STOCKTON WSO, CALIFORNIA

Monthly Total Heating Degree Days

(048558)

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 z 0.00 z 0.00 z 103.00 404.50 685.00 1192.50
1949 833.50 542.00 383.50 114.50 73.50 1.50 0.00 0.00 7.50 152.50 284.00 663.00 3055.50
1950 682.50 413.00 384.00 146.00 103.50 24.50 0.00 0.00 11.00 81.50 220.50 459.00 2525.50
1951 599.00 433.00 381.50 220.50 88.00 11.00 2.50 1.00 4.00 97.00 298.50 594.50 2730.50
1952 590.50 432.50 426.00 152.50 41.50 20.50 0.00 0.00 7.00 26.50 403.50 541.50 2642.00
1953 433.00 387.00 346.50 189.00 119.00 23.00 0.00 1.50 1.50 118.50 340.50 563.50 2523.00
1954 576.50 467.50 469.50 136.50 37.00 33.50 0.00 4.00 7.00 120.50 438.00 668.50 2958.50
1955 747.50 534.00 391.00 357.00 107.50 18.00 3.50 0.00 11.50 83.50 409.50 481.00 3144.00
1956 522.50 554.50 364.00 218.00 67.00 14.00 1.00 0.00 0.00 160.50 375.00 626.50 2903.00
1957 687.50 356.00 311.00 180.50 79.50 1.50 0.00 3.50 2.50 114.00 407.00 606.00 2749.00
1958 585.00 306.00 434.00 182.50 26.50 5.00 0.50 0.00 5.00 33.50 292.50 461.50 2332.00
1959 491.50 431.00 230.50 52.50 70.50 0.00 0.00 2.50 8.00 42.50 337.00 577.00 2243.00
1960 572.00 413.50 268.00 149.00 59.50 0.00 0.00 0.00 0.00 81.00 385.00 649.50 2577.50
1961 708.50 380.50 374.50 166.00 106.50 5.50 0.00 0.00 1.00 92.00 370.00 647.00 2851.50
1962 737.50 480.00 423.00 94.50 68.00 1.50 0.00 0.00 0.00 115.50 304.50 619.50 2844.00
1963 761.00 251.00 428.00 348.00 82.00 1.00 0.00 0.00 0.00 64.50 424.50 801.50 3161.50
1964 659.50 513.50 413.50 193.50 99.00 23.00 0.00 6.50 9.50 53.00 462.50 461.50 2895.00
1965 600.50 435.50 326.00 203.50 54.00 11.50 0.00 0.00 16.00 41.00 336.00 762.00 2786.00
1966 649.50 504.00 341.00 84.50 17.50 10.00 0.00 0.00 6.00 50.00 279.00 562.00 2503.50
1967 583.50 473.50 408.50 448.00 82.50 34.00 0.00 0.00 0.00 27.00 277.00 693.50 3027.50
1968 696.50 323.50 338.50 189.00 91.00 7.50 0.00 4.50 2.00 80.00 394.00 714.50 2841.00
1969 657.00 522.50 411.00 216.00 27.50 2.00 0.00 0.00 0.00 154.50 356.00 522.00 2868.50
1970 492.00 385.50 327.50 259.00 50.00 5.50 0.00 0.00 0.00 112.00 289.00 569.50 2490.00
1971 624.50 483.50 368.50 224.50 83.00 11.00 0.00 0.00 20.50 180.00 389.00 685.50 3070.00
1972 758.00 402.00 169.00 171.00 55.50 4.00 0.00 0.00 0.00 115.00 452.00 714.00 2840.50
1973 611.00 353.50 426.50 124.00 13.00 2.50 0.00 0.00 0.00 94.00 353.00 542.50 2520.00
1974 548.50 461.50 316.00 203.00 51.00 0.00 0.00 0.00 0.00 63.00 408.00 646.50 2697.50
1975 725.00 441.00 425.50 342.50 60.50 7.00 0.00 1.50 0.00 144.00 427.00 629.00 3203.00
1976 619.50 414.00 419.00 347.50 45.50 9.00 0.00 0.00 0.00 31.50 264.50 590.00 2740.50
1977 659.00 332.50 356.00 44.00 106.00 0.50 0.00 0.00 2.00 43.00 292.00 457.50 2292.50
1978 454.50 366.50 198.50 219.00 17.00 0.00 0.00 0.00 4.00 36.50 407.50 722.00 2425.50
1979 610.50 389.50 268.00 133.50 28.00 0.00 0.00 0.00 0.00 61.50 344.50 528.50 2364.00
1980 483.50 304.50 349.00 146.00 57.50 4.50 0.00 0.00 5.00 110.50 316.00 620.00 2396.50
1981 520.50 347.00 340.50 143.50 26.00 0.00 0.00 0.00 0.00 122.50 271.00 486.00 2257.00
1982 717.00 409.50 413.00 232.50 37.50 14.00 0.00 0.00 10.00 77.00 461.50 614.00 2986.00
1983 646.50 349.50 303.50 260.50 73.00 0.00 0.00 0.00 0.00 13.00 372.00 458.00 2476.00
1984 605.00 463.50 241.00 209.00 22.50 4.00 0.00 0.00 0.00 141.50 389.50 652.50 2728.50
1985 732.50 414.50 475.50 108.50 70.00 8.50 0.00 0.00 23.50 114.00 440.00 741.50 3128.50
1986 433.50 306.50 230.50 180.00 65.50 0.00 0.00 0.00 43.00 54.00 279.50 594.00 2186.50
1987 622.00 386.00 331.00 78.00 39.50 0.00 0.50 0.00 0.00 17.50 367.00 557.50 2399.00
1988 563.00 367.50 240.00 140.50 99.50 27.50 0.00 0.00 2.50 43.00 333.00 615.00 2431.50
1989 662.50 487.50 275.50 98.00 43.00 3.00 0.00 0.00 7.00 99.00 339.50 707.50 2722.50
1990 573.00 493.50 278.00 69.50 46.50 2.50 0.00 0.00 0.00 a 21.50 344.50 748.00 2577.00
1991 560.00 291.50 414.50 204.00 100.50 7.50 0.00 0.00 0.00 81.00 262.00 594.00 2515.00
1992 687.00 298.50 246.00 64.00 0.00 2.50 0.00 0.00 0.00 22.00 312.50 643.50 2276.00
1993 601.00 410.50 184.50 147.50 28.50 15.50 0.00 0.00 4.00 16.00 353.50 636.00 2397.00
1994 588.50 448.00 223.00 137.50 61.00 0.00 0.00 0.00 0.00 55.00 476.00 632.50 2621.50
1995 379.50 316.50 301.50 153.50 76.50 20.00 0.00 0.00 0.00 21.00 146.00 450.00 1864.50
1996 510.00 316.00 252.50 120.50 4.50 0.00 0.00 0.00 0.00 130.00 327.50 466.00 2127.00
1997 521.50 382.50 253.50 118.50 8.00 0.50 0.00 0.00 0.00 101.00 280.00 639.50 2305.00
1998 512.00 432.50 346.00 247.50 177.50 9.50 0.00 0.00 11.50 141.50 376.50 710.50 2965.00
1999 636.50 467.00 437.00 244.50 79.50 25.50 0.00 0.00 0.00 48.50 301.50 581.00 2821.00
2000 475.50 374.50 317.50 135.50 64.00 1.00 0.00 0.50 1.50 152.00 497.00 581.50 2600.50
2001 626.00 452.00 255.50 280.00 0.00 0.00 0.00 0.00 0.00 51.50 281.50 523.00 2469.50
2002 651.00 412.00 380.00 186.50 61.00 0.00 0.00 0.00 3.50 118.00 344.00 519.50 2675.50
2003 486.50 441.50 296.50 308.00 84.50 0.50 0.00 0.00 0.00 29.50 428.50 513.50 2589.00
2004 590.00 444.00 202.50 129.50 21.50 0.50 0.00 0.00 15.00 132.00 413.50 551.00 2499.50
2005 581.00 332.00 257.50 196.00 37.00 4.50 0.00 0.00 0.00 38.50 274.00 437.00 2157.50
2006 484.50 383.00 445.50 209.50 19.50 0.00 0.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1542.00
Period of Record Statistics
MEAN 602.18 408.88 334.81 183.76 58.87 7.58 0.14 0.45 4.43 81.44 351.95 598.58 2631.19
S.D. 94.43 69.96 79.24 81.72 34.53 9.24 0.58 1.28 7.56 44.86 69.41 90.18 297.74
SKEW -0.02 -0.02 -0.21 0.87 0.58 1.31 4.75 3.19 2.92 0.22 -0.22 0.02 -0.06
MAX 833.50 554.50 475.50 448.00 177.50 34.00 3.50 6.50 43.00 180.00 497.00 801.50 3203.00
MIN 379.50 251.00 169.00 44.00 0.00 0.00 0.00 0.00 0.00 13.00 146.00 437.00 1864.50
NO YRS 58 58 58 58 58 58 57 57 57 58 58 58 57