STOCKTON FIRE STN # 4, CALIFORNIA

Monthly Total Heating Degree Days

(048560)

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 0.00 0.00 13.00 56.83 a 362.00 658.50 1090.33
1949 770.35 a 480.50 344.00 79.50 48.00 2.00 0.00 1.50 5.00 155.00 258.50 646.50 2790.85
1950 674.00 436.50 383.50 142.50 104.50 25.00 0.00 1.50 11.00 87.00 223.50 431.50 2520.50
1951 601.00 426.00 371.50 212.00 92.50 6.50 2.00 l 0.00 c 9.00 108.50 351.50 632.50 2811.00
1952 655.50 493.00 a 467.00 206.50 97.02 d 52.50 g 0.00 1.00 18.00 93.00 463.00 591.00 3085.02
1953 491.00 427.50 384.00 229.50 156.50 51.50 0.00 3.50 4.00 141.50 354.50 582.00 2825.50
1954 604.50 506.00 487.50 161.00 59.50 0.00 z 0.00 a 1.50 14.00 132.50 429.00 680.00 3075.50
1955 750.50 529.50 394.50 345.00 110.00 25.50 1.50 1.00 23.50 108.00 433.50 497.00 3219.50
1956 554.12 c 572.00 377.50 240.00 78.53 a 9.00 0.00 0.00 17.50 186.00 426.50 655.50 3116.66
1957 697.00 390.50 339.00 219.00 99.50 3.00 1.50 5.50 7.50 177.00 461.00 652.50 3053.00
1958 620.00 332.50 452.00 219.00 56.50 9.00 0.00 0.00 i 9.50 61.48 a 327.50 479.98 a 2567.47
1959 514.00 437.00 261.50 79.20 e 79.00 0.00 0.00 0.00 f 20.50 62.00 a 357.00 590.50 2400.70
1960 598.00 424.00 269.00 196.50 76.00 0.00 0.00 0.00 3.50 105.50 398.50 660.00 2731.00
1961 754.00 366.00 352.37 a 168.50 102.00 8.50 0.00 0.00 14.50 f 139.50 422.50 640.50 2953.87
1962 473.00 k 491.00 433.00 129.00 90.00 10.00 0.00 0.00 a 4.00 148.50 310.00 611.00 2226.50
1963 753.19 d 234.00 368.00 308.50 88.00 2.00 0.00 0.50 0.50 95.00 404.00 762.50 3016.19
1964 631.00 471.50 355.50 197.50 131.00 30.00 0.50 0.00 34.50 66.50 452.50 475.50 2846.00
1965 608.50 447.50 342.50 223.45 a 71.00 38.00 1.00 0.00 47.50 65.00 318.62 a 733.50 2896.57
1966 605.50 475.00 332.50 89.00 31.00 17.50 0.00 0.00 8.00 122.00 319.50 600.00 2600.00
1967 629.50 490.50 393.00 440.50 112.50 42.00 0.00 0.00 0.00 70.00 272.00 687.00 3137.00
1968 692.69 b 328.50 329.00 195.00 110.00 9.00 0.00 8.00 j 0.00 z 129.50 371.50 631.00 2796.19
1969 637.00 527.50 415.00 231.50 54.50 8.50 0.00 0.00 5.00 186.00 362.50 541.50 2969.00
1970 494.93 b 398.00 319.50 297.50 76.50 18.50 0.00 0.00 14.50 165.85 a 323.50 589.50 2698.28
1971 613.00 490.00 a 435.00 266.00 142.50 26.50 0.00 0.00 29.50 217.50 408.00 685.50 3313.50
1972 753.00 437.00 207.50 210.00 81.50 18.00 0.00 0.00 10.50 126.50 445.50 741.00 3030.50
1973 627.50 388.50 451.00 167.00 50.00 15.00 1.50 0.00 1.50 122.50 379.50 567.50 2771.50
1974 591.50 467.00 315.00 228.50 63.50 0.00 0.00 0.00 0.00 39.50 361.50 612.50 2679.00
1975 683.00 444.50 432.00 349.00 82.50 16.00 0.00 3.50 0.00 145.50 408.50 587.50 3152.00
1976 596.00 395.00 329.00 229.50 19.50 20.00 0.00 6.00 0.00 a 53.50 288.50 601.40 a 2538.40
1977 690.00 367.50 391.50 77.00 164.50 8.50 0.00 0.00 15.50 54.00 309.00 477.00 2554.50
1978 469.00 383.50 242.50 228.62 a 48.00 0.00 0.00 0.00 b 15.00 57.72 b 441.50 703.50 2589.34
1979 641.00 475.50 313.50 174.64 b 55.00 15.50 0.00 a 0.00 0.00 87.00 379.50 547.50 2689.14
1980 519.50 349.00 335.00 170.50 86.50 22.76 a 4.00 0.00 a 4.66 a 110.10 b 336.00 586.00 2524.02
1981 562.00 353.50 349.50 142.50 50.50 0.52 a 0.00 0.00 8.00 152.00 275.00 512.00 2405.52
1982 725.00 378.50 371.00 208.00 41.50 36.00 0.00 0.00 17.00 95.00 484.00 584.00 2940.00
1983 685.00 372.00 310.50 252.00 100.00 5.50 8.00 0.00 3.50 76.00 445.50 566.00 2824.00
1984 649.00 424.50 180.50 186.00 41.00 9.00 0.00 0.00 2.00 177.50 425.00 651.50 2746.00
1985 749.00 411.00 429.50 102.00 0.00 z 11.50 0.00 0.00 33.00 139.50 484.50 737.00 3097.00
1986 463.00 302.50 224.00 203.50 97.50 16.00 3.00 1.00 80.50 i 24.00 s 252.50 573.50 2136.50
1987 619.50 390.50 0.00 z 75.50 69.75 a 0.00 z 13.50 3.00 2.50 54.50 386.00 616.50 2231.25
1988 638.50 392.50 274.50 209.50 166.50 63.00 0.00 15.00 56.50 187.00 382.00 584.50 2969.50
1989 457.00 k 571.50 409.50 196.50 151.50 0.00 z 6.00 12.00 111.50 182.50 358.50 713.00 2712.50
1990 538.50 514.50 322.50 103.00 80.00 18.62 a 0.00 10.50 1.50 36.00 363.50 777.50 2766.12
1991 621.00 317.00 461.00 254.50 122.00 18.50 0.00 4.00 0.00 109.00 343.50 623.00 2873.50
1992 675.00 319.50 231.50 85.00 2.50 6.00 0.00 0.00 0.00 52.00 333.50 602.00 2307.00
1993 582.50 409.00 191.00 0.00 z 41.50 16.00 0.00 0.00 10.50 57.50 423.00 682.50 2413.50
1994 650.50 0.00 z 314.00 201.50 97.00 11.00 0.00 0.00 7.00 0.00 z 433.50 595.50 2310.00
1995 416.50 290.00 286.50 154.50 81.00 17.50 0.00 0.00 0.00 25.00 151.50 182.50 n 1422.50
1996 0.00 z 198.50 o 241.00 113.50 13.00 3.00 0.00 0.00 0.00 124.50 290.00 460.50 1245.50
1997 508.00 312.50 169.00 96.00 4.50 0.00 0.00 0.00 0.00 80.50 255.00 604.00 2029.50
1998 507.50 418.50 260.00 0.00 z 140.50 7.50 0.00 0.00 11.00 95.00 333.50 664.00 2437.50
1999 616.00 438.00 392.15 a 234.64 b 38.48 b 16.61 b 0.00 a 0.00 0.00 39.27 a 262.00 531.50 2568.65
2000 466.60 b 346.93 b 277.97 a 173.28 a 107.50 16.00 0.00 3.62 a 1.00 84.50 433.93 b 531.13 a 2442.45
2001 577.38 c 431.93 a 268.00 303.50 31.50 3.50 0.00 z 0.00 a 0.00 c 34.88 c 297.50 539.50 2487.68
2002 613.50 359.50 327.50 160.50 0.00 z 0.00 0.00 0.00 2.00 71.00 300.00 480.00 2314.00
2003 443.00 395.50 262.00 162.00 f 59.70 d 0.00 0.00 0.00 0.00 7.00 366.50 464.48 a 1998.19
2004 562.50 419.50 136.50 101.50 9.50 0.00 0.00 0.00 14.50 171.50 443.00 586.00 2444.50
2005 646.50 344.50 272.50 166.50 42.00 5.00 0.00 0.00 0.00 33.00 241.00 435.00 2186.00
2006 475.50 337.00 408.00 180.50 23.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1424.50
Period of Record Statistics
MEAN 609.30 413.08 333.22 193.00 77.32 13.93 0.72 1.36 11.42 102.87 360.76 600.94 2750.40
S.D. 87.87 71.60 81.56 75.09 40.73 13.51 2.28 3.09 18.26 50.58 72.61 83.19 290.43
SKEW -0.19 0.06 -0.29 0.66 0.26 1.53 4.10 2.93 3.50 0.27 -0.43 -0.06 -0.28
MAX 770.35 572.00 487.50 440.50 166.50 63.00 13.50 15.00 111.50 217.50 484.50 777.50 3313.50
MIN 416.50 234.00 136.50 75.50 2.50 0.00 0.00 0.00 0.00 7.00 151.50 431.50 2029.50
NO YRS 55 56 57 55 56 53 56 55 55 56 58 57 37