LA MESA, CALIFORNIA

Monthly Total Heating Degree Days

(044735)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200602
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.17 a 0.50 16.00 116.00 206.00 469.65 a 813.32
1949 639.00 445.00 390.82 c 170.50 134.33 a 12.50 2.00 3.00 j 6.00 94.00 88.50 378.00 2360.65
1950 493.33 b 321.00 310.50 177.50 180.00 63.50 0.00 0.50 13.00 33.00 149.00 195.00 1936.33
1951 382.50 321.50 191.50 g 202.00 134.50 35.50 4.50 6.50 5.00 61.00 186.50 408.17 d 1747.67
1952 461.50 306.92 e 412.00 240.50 67.50 68.50 h 0.50 0.00 9.50 41.50 267.00 372.52 a 2179.43
1953 255.50 241.50 f 230.50 f 268.00 182.00 73.00 0.00 1.50 12.00 59.50 113.00 i 300.50 1152.00
1954 401.50 176.08 b 340.50 202.00 118.00 48.50 0.00 h 0.00 b 3.00 55.50 105.50 291.00 1741.58
1955 429.00 320.96 a 229.50 215.69 a 140.53 a 34.00 3.62 a 0.00 6.50 88.50 196.50 296.64 b 1961.44
1956 330.00 410.50 265.80 d 232.00 91.50 19.50 1.00 0.00 0.00 f 64.58 a 94.50 212.50 1721.88
1957 358.00 206.00 245.50 169.00 104.76 b 10.50 0.00 a 0.00 a 0.00 52.50 161.50 f 177.50 1323.76
1958 251.50 203.50 317.00 137.14 b 26.00 4.00 0.00 0.00 0.00 6.50 137.50 147.00 1230.14
1959 209.50 291.50 106.00 54.00 73.50 1.61 b 0.00 a 0.00 0.52 a 21.00 51.50 221.00 1030.12
1960 389.50 305.50 183.00 121.00 65.50 5.50 0.00 0.00 0.00 47.50 169.00 280.50 1567.00
1961 171.00 183.00 238.50 137.00 122.97 a 32.00 0.00 0.00 a 4.00 59.00 200.17 a 288.50 1436.14
1962 284.00 308.00 340.50 101.00 122.00 49.00 0.00 0.00 0.50 26.35 a 167.50 275.00 1673.85
1963 353.73 c 127.04 a 267.00 217.50 70.00 43.97 a 0.00 0.00 a 0.00 a 7.00 145.34 a 205.12 a 1436.70
1964 340.00 275.00 273.50 189.44 c 130.00 49.50 0.00 0.00 0.00 5.17 a 207.50 307.50 1777.61
1965 277.40 b 250.50 252.00 175.00 116.50 74.48 a 2.00 0.00 b 6.43 b 12.73 c 131.50 276.42 a 1574.96
1966 343.67 b 315.91 e 202.50 101.38 a 0.00 z 11.50 0.00 0.00 0.00 b 5.54 c 120.00 b 265.64 b 1366.14
1967 276.50 172.00 198.00 296.50 86.50 68.33 c 0.00 0.00 a 0.00 0.50 70.50 329.50 1498.33
1968 278.50 135.00 172.50 146.50 98.50 40.00 1.00 0.00 2.50 17.50 121.50 328.00 1341.50
1969 240.25 a 309.17 d 264.50 107.00 47.50 22.24 a 0.00 0.00 a 0.00 30.48 a 84.83 a 236.50 1342.47
1970 253.68 a 154.00 183.42 a 182.59 a 58.00 18.62 a 0.00 0.00 a 0.00 f 30.00 108.62 a 312.00 1300.93
1971 317.23 a 253.04 a 220.00 159.00 130.50 55.00 0.00 e 0.00 19.82 b 123.50 248.00 434.00 c 1960.09
1972 345.65 a 207.14 a 150.50 113.50 57.00 8.00 1.00 0.00 4.50 50.50 171.72 a 290.50 1400.02
1973 342.00 219.00 302.50 153.10 a 64.58 a 10.86 a 0.00 0.00 e 0.00 a 10.91 d 195.52 a 237.50 1535.97
1974 287.27 a 208.38 b 202.03 b 110.50 74.83 b 2.00 0.00 d 0.00 a 0.00 a 39.55 b 131.67 c 305.57 c 1361.80
1975 260.50 275.15 b 278.50 250.34 a 102.30 a 25.71 b 0.00 0.00 0.00 51.00 152.59 a 260.00 1656.10
1976 199.00 224.50 214.00 199.14 a 52.50 8.00 0.00 0.00 0.00 4.00 78.50 191.50 1171.14
1977 255.00 145.92 b 274.35 a 103.97 a 124.52 a 5.00 0.00 b 0.00 b 0.00 13.50 77.78 c 124.00 a 1124.03
1978 222.00 191.50 131.50 144.50 38.00 2.00 0.00 a 0.00 0.00 6.00 181.50 352.50 1269.50
1979 347.50 267.50 212.00 122.00 71.00 15.00 3.00 0.00 0.00 a 27.79 b 128.50 176.38 b 1370.67
1980 205.50 124.50 188.58 a 107.00 112.50 12.00 0.00 0.00 z 0.00 b 23.52 b 118.89 c 166.07 c 1058.56
1981 192.20 a 129.50 198.50 83.65 d 24.00 0.00 c 0.00 b 0.00 0.00 45.50 110.00 203.00 986.35
1982 330.50 176.00 213.00 129.00 65.00 34.50 0.00 0.00 7.50 23.50 201.50 310.50 1491.00
1983 213.00 193.00 194.50 172.00 51.00 15.00 0.00 0.00 0.00 0.00 136.50 234.00 1209.00
1984 123.50 j 186.50 110.50 110.00 12.50 0.00 0.00 0.00 0.00 22.00 170.00 310.50 922.00
1985 293.00 252.50 265.05 a 60.00 0.00 z 7.50 0.00 0.00 0.00 d 7.50 193.00 168.00 1246.55
1986 85.77 a 183.50 128.00 114.00 37.50 0.00 0.00 0.00 17.00 15.50 58.00 222.50 861.77
1987 292.00 195.00 197.50 66.00 16.50 j 2.50 2.00 2.00 0.00 1.50 119.00 361.00 1238.50
1988 248.00 117.00 118.50 98.00 47.00 18.50 0.00 0.00 0.50 3.50 144.00 262.00 1057.00
1989 310.50 260.50 141.00 32.50 47.00 17.00 0.00 0.00 2.00 11.50 61.50 175.50 1059.00
1990 251.50 294.00 0.00 z 69.00 44.50 5.00 0.00 0.00 0.00 0.00 91.50 274.00 1029.50
1991 243.00 116.00 279.50 112.00 86.50 6.50 0.00 0.00 z 0.00 29.00 92.50 249.00 1214.00
1992 0.00 z 135.50 0.00 z 22.00 5.00 0.50 0.00 0.00 0.00 8.00 93.00 323.50 587.50
1993 285.00 218.00 108.00 33.00 4.00 9.00 0.00 0.00 0.00 0.00 z 86.50 224.00 967.50
1994 168.50 237.50 127.00 111.50 85.00 0.00 0.00 0.00 0.00 17.00 246.00 273.50 1266.00
1995 270.00 94.00 148.50 106.00 95.00 16.50 0.00 0.00 0.00 1.50 0.00 z 211.50 943.00
1996 123.00 i 48.50 s 145.00 43.50 13.00 0.00 a 0.00 0.00 l 0.00 j 54.00 110.50 213.50 579.50
1997 243.00 194.00 96.50 55.50 i 0.00 0.00 z 0.00 0.00 i 0.00 z 7.00 84.50 268.50 893.50
1998 232.00 256.00 0.00 z 154.00 70.50 0.00 z 0.00 0.00 0.00 z 9.00 131.50 275.50 1128.50
1999 241.91 c 238.00 274.19 b 215.00 81.24 b 25.00 0.00 z 0.00 d 0.00 g 0.00 c 56.00 n 190.77 e 1266.11
2000 190.81 b 178.14 a 151.00 g 39.50 g 7.46 d 0.00 e 0.00 j 0.00 f 0.00 e 29.00 g 195.00 173.94 d 745.36
2001 186.50 j 207.50 i 177.06 e 139.00 f 6.50 n 0.00 f 0.00 d 0.00 f 0.00 g 0.50 m 64.50 k 0.00 z 177.06
2002 281.00 84.50 j 224.50 138.00 84.00 9.00 0.00 0.00 i 0.00 m 39.50 k 79.00 291.00 1106.50
2003 74.50 k 114.00 l 110.00 n 95.50 l 46.00 p 8.00 m 0.00 n 0.00 n 0.00 j 0.00 v 64.00 o 178.50 m 0.00
2004 110.50 q 102.00 s 29.00 u 43.50 l 16.00 l 5.50 k 0.00 p 0.00 k 0.00 v 49.00 p 94.50 q 139.00 q 0.00
2005 183.00 j 0.00 z 62.00 r 69.50 i 31.50 k 0.00 l 0.00 i 0.00 e 2.00 u 37.00 l 0.00 z 115.00 m 0.00
2006 75.00 s 76.00 q 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 0.00 z 0.00
Period of Record Statistics
MEAN 291.46 226.19 219.04 140.70 77.16 20.56 0.50 0.23 2.90 30.23 137.94 265.33 1399.52
S.D. 92.10 76.11 75.25 63.14 44.26 21.12 1.18 0.99 5.11 29.79 53.13 73.15 290.74
SKEW 1.16 0.56 0.43 0.28 0.24 1.12 2.60 5.55 1.89 1.33 0.46 0.49 0.31
MAX 639.00 445.00 412.00 296.50 182.00 74.48 5.17 6.50 19.82 123.50 267.00 469.65 1961.44
MIN 85.77 94.00 96.50 22.00 0.00 0.00 0.00 0.00 0.00 0.00 51.50 124.00 861.77
NO YRS 50 50 48 51 50 50 52 48 47 51 50 54 29