SEA MTN 12.15, HAWAII

Monthly Total Cooling Degree Days

(518600)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1982 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 345.54 b 365.50 358.50 379.00 378.50 330.50 285.00 2442.54
1983 266.00 240.07 a 283.50 276.50 298.00 334.00 320.50 323.95 a 378.62 a 392.50 387.00 356.50 d 3857.14
1984 301.73 a 244.00 257.00 f 279.50 308.50 323.40 e 316.72 a 321.50 311.00 374.21 c 300.54 b 243.72 b 3324.82
1985 228.22 b 232.40 c 235.71 b 220.71 b 262.00 319.82 b 276.50 310.50 426.21 a 332.00 237.93 a 198.00 3280.00
1986 256.50 240.00 317.00 284.00 326.02 a 253.50 406.21 b 429.00 330.50 368.50 331.00 280.00 3822.22
1987 247.00 195.00 243.50 256.50 258.00 327.50 383.50 390.00 397.00 375.00 354.50 288.09 b 3715.59
1988 248.00 226.50 249.00 235.00 283.00 301.00 370.50 350.50 358.00 376.50 326.50 278.45 c 3602.95
1989 228.00 192.00 267.50 263.28 a 320.00 319.50 369.50 346.50 322.00 321.50 274.00 259.00 3482.78
1990 242.50 180.50 198.00 219.50 266.08 a 307.50 353.00 395.50 401.50 369.50 0.00 z 236.93 c 3170.51
1991 194.61 d 215.00 g 165.00 0.00 z 270.45 b 278.00 310.00 b 369.50 332.00 315.00 309.00 231.98 a 2775.54
1992 188.14 b 184.88 a 208.00 248.79 a 326.50 352.24 a 379.48 b 384.92 a 385.18 b 374.67 b 306.96 b 267.24 b 3607.00
1993 187.15 d 161.50 214.42 a 261.72 a 256.86 c 301.03 a 346.00 360.50 369.64 b 334.91 c 272.07 a 246.40 b 3312.20
1994 178.77 a 157.50 f 212.41 d 240.00 275.38 a 300.54 b 372.00 a 364.85 e 240.00 i 214.50 k 286.03 a 231.97 b 2461.94
1995 198.50 183.56 a 259.62 c 266.11 c 304.00 326.25 b 387.50 b 366.00 363.62 a 391.00 310.86 a 293.00 3650.02
1996 202.00 f 54.00 v 201.50 e 292.50 363.50 372.50 379.00 383.88 a 364.50 365.28 a 289.29 b 259.00 3270.95
1997 258.85 a 226.80 c 236.12 a 243.50 300.00 343.50 368.90 a 359.17 b 354.50 371.00 305.17 a 237.67 a 3605.18
1998 227.33 a 197.50 259.50 264.11 b 262.00 290.50 326.00 391.50 342.41 a 331.00 277.50 251.00 3420.35
1999 207.50 183.50 197.50 219.50 259.00 257.50 298.12 a 370.97 a 326.90 a 192.00 l 178.00 i 140.00 j 2320.48
2000 120.50 i 143.00 i 168.00 i 161.50 i 198.50 h 291.92 d 239.50 j 274.00 h 236.00 i 241.00 i 161.00 m 159.00 k 291.92
2001 181.00 i 97.00 l 143.00 j 162.00 i 115.50 p 171.00 k 0.00 z 0.00 z 0.00 z 347.72 a 322.00 310.55 c 980.27
2002 0.00 z 176.62 b 218.07 b 282.50 293.98 a 320.17 a 354.71 e 394.96 d 348.75 b 384.29 b 332.14 b 286.20 c 3392.40
2003 266.08 a 213.04 e 269.04 c 246.60 e 313.62 a 333.00 380.78 a 416.43 a 294.50 g 397.63 e 198.00 k 110.00 r 2836.23
2004 170.00 j 175.00 i 205.00 g 261.21 a 334.44 e 164.50 n 197.00 n 275.50 i 257.00 j 369.33 b 210.50 i 261.71 e 1226.69
2005 252.43 c 246.75 d 269.04 c 277.50 d 339.85 d 351.96 b 311.50 f 386.95 c 408.33 c 0.00 z 275.89 b 252.50 3061.20
2006 229.00 172.00 186.00 225.50 259.00 301.67 c 360.63 a 388.02 a 341.38 a 343.07 a 319.14 a 237.84 b 3363.25
2007 193.00 180.00 217.50 249.50 291.50 311.38 a 349.00 348.23 a 354.50 337.50 265.71 b 242.66 b 3340.48
2008 173.60 a 151.73 a 208.00 202.00 254.50 274.00 345.28 b 328.82 c 314.00 328.17 b 270.52 a 207.18 a 3057.80
2009 180.63 e 138.25 d 156.60 b 184.82 b 303.36 c 334.80 e 262.50 h 245.50 l 287.50 f 0.00 z 328.85 d 131.50 q 1627.31
2010 203.50 k 139.00 l 105.50 s 79.00 t 228.50 j 136.50 q 128.50 r 325.50 e 142.00 q 245.50 k 182.00 k 207.50 h 325.50
2011 112.00 p 102.50 q 187.50 k 44.50 y 185.50 l 241.00 i 353.73 c 170.00 q 237.50 h 159.50 p 128.50 q 150.00 l 353.73
2012 95.00 q 98.00 o 208.06 e 215.77 d 279.52 a 287.68 b 320.69 b 347.89 d 335.89 b 341.53 b 291.43 b 273.83 d 2902.29
2013 238.24 d 187.70 a 251.74 b 0.00 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 677.69
Period of Record Statistics
MEAN 225.73 197.92 229.29 248.66 292.66 313.35 351.75 365.92 358.50 359.18 304.36 260.66 3508.36
S.D. 34.49 31.34 37.89 27.89 30.24 29.15 31.26 29.89 31.16 24.43 32.63 33.32 225.74
SKEW 0.16 0.08 0.19 -0.44 0.49 -0.19 -0.61 0.03 0.42 -0.23 0.35 0.70 -0.22
MAX 301.73 246.75 317.00 292.50 363.50 372.50 406.21 429.00 426.21 397.63 387.00 356.50 3857.14
MIN 173.60 138.25 156.60 184.82 254.50 253.50 276.50 310.50 311.00 315.00 237.93 198.00 3057.80
NO YRS 23 22 25 25 26 27 25 26 23 24 24 25 14