LAKEPORT, CALIFORNIA

Monthly Total Heating Degree Days

(044701)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200106
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
1941 363.50 j 430.08 c 419.00 348.10 a 171.00 63.50 0.00 b 10.00 55.18 b 194.00 407.50 644.50 2742.86
1942 701.50 550.00 558.00 337.20 e 83.50 l 60.00 0.00 1.50 29.50 171.00 493.00 575.00 3476.70
1943 0.00 z 0.00 z 409.00 0.00 z 0.00 z 0.00 z 0.00 z 3.50 5.00 193.00 h 422.50 641.50 1481.50
1944 741.00 568.00 434.00 421.50 164.50 84.31 a 0.00 2.50 0.00 z 33.00 x 516.50 611.00 3543.31
1945 649.00 474.00 606.50 300.00 204.00 44.00 0.00 1.50 0.00 j 153.50 471.50 636.00 3540.00
1946 702.00 619.00 503.50 321.50 149.83 a 93.10 a 2.00 i 0.00 z 2.00 276.50 523.50 611.50 3802.44
1947 707.00 442.50 381.00 192.50 58.50 71.00 7.00 11.00 26.50 224.50 499.50 680.00 3301.00
1948 629.50 625.50 582.00 451.50 288.00 41.00 17.50 0.50 72.00 174.50 502.50 792.50 4177.00
1949 911.50 643.50 539.40 a 236.00 179.50 25.50 4.50 3.50 16.00 271.50 0.00 z 718.00 3548.90
1950 892.00 618.50 594.50 379.00 200.00 77.00 0.00 0.50 46.50 209.25 a 373.50 589.50 3980.25
1951 762.50 608.00 580.00 303.50 188.00 24.50 7.50 11.00 19.50 217.50 511.50 788.00 4021.50
1952 831.50 664.00 661.50 287.00 151.00 107.00 0.00 0.00 17.50 109.53 a 611.00 729.00 4169.03
1953 623.00 565.50 594.50 396.00 357.00 192.00 5.50 52.00 22.00 278.00 496.00 0.00 z 3581.50
1954 416.50 m 452.50 573.00 239.50 115.50 110.50 0.00 40.00 64.00 244.38 a 368.50 i 696.50 2535.88
1955 769.00 591.50 514.50 497.50 186.00 55.00 19.50 0.50 47.50 184.00 499.50 591.00 3955.50
1956 627.50 618.00 426.50 329.50 172.00 58.00 9.50 8.50 54.00 268.15 a 0.00 z 689.50 3261.15
1957 798.50 488.50 478.50 319.50 209.00 22.00 0.00 z 11.50 36.00 320.00 510.50 644.50 3838.50
1958 681.50 444.00 613.00 360.00 100.50 59.00 4.50 0.00 54.00 139.50 440.50 567.50 3464.00
1959 0.00 z 576.00 406.00 191.50 205.00 37.00 1.00 13.00 67.50 b 127.00 406.00 667.50 2697.50
1960 694.50 552.50 379.50 368.50 221.13 a 0.50 0.00 4.43 c 0.00 184.00 494.50 596.00 3495.56
1961 574.50 461.00 518.50 292.50 279.50 37.24 a 10.50 0.50 44.00 230.00 492.00 670.00 3610.24
1962 633.50 552.50 564.50 237.00 249.00 34.00 0.00 a 6.00 33.62 a 188.00 422.00 595.00 3515.12
1963 727.50 351.00 551.50 486.50 144.00 31.50 6.00 3.50 14.50 196.50 509.50 667.50 3689.50
1964 732.00 537.00 534.50 336.00 200.00 52.50 0.00 2.00 33.50 141.00 558.50 604.00 3731.00
1965 632.00 522.50 452.50 332.50 170.00 39.50 0.00 0.00 56.00 128.00 470.00 790.50 3593.50
1966 704.00 615.50 480.50 218.00 79.00 47.50 8.50 3.00 33.00 188.50 443.00 662.50 3483.00
1967 693.00 511.00 601.50 640.50 181.00 54.50 0.00 0.00 0.00 184.00 405.50 762.50 4033.50
1968 755.00 460.00 440.50 282.50 170.50 18.50 0.00 18.00 27.00 221.50 491.00 767.00 3651.50
1969 750.00 651.50 499.00 363.00 81.00 25.50 0.00 0.00 14.00 273.50 472.50 564.00 3694.00
1970 582.50 460.00 433.00 440.00 107.00 29.00 0.00 0.00 24.50 222.00 429.00 714.50 3441.50
1971 648.50 497.00 534.00 404.00 216.50 36.50 1.50 4.00 61.00 308.50 538.00 801.00 4050.50
1972 739.50 533.00 360.50 380.00 140.50 29.50 0.00 9.00 59.00 269.50 534.50 824.50 3879.50
1973 768.50 518.50 580.00 274.50 93.00 30.00 0.00 13.50 27.00 242.50 531.00 644.00 3722.50
1974 735.00 610.50 503.00 363.50 169.00 17.50 19.00 2.00 2.50 230.50 566.00 718.50 3937.00
1975 759.00 623.00 530.00 506.00 142.00 28.50 12.50 4.00 0.50 270.50 552.00 627.00 4055.00
1976 676.50 537.50 533.50 406.00 95.00 61.50 3.50 28.50 21.50 142.00 360.50 666.50 3532.50
1977 700.50 440.00 567.50 237.50 323.50 9.50 1.50 1.00 48.00 161.00 462.50 573.00 3525.50
1978 572.50 476.00 351.50 406.50 146.50 19.50 4.50 10.50 61.00 110.50 538.00 770.50 3467.50
1979 710.33 b 572.50 441.00 352.00 130.00 21.50 0.50 1.00 6.00 177.00 500.50 632.50 3544.83
1980 610.00 461.41 a 494.50 299.00 185.50 96.00 6.00 0.00 29.50 205.00 446.50 625.50 3458.91
1981 593.00 461.50 475.00 287.00 127.50 20.50 0.00 0.50 38.50 274.00 411.50 549.00 3238.00
1982 762.00 506.50 561.00 416.00 94.00 44.50 4.00 24.00 365.00 0.00 z 273.50 o 668.50 3445.50
1983 0.00 z 0.00 z 0.00 z 448.50 197.50 41.00 37.00 5.00 21.50 117.00 479.50 572.50 1919.50
1984 566.50 526.00 369.00 384.00 0.00 z 10.50 o 0.00 0.00 z 22.50 306.00 497.50 717.00 3388.50
1985 665.50 0.00 z 563.50 198.00 0.00 z 23.50 0.00 0.00 z 70.50 0.00 z 635.00 647.00 2803.00
1986 0.00 z 426.50 327.50 310.00 0.00 z 18.50 0.00 0.00 160.86 a 161.00 382.00 643.00 2429.36
1987 689.75 a 505.00 516.00 171.00 105.50 20.00 16.02 a 0.00 10.00 0.00 z 458.50 0.00 z 2491.77
1988 0.00 z 427.00 403.52 a 292.00 0.00 z 108.00 0.00 z 0.50 0.00 z 0.00 z 488.00 432.00 h 1719.02
1989 481.50 j 652.00 471.00 227.00 141.50 i 15.00 1.03 a 12.50 36.50 0.00 z 236.50 n 424.00 k 1415.03
1990 472.50 i 406.00 j 411.50 142.50 i 147.50 i 45.50 i 0.50 j 7.50 7.50 k 79.50 i 353.50 j 527.00 k 419.00
1991 450.00 i 242.00 k 445.00 j 385.50 183.50 i 35.50 j 0.00 i 2.00 l 3.50 k 97.00 i 221.50 m 430.50 j 385.50
1992 485.50 i 276.00 j 288.50 i 224.00 37.50 k 51.50 5.50 i 0.00 j 14.50 i 76.00 i 309.00 j 499.00 i 275.50
1993 450.00 l 398.50 i 362.50 363.00 118.50 m 93.50 0.50 i 4.00 i 20.50 j 83.00 j 244.00 m 382.50 n 819.00
1994 384.50 m 373.50 j 276.50 i 187.00 j 96.50 k 45.50 i 0.00 l 0.00 l 16.50 i 146.50 n 404.00 k 443.00 m 0.00
1995 371.00 k 222.00 m 527.00 156.00 q 144.50 k 62.50 j 5.50 k 6.50 14.50 j 62.50 o 195.00 k 312.00 m 533.50
1996 410.50 k 278.00 l 293.50 j 345.00 157.00 18.50 k 1.50 i 1.50 m 0.00 z 76.00 v 234.50 m 337.50 m 502.00
1997 447.50 i 513.50 0.00 z 300.50 44.50 j 20.50 p 7.50 l 1.00 m 18.50 j 126.00 l 403.50 451.00 j 1217.50
1998 391.50 k 581.50 464.00 188.00 o 218.00 n 23.50 l 0.00 i 0.00 l 11.50 j 149.00 j 246.50 o 404.50 m 1045.50
1999 374.50 m 392.00 j 435.00 h 242.00 k 101.50 n 62.00 j 2.00 l 6.50 j 7.00 i 79.00 k 216.00 l 406.50 k 0.00
2000 369.00 m 338.00 j 337.00 h 154.50 k 136.00 i 24.00 j 4.00 m 0.00 i 12.50 k 145.00 k 319.00 l 352.00 m 0.00
2001 490.00 j 395.00 i 234.50 i 269.00 i 24.50 i 21.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 700.06 531.72 493.79 337.52 169.87 48.58 4.63 7.05 42.53 207.02 481.28 665.48 3704.08
S.D. 80.18 74.86 81.07 91.79 64.01 34.63 7.45 10.47 56.12 57.95 59.83 73.09 265.86
SKEW 0.46 -0.07 -0.20 0.59 0.80 1.76 2.36 2.57 4.40 0.12 0.14 0.48 0.28
MAX 911.50 664.00 661.50 640.50 357.00 192.00 37.00 52.00 365.00 320.00 635.00 824.50 4177.00
MIN 566.50 351.00 327.50 171.00 58.50 0.50 0.00 0.00 0.00 109.53 360.50 549.00 3238.00
NO YRS 41 48 52 53 43 49 45 48 46 42 45 45 29