PLAINS, TEXAS

Monthly Total Cooling Degree Days

(417074)

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
1925 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
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 0.00 z 0.00 z 0.00 z 0.00
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
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 0.00 z 0.00 z 0.00 0.00
1947 0.00 z 0.00 0.00 20.69 a 0.00 z 391.55 a 265.00 m 386.00 242.00 61.00 h 0.00 z 0.00 m 1040.24
1948 0.00 0.00 0.00 79.50 186.00 a 423.50 460.19 b 414.88 a 204.00 e 11.88 a 0.00 a 0.00 1779.96
1949 0.00 0.00 g 0.00 8.00 107.00 273.50 405.77 c 324.00 139.00 15.00 0.00 0.00 a 1272.27
1950 0.00 e 0.00 c 0.00 h 25.50 122.50 334.50 308.93 b 294.00 113.00 31.50 1.00 f 0.00 a 1229.93
1951 0.00 e 0.00 b 0.00 d 20.50 138.50 328.50 497.00 423.67 a 214.00 52.50 0.00 a 0.00 f 1674.67
1952 0.00 t 0.00 z 0.00 z 5.00 f 132.30 c 319.50 i 359.71 b 475.00 128.50 4.00 0.00 i 0.00 1099.51
1953 0.00 d 0.00 6.95 b 23.79 a 197.62 c 498.50 477.92 a 427.91 c 111.00 o 30.50 h 0.00 i 0.00 1632.69
1954 0.00 0.00 a 5.17 a 83.89 c 53.50 k 320.77 d 473.00 411.50 240.50 86.50 0.00 0.00 1621.32
1955 0.00 a 0.00 0.00 d 45.00 d 121.42 a 340.38 d 277.50 l 400.33 b 173.50 h 34.21 b 0.00 d 0.00 b 941.34
1956 0.00 0.00 c 0.00 a 26.25 b 200.43 b 431.38 a 457.50 389.57 a 270.54 b 71.50 0.00 0.00 1847.16
1957 0.00 0.54 b 0.00 c 19.50 56.04 e 304.00 466.00 391.50 143.00 39.00 2.00 0.00 f 1421.58
1958 0.00 0.00 0.00 b 0.00 j 137.50 411.50 490.83 a 420.50 224.50 13.00 0.00 0.00 1697.83
1959 0.00 a 0.00 0.00 d 51.50 160.34 b 348.00 360.63 a 423.50 289.20 e 12.63 d 0.00 a 0.00 1645.81
1960 0.00 c 0.00 a 0.00 21.00 g 168.00 414.00 341.55 c 379.50 228.00 32.00 0.00 a 0.00 1563.05
1961 0.00 0.00 0.00 41.90 a 170.50 a 349.62 d 328.17 b 343.50 162.41 a 47.50 0.00 i 0.00 k 1443.60
1962 0.00 0.00 0.00 b 27.93 a 281.58 a 299.50 414.50 411.04 d 190.00 50.50 0.00 0.00 f 1675.05
1963 0.00 p 5.92 b 0.00 k 57.00 199.29 c 326.67 c 452.60 a 420.50 234.50 37.64 c 0.00 e 0.00 1734.12
1964 0.00 a 0.00 p 0.00 z 0.00 z 0.00 z 247.50 j 501.50 442.50 190.00 25.00 0.00 0.00 1159.00
1965 0.00 0.00 0.00 47.50 170.50 360.00 447.50 339.93 b 207.50 31.50 0.50 0.00 1604.93
1966 0.00 a 0.00 z 0.00 m 6.50 78.05 c 294.31 a 497.00 315.50 171.00 9.50 0.00 b 0.00 c 1371.86
1967 0.00 0.00 6.50 31.03 a 50.00 i 304.50 317.50 259.50 78.21 b 27.00 0.00 c 0.00 1024.25
1968 0.00 0.00 3.50 5.00 74.50 258.00 273.50 288.50 87.50 49.50 0.00 0.00 1040.00
1969 0.00 0.00 0.00 b 9.83 a 113.87 e 163.50 l 458.69 d 416.43 a 142.50 42.00 0.00 b 0.00 1183.31
1970 0.00 c 0.00 0.00 6.50 133.50 283.50 429.50 405.50 237.50 8.00 0.00 0.00 1504.00
1971 0.00 0.00 d 8.50 18.50 100.00 364.00 408.50 203.50 198.50 17.00 0.00 0.00 1318.50
1972 0.00 0.00 2.00 73.50 88.50 296.00 329.00 274.00 184.50 41.00 0.00 0.00 a 1288.50
1973 0.00 0.00 0.00 a 1.55 a 93.00 243.50 342.50 333.00 169.50 44.00 0.00 0.00 1227.05
1974 0.00 a 0.00 a 0.00 33.62 a 207.50 290.69 a 390.71 b 183.70 d 38.00 8.30 c 0.00 0.00 1152.52
1975 0.00 0.00 0.00 12.00 48.00 297.00 250.50 286.00 101.79 b 24.00 0.00 0.00 1019.29
1976 0.00 0.50 0.00 27.50 71.00 298.50 238.50 336.00 144.00 0.00 k 0.00 0.00 a 1116.00
1977 0.00 0.00 0.00 7.50 169.90 e 351.00 410.00 422.00 294.00 28.00 0.00 a 0.00 1682.40
1978 0.00 0.00 a 1.60 b 52.00 159.00 343.50 463.50 383.00 159.00 e 26.00 0.00 s 0.00 p 1587.60
1979 0.00 0.00 a 0.00 31.03 a 90.00 221.50 407.00 276.00 180.50 58.50 f 0.00 0.00 a 1206.03
1980 0.00 a 0.00 a 0.00 4.66 a 0.00 z 0.00 z 509.50 422.50 240.00 a 32.00 0.00 0.00 1208.66
1981 0.00 z 0.00 o 0.00 n 45.50 102.41 c 331.55 a 415.00 268.50 0.00 z 53.00 f 0.00 e 0.00 1162.96
1982 0.00 i 0.00 0.00 0.00 z 63.50 233.00 266.00 395.50 286.50 33.00 0.00 a 0.00 i 1277.50
1983 0.00 0.00 0.00 5.00 12.50 180.00 401.50 451.00 304.04 d 55.00 0.00 0.00 1409.04
1984 0.00 0.00 0.00 z 0.00 161.00 264.50 305.00 298.00 129.50 0.50 0.00 0.00 1158.50
1985 0.00 z 0.00 2.67 b 29.00 111.50 172.50 345.50 394.00 206.38 a 0.00 0.00 0.00 1261.55
1986 0.00 z 0.00 z 0.00 24.50 k 105.50 141.50 383.50 342.50 146.50 11.62 c 0.00 0.00 1131.12
1987 0.00 0.00 z 0.00 h 0.00 z 55.00 242.00 370.45 a 322.50 112.50 13.50 0.50 0.00 a 1116.45
1988 0.00 a 0.00 0.00 0.00 83.18 a 281.50 304.00 318.50 138.00 10.69 b 0.00 z 0.00 1135.87
1989 0.00 a 0.00 a 4.50 69.50 194.78 a 216.00 380.50 304.00 131.50 34.50 0.00 0.00 1335.28
1990 0.00 0.00 2.50 16.50 124.00 510.00 299.50 301.00 195.00 10.00 1.50 0.00 1460.00
1991 0.00 0.00 2.50 4.50 207.00 338.50 307.00 269.50 1.50 u 42.50 0.00 0.00 1171.50
1992 0.00 0.00 0.00 20.50 87.00 280.50 391.50 280.00 189.50 22.50 0.00 0.00 1271.50
1993 0.00 0.00 0.00 10.00 116.00 344.50 484.00 403.00 157.50 33.50 0.00 0.00 1548.50
1994 0.00 0.00 4.50 20.50 143.00 478.00 505.50 465.50 210.50 44.50 0.50 0.00 1872.50
1995 0.00 0.00 4.50 13.00 127.50 308.00 468.00 413.00 190.50 10.00 0.00 0.00 1534.50
1996 0.00 6.00 0.00 30.00 314.50 391.00 445.50 345.00 154.50 46.50 0.00 0.00 1733.00
1997 0.50 0.00 1.50 8.50 98.00 280.50 443.00 387.00 247.00 115.00 0.00 0.00 1581.00
1998 0.00 z 0.00 1.00 12.00 280.50 472.00 566.00 374.50 344.50 57.50 0.00 p 0.00 z 2108.00
1999 0.00 e 0.00 0.00 22.50 120.50 294.50 443.50 493.50 192.00 21.00 0.00 0.00 1587.50
2000 0.00 0.00 0.00 42.00 289.50 310.50 479.50 0.00 z 297.00 76.00 0.00 0.00 1494.50
2001 0.00 0.00 0.00 31.00 203.00 429.50 568.00 441.00 230.00 27.00 0.50 0.00 1930.00
2002 0.00 0.00 0.00 l 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
2003 0.00 z 0.00 z 0.00 z 36.50 192.50 280.00 464.50 440.50 204.00 51.50 15.00 0.00 1684.50
2004 0.00 0.00 18.00 4.20 e 224.00 353.00 398.00 343.50 160.00 21.59 c 0.00 0.00 1522.29
2005 0.00 0.00 0.00 2.00 151.00 365.00 420.00 335.50 285.00 51.00 0.00 g 0.00 1609.50
2006 0.00 0.00 3.00 50.00 255.00 416.50 465.60 e 285.00 h 96.00 30.00 h 0.00 k 0.00 m 1286.10
2007 0.00 i 0.00 i 7.50 h 0.00 o 36.50 k 150.50 m 172.00 o 333.50 g 121.00 m 47.50 h 0.00 k 0.00 m 0.00
2008 0.00 i 0.00 i 0.00 k 11.50 h 106.00 l 289.50 j 258.50 j 246.00 i 47.00 j 11.50 k 1.50 m 0.00 j 0.00
2009 0.00 k 0.00 j 2.00 g 43.00 151.00 381.50 432.50 439.00 139.00 42.50 0.00 0.00 1628.50
2010 0.00 0.00 0.50 22.00 141.00 464.00 355.50 439.50 256.50 12.00 0.00 0.00 1691.00
2011 0.00 0.00 9.50 48.50 170.50 542.00 579.18 a 617.00 207.50 40.50 0.00 0.00 2214.68
2012 0.00 0.00 14.00 78.50 237.00 450.50 455.00 457.50 231.00 28.00 i 0.00 z 0.00 z 1923.50
Period of Record Statistics
MEAN 0.01 0.24 1.94 27.93 146.52 334.82 411.67 371.55 191.34 32.79 0.39 0.00 1530.80
S.D. 0.07 1.13 3.70 21.95 64.74 84.29 79.03 75.60 62.89 22.09 2.10 0.00 282.00
SKEW 7.14 4.90 2.56 0.86 0.54 0.26 -0.19 0.07 0.08 1.16 6.70 0.00 0.19
MAX 0.50 6.00 18.00 83.89 314.50 542.00 579.18 617.00 344.50 115.00 15.00 0.00 2214.68
MIN 0.00 0.00 0.00 0.00 12.50 141.50 238.50 183.70 38.00 0.00 0.00 0.00 1019.29
NO YRS 54 55 53 56 58 59 61 61 59 56 52 54 26