ROCKLIN, CALIFORNIA

Monthly Total Heating Degree Days

(047516)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 197606
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 4.00 0.00 31.00 113.00 413.50 700.50 1262.00
1949 860.00 575.50 430.50 123.00 72.85 a 3.50 0.00 0.00 3.50 180.00 285.00 672.50 3206.35
1950 720.50 473.00 437.50 189.50 121.00 27.00 0.00 2.50 10.00 109.50 277.00 485.15 a 2852.65
1951 638.50 498.50 462.00 213.00 116.00 7.00 0.50 0.00 2.50 133.00 374.00 641.00 3086.00
1952 692.50 515.50 526.00 224.50 80.00 47.00 0.00 0.00 15.00 61.50 435.50 594.50 3192.00
1953 494.50 471.50 446.00 274.50 210.00 59.00 0.00 3.50 0.50 143.00 356.00 582.50 3041.00
1954 618.45 a 508.00 487.00 187.00 60.50 44.00 0.00 4.50 9.00 146.00 429.00 699.50 3192.95
1955 737.00 546.50 445.50 404.00 112.50 22.50 0.00 0.00 21.50 99.00 446.50 515.50 3350.50
1956 582.50 605.00 426.50 259.50 99.50 13.50 0.00 0.00 0.00 197.50 423.50 690.00 3297.50
1957 726.00 420.00 391.00 242.00 114.50 3.50 0.00 0.00 3.00 179.50 481.50 655.50 3216.50
1958 623.50 339.50 513.50 269.00 46.00 10.50 0.00 0.00 9.50 51.00 355.50 480.50 2698.50
1959 534.00 496.50 318.50 140.50 119.50 2.50 0.00 6.00 33.50 86.05 b 378.00 639.00 2754.05
1960 658.00 500.50 359.50 257.00 139.00 0.00 0.00 1.50 2.00 138.00 459.00 666.00 3180.50
1961 789.00 458.00 352.00 i 273.50 179.00 12.00 0.00 0.00 16.50 190.00 452.50 714.00 3084.50
1962 795.50 543.00 507.50 192.50 144.50 14.50 0.00 0.00 7.50 182.50 390.50 696.50 3474.50
1963 818.50 0.00 z 0.00 z 412.00 106.50 6.00 0.00 0.00 0.50 128.00 466.50 811.00 2749.00
1964 701.50 515.00 465.00 262.00 135.88 a 28.50 1.00 4.00 23.50 80.50 527.50 530.00 3274.38
1965 678.50 515.50 424.50 278.00 124.50 42.00 0.00 0.00 43.00 69.00 373.50 832.50 3381.00
1966 666.00 560.50 424.00 141.00 48.00 20.50 0.00 1.00 15.00 153.00 393.00 673.50 3095.50
1967 700.50 579.50 506.00 500.50 145.00 63.00 0.00 0.00 0.00 u 59.50 268.00 661.50 3483.50
1968 700.00 330.00 322.00 221.00 82.00 1.00 0.00 8.00 20.00 142.00 417.00 679.50 2922.50
1969 652.50 512.50 425.00 249.50 51.00 2.50 0.00 0.00 2.50 179.00 356.00 515.00 2945.50
1970 496.50 413.00 360.50 320.00 67.00 16.50 0.00 0.00 17.50 187.00 353.00 642.00 2873.00
1971 652.00 553.50 449.00 313.00 155.00 22.50 0.00 0.00 31.00 242.50 425.00 703.50 3547.00
1972 779.00 468.50 265.50 234.50 77.00 14.00 0.00 0.00 30.00 177.50 503.50 805.50 3355.00
1973 673.00 395.00 477.50 188.50 33.50 1.50 0.00 0.00 7.50 160.00 426.50 573.00 2936.00
1974 628.50 531.00 396.00 322.00 98.50 1.00 10.00 0.00 0.00 86.50 445.00 687.00 3205.50
1975 753.00 471.50 459.50 405.50 89.00 11.00 0.00 5.00 0.00 198.50 443.00 612.00 3448.00
1976 629.50 446.00 424.50 281.50 6.00 l 3.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1781.50
Period of Record Statistics
MEAN 678.53 490.46 428.85 263.52 104.73 18.39 0.55 1.29 13.17 138.31 405.52 648.52 3146.93
S.D. 89.32 68.14 63.64 87.62 42.46 18.15 2.01 2.25 12.37 50.49 63.75 91.22 230.66
SKEW -0.18 -0.69 -0.75 0.80 0.41 1.11 4.11 1.60 0.75 -0.10 -0.46 -0.05 -0.23
MAX 860.00 605.00 526.00 500.50 210.00 63.00 10.00 8.00 43.00 242.50 527.50 832.50 3547.00
MIN 494.50 330.00 265.50 123.00 33.50 0.00 0.00 0.00 0.00 51.00 268.00 480.50 2698.50
NO YRS 28 27 26 28 27 27 28 28 27 28 28 28 24