NAPA STATE HOSPITAL, CALIFORNIA

Monthly Total Heating Degree Days

(046074)

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
1917 0.00 z 458.50 499.00 291.50 281.50 71.50 9.50 25.00 64.00 125.00 323.00 463.50 2612.00
1918 526.50 461.50 424.50 303.50 282.50 19.00 25.50 24.50 38.00 234.50 626.00 845.00 3811.00
1919 556.00 483.00 480.50 a 305.00 181.00 82.50 53.00 50.50 80.50 245.00 376.50 602.00 3495.50
1920 533.50 446.00 455.00 299.50 184.50 72.50 48.50 38.00 69.00 175.00 346.00 504.00 3171.50
1921 539.50 380.50 321.00 288.50 248.50 38.00 41.00 26.00 61.50 114.50 284.50 0.00 z 2343.50
1922 677.00 479.00 440.50 345.50 159.00 59.50 16.50 19.50 11.50 157.00 399.50 569.00 3333.50
1923 698.00 506.50 358.50 365.00 261.00 181.00 81.50 62.50 71.50 181.00 176.50 0.00 z 2943.00
1924 348.00 327.00 457.50 303.00 181.50 135.50 124.00 d 92.00 88.00 274.50 405.00 682.00 3418.00
1925 574.50 398.00 449.50 307.50 228.00 120.00 58.00 72.50 140.50 226.00 417.50 548.00 3540.00
1926 698.00 387.00 290.50 232.50 188.50 100.00 47.50 76.00 161.00 146.50 260.50 597.50 3185.50
1927 557.50 425.50 445.00 368.50 265.00 112.00 73.00 87.00 98.50 146.73 a 316.50 587.00 3482.23
1928 559.00 439.00 356.00 327.00 184.00 121.00 60.00 105.50 143.00 205.50 430.00 554.50 3484.50
1929 0.00 z 396.50 401.00 421.00 165.50 109.00 44.50 1.50 88.50 84.50 283.00 425.00 2420.00
1930 581.00 327.00 315.00 224.50 235.50 73.00 61.50 11.00 80.00 137.00 287.00 508.50 2841.00
1931 477.00 289.00 247.50 191.00 48.50 38.50 7.50 17.00 55.00 140.50 327.50 564.50 2403.50
1932 532.00 462.50 247.50 288.50 133.50 39.50 0.52 a 28.50 64.00 189.50 216.00 624.50 2826.52
1933 614.50 502.00 332.50 j 421.00 165.50 109.00 44.50 1.50 88.50 70.00 253.00 536.00 2805.50
1934 451.50 328.00 177.50 162.00 114.50 71.50 30.50 8.00 57.00 108.00 275.50 440.50 2224.50
1935 553.00 434.00 522.00 299.50 229.50 50.00 81.50 55.50 81.50 211.50 443.50 562.50 3524.00
1936 470.50 477.00 343.50 261.50 142.00 74.50 25.50 22.50 58.00 145.50 378.50 606.00 3005.00
1937 826.00 522.00 405.00 358.00 175.50 99.00 46.50 54.00 66.00 67.00 280.00 477.00 3376.00
1938 522.50 413.00 438.00 315.50 147.00 66.00 23.00 37.50 16.50 133.50 364.50 437.00 2914.00
1939 513.00 434.50 376.50 183.50 148.50 59.00 11.50 15.50 28.50 136.73 c 290.00 399.00 2596.23
1940 436.50 317.00 269.50 200.50 117.50 12.50 15.00 19.50 11.00 132.00 340.00 383.50 2254.50
1941 420.00 321.00 257.50 258.00 105.00 59.50 8.50 12.50 36.00 168.50 264.50 475.00 2386.00
1942 507.50 402.50 368.00 284.00 226.50 45.00 4.00 9.00 34.50 91.50 278.50 466.50 2717.50
1943 457.50 303.50 262.50 192.00 88.50 96.00 13.50 13.50 11.50 146.50 259.00 376.50 2220.50
1944 484.00 446.00 300.50 343.50 155.50 93.00 35.00 21.00 31.50 70.00 373.00 389.50 g 2353.00
1945 547.50 342.50 454.00 210.50 218.00 60.00 0.00 28.00 16.00 118.50 362.50 473.50 2831.00
1946 543.00 486.50 392.00 281.50 205.00 66.43 b 11.50 32.50 23.50 200.50 0.00 z 530.00 2772.43
1947 653.50 352.00 312.50 199.50 90.00 54.00 5.50 14.50 13.00 121.00 394.00 538.50 2748.00
1948 451.00 480.50 463.50 366.50 231.50 63.00 32.00 15.00 51.50 103.50 328.50 646.00 3232.50
1949 760.00 560.00 432.50 242.00 188.00 42.00 27.50 32.55 a 36.50 194.00 202.50 571.50 3289.05
1950 668.00 413.50 410.00 217.00 191.00 92.00 4.13 a 10.50 43.50 113.50 208.00 411.00 2782.13
1951 513.00 400.00 363.00 311.00 157.50 86.00 38.00 23.00 50.50 102.50 294.50 555.00 2894.00
1952 612.50 427.00 453.00 235.50 136.00 120.50 9.00 14.00 23.50 113.50 374.00 487.00 3005.50
1953 393.50 354.50 390.00 318.50 237.50 113.50 10.00 27.00 19.00 152.00 291.50 429.50 2736.50
1954 518.00 387.00 451.50 211.00 125.00 72.50 15.00 54.00 50.50 132.50 331.00 565.50 2913.50
1955 625.50 430.00 364.50 383.79 a 138.50 75.50 31.50 51.00 62.00 113.00 352.00 441.00 3068.29
1956 509.00 494.50 395.50 277.50 150.87 a 38.50 17.00 14.98 a 18.00 185.50 254.00 507.50 2862.85
1957 618.50 345.00 341.00 195.00 a 147.00 11.00 12.00 34.50 0.00 z 29.50 y 373.50 525.50 2603.00
1958 543.00 314.00 452.00 245.50 121.86 b 23.50 11.00 0.50 7.00 67.50 307.00 359.00 2451.86
1959 461.00 421.50 247.50 166.50 152.00 22.50 21.00 55.50 42.50 63.50 271.50 489.00 2414.00
1960 539.50 383.00 291.00 261.50 143.00 37.00 13.00 15.50 46.00 130.50 364.50 524.00 2748.50
1961 574.00 352.50 391.50 254.00 228.00 40.50 8.00 6.50 52.00 183.50 348.00 559.50 2998.00
1962 580.50 435.00 435.50 178.00 172.50 64.50 38.50 18.50 58.00 104.00 279.00 488.50 2852.50
1963 664.00 230.00 431.00 409.00 175.50 65.50 18.00 16.00 3.00 97.00 355.50 651.50 3116.00
1964 577.50 403.00 416.50 279.00 222.50 81.50 12.50 11.50 57.00 72.00 375.50 452.00 2960.50
1965 545.00 367.00 391.00 257.50 141.00 114.50 24.50 1.50 75.50 56.50 290.00 651.50 2915.50
1966 529.00 438.00 353.00 147.50 129.50 35.00 30.00 15.00 14.50 77.00 302.00 518.00 2588.50
1967 490.50 401.00 426.00 486.00 138.50 91.00 6.50 2.00 1.50 37.50 232.50 353.50 h 2313.00
1968 584.00 267.00 292.00 187.50 178.50 21.50 14.00 9.50 f 12.50 129.50 339.00 564.50 2590.00
1969 592.50 457.50 352.00 273.50 100.00 47.00 8.00 7.00 28.00 101.50 285.50 404.50 2657.00
1970 411.50 297.50 268.00 326.00 113.00 45.50 17.50 38.00 19.50 166.50 265.50 533.00 2501.50
1971 502.50 410.50 394.00 293.50 171.10 e 51.72 a 6.50 3.00 47.50 197.00 371.50 610.50 3059.32
1972 651.00 372.50 239.50 259.50 140.50 31.50 3.00 6.00 51.50 123.00 410.50 672.50 2961.00
1973 551.50 338.00 434.00 201.00 109.50 39.50 12.00 23.50 23.00 89.50 350.00 476.00 2647.50
1974 481.50 411.50 327.00 267.50 203.00 49.00 25.00 5.00 19.50 100.50 332.00 536.50 2758.00
1975 569.50 401.50 370.00 378.00 116.50 60.00 23.50 23.00 31.50 152.50 404.50 489.00 3019.50
1976 505.50 395.00 393.00 307.50 135.50 80.00 8.50 21.50 17.50 81.00 249.50 512.50 2707.00
1977 584.50 326.15 a 408.50 154.50 237.00 63.00 10.73 e 4.50 41.00 106.50 284.50 388.00 2608.88
1978 416.00 321.50 204.00 277.50 76.50 40.00 22.00 15.50 10.00 86.00 383.50 621.00 2473.50
1979 534.75 a 414.00 300.00 251.00 0.00 z 43.00 6.50 9.50 1.50 88.50 328.50 450.50 2427.75
1980 479.50 295.50 333.00 221.50 190.00 92.50 19.00 35.50 28.50 109.50 287.00 448.00 2539.50
1981 444.50 306.00 330.00 215.50 77.50 5.00 13.50 11.00 7.50 154.00 234.50 407.00 2206.00
1982 621.50 329.50 414.50 262.50 125.50 104.50 15.00 2.00 11.50 86.00 414.00 503.00 2889.50
1983 288.50 q 311.00 320.50 276.00 130.00 16.00 8.50 0.00 2.50 36.50 335.00 413.50 1849.50
1984 476.00 412.50 229.00 237.50 48.00 30.50 2.00 6.50 4.50 149.00 378.50 561.00 2535.00
1985 631.50 328.00 417.50 122.50 105.50 10.00 0.50 9.00 45.50 134.50 420.00 611.50 2836.00
1986 378.00 277.00 216.00 223.50 112.00 20.00 11.00 2.00 54.00 41.00 252.00 524.50 2111.00
1987 535.50 357.00 345.00 109.50 90.00 16.00 21.00 13.00 19.50 68.00 346.00 513.50 2434.00
1988 512.00 336.50 255.00 193.50 147.50 48.00 1.00 13.00 30.00 98.50 320.00 540.00 2495.00
1989 595.50 504.00 311.00 169.50 127.00 30.50 3.00 5.50 25.00 139.50 321.50 625.00 2857.00
1990 566.00 508.00 343.00 150.50 128.50 31.00 4.50 2.50 2.50 75.00 354.00 704.00 2869.50
1991 544.00 276.00 436.00 266.50 188.50 68.50 10.50 14.00 21.50 87.50 289.50 548.00 2750.50
1992 601.00 301.50 289.00 131.00 37.00 27.00 0.00 1.00 11.50 59.00 300.50 607.50 2366.00
1993 594.50 434.00 244.00 236.00 62.00 32.50 3.00 3.50 25.50 54.00 349.00 561.50 2599.50
1994 498.50 427.00 282.50 198.00 115.50 16.00 11.00 1.50 12.50 114.50 489.00 587.00 2753.00
1995 391.50 290.50 360.50 230.50 145.00 39.00 0.00 1.00 7.00 89.00 160.00 369.00 2083.00
1996 376.00 38.00 v 166.50 m 204.50 115.50 39.50 0.00 12.50 35.50 135.00 301.50 426.00 1646.00
1997 499.00 347.00 259.00 163.50 42.00 15.50 1.00 1.50 1.00 71.50 225.00 441.50 2067.50
1998 435.50 390.00 310.00 255.50 207.00 35.50 3.00 0.50 23.50 125.00 359.50 599.50 2744.50
1999 558.00 421.50 434.50 246.50 177.00 63.50 22.00 3.00 12.00 71.00 268.50 476.00 2753.50
2000 450.50 357.00 295.50 162.50 105.50 27.00 14.50 3.50 13.00 120.50 444.00 493.00 2486.50
2001 550.50 407.00 251.50 280.86 a 20.00 11.50 8.50 1.00 19.00 66.50 256.50 447.50 2320.36
2002 547.00 348.50 356.50 209.50 121.50 20.00 2.00 11.50 21.50 130.50 257.50 453.50 2479.50
2003 375.50 370.00 252.50 320.00 107.50 16.50 2.00 0.00 2.00 43.50 395.00 463.00 2347.50
2004 503.00 390.00 135.50 151.00 55.50 11.50 1.00 1.50 15.00 154.00 340.00 487.50 2245.50
2005 560.00 302.50 251.00 230.00 88.00 30.50 0.00 4.50 45.00 94.00 252.50 418.50 2276.50
2006 449.50 356.50 472.00 237.93 a 62.00 24.31 a 2.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1602.24
Period of Record Statistics
MEAN 535.51 388.56 353.34 257.31 150.51 57.02 20.47 20.66 38.62 121.95 324.11 518.79 2777.09
S.D. 86.38 68.13 82.01 73.36 58.14 34.73 21.94 22.37 32.29 49.76 72.15 87.02 389.40
SKEW 0.42 0.12 -0.26 0.47 0.13 0.82 2.03 1.75 1.46 0.64 0.74 0.64 0.37
MAX 826.00 560.00 522.00 486.00 282.50 181.00 124.00 105.50 161.00 274.50 626.00 845.00 3811.00
MIN 348.00 230.00 135.50 109.50 20.00 5.00 0.00 0.00 1.00 36.50 160.00 359.00 2067.50
NO YRS 87 89 88 90 89 90 89 88 88 88 88 85 76