SAN MIGUEL ISLAND, wr

Monthly Total Heating Degree Days

(967803)

Base Temperature = 65 F

File last updated on Mar 12, 2008
*** Note *** Provisional Data *** After Year/Month 200707
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
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 31.00 o 0.00 z 18.50 w 109.50 p 0.00
1982 140.50 t 17.50 z 0.00 z 14.50 y 50.50 y 55.50 r 50.00 j 42.50 8.50 q 0.00 x 72.00 v 0.00 z 42.50
1983 58.50 z 35.50 y 52.00 x 0.00 z 68.50 r 88.80 e 5.50 k 0.00 x 0.00 h 3.50 z 0.00 z 42.00 z 88.80
1984 0.00 z 105.50 q 0.00 z 48.50 w 40.50 t 47.50 k 2.00 7.50 1.00 j 0.00 z 37.50 x 0.00 z 9.50
1985 304.50 g 221.00 k 152.00 p 199.29 b 233.50 70.50 54.50 55.50 56.00 145.00 202.00 m 190.50 o 814.29
1986 180.00 i 194.00 f 246.45 a 249.31 a 148.00 i 135.50 65.50 121.00 71.50 j 58.50 o 141.00 g 160.00 o 817.76
1987 280.00 k 143.50 q 85.00 w 142.00 j 70.50 r 24.00 u 104.22 b 0.00 z 31.50 j 6.50 x 47.50 s 109.00 u 104.22
1988 290.50 h 206.00 k 135.00 p 198.75 b 110.50 p 119.00 j 54.77 a 45.00 72.00 f 137.12 e 117.00 m 80.00 u 435.63
1989 0.00 z 0.00 z 0.00 z 82.50 o 57.50 w 85.00 j 16.50 w 69.00 g 54.50 m 79.00 n 23.50 x 88.00 v 0.00
1990 36.50 z 46.50 y 96.50 v 124.00 n 57.50 t 63.50 n 59.50 17.00 f 33.50 m 51.50 q 61.00 s 0.00 z 59.50
1991 167.00 r 0.00 z 32.00 z 41.50 z 318.04 d 134.00 k 85.00 93.00 90.50 41.00 p 3.50 r 0.00 z 586.54
1992 0.00 z 11.00 x 113.00 p 48.00 v 41.00 r 80.50 i 57.50 46.50 37.50 i 26.00 x 100.50 s 315.50 h 104.00
1993 124.50 v 95.50 t 119.00 q 90.50 s 38.00 o 56.00 j 65.00 89.00 89.50 f 81.50 n 148.00 k 231.00 l 154.00
1994 113.00 t 199.50 l 162.00 n 200.00 i 143.00 n 186.92 d 166.00 135.00 158.33 c 128.50 m 216.00 o 69.50 z 646.26
1995 61.00 y 139.00 o 43.50 y 147.50 k 150.50 j 104.50 i 74.50 145.00 143.89 c 141.00 117.50 n 107.00 s 504.39
1996 157.00 q 102.50 o 117.50 s 162.00 i 174.00 207.60 e 151.50 121.93 a 112.24 a 206.15 a 225.56 c 124.50 s 1198.98
1997 105.50 w 118.50 r 76.00 u 208.00 g 116.00 k 160.00 c 126.00 19.50 h 0.50 w 38.50 f 121.50 f 214.50 h 286.00
1998 149.50 p 70.50 u 171.50 o 307.24 a 238.46 e 176.00 111.50 58.50 23.00 k 146.65 e 203.00 h 242.50 m 1038.36
1999 191.50 p 194.50 l 423.87 e 344.46 b 341.00 b 289.00 151.38 a 198.50 163.50 127.00 237.50 265.10 b 2541.32
2000 325.00 307.50 348.00 292.00 227.69 b 161.50 193.00 132.00 59.00 171.50 293.50 241.00 2751.69
2001 375.50 371.00 343.50 367.50 182.00 123.10 a 127.50 195.00 134.00 66.13 a 218.04 b 365.50 2868.77
2002 414.50 269.00 350.82 a 315.00 297.60 a 221.00 132.50 184.00 133.00 207.70 a 149.00 327.00 3001.12
2003 208.00 276.00 310.00 288.50 245.00 181.03 a 120.00 99.00 116.38 a 133.96 c 246.21 a 341.00 2565.08
2004 382.00 357.00 253.50 267.00 221.50 208.50 122.00 88.50 35.69 a 184.00 266.38 a 328.50 2714.57
2005 339.50 293.00 294.50 311.00 242.00 249.00 193.50 131.00 170.50 211.00 181.03 a 304.00 2920.03
2006 345.50 277.50 415.50 296.00 272.50 195.00 124.50 95.50 141.00 134.00 196.50 310.00 a 2803.50
2007 392.00 300.50 294.50 a 333.50 301.50 222.00 164.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2008.50
Period of Record Statistics
MEAN 347.75 306.44 328.06 289.97 253.45 179.72 108.97 104.20 116.46 154.71 223.75 310.26 2803.54
S.D. 63.78 38.00 60.35 50.84 50.32 56.70 49.51 53.00 43.77 40.71 44.11 40.51 143.95
SKEW -1.35 0.81 0.28 -0.56 0.15 -0.19 -0.11 0.18 -0.59 -0.32 -0.13 -0.50 -0.29
MAX 414.50 371.00 423.87 367.50 341.00 289.00 193.50 198.50 170.50 211.00 293.50 365.50 3001.12
MIN 208.00 269.00 246.45 198.75 174.00 70.50 2.00 7.50 35.69 66.13 149.00 241.00 2565.08
NO YRS 8 8 10 13 13 16 23 20 13 13 9 8 7