date! ,

Monthly Total Cooling Degree Days

(a vali)

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
1953 0.00 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 k 0.00
1954 0.00 0.00 5.00 33.00 76.00 303.50 382.85 a 402.50 260.00 142.00 0.00 0.00 1604.85
1955 0.00 0.00 1.00 28.45 a 116.50 186.50 470.00 444.91 d 267.50 71.50 5.00 0.00 1591.36
1956 0.00 0.00 5.68 a 32.50 78.00 269.00 406.50 382.00 216.50 24.59 b 15.00 b 1.00 1430.77
1957 0.00 0.00 0.00 85.50 164.50 354.50 407.50 371.48 a 330.50 11.76 b 2.50 0.00 a 1728.24
1958 0.00 a 0.00 0.00 8.50 72.00 187.00 474.00 384.50 184.00 28.50 4.00 0.00 1342.50
1959 0.00 0.00 0.00 24.00 142.50 272.00 386.47 a 431.42 a 273.00 137.50 8.50 0.00 1675.38
1960 0.00 a 0.00 0.00 75.50 86.00 272.50 358.00 417.00 253.00 48.00 0.00 b 0.00 1510.00
1961 0.00 b 0.00 9.30 a 0.00 z 0.00 z 158.00 h 313.00 i 416.00 166.00 n 0.00 z 25.20 e 0.00 f 450.50
1962 0.00 d 0.00 0.50 g 23.28 a 93.00 h 187.00 g 332.45 b 358.71 c 194.00 86.00 0.00 0.00 994.44
1963 0.00 0.00 0.00 42.41 a 71.00 257.00 386.98 a 380.50 132.50 26.00 0.00 0.00 a 1296.40
1964 0.00 0.00 11.50 15.00 137.50 275.00 333.00 305.00 213.50 25.50 4.50 1.50 1322.00
1965 0.00 0.00 0.00 2.50 122.00 0.00 z 337.12 c 355.50 267.93 a 37.00 0.00 0.00 1122.06
1966 0.00 0.00 3.50 7.50 64.00 210.50 415.50 353.50 228.00 50.00 4.50 0.00 1337.00
1967 0.00 0.00 5.00 28.50 36.50 163.50 364.00 321.50 129.50 47.50 2.00 0.00 1098.00
1968 0.00 0.00 2.00 3.00 85.50 286.50 405.50 454.00 211.50 93.50 3.00 0.00 1544.50
1969 0.00 0.00 0.00 24.00 78.00 291.50 423.50 360.50 199.00 63.00 0.00 0.00 1439.50
1970 0.00 a 0.00 a 0.00 a 10.50 135.92 e 293.00 300.00 h 379.75 e 260.00 f 79.71 c 0.00 a 0.00 b 898.89
1971 0.00 e 0.00 a 0.00 g 2.40 e 55.69 d 307.22 c 280.00 l 292.00 f 271.11 c 109.02 a 25.18 b 0.00 f 770.61
1972 0.00 d 0.00 2.50 31.50 35.00 155.00 421.00 386.50 239.46 b 29.00 8.04 b 0.00 b 1308.00
1973 0.00 a 0.00 a 10.16 b 18.50 85.77 a 341.50 370.45 a 404.00 328.39 b 95.14 b 17.88 d 0.00 1671.79
1974 0.00 b 0.00 e 8.27 a 46.50 115.96 d 249.64 b 407.00 365.50 246.00 25.83 a 28.00 i 0.00 b 1464.71
1975 0.00 a 0.00 l 1.66 c 19.44 c 68.41 b 132.00 p 290.00 i 456.70 c 264.44 c 93.52 a 16.00 f 0.00 m 904.18
1976 0.00 3.00 4.43 c 46.07 b 60.89 c 176.50 j 369.62 e 298.93 c 138.50 h 22.00 k 0.00 i 0.00 p 782.94
1977 0.00 f 2.59 a 16.50 h 35.50 k 111.27 c 249.44 c 496.50 443.19 d 321.00 e 32.03 a 2.00 f 0.00 1656.02
1978 0.00 0.00 0.00 f 3.50 47.00 232.80 e 321.92 e 443.00 239.44 c 18.00 f 0.00 a 1.00 f 1287.67
1979 0.00 d 0.00 8.02 b 1.73 d 67.68 a 214.29 b 374.50 395.25 a 282.00 63.66 c 11.50 0.00 e 1418.63
1980 0.00 a 0.00 b 0.00 d 7.50 133.00 267.32 b 448.31 e 330.00 f 336.21 a 53.50 0.50 h 0.00 g 1245.84
1981 0.00 a 0.00 w 0.00 k 30.00 a 86.50 416.00 466.50 344.50 239.00 40.50 0.00 g 0.00 c 1623.00
1982 0.00 a 0.00 0.00 0.00 b 101.86 c 246.96 b 401.45 a 349.55 b 179.00 43.00 13.85 d 5.00 h 1335.67
1983 0.00 a 0.00 b 0.00 a 18.50 88.50 230.50 441.48 b 395.00 263.50 52.70 a 0.00 d 0.00 e 1490.18
1984 0.00 b 0.00 d 0.00 0.00 b 119.50 302.07 a 338.00 382.50 200.50 92.48 a 0.52 a 0.00 a 1435.57
1985 0.00 0.00 2.67 b 57.00 89.12 c 257.31 d 361.09 d 362.00 252.93 a 100.23 a 28.50 0.00 b 1510.86
1986 0.00 0.00 0.00 0.00 101.00 325.00 493.50 369.00 225.50 125.00 10.50 0.00 1649.50
1987 0.00 0.00 a 0.00 0.00 125.00 337.00 493.50 455.00 287.00 2.50 7.00 0.00 1707.00
1988 0.00 a 0.00 0.00 18.00 65.00 i 287.50 447.00 450.00 209.50 19.50 k 0.00 i 0.00 j 1412.00
1989 0.00 l 5.50 f 18.27 c 18.00 l 44.50 k 427.00 290.50 k 403.50 200.50 j 58.50 m 11.50 j 0.00 n 848.77
1990 0.00 j 4.50 i 0.00 q 39.00 101.50 183.50 i 307.00 j 411.50 115.00 l 60.00 o 2.00 l 0.00 p 552.00
1991 0.00 k 2.50 i 5.50 k 33.21 b 210.00 201.50 j 522.00 289.00 i 200.50 j 16.50 i 10.50 l 3.50 j 765.21
1992 0.00 l 0.00 k 0.00 58.45 a 0.00 z 219.31 a 522.50 384.00 209.50 i 25.50 j 9.00 l 0.00 i 1184.26
1993 0.00 l 0.00 0.00 b 17.59 a 91.00 m 349.50 298.00 m 239.00 m 236.00 i 21.50 r 14.00 j 0.00 n 367.09
1994 0.00 l 0.00 a 2.50 51.50 j 52.00 k 362.00 327.00 k 357.50 162.50 i 4.00 k 8.50 j 0.00 m 722.00
1995 0.00 l 0.00 i 2.00 k 22.00 k 109.50 i 277.00 334.00 k 420.00 182.00 j 85.50 j 12.00 r 0.00 u 697.00
1996 0.00 n 0.00 l 0.50 l 33.10 a 60.00 j 208.50 j 253.00 k 231.00 i 177.50 j 47.00 j 7.50 m 0.00 o 33.10
1997 0.00 j 0.00 k 0.00 j 4.66 a 28.50 l 157.00 l 301.50 j 258.50 j 130.50 k 42.50 l 0.00 m 0.00 v 4.66
1998 0.00 n 0.00 m 21.50 l 51.96 b 76.00 m 193.00 j 342.50 i 212.50 o 208.00 i 41.50 n 0.00 n 7.00 o 51.96
1999 0.00 n 0.00 m 0.00 j 29.50 n 36.50 l 212.50 h 277.50 l 276.00 k 152.00 j 11.50 s 0.00 l 0.00 k 0.00
2000 0.00 l 3.00 j 1.00 h 0.50 k 109.00 j 229.00 i 242.00 j 313.00 h 142.00 k 66.50 l 0.00 m 0.00 t 0.00
2001 0.00 j 0.00 j 0.00 k 38.00 i 65.00 j 237.50 i 288.00 k 345.00 g 125.50 k 49.00 j 4.50 j 4.00 p 0.00
2002 2.50 n 0.50 k 0.00 q 63.00 j 86.50 l 278.50 k 391.50 i 309.00 l 172.50 n 80.50 k 0.00 r 0.00 p 0.00
2003 0.00 m 0.00 k 0.00 j 22.50 i 61.50 j 231.00 j 311.00 k 272.00 k 167.50 l 0.00 z 30.00 o 0.00 o 0.00
2004 2.00 m 0.00 k 0.00 j 0.00 n 214.00 k 205.50 n 301.50 l 284.00 i 209.50 i 23.50 m 15.50 l 1.50 n 0.00
2005 0.00 k 0.00 k 0.00 h 27.00 n 23.50 j 257.00 h 346.50 l 333.50 j 277.00 i 81.50 l 8.50 n 0.00 k 0.00
2006 0.00 n 0.00 s 4.00 s 12.00 s 2.00 z 149.50 q 134.50 s 335.00 l 128.50 l 69.00 n 2.50 l 1.50 l 0.00
2007 0.00 m 0.00 k 26.50 j 41.50 k 39.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2008 0.00 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
2009 0.00 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
2010 0.00 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
2011 0.00 0.00 1.50 89.50 154.00 377.00 496.00 447.95 a 295.00 89.26 b 3.00 0.00 1953.21
2012 0.00 a 0.00 5.17 d 23.00 150.00 281.50 547.50 455.00 296.38 a 74.50 h 0.00 z 0.00 z 1758.55
Period of Record Statistics
MEAN 0.00 0.15 3.00 26.08 99.27 279.32 417.81 392.47 245.20 63.11 6.90 0.09 1502.97
S.D. 0.00 0.64 4.26 23.05 38.36 63.76 61.75 42.16 51.03 36.86 8.40 0.33 188.55
SKEW 0.00 3.98 1.74 1.05 0.62 0.26 0.34 -0.16 -0.26 0.46 1.29 3.56 0.20
MAX 0.00 3.00 18.27 89.50 210.00 427.00 547.50 456.70 336.21 142.00 28.50 1.50 1953.21
MIN 0.00 0.00 0.00 0.00 35.00 155.00 321.92 298.93 129.50 2.50 0.00 0.00 1098.00
NO YRS 36 37 36 42 36 37 35 40 34 32 29 28 22