LODI, CALIFORNIA

Monthly Total Heating Degree Days

(045032)

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 16.00 1.00 73.50 193.50 489.50 737.50 1511.00
1949 868.50 568.00 401.50 147.50 102.00 8.50 8.00 33.50 43.50 206.00 260.50 632.73 c 3280.23
1950 634.97 b 405.50 373.50 145.50 128.00 38.50 0.00 0.50 15.50 94.50 224.50 458.50 2519.47
1951 589.50 447.00 412.50 247.50 102.50 13.00 6.00 6.00 30.50 141.50 348.50 624.00 2968.50
1952 515.00 h 492.00 507.22 b 225.50 89.00 76.50 0.00 2.50 19.00 116.00 462.00 569.50 2559.22
1953 461.00 460.50 406.50 256.00 194.00 62.50 0.00 23.50 25.00 201.50 351.50 573.00 3015.00
1954 585.50 471.00 474.00 155.00 62.00 42.50 0.00 10.00 33.50 163.50 436.00 645.00 3078.00
1955 727.00 522.50 381.50 363.50 107.00 32.50 4.50 0.50 18.62 a 109.00 444.00 487.00 3197.62
1956 542.00 563.00 388.50 239.50 88.00 11.50 0.00 1.00 0.00 173.00 397.00 636.50 3040.00
1957 675.50 377.00 340.50 190.50 100.50 3.00 0.00 8.00 8.00 189.50 435.50 610.50 2938.50
1958 581.00 319.50 464.50 224.00 47.50 7.50 4.50 0.00 8.00 68.00 344.50 494.50 2563.50
1959 520.50 464.00 268.00 87.50 82.50 1.50 0.00 2.50 24.50 74.50 375.50 603.00 2504.00
1960 563.50 398.00 255.00 182.00 84.00 1.00 0.00 0.00 3.00 104.00 359.00 624.00 2573.50
1961 684.50 360.00 360.00 173.00 111.00 9.00 0.00 0.00 8.00 139.00 413.50 648.50 2906.50
1962 735.00 495.00 437.00 138.00 111.00 12.00 0.00 1.50 6.00 146.00 347.00 625.00 3053.50
1963 767.00 250.50 435.00 351.00 107.00 7.00 0.50 0.00 1.00 102.00 426.50 767.00 3214.50
1964 637.00 497.50 424.00 214.00 139.00 46.00 4.00 6.50 29.00 77.00 461.50 465.50 3001.00
1965 612.50 454.00 354.00 223.50 88.00 46.00 0.00 0.00 44.00 63.00 337.00 740.50 2962.50
1966 621.50 491.50 328.00 92.00 37.00 23.50 6.50 1.00 7.50 89.50 311.50 590.00 2599.50
1967 590.00 479.50 397.00 435.00 104.50 44.50 0.00 0.00 0.00 55.00 258.00 660.00 3023.50
1968 669.00 284.50 292.00 165.50 80.50 1.00 0.00 5.50 7.00 132.78 a 375.00 640.00 2652.78
1969 641.50 497.50 376.50 204.00 35.00 13.00 0.00 0.00 3.50 167.00 359.50 529.50 2827.00
1970 466.50 354.50 300.50 280.00 59.50 12.00 0.00 0.00 10.00 163.50 317.00 593.50 2557.00
1971 628.50 504.50 410.00 265.00 119.00 26.50 0.00 0.00 32.50 211.50 405.00 664.50 3267.00
1972 752.50 403.00 197.50 180.00 67.00 8.50 0.00 0.50 7.50 124.50 444.00 716.00 2901.00
1973 605.50 357.50 412.50 132.00 29.00 4.50 0.50 1.00 0.50 109.50 401.00 579.50 2633.00
1974 582.00 458.00 331.00 237.00 74.00 3.50 4.00 0.00 0.00 52.00 357.50 585.00 2684.00
1975 669.00 396.00 378.00 318.50 59.50 1.00 0.50 0.00 0.00 151.00 415.00 578.67 a 2967.17
1976 565.75 a 373.00 290.00 164.50 4.00 7.50 0.00 0.50 0.00 39.00 238.50 535.00 2217.75
1977 618.00 308.00 333.00 59.00 180.50 9.00 0.00 0.00 b 15.00 71.00 362.50 461.00 2417.00
1978 408.00 208.00 l 213.38 a 267.32 b 58.50 0.00 3.62 a 3.50 26.00 98.50 466.50 727.50 2272.82
1979 600.50 432.50 310.50 214.00 66.00 2.50 0.50 0.00 0.00 0.00 z 396.00 577.00 2599.50
1980 525.50 374.50 380.00 195.00 111.50 33.50 0.50 1.50 5.69 a 134.33 a 363.00 582.00 2707.02
1981 525.00 356.00 365.00 200.00 60.50 1.50 0.00 0.00 12.50 172.00 286.50 504.00 2483.00
1982 738.00 399.50 414.00 259.00 65.00 48.00 4.00 1.00 39.00 130.00 501.00 620.00 3218.50
1983 633.50 347.50 293.00 256.50 93.50 1.00 1.50 0.00 1.00 25.50 375.00 423.50 2451.50
1984 562.00 440.00 247.00 228.50 38.00 9.50 2.00 0.00 5.50 180.50 425.50 650.50 2789.00
1985 729.50 438.00 444.00 97.50 66.00 10.50 0.00 0.00 27.00 151.00 466.50 740.00 3170.00
1986 442.00 322.50 220.50 191.50 80.00 8.00 0.50 0.00 92.00 110.00 369.00 642.50 2478.50
1987 675.50 432.00 395.50 118.00 80.50 16.50 12.50 6.50 24.00 75.00 416.00 628.50 2880.50
1988 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 0.00 z 0.00 z 359.00 614.50 975.50
1989 698.50 496.50 340.00 132.50 95.50 4.00 0.00 1.00 23.00 139.50 407.50 752.00 3090.00
1990 614.50 173.00 t 356.50 124.50 0.00 z 10.50 0.00 1.50 0.50 85.00 421.50 796.00 2410.50
1991 589.00 311.50 455.00 239.50 119.00 19.50 0.00 1.00 k 0.00 89.50 314.00 376.50 k 2137.00
1992 694.00 333.00 270.50 109.00 4.50 9.50 0.00 z 0.00 z 0.00 43.00 341.00 573.00 2377.50
1993 555.00 386.50 198.00 123.50 26.00 19.00 0.00 0.00 10.00 20.50 361.50 652.00 2352.00
1994 597.00 268.50 m 195.00 i 143.50 54.50 3.00 0.00 0.00 0.50 112.00 505.50 630.00 2046.00
1995 414.00 334.50 347.00 190.50 93.50 26.00 0.00 0.00 4.00 55.00 208.00 463.50 2136.00
1996 532.50 322.00 269.00 158.50 46.50 1.50 0.00 0.00 8.00 158.50 339.50 453.50 2289.50
1997 502.00 0.00 z 212.50 131.00 12.00 0.00 0.00 0.00 z 0.00 97.00 267.50 601.50 1823.50
1998 484.00 402.00 303.50 224.00 182.00 12.50 0.00 0.00 12.00 127.00 375.50 681.00 2803.50
1999 605.00 442.50 402.00 234.00 74.00 k 0.00 t 0.00 0.00 0.00 56.00 292.50 565.00 2597.00
2000 472.23 a 344.00 266.60 a 105.50 75.50 3.62 a 0.00 0.00 z 5.17 a 110.00 474.00 566.50 2423.13
2001 614.32 a 428.50 228.88 a 232.50 8.50 0.00 0.00 0.00 0.50 51.48 c 301.03 a 502.20 a 2367.92
2002 619.00 382.50 333.50 0.00 z 0.00 z 0.00 z 0.00 0.00 0.50 119.50 313.50 475.00 2243.50
2003 447.50 388.50 255.50 221.50 73.00 1.50 0.00 0.00 0.00 23.00 393.00 486.50 2290.00
2004 546.00 408.00 133.50 115.00 16.50 0.00 0.00 0.00 11.50 125.00 391.50 547.50 2294.50
2005 574.00 326.00 228.50 172.50 34.50 8.50 0.00 0.00 9.00 64.50 303.50 479.00 2200.00
2006 492.50 377.50 435.55 a 216.21 a 38.23 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1559.99
Period of Record Statistics
MEAN 597.95 409.03 340.15 196.38 77.62 15.24 1.43 2.27 13.89 112.16 372.29 596.65 2745.88
S.D. 94.56 71.68 83.06 72.50 42.38 17.46 3.16 5.75 18.12 49.73 69.64 89.04 327.86
SKEW 0.21 0.13 -0.30 0.75 0.55 1.61 2.89 4.06 2.23 0.09 -0.24 0.10 -0.11
MAX 868.50 568.00 507.22 435.00 194.00 76.50 16.00 33.50 92.00 211.50 505.50 796.00 3280.23
MIN 408.00 250.50 133.50 59.00 4.00 0.00 0.00 0.00 0.00 20.50 208.00 423.50 2136.00
NO YRS 56 53 56 56 54 54 56 54 57 56 58 57 45