MONTEBELLO, CALIFORNIA

Monthly Total Cooling Degree Days

(045790)

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
1979 0.00 1.50 21.70 a 73.97 a 106.00 289.14 a 343.58 a 328.17 b 439.04 d 123.00 15.00 35.81 b 1776.91
1980 1.50 30.50 0.00 75.52 a 30.47 b 198.62 a 382.50 360.63 a 215.17 a 180.50 24.31 a 22.50 1522.22
1981 1.03 a 27.42 d 1.07 b 47.68 b 127.50 353.00 364.00 395.00 264.83 a 94.55 a 53.79 a 4.00 1733.87
1982 1.00 13.00 5.00 40.50 76.50 69.00 332.50 398.00 330.00 189.00 10.00 0.00 1464.50
1983 24.50 4.50 14.50 10.00 107.00 152.00 345.50 486.50 423.00 229.50 43.00 0.00 1840.00
1984 17.05 a 0.00 z 28.00 75.00 261.00 220.50 460.00 434.00 522.50 122.00 8.50 0.00 2148.55
1985 0.00 28.50 3.00 75.50 57.50 234.50 453.50 361.00 234.50 151.00 28.00 29.00 1656.00
1986 56.50 38.00 45.00 76.50 110.50 230.50 296.50 386.50 150.00 152.00 51.50 4.00 1597.50
1987 7.50 13.00 9.00 128.00 140.50 197.00 221.50 297.50 329.00 229.50 36.00 4.00 1612.50
1988 13.00 24.00 92.50 77.00 0.00 z 166.50 381.00 307.50 282.00 179.00 22.50 15.00 1560.00
1989 22.00 29.00 25.50 154.00 82.00 181.00 354.00 291.00 315.00 111.00 54.50 16.00 1635.00
1990 1.00 10.50 23.00 61.00 101.00 306.50 462.50 385.50 357.00 250.50 51.00 16.00 2025.50
1991 4.00 26.00 1.00 62.00 69.00 0.00 z 0.00 z 326.50 307.50 276.00 86.50 4.00 1162.50
1992 11.50 25.00 3.00 147.00 166.50 197.50 376.00 483.00 354.50 0.00 z 58.00 0.00 1822.00
1993 3.00 3.50 39.27 a 91.00 168.00 268.50 291.40 a 334.00 291.00 197.00 31.50 4.00 1722.17
1994 0.00 z 0.00 50.00 41.00 63.00 306.50 304.50 481.00 342.50 137.00 9.00 1.00 1735.50
1995 7.23 a 71.00 17.50 60.00 46.50 150.50 350.00 395.00 362.00 161.50 0.00 z 1.00 1622.23
1996 0.00 z 17.00 22.50 117.00 167.00 256.00 376.50 405.50 291.50 129.00 64.00 5.50 1851.50
1997 4.50 9.00 87.00 0.00 z 280.50 243.00 311.50 427.00 461.50 202.00 91.00 6.72 a 2123.72
1998 1.00 0.00 24.50 54.50 23.00 146.00 385.50 471.00 262.00 102.82 a 1.55 a 8.50 1480.37
1999 5.50 j 2.00 f 0.00 d 63.00 49.00 f 167.31 d 323.84 c 327.16 c 239.46 b 309.48 a 16.50 f 4.59 d 1434.85
2000 16.57 b 10.74 b 13.29 c 49.00 h 146.00 f 0.00 z 256.00 g 425.65 e 331.15 d 74.50 i 5.00 h 20.50 q 797.40
2001 5.50 f 28.61 e 2.00 i 43.50 j 120.50 f 291.35 d 161.00 p 173.50 o 180.00 l 106.50 m 10.50 p 0.00 z 319.95
2002 3.50 38.50 3.50 13.00 j 0.00 z 0.00 z 237.50 k 220.00 i 195.00 n 34.00 n 17.00 r 0.00 t 45.50
2003 28.00 j 11.00 l 20.00 j 16.20 e 79.00 m 87.50 n 258.00 m 333.50 h 226.50 j 183.50 m 11.00 y 0.00 z 16.20
2004 8.00 w 0.00 m 78.50 g 98.00 223.64 c 229.50 349.50 345.00 207.50 p 40.50 u 1.50 q 3.50 s 1245.64
2005 1.00 n 0.00 q 23.25 e 40.50 l 99.00 k 102.00 l 258.50 k 266.50 k 115.00 n 120.50 k 17.50 v 0.50 l 23.25
2006 15.50 h 11.00 n 0.00 n 0.00 z 89.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 9.82 20.42 23.04 74.74 120.36 220.66 355.52 384.87 322.96 176.32 38.93 8.65 1672.21
S.D. 13.35 16.61 24.99 36.98 72.65 66.72 57.93 60.68 85.67 59.60 25.87 10.12 160.53
SKEW 2.30 1.14 1.57 0.51 0.78 -0.09 0.07 0.22 0.39 0.60 0.42 1.39 0.69
MAX 56.50 71.00 92.50 154.00 280.50 353.00 462.50 486.50 522.50 309.48 91.00 35.81 2025.50
MIN 0.00 0.00 0.00 10.00 23.00 69.00 221.50 291.00 150.00 94.55 1.55 0.00 1464.50
NO YRS 20 22 24 22 20 22 21 23 22 20 19 21 12