SHELTER COVE AVIATION, CALIFORNIA

Monthly Total Heating Degree Days

(048163)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1974 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 229.00 149.50 347.50 423.00 1149.00
1975 474.50 307.50 j 494.00 474.00 268.50 209.50 170.00 194.50 219.00 265.50 401.00 458.00 3628.50
1976 455.00 477.50 516.50 454.66 a 285.50 198.50 158.50 169.00 163.00 180.50 252.00 355.00 3665.66
1977 432.50 197.00 h 489.50 359.50 370.50 212.00 197.00 152.50 181.50 239.50 306.50 395.25 c 3336.25
1978 365.00 378.00 272.00 347.00 200.50 119.50 m 144.00 g 101.00 0.00 z 0.00 z 364.14 a 507.50 2535.14
1979 470.50 442.50 388.00 347.50 206.15 a 173.00 110.50 67.50 38.50 175.50 282.00 324.00 3025.65
1980 404.50 308.50 387.00 311.50 280.00 187.50 0.00 z 161.20 a 0.00 z 190.43 c 283.00 343.50 2857.13
1981 342.50 302.00 382.33 a 313.50 256.78 a 93.00 149.50 112.50 117.00 268.50 272.00 382.50 2992.12
1982 481.50 358.00 433.50 374.50 237.00 279.50 147.50 108.50 87.50 160.50 312.00 0.00 z 2980.00
1983 356.50 d 344.50 388.00 354.00 269.00 142.00 81.50 49.00 37.00 123.50 312.00 414.00 2871.00
1984 342.00 400.50 305.00 357.00 241.50 138.00 44.50 31.00 15.50 192.00 336.00 416.50 2819.50
1985 375.50 321.50 443.50 269.50 215.50 85.50 115.50 91.00 182.00 0.00 z 430.50 463.00 2993.00
1986 352.50 350.00 316.50 360.00 279.00 170.50 149.50 252.50 197.50 292.50 272.07 a 391.50 3384.07
1987 429.50 324.00 0.00 z 292.50 201.00 217.00 138.00 217.00 195.00 183.50 279.00 479.00 2955.50
1988 430.50 332.00 384.00 333.00 267.00 174.50 163.50 204.50 200.50 269.00 349.00 402.00 3509.50
1989 486.00 514.77 b 456.50 302.00 195.50 195.00 100.50 219.00 294.00 246.50 214.66 a 392.50 3616.92
1990 424.50 506.00 463.00 263.00 242.00 162.50 0.00 z 0.00 z 0.00 z 157.00 272.00 0.00 z 2490.00
1991 0.00 z 0.00 z 486.50 328.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 815.00
1992 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 138.00 176.50 220.50 67.00 145.00 21.00 y 208.50 v 747.00
1993 628.50 0.00 z 232.00 o 465.50 342.00 159.83 a 44.50 88.35 a 54.83 a 129.54 c 339.50 335.00 m 2252.54
1994 445.00 553.26 a 224.00 p 53.50 y 106.50 r 0.00 z 99.00 n 49.50 i 166.00 166.00 389.00 283.50 o 1719.26
1995 393.00 296.00 364.00 188.50 l 271.25 a 205.50 62.50 65.00 81.50 71.50 208.50 308.50 2327.25
1996 367.50 303.00 288.00 265.00 230.00 115.00 i 200.43 b 149.00 164.46 b 192.50 279.83 a 338.00 2777.72
1997 381.50 193.50 i 294.50 120.00 s 121.00 p 50.00 k 154.00 96.21 b 41.50 167.00 228.00 315.50 1678.21
1998 366.50 382.00 353.50 348.00 279.50 156.50 171.07 d 142.00 138.00 138.50 331.00 431.00 3237.57
1999 394.00 452.00 469.98 c 314.00 312.50 188.50 219.50 105.00 220.00 214.50 266.00 353.92 a 3509.90
2000 419.00 352.00 354.00 289.00 217.50 220.50 186.50 138.00 94.00 252.50 347.00 318.50 3188.50
2001 394.50 390.50 320.00 402.00 180.00 135.00 186.00 119.00 204.00 173.60 a 307.24 a 419.00 3230.84
2002 446.50 334.88 c 383.00 344.50 271.50 160.00 155.00 199.00 173.28 a 184.00 223.50 380.00 3255.16
2003 288.30 a 307.50 329.63 a 399.50 256.00 149.00 164.50 77.50 107.00 100.00 g 351.00 396.00 2825.93
2004 404.15 d 381.00 222.50 246.50 212.98 d 135.00 145.50 98.00 f 47.50 188.00 h 282.69 d 263.00 j 2077.82
2005 441.50 305.00 315.74 d 368.33 c 258.00 204.50 109.00 245.00 207.00 217.00 311.50 401.50 3384.07
2006 400.00 294.50 510.50 324.50 8.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1529.50
Period of Record Statistics
MEAN 413.10 373.52 386.11 343.16 253.58 172.70 142.35 139.82 140.11 190.58 305.00 392.37 3263.60
S.D. 62.19 74.51 79.97 58.24 44.48 41.80 46.65 62.43 73.64 52.49 54.64 52.44 266.86
SKEW 1.14 0.98 -0.01 0.60 0.63 0.12 -0.67 0.19 -0.06 0.10 0.23 0.23 -0.17
MAX 628.50 553.26 516.50 474.00 370.50 279.50 219.50 252.50 294.00 292.50 430.50 507.50 3665.66
MIN 288.30 294.50 222.50 246.50 180.00 85.50 44.50 31.00 15.50 71.50 208.50 308.50 2819.50
NO YRS 30 26 28 28 27 26 26 27 28 27 30 25 14