TAHLEQUAH, OKLAHOMA

Monthly Total Cooling Degree Days

(348677)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 200810
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
1900 0.00 0.00 0.00 47.50 108.00 343.50 392.00 481.50 373.00 115.50 1.00 0.00 1862.00
1901 0.00 0.00 2.50 41.00 119.00 384.50 630.50 486.00 296.50 60.00 0.56 c 0.00 2020.56
1902 0.00 0.00 2.00 64.00 229.50 380.00 434.00 506.50 113.50 28.50 19.50 0.00 1777.50
1903 0.00 0.00 9.00 54.50 145.38 b 74.50 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 208.88
1904 0.00 o 0.00 z 19.67 e 13.50 50.50 0.00 z 527.50 657.00 0.00 z 0.00 z 0.00 z 0.00 z 1268.17
1905 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
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 50.50 v 329.50 536.00 575.50 230.00 59.00 6.21 a 0.00 1736.21
1914 3.50 0.00 7.23 a 42.93 a 112.00 442.00 554.90 a 446.40 a 305.00 59.42 a 0.00 0.00 1973.38
1915 0.00 0.00 a 0.00 76.50 111.08 a 268.00 267.50 230.43 a 268.45 a 3.88 c 3.33 c 0.00 1229.17
1916 0.00 0.00 g 14.47 a 12.50 f 117.50 o 311.50 559.03 a 543.50 257.31 d 60.89 c 0.00 z 0.00 z 1746.70
1917 0.00 z 0.00 z 0.00 z 26.00 57.50 266.50 446.00 272.50 j 62.00 m 38.20 c 0.00 d 0.00 834.20
1918 0.00 a 2.00 23.50 24.50 202.07 d 443.00 430.00 579.18 a 96.00 114.91 b 2.00 0.00 1917.17
1919 0.00 0.00 0.50 47.00 92.00 269.46 b 450.69 e 368.50 193.45 a 42.00 0.00 c 0.00 a 1463.60
1920 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
1921 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
1922 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
1923 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
1924 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
1925 0.00 0.00 24.50 122.50 51.50 m 502.24 a 524.00 453.63 a 378.50 62.53 b 0.00 0.00 2067.91
1926 0.00 a 0.00 0.50 9.00 134.00 281.00 389.00 474.00 328.50 70.00 n 5.50 0.00 y 1621.50
1927 0.00 1.62 b 1.03 a 84.83 a 199.00 270.52 a 405.50 366.00 300.00 47.00 40.71 b 0.00 a 1716.21
1928 0.00 0.00 a 13.43 a 30.00 b 152.33 b 242.00 434.00 479.00 155.50 157.00 5.69 a 0.00 1668.95
1929 0.00 0.00 b 20.50 49.00 89.50 g 298.50 472.50 522.00 228.00 37.00 0.00 4.50 1632.00
1930 0.00 0.00 z 0.00 57.50 77.50 281.25 b 548.00 545.00 353.00 55.50 0.00 a 0.00 c 1917.75
1931 0.00 d 0.00 0.00 9.50 71.00 343.00 510.00 350.00 424.66 a 146.50 13.50 0.00 c 1868.16
1932 0.00 3.00 6.00 38.00 54.00 q 332.00 474.30 a 522.50 247.00 6.00 0.00 0.00 1628.80
1933 0.00 0.00 6.00 19.50 121.00 f 350.00 538.50 392.50 307.50 14.50 3.00 0.00 1631.50
1934 0.00 b 0.00 0.50 30.50 121.00 439.50 f 456.50 n 782.23 a 199.50 o 66.50 5.50 0.00 e 1006.23
1935 0.00 z 0.00 d 0.00 z 0.00 z 58.00 l 238.50 533.20 a 572.00 185.50 40.50 2.00 0.00 1571.70
1936 0.00 6.50 7.00 75.50 185.50 489.00 716.00 741.00 423.50 25.00 4.00 0.00 2673.00
1937 0.00 0.00 0.00 z 45.50 167.00 374.50 496.50 578.67 a 212.50 h 61.00 7.00 0.00 1730.17
1938 0.00 1.62 b 42.50 50.50 133.00 303.00 e 511.50 577.50 314.50 157.00 10.50 0.00 2101.62
1939 0.00 0.00 13.50 37.50 150.50 347.50 534.50 482.50 482.00 146.00 0.00 0.00 2194.00
1940 0.00 0.00 4.50 47.50 94.03 a 293.79 a 430.50 403.00 207.00 45.50 0.00 a 0.00 1525.83
1941 0.00 0.00 0.00 48.00 183.50 0.00 z 0.00 z 480.00 280.86 a 140.00 1.00 0.00 1133.36
1942 0.00 0.00 0.00 47.00 103.50 317.00 402.50 390.50 0.00 z 16.00 26.00 0.00 a 1302.50
1943 0.00 0.00 4.00 77.50 130.50 386.00 557.50 621.50 182.50 14.50 0.00 0.00 1974.00
1944 0.00 0.00 5.00 27.00 170.50 360.50 446.50 468.00 187.00 57.35 a 15.00 0.00 1736.85
1945 0.00 0.00 21.00 39.50 135.50 258.50 363.00 376.00 253.00 15.50 23.00 0.00 1485.00
1946 0.00 0.00 30.00 76.50 60.50 279.50 489.00 492.50 252.50 93.00 3.00 0.50 1777.00
1947 0.00 0.00 a 0.00 31.00 80.00 324.00 388.00 615.00 336.50 112.50 0.00 0.00 1887.00
1948 0.00 a 0.00 f 11.00 113.50 102.00 330.00 406.10 a 338.00 200.50 17.57 a 5.00 1.50 k 1523.67
1949 0.00 z 0.00 i 3.00 46.00 142.50 358.00 450.00 346.00 135.50 82.50 i 8.50 0.00 1489.50
1950 6.50 0.00 6.00 51.72 a 120.50 307.50 328.00 285.00 161.50 72.33 d 7.00 0.00 1346.06
1951 0.00 0.00 a 3.00 47.07 a 116.52 b 268.50 443.09 b 504.50 203.00 64.00 4.50 7.75 a 1661.92
1952 4.13 a 0.00 9.30 a 17.50 96.50 467.50 515.50 515.50 233.50 37.00 10.50 f 0.00 1896.43
1953 0.00 0.00 10.00 21.00 197.00 549.00 462.50 437.00 265.86 a 83.00 0.00 d 0.00 2025.36
1954 0.00 b 2.50 5.00 112.00 91.50 406.50 737.50 656.50 387.00 144.00 0.00 0.00 2542.50
1955 0.00 0.00 15.50 0.00 z 169.00 244.00 565.50 432.00 283.00 58.00 26.00 0.00 c 1793.00
1956 0.00 k 0.00 z 0.00 z 0.00 z 0.00 z 413.79 a 519.00 560.00 311.00 95.50 i 3.50 3.00 1810.29
1957 0.50 3.00 0.00 42.00 125.50 307.50 544.00 455.50 162.00 19.50 0.00 0.00 1659.50
1958 0.00 0.00 0.00 13.00 156.00 329.00 431.42 a 415.00 288.50 44.50 3.10 a 0.00 1680.52
1959 0.00 0.00 7.00 51.00 196.50 293.00 386.98 a 444.00 0.00 z 17.71 c 4.04 d 0.00 b 1400.24
1960 0.00 0.00 a 2.21 c 58.39 b 106.12 e 182.50 l 318.00 h 423.00 273.33 c 60.50 p 16.50 0.00 879.56
1961 0.00 0.00 12.92 a 60.00 a 107.50 255.50 417.50 369.50 226.50 67.50 4.50 0.00 a 1521.42
1962 0.00 5.50 3.00 41.50 282.21 b 299.00 482.05 a 473.50 200.00 110.50 0.00 0.00 1897.26
1963 0.00 0.00 30.00 88.00 210.50 423.21 b 563.34 b 544.50 292.00 160.00 3.00 0.00 2314.56
1964 0.00 0.00 0.50 100.00 181.50 375.50 572.00 499.50 248.50 6.50 21.00 0.00 2005.00
1965 0.00 0.00 0.00 85.50 185.00 306.00 473.00 419.50 268.00 39.00 1.00 0.00 1777.00
1966 0.00 0.00 5.00 20.50 89.50 255.50 534.50 332.50 146.00 44.50 30.00 4.50 1462.50
1967 5.00 0.00 68.50 91.50 96.00 335.50 326.50 365.50 130.00 53.50 0.00 0.00 1472.00
1968 0.00 0.00 3.50 12.00 49.50 257.00 341.50 354.50 86.50 34.00 0.00 0.00 e 1138.50
1969 0.00 m 0.00 0.00 30.00 149.50 287.00 584.00 489.00 292.50 85.00 3.00 0.00 1920.00
1970 0.00 0.00 0.50 56.50 161.50 332.00 442.00 475.13 e 301.50 31.00 b 0.00 0.00 1800.13
1971 0.00 0.00 9.00 26.50 65.50 316.50 353.00 334.50 320.50 82.00 10.50 0.00 1518.00
1972 0.00 3.50 3.00 80.50 105.00 328.00 371.50 463.00 351.50 62.50 0.00 0.00 1768.50
1973 0.00 0.00 0.50 36.50 72.33 d 268.50 473.50 387.00 246.50 120.00 8.50 0.00 1613.33
1974 0.00 0.00 45.50 70.50 249.50 276.00 566.00 447.95 a 67.50 45.50 1.03 a 0.00 a 1769.48
1975 0.00 0.00 13.50 66.00 126.50 259.50 418.50 459.50 147.93 a 65.50 k 6.50 i 0.00 1491.43
1976 0.00 d 0.00 m 0.00 z 0.00 z 0.00 z 342.86 b 0.00 z 470.00 227.00 0.00 z 0.00 z 0.00 t 1039.86
1977 0.00 h 0.00 b 1.50 68.89 c 274.50 g 0.00 z 0.00 z 0.00 z 363.00 e 63.11 c 3.00 f 0.00 496.50
1978 0.00 b 0.00 a 2.50 p 93.75 b 180.50 357.93 a 0.00 z 379.50 j 471.00 0.00 z 13.80 e 0.00 b 1116.98
1979 0.00 z 0.00 4.50 33.00 h 119.00 301.61 b 500.43 c 0.00 z 0.00 z 148.28 a 7.20 e 0.00 1081.02
1980 0.00 f 0.00 d 0.00 z 9.50 125.50 395.00 632.50 645.50 382.24 a 38.50 8.00 0.52 a 2237.26
1981 0.00 0.50 5.34 b 89.50 59.00 365.00 513.00 375.00 221.50 62.50 0.00 0.00 1691.34
1982 0.00 3.00 14.50 28.00 156.50 210.00 472.00 553.50 259.50 73.00 9.00 3.50 1782.50
1983 0.00 0.00 1.00 27.50 74.00 220.50 453.00 590.50 291.50 65.00 13.50 0.00 1736.50
1984 0.00 0.00 6.50 24.50 98.00 358.00 485.50 440.00 222.50 50.00 10.50 0.50 1696.00
1985 0.00 0.00 26.50 53.00 128.00 273.50 476.50 465.50 294.50 52.00 4.50 0.00 1774.00
1986 0.00 0.00 8.50 60.00 134.00 383.50 609.50 390.50 280.50 35.50 0.00 0.00 1902.00
1987 0.00 0.00 3.00 63.00 251.00 325.00 434.00 496.50 163.50 8.50 6.50 0.00 1751.00
1988 0.00 0.00 4.00 20.00 121.50 358.50 445.50 494.00 269.00 25.00 1.50 0.00 1739.00
1989 0.00 0.00 8.50 96.00 160.50 250.50 390.50 414.50 175.50 90.50 14.50 0.00 1601.00
1990 0.00 0.00 18.00 44.00 101.00 415.50 472.50 489.00 355.50 42.00 13.00 0.00 1950.50
1991 0.00 0.00 13.00 34.00 253.50 397.50 566.50 462.00 215.00 71.50 0.00 5.00 2018.00
1992 0.00 0.00 6.00 65.00 114.00 239.50 438.50 266.50 192.50 27.50 0.00 0.00 1349.50
1993 0.00 0.00 3.50 17.50 88.00 297.00 536.50 532.50 185.00 31.50 0.00 0.00 1691.50
1994 0.00 0.00 9.00 59.50 84.50 420.00 378.50 355.50 188.00 56.00 l 2.00 0.00 1497.00
1995 0.00 0.00 a 17.00 20.00 97.50 240.50 452.50 530.00 199.00 28.50 0.00 0.00 1585.00
1996 0.00 4.00 0.00 22.50 239.00 321.00 410.00 386.50 150.50 37.50 0.00 0.00 1571.00
1997 0.00 0.00 4.50 0.00 62.00 260.50 472.00 350.00 224.00 81.50 0.00 0.00 1454.50
1998 0.00 0.00 21.00 27.00 223.50 381.50 571.50 533.50 426.50 54.50 5.50 1.50 2246.00
1999 0.00 0.00 d 0.00 23.00 85.00 266.00 459.50 537.00 178.50 61.00 6.00 0.00 1616.00
2000 0.00 0.00 3.50 16.00 176.00 224.00 412.50 592.50 336.50 92.00 3.00 0.00 a 1856.00
2001 0.00 0.00 0.00 109.00 129.00 283.00 0.00 z 500.50 167.00 18.00 4.50 0.50 1211.50
2002 0.00 0.00 3.50 76.50 104.50 0.00 z 446.00 447.00 282.50 51.00 4.00 0.00 1415.00
2003 0.00 0.00 0.00 z 43.50 0.00 z 226.00 0.00 z 0.00 z 0.00 z 53.00 12.50 0.00 z 335.00
2004 9.00 0.00 18.50 28.00 202.00 271.50 367.50 312.50 232.00 88.50 0.00 2.00 1531.50
2005 0.00 0.00 z 4.50 0.00 z 124.50 351.50 433.00 479.50 351.50 95.00 19.50 0.00 1859.00
2006 0.00 0.00 23.50 129.00 202.50 0.00 z 0.00 z 0.00 z 197.50 0.00 z 1.00 0.00 553.50
2007 0.00 0.00 35.50 31.00 171.00 300.00 0.00 z 0.00 z 280.00 121.50 5.50 0.00 z 944.50
2008 3.50 1.00 9.50 0.00 z 0.00 z 0.00 z 0.00 z 401.00 0.00 z 30.00 0.00 z 0.00 z 445.00
Period of Record Statistics
MEAN 0.37 0.44 9.43 49.52 135.62 324.09 475.36 469.29 255.51 62.28 5.96 0.38 1764.95
S.D. 1.45 1.23 11.78 28.95 53.03 68.12 83.29 99.82 86.53 39.71 7.88 1.27 285.44
SKEW 4.22 3.12 2.32 0.71 0.61 0.83 0.46 0.38 0.32 0.88 1.96 3.84 0.73
MAX 9.00 6.50 68.50 129.00 282.21 549.00 737.50 782.23 482.00 160.00 40.71 7.75 2673.00
MIN 0.00 0.00 0.00 0.00 49.50 210.00 267.50 230.43 67.50 3.88 0.00 0.00 1138.50
NO YRS 86 86 87 87 84 87 84 88 86 85 88 88 58