HAWAII VOL NP HQ 54, HAWAII

Monthly Total Heating Degree Days

(511303)

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
1949 0.00 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 105.00 198.00 193.50 496.50
1950 207.04 c 177.00 221.50 194.00 180.50 128.50 85.00 59.00 60.00 a 91.50 110.50 204.00 1718.54
1951 212.50 212.24 c 182.00 196.00 110.50 k 105.00 70.00 71.00 58.50 93.00 176.00 226.50 1602.74
1952 274.00 211.50 255.00 235.34 a 198.50 135.00 74.00 68.00 109.50 70.00 145.00 209.50 1985.34
1953 204.00 197.00 234.50 164.50 129.00 118.50 82.00 49.50 81.50 105.50 159.00 189.50 1714.50
1954 224.00 182.00 215.00 113.00 125.00 80.00 74.50 49.00 66.00 79.00 96.00 227.50 1531.00
1955 266.60 a 247.00 255.50 219.50 207.50 158.50 158.00 142.00 121.00 128.50 163.00 175.00 2242.10
1956 172.50 230.50 0.00 z 180.50 161.00 140.50 84.00 51.50 66.00 73.00 127.00 160.50 1447.00
1957 237.00 263.00 266.50 187.50 159.00 86.00 56.00 55.00 16.00 41.50 93.00 208.00 1668.50
1958 244.00 192.00 254.50 193.00 157.00 96.00 56.00 36.50 58.50 85.50 110.00 195.50 1678.50
1959 156.50 220.50 180.50 128.00 124.50 65.69 a 43.40 a 38.50 36.50 49.00 123.21 b 239.98 b 1406.29
1960 264.50 211.00 180.50 174.00 116.00 88.00 64.00 51.50 58.50 55.00 167.00 189.10 a 1619.10
1961 205.00 185.00 219.00 182.00 154.00 109.00 101.50 81.00 97.00 77.00 173.50 260.50 1844.50
1962 224.00 205.00 245.00 144.50 164.00 110.50 102.50 93.00 99.50 122.50 182.50 213.50 1906.50
1963 187.00 83.50 154.50 148.00 161.50 120.00 91.50 89.79 b 36.00 79.50 129.00 146.00 1426.29
1964 212.50 233.50 227.00 210.00 193.00 70.00 75.00 81.00 89.50 114.50 151.50 137.50 1795.00
1965 199.00 284.50 253.00 172.00 101.50 130.00 78.50 73.50 44.50 81.00 115.00 258.50 1791.00
1966 246.00 222.00 190.50 196.00 112.00 103.50 92.50 47.50 47.50 73.50 121.50 169.00 1621.50
1967 255.50 193.50 187.50 164.50 102.00 72.00 42.00 37.50 35.00 51.50 157.24 a 191.50 1489.74
1968 225.78 a 158.46 a 169.47 a 153.00 99.00 85.00 52.00 44.50 33.50 47.50 78.00 166.50 1312.71
1969 255.00 222.50 246.50 226.00 142.17 b 78.50 67.50 61.48 a 80.00 67.00 138.00 166.50 1751.16
1970 159.50 214.50 229.50 188.57 b 108.50 c 94.50 90.00 64.67 b 71.90 a 80.50 114.00 250.00 1666.14
1971 209.50 190.00 222.50 175.00 188.50 131.00 100.00 88.50 71.25 b 111.00 107.00 265.50 1859.75
1972 269.70 a 202.50 f 158.74 b 211.03 a 169.97 b 108.75 b 107.00 53.50 66.72 a 64.50 149.50 203.00 1562.42
1973 213.00 269.00 245.50 235.50 214.00 136.50 73.50 76.47 a 82.50 b 106.95 a 136.07 b 166.88 a 1955.87
1974 130.50 179.41 a 168.43 a 150.52 a 138.00 98.04 b 97.65 a 52.00 60.00 a 78.50 165.00 217.00 1535.04
1975 255.48 b 218.00 275.00 237.00 227.50 173.50 132.86 c 101.27 a 111.96 b 124.00 147.41 a 206.00 2209.98
1976 227.00 263.00 227.50 254.50 209.00 174.50 127.62 a 86.28 a 56.00 97.28 b 156.21 a 204.82 c 2083.70
1977 218.00 177.50 259.50 174.50 169.98 a 99.31 a 51.50 j 125.11 c 0.00 z 78.53 a 129.00 221.65 a 1653.08
1978 211.66 b 175.50 f 204.00 147.60 e 97.50 95.50 64.00 31.50 53.79 a 57.87 a 88.89 c 251.62 a 1303.92
1979 207.00 g 233.15 b 224.15 e 166.80 e 147.80 c 124.66 a 52.91 b 29.00 19.50 32.00 97.50 126.07 a 1253.55
1980 191.00 111.70 b 220.50 115.38 d 91.50 93.00 46.50 39.00 29.50 60.50 91.00 118.00 1207.59
1981 169.00 172.00 209.50 149.50 113.15 a 50.50 47.00 23.50 38.00 79.57 a 123.00 208.50 1383.22
1982 223.00 146.22 a 219.14 b 170.00 154.48 a 50.00 34.50 22.50 51.50 70.50 96.50 151.50 1389.84
1983 200.39 c 179.41 a 206.15 a 205.86 a 185.50 116.67 c 96.50 74.40 a 57.50 113.00 93.10 a 148.00 1676.48
1984 171.00 154.00 114.18 a 141.00 99.00 87.00 47.50 63.00 34.66 a 27.00 103.00 186.50 1227.84
1985 210.59 b 165.67 d 267.24 b 217.76 a 121.00 m 81.21 a 39.50 19.50 35.00 66.50 105.00 156.50 1364.46
1986 174.63 a 133.54 b 81.12 a 148.93 b 88.57 c 79.04 d 25.66 b 8.55 b 13.33 c 35.28 b 83.00 151.38 a 1023.03
1987 207.04 c 204.30 a 189.50 f 170.89 b 190.59 d 73.39 b 50.00 17.10 b 5.56 c 47.50 100.56 c 132.00 1198.92
1988 146.50 150.18 a 172.10 b 162.69 d 81.93 c 57.00 53.50 33.07 a 26.90 a 22.00 58.27 d 122.97 a 1087.10
1989 206.15 a 174.00 146.73 a 148.45 a 111.50 58.27 d 51.84 b 37.00 56.50 31.55 c 96.43 b 167.18 c 1285.61
1990 188.50 270.67 d 210.05 b 129.64 b 133.62 b 105.00 a 56.50 24.80 a 37.00 89.50 94.29 b 185.48 a 1525.05
1991 202.00 123.00 232.50 159.00 108.50 89.48 a 57.72 b 12.92 a 11.50 39.27 a 51.35 d 164.50 1251.74
1992 212.50 198.00 190.65 a 118.50 i 43.00 i 47.07 a 29.45 a 26.50 15.00 8.35 e 40.50 i 141.50 869.02
1993 194.30 c 215.70 a 178.00 133.00 139.00 55.00 63.00 22.70 c 21.92 d 52.70 a 126.72 a 217.00 a 1419.05
1994 224.00 143.00 200.00 149.00 122.50 70.00 13.00 25.00 24.50 51.00 135.00 a 198.50 1355.50
1995 202.53 a 158.67 a 144.50 137.50 122.50 78.00 57.50 38.23 a 35.00 61.00 71.50 117.00 1223.93
1996 162.23 a 203.00 a 188.50 85.50 50.00 32.50 34.50 28.00 31.00 26.50 74.00 170.00 1085.73
1997 163.27 a 168.50 159.50 146.00 100.00 54.50 31.50 27.50 24.50 43.50 103.50 202.50 1224.77
1998 202.00 176.00 154.00 197.00 178.50 91.50 72.50 36.50 60.50 65.00 125.50 207.50 1566.50
1999 198.92 a 213.50 231.00 195.00 128.13 a 112.50 85.50 70.86 c 88.45 a 66.50 146.00 182.38 a 1718.74
2000 256.00 160.00 187.03 a 201.50 100.50 77.07 a 57.02 c 25.83 a 47.50 50.50 103.97 a 141.57 a 1408.49
2001 173.60 a 191.52 c 200.47 a 178.97 a 129.00 77.50 40.62 b 19.00 28.45 a 70.27 a 61.55 a 180.83 a 1351.77
2002 165.50 218.30 a 180.66 b 84.00 74.18 c 62.14 b 35.02 d 26.72 b 56.38 a 50.93 c 46.00 m 46.00 x 953.82
2003 77.50 q 78.00 o 135.62 c 169.82 b 89.50 60.00 a 31.00 23.00 37.00 39.00 119.50 132.27 a 836.71
2004 112.50 i 116.56 c 128.98 c 128.00 59.79 c 55.00 31.52 a 9.50 14.00 33.50 75.00 a 155.52 a 807.36
2005 143.38 c 178.64 c 139.50 144.50 42.76 b 68.79 a 27.00 38.48 b 25.86 a 88.50 92.50 120.38 a 1110.29
2006 178.77 a 194.38 b 171.00 188.79 a 160.00 66.50 37.50 28.50 49.50 44.43 a 46.50 136.92 a 1302.79
2007 189.00 210.00 b 171.00 190.18 b 126.50 70.50 35.50 51.00 36.96 b 82.67 a 91.00 181.72 b 1436.03
2008 246.40 b 193.00 163.78 a 141.96 b 55.28 a 81.00 37.41 b 48.00 65.89 b 76.50 92.14 b 170.50 b 1371.88
2009 217.52 a 166.50 g 264.02 a 191.79 b 73.76 b 58.97 a 51.67 a 26.50 47.50 33.87 d 88.89 c 114.18 a 1168.65
2010 162.15 e 182.00 a 211.66 b 170.77 d 106.43 a 74.44 c 68.95 b 51.00 65.40 e 70.55 b 111.00 139.50 b 1413.86
2011 115.00 h 119.26 a 157.67 b 143.28 a 119.35 a 91.03 a 99.56 e 65.74 b 88.45 a 107.00 155.77 d 198.83 b 1345.94
2012 184.21 e 202.44 c 255.23 a 100.00 r 183.23 c 113.00 f 137.43 a 111.71 b 139.82 b 110.71 c 171.50 f 221.77 e 1546.56
2013 243.19 b 265.46 b 252.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 761.15
Period of Record Statistics
MEAN 206.27 192.81 201.57 170.79 132.95 90.98 65.80 50.23 53.04 69.32 116.72 181.96 1538.74
S.D. 34.14 41.87 42.99 35.57 43.70 30.78 30.22 28.55 28.94 28.05 34.23 38.95 293.63
SKEW 0.03 -0.12 -0.35 -0.01 0.11 0.71 0.82 0.99 0.76 0.16 0.20 0.17 0.45
MAX 274.00 284.50 275.00 254.50 227.50 174.50 158.00 142.00 139.82 128.50 198.00 265.50 2242.10
MIN 130.50 83.50 81.12 84.00 42.76 32.50 13.00 8.55 5.56 8.35 46.50 114.18 1023.03
NO YRS 60 60 62 61 60 62 62 63 62 64 61 63 48