.00 377.50 332.50 81.00 0.00 0.00 2123.00
1999 0.00 0.00 0.00 25.00 112.00 278.50 431.50 486.50 178.00 15.50 0.00 0.00 1527.00
2000 0.00 0.00 0.50 48.50 272.50 291.00 478.50 441.00 300.50 79.00 0.00 0.00 1911.50
2001 0.00 0.00 0.00 35.50 187.00 418.00 559.50 405.50 185.00 19.00 3.00 0.00 1812.50
2002 0.00 0.00 2.00 53.00 168.00 385.00 394.50 440.00 190.50 36.00 0.00 0.00 1669.00
2003 0.00 0.00 0.00 46.00 177.50 276.00 465.00 430.50 128.50 44.00 5.00 0.00 1572.50
2004 0.00 0.00 14.50 14.00 0.00 z 323.00 376.00 290.50 139.00 16.50 0.00 0.00 1173.50
2005 0.00 0.00 0.00 12.00 166.50 385.50 388.00 322.50 261.00 47.50 3.00 0.00 1586.00
2006 0.00 0.00 9.50 70.50 261.50 428.50 467.50 392.50 101.50 41.50 3.00 0.00 1776.00
2007 0.00 0.00 4.50 2.00 79.00 262.00 361.00 415.50 228.00 89.00 0.00 0.00 1441.00
2008 0.00 0.00 3.00 21.00 164.50 437.50 374.50 332.50 92.50 30.50 0.50 0.00 1456.50
2009 0.00 0.50 2.00 47.50 156.50 383.50 425.50 420.00 138.50 33.50 0.00 0.00 1607.50
2010 0.00 0.00 0.00 24.50 150.00 446.00 337.50 419.50 257.50 14.00 0.00 0.00 1649.00
2011 0.00 0.00 10.00 50.50 169.00 530.00 563.50 569.50 188.50 35.00 0.00 0.00 2116.00
2012 0.00 0.00 17.00 75.00 236.50 439.00 456.00 433.50 205.50 37.00 h 0.00 z 0.00 z 1862.50
Period of Record Statistics
MEAN 0.00 0.09 2.56 30.75 153.69 351.86 419.62 374.39 183.12 37.60 1.00 0.00 1529.43
S.D. 0.00 0.45 3.95 22.97 60.56 79.88 65.88 70.54 57.69 25.28 3.82 0.00 242.04
SKEW 0.00 6.83 1.67 0.72 0.81 0.64 0.15 0.00 0.57 0.96 7.05 0.00 0.49
MAX 0.00 3.50 17.00 83.33 324.50 573.00 577.00 569.50 358.00 109.69 30.50 0.00 2123.00
MIN 0.00 0.00 0.00 2.00 68.50 201.21 263.50 190.50 50.00 0.00 0.00 0.00 1097.50
NO YRS 69 69 68 68 66 69 70 66 67 71 67 67 51