LOS GATOS, CALIFORNIA

Monthly Total Heating Degree Days

(045123)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 20.50 15.50 81.00 149.50 392.59 a 671.50 1330.59
1949 806.00 539.00 428.00 193.50 157.21 c 27.50 17.00 30.00 29.50 217.00 235.50 597.50 3277.71
1950 652.00 443.00 396.50 218.00 164.00 62.50 2.00 5.17 a 35.50 125.00 219.00 434.00 2756.67
1951 545.00 445.00 395.50 272.50 134.50 50.00 22.50 5.50 30.50 161.00 325.50 580.50 2968.00
1952 611.00 441.00 470.00 252.00 116.50 92.00 0.00 7.50 24.50 94.50 383.50 512.00 3004.50
1953 417.50 418.00 407.50 295.00 237.50 114.50 0.00 25.50 19.00 155.00 305.50 470.00 2865.00
1954 530.50 372.50 434.00 154.00 81.00 57.00 0.00 13.50 22.00 91.50 288.00 355.50 h 2044.00
1955 613.00 436.50 340.00 359.00 128.50 40.50 12.50 5.00 20.69 a 82.00 348.00 427.50 2813.19
1956 461.50 513.50 356.00 255.00 126.00 29.00 4.00 2.50 4.50 143.50 262.00 442.50 2600.00
1957 593.00 330.00 319.00 203.00 134.00 19.50 1.00 9.50 4.00 107.00 326.50 487.50 2534.00
1958 440.00 287.50 431.00 201.00 49.50 11.00 2.50 0.00 5.00 44.50 245.50 265.50 1983.00
1959 396.00 392.00 173.17 b 80.00 81.50 13.00 0.00 6.00 21.50 50.00 220.00 415.00 1848.17
1960 511.00 380.00 254.50 212.50 119.50 4.50 0.50 0.00 5.69 a 132.00 384.00 520.50 2524.69
1961 502.50 325.00 376.50 179.00 186.50 18.00 6.50 0.00 26.00 135.50 340.50 574.50 2670.50
1962 521.00 457.50 431.00 173.04 b 176.00 f 34.50 i 7.75 a 11.37 a 41.79 b 145.00 f 302.50 509.00 2454.94
1963 650.50 260.00 461.50 431.50 181.50 66.00 50.50 22.50 18.00 144.50 408.50 619.00 3314.00
1964 560.00 467.50 403.50 280.50 231.50 91.50 22.00 11.00 47.50 72.50 417.00 425.00 3029.50
1965 501.50 396.50 381.76 d 279.00 161.00 110.50 12.50 0.50 43.00 71.50 297.50 645.00 2900.26
1966 547.50 477.00 335.00 136.50 96.50 48.00 26.00 5.00 22.50 113.00 325.50 533.50 2666.00
1967 487.50 409.00 417.00 484.50 153.50 73.00 0.00 0.00 0.50 61.50 232.50 534.75 a 2853.75
1968 586.50 273.50 299.50 229.00 174.00 33.00 2.00 11.00 22.50 139.00 323.50 549.50 2643.00
1969 538.00 477.00 369.50 291.50 78.00 44.00 0.00 0.00 13.45 a 150.00 309.00 399.00 2669.45
1970 420.00 309.00 293.00 337.00 100.00 39.00 1.00 9.50 21.00 162.00 284.50 538.50 2514.50
1971 531.00 429.00 381.00 307.50 178.50 62.00 2.00 0.00 43.00 238.50 380.00 630.00 3182.50
1972 611.00 349.00 221.00 245.50 119.00 24.00 1.50 4.00 25.00 136.00 386.00 624.50 2746.50
1973 559.00 354.50 457.50 187.50 97.00 33.50 3.50 19.00 13.50 144.50 372.00 489.28 a 2730.78
1974 527.00 446.50 335.50 284.00 191.00 30.00 17.00 1.50 3.50 102.00 366.50 552.50 2857.00
1975 554.00 413.00 424.00 382.00 128.00 39.50 21.00 5.00 9.31 a 180.00 383.50 500.00 3039.31
1976 523.00 416.50 389.50 314.00 115.50 96.00 6.50 10.00 6.00 74.50 267.50 529.50 2748.50
1977 580.50 340.50 442.00 199.00 267.00 33.00 19.00 4.00 18.21 b 100.50 297.50 390.50 2691.71
1978 414.00 341.50 215.00 268.50 103.50 42.50 16.00 15.00 36.00 80.50 393.50 654.00 2580.00
1979 0.00 z 431.00 328.50 265.50 84.22 a 24.50 6.50 0.00 0.50 92.00 342.50 435.00 2010.22
1980 439.50 318.50 391.00 225.50 208.50 100.50 26.00 0.00 22.00 140.00 299.00 463.00 2633.50
1981 437.50 319.00 356.00 236.00 133.00 11.50 3.50 5.00 11.50 185.00 255.00 417.00 2370.00
1982 627.50 343.50 417.50 283.50 121.00 91.00 11.00 2.00 30.00 104.50 405.00 519.00 2955.50
1983 526.50 332.00 347.00 334.00 159.50 42.00 22.50 0.50 5.00 57.00 344.50 398.50 2569.00
1984 493.00 399.50 263.00 302.00 76.50 30.00 0.00 1.00 3.50 168.50 370.00 581.50 2688.50
1985 580.00 382.00 444.50 138.00 139.00 14.50 0.00 4.00 43.50 183.50 445.00 593.50 2967.50
1986 383.50 308.00 243.50 242.00 102.00 6.50 7.00 5.00 89.48 a 99.00 304.00 522.50 2312.48
1987 559.50 367.00 349.00 121.50 102.00 15.00 26.50 2.00 13.50 55.50 335.00 521.50 2468.00
1988 481.50 353.50 284.00 200.00 169.50 58.50 1.50 6.00 23.00 82.00 336.50 544.00 2540.00
1989 582.00 497.00 295.00 142.50 133.00 26.00 11.50 5.50 31.00 149.50 343.50 548.00 2764.50
1990 513.00 477.50 329.00 135.00 136.50 25.00 0.50 3.00 4.50 82.50 374.00 705.00 2785.50
1991 521.50 293.00 463.00 284.50 164.50 73.50 1.00 8.00 3.50 97.50 306.50 532.00 2748.50
1992 572.50 315.00 286.50 136.50 23.50 33.00 0.00 1.00 4.50 55.00 326.00 575.00 2328.50
1993 556.50 433.00 251.50 231.50 89.50 47.00 0.00 3.50 27.50 80.00 370.50 564.50 2655.00
1994 496.50 457.50 289.50 239.50 130.00 38.50 1.50 0.00 18.50 168.50 517.50 602.00 2959.50
1995 393.00 300.00 369.00 255.00 165.00 83.50 2.00 7.50 13.50 84.00 202.50 390.50 2265.50
1996 464.50 324.00 274.50 198.00 92.50 28.50 0.00 3.00 22.00 171.00 328.00 401.00 2307.00
1997 473.00 365.00 270.00 186.00 50.00 32.50 0.00 0.00 1.00 152.00 288.50 531.50 2349.50
1998 429.00 418.00 353.00 291.50 254.00 44.50 5.50 3.50 32.50 175.50 355.50 621.50 2984.00
1999 517.00 453.04 c 450.65 d 288.75 b 198.92 a 71.38 a 9.96 c 8.78 a 5.89 b 81.12 a 303.62 a 0.00 z 2389.11
2000 455.00 367.68 a 321.50 166.11 c 125.00 33.00 e 19.12 a 4.50 18.00 155.00 468.62 a 486.50 2620.03
2001 591.50 0.00 z 0.00 z 319.14 a 19.50 10.50 7.50 1.66 c 10.00 82.50 294.50 482.00 1818.80
2002 581.77 a 365.00 0.00 z 227.00 168.50 32.68 b 1.00 7.00 23.00 149.00 294.50 446.00 2295.45
2003 354.50 407.50 322.50 343.00 126.50 31.00 3.50 0.00 12.00 71.50 416.00 456.50 2544.50
2004 516.00 427.00 176.00 170.50 122.50 33.00 1.00 0.00 28.00 184.50 391.00 489.50 2539.00
2005 544.00 339.00 275.50 284.50 102.00 38.50 0.00 0.00 44.50 124.50 287.50 422.50 2462.50
2006 491.50 381.00 470.50 267.78 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1610.78
Period of Record Statistics
MEAN 522.32 387.98 351.08 245.17 133.72 44.30 8.03 5.82 21.66 120.86 333.24 513.78 2682.95
S.D. 79.13 64.66 77.19 77.15 52.01 27.54 10.14 6.59 17.60 45.29 63.09 85.52 289.66
SKEW 0.51 0.12 -0.35 0.48 0.32 0.89 1.71 1.74 1.63 0.29 0.28 -0.15 -0.34
MAX 806.00 539.00 470.50 484.50 267.00 114.50 50.50 30.00 89.48 238.50 517.50 705.00 3314.00
MIN 354.50 260.00 173.17 80.00 19.50 4.50 0.00 0.00 0.50 44.50 202.50 265.50 1848.17
NO YRS 57 57 56 58 56 56 58 58 58 57 58 56 51