ALDERPOINT, CALIFORNIA

Monthly Total Heating Degree Days

(040088)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 198005
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 10.52 c 70.00 166.00 480.00 720.50 1447.02
1949 822.00 584.50 485.00 200.50 162.50 0.00 z 0.00 z 0.00 z 22.50 p 310.00 351.50 717.00 3633.00
1950 810.02 d 446.50 259.50 n 0.00 z 151.50 h 86.50 0.00 0.00 35.00 177.50 332.00 466.00 2353.52
1951 630.50 482.50 470.00 224.50 138.50 16.50 0.50 1.00 6.00 202.50 414.00 651.50 3238.00
1952 717.50 310.00 l 556.00 229.00 139.00 82.50 0.00 0.00 8.00 67.00 493.00 582.00 2874.00
1953 486.50 445.00 481.50 336.50 274.50 160.50 15.50 12.50 10.50 220.00 350.00 618.50 3411.50
1954 645.50 435.50 490.00 238.00 142.00 131.00 11.00 20.50 64.50 237.50 402.50 665.00 3483.00
1955 710.00 567.00 488.00 481.00 227.00 62.50 33.30 d 1.50 80.50 190.50 480.00 559.50 3880.80
1956 582.00 654.50 490.00 299.00 172.50 70.00 2.00 3.00 31.00 249.50 481.50 703.50 3738.50
1957 779.50 443.50 456.50 290.00 194.00 33.50 1.50 8.00 20.50 220.50 488.00 603.00 3538.50
1958 608.00 399.00 516.50 311.00 60.50 18.50 0.00 0.00 a 44.50 115.22 a 365.00 482.00 2920.22
1959 585.50 531.00 374.00 192.00 214.00 41.00 0.00 0.00 51.50 152.00 455.00 690.50 3286.50
1960 646.00 477.50 346.50 324.00 234.00 18.00 2.07 a 16.00 17.50 170.50 423.00 588.50 3263.57
1961 580.00 438.50 465.50 286.50 225.50 33.00 5.50 0.00 d 0.00 z 219.77 c 483.00 613.00 3350.27
1962 672.59 c 503.00 498.00 214.50 217.00 59.00 10.50 7.00 21.00 201.50 404.00 539.00 3347.09
1963 700.50 280.50 454.00 407.00 159.50 68.50 14.00 6.50 11.00 216.00 436.00 604.50 3358.00
1964 676.00 509.50 505.50 372.50 230.50 68.50 9.09 b 5.00 44.00 107.50 507.50 448.00 f 3035.59
1965 582.50 477.00 375.50 218.00 k 231.50 106.50 8.50 3.00 38.50 113.50 375.00 676.50 2988.00
1966 612.50 538.00 420.64 b 201.00 146.50 81.00 12.50 15.50 30.00 182.00 373.00 537.00 3149.64
1967 603.50 426.00 543.07 d 538.00 168.00 42.93 a 1.50 0.50 1.50 136.00 301.50 706.50 3469.01
1968 655.00 336.50 395.00 313.50 210.50 65.50 0.00 32.50 48.50 206.50 425.50 671.00 3360.00
1969 669.00 593.50 465.50 373.00 141.10 b 21.00 r 0.00 g 4.50 14.50 244.00 395.00 528.50 3428.60
1970 538.00 407.00 426.50 442.50 170.50 62.00 0.00 0.50 59.50 221.00 376.50 649.00 3353.00
1971 631.00 513.00 533.50 402.00 237.50 71.00 7.50 6.50 84.50 307.50 460.50 755.50 4010.00
1972 705.00 508.00 352.50 387.50 174.00 62.00 0.50 9.00 75.00 207.00 456.00 807.00 3743.50
1973 701.00 468.50 547.50 320.50 144.50 63.75 b 9.30 a 24.00 40.50 235.00 525.50 0.00 z 3080.05
1974 0.00 z 0.00 z 0.00 z 0.00 z 218.03 a 24.00 g 22.45 b 0.00 g 2.00 173.00 f 428.79 a 432.00 f 671.27
1975 622.50 418.50 g 0.00 z 325.00 i 182.50 53.00 14.98 a 6.56 e 7.22 c 274.35 a 489.60 e 550.25 e 2200.96
1976 630.33 a 0.00 z 349.50 i 201.50 q 102.00 j 77.59 a 1.50 q 26.00 j 23.08 d 142.00 285.56 c 661.33 d 1819.89
1977 399.00 j 385.00 513.05 a 263.28 a 260.00 k 16.00 i 26.57 c 7.46 d 73.00 159.00 j 301.00 m 547.67 a 1816.03
1978 503.00 0.00 z 343.00 449.50 231.50 21.00 f 19.24 b 24.50 111.50 149.50 510.00 736.00 3077.74
1979 495.50 h 507.23 b 374.98 e 331.07 b 167.29 b 72.32 b 10.50 11.00 2.59 a 176.59 c 457.50 574.00 2685.07
1980 569.92 e 387.50 500.50 301.50 243.98 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2003.40
Period of Record Statistics
MEAN 643.98 472.05 459.58 323.31 188.22 65.66 8.52 8.17 37.58 193.95 426.00 627.73 3444.17
S.D. 80.53 80.96 64.12 91.14 45.81 32.57 8.94 8.54 29.17 56.88 63.58 84.26 273.02
SKEW 0.32 -0.06 -0.46 0.47 -0.49 0.93 1.05 1.22 0.65 -0.03 -0.44 0.04 0.40
MAX 822.00 654.50 556.00 538.00 274.50 160.50 33.30 32.50 111.50 310.00 525.50 807.00 4010.00
MIN 486.50 280.50 343.00 192.00 60.50 16.50 0.00 0.00 1.50 67.00 285.56 466.00 2920.22
NO YRS 29 27 28 27 29 26 28 29 30 30 31 29 17