BROOKS FARNHAM RANCH, CALIFORNIA

Monthly Total Heating Degree Days

(041112)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 198511
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 7.75 a 3.44 d 39.50 f 126.07 a 409.00 739.50 1285.76
1949 857.15 a 567.50 432.00 177.50 74.50 13.00 0.00 1.50 6.50 j 196.69 b 296.00 670.52 d 3286.36
1950 587.50 f 473.00 448.00 176.90 a 118.00 42.50 0.00 f 4.65 a 22.22 c 134.50 280.50 505.82 a 2206.09
1951 657.41 b 491.00 426.00 222.93 a 103.85 a 16.11 c 2.38 e 4.81 b 1.50 132.78 a 364.04 d 612.50 3035.32
1952 713.00 b 495.79 c 507.88 a 221.50 97.28 b 60.52 a 0.00 0.53 b 16.61 b 95.00 500.00 c 602.43 a 3310.54
1953 456.96 d 455.50 434.50 275.00 225.94 e 51.50 0.00 f 7.00 g 3.33 c 167.40 a 379.50 516.84 b 2966.48
1954 605.05 c 455.00 492.50 187.50 53.22 a 21.50 f 0.00 f 3.32 c 17.40 e 169.98 a 404.44 c 706.91 c 3095.33
1955 730.16 c 521.63 a 420.00 372.60 e 87.46 c 10.50 l 0.00 l 0.00 8.33 c 79.10 b 420.56 c 522.72 b 3162.57
1956 589.00 b 593.94 c 390.17 b 251.11 c 88.35 a 9.31 a 0.00 b 0.00 j 3.60 e 157.00 i 272.50 i 450.50 i 1925.49
1957 717.77 e 292.00 i 366.50 164.50 h 95.98 e 0.60 e 0.00 d 4.77 e 8.08 d 182.68 c 368.50 f 379.00 l 1376.37
1958 343.50 n 270.00 g 512.10 e 194.50 f 38.75 c 8.65 d 0.50 h 0.00 q 1.50 n 19.00 i 240.50 h 355.00 f 559.50
1959 434.00 f 494.15 a 311.00 90.00 f 94.00 f 1.50 f 0.00 i 5.54 c 13.00 k 21.50 p 161.50 n 440.00 i 810.68
1960 642.65 e 473.67 b 313.00 256.50 104.00 h 0.00 n 0.00 t 0.00 h 0.50 f 21.00 k 124.00 q 250.00 q 1685.82
1961 507.50 g 415.50 430.26 b 242.00 103.50 k 15.50 n 0.00 a 0.00 d 14.00 f 105.00 f 288.00 i 518.00 f 1087.76
1962 362.00 m 506.07 a 518.00 165.00 a 122.50 5.40 e 0.00 a 0.00 l 7.50 m 105.00 f 330.00 b 443.50 g 1646.97
1963 556.00 h 288.96 c 358.50 g 394.66 a 95.30 d 9.81 d 1.50 h 0.00 p 7.50 d 104.00 f 390.60 e 514.50 h 1186.82
1964 643.80 c 385.50 g 444.50 271.03 a 125.00 f 48.00 e 0.00 g 0.00 f 27.50 f 60.50 g 461.38 a 474.50 2343.22
1965 604.50 484.81 a 404.50 252.50 123.00 22.22 c 1.79 e 0.00 h 41.79 b 70.30 c 272.50 f 738.00 2743.41
1966 662.33 e 535.63 a 404.50 129.50 40.50 25.34 a 0.00 j 0.00 f 13.27 d 86.69 d 319.04 d 568.33 d 2785.13
1967 589.00 d 456.52 e 475.91 d 538.45 a 132.30 c 41.25 b 0.00 e 0.00 c 0.00 b 63.00 f 180.50 m 646.41 d 2879.84
1968 677.87 a 338.16 a 360.78 b 204.81 d 104.33 e 3.50 i 0.00 c 17.80 d 6.35 d 0.00 z 386.11 c 666.50 b 2762.69
1969 670.24 b 552.16 c 419.50 253.39 b 33.77 c 0.00 f 0.00 a 0.00 b 2.68 b 174.24 b 362.07 a 501.50 2969.55
1970 460.57 c 384.16 c 342.07 b 361.15 d 59.70 d 11.79 b 0.00 0.00 e 9.00 148.28 a 306.96 b 631.37 a 2715.06
1971 561.10 a 478.00 431.00 274.00 121.23 c 25.71 b 0.00 b 0.00 e 40.18 b 240.00 392.07 a 686.00 3249.29
1972 673.73 a 418.43 a 266.50 235.34 a 80.71 b 18.75 b 0.00 a 0.00 a 17.50 j 147.00 461.90 a 737.36 c 3039.72
1973 666.50 409.50 456.98 b 169.66 a 26.19 b 4.50 i 0.00 n 0.00 c 10.80 e 134.91 d 405.00 e 531.28 b 2810.81
1974 606.16 c 472.77 b 376.98 c 313.33 c 93.00 e 0.00 d 3.50 g 0.00 g 0.00 f 58.26 b 338.50 f 498.50 f 1920.50
1975 633.12 e 449.08 b 418.50 c 273.00 g 93.55 c 6.00 i 3.50 f 0.55 c 0.00 87.50 h 313.00 f 554.26 b 2149.06
1976 572.43 b 434.48 a 399.56 d 319.80 e 4.98 c 13.85 d 0.00 b 13.20 d 4.00 h 58.12 c 260.17 a 477.50 f 2076.60
1977 665.35 d 282.00 g 363.50 g 108.50 f 210.44 e 11.40 e 0.00 d 0.00 e 9.00 f 79.10 b 355.71 b 484.38 c 1806.39
1978 499.58 e 428.30 a 276.93 a 276.60 e 65.44 d 0.00 h 0.00 f 0.00 b 25.34 a 51.48 c 353.00 g 705.25 a 2328.93
1979 619.48 a 480.87 e 230.50 i 244.82 b 79.22 d 4.66 a 0.00 z 0.00 e 3.89 c 94.11 c 417.69 d 543.69 e 2488.43
1980 0.00 z 359.28 b 395.52 b 243.89 c 124.00 b 0.00 z 0.00 c 0.00 z 5.00 134.85 a 0.00 z 524.79 c 1787.32
1981 557.50 382.67 d 399.12 c 169.50 f 43.50 f 5.36 b 0.00 d 0.00 c 10.18 b 174.63 a 280.71 b 373.50 g 1810.18
1982 686.00 414.50 488.80 c 330.00 b 52.24 d 17.14 b 0.00 d 0.00 e 20.17 a 90.13 d 479.44 c 549.73 a 3128.17
1983 610.59 c 0.00 z 387.50 c 324.83 a 112.24 b 0.50 f 2.07 a 0.00 c 6.72 a 25.50 f 373.45 a 485.50 2302.90
1984 539.92 a 474.00 265.71 c 229.62 d 51.84 b 16.67 c 0.00 b 0.00 a 0.00 a 158.21 b 427.22 c 623.62 a 2786.80
1985 657.50 406.50 467.00 104.46 b 82.15 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 455.00 0.00 z 2172.61
Period of Record Statistics
MEAN 627.55 455.99 408.35 258.72 90.37 19.98 0.64 2.31 11.36 127.38 381.48 597.30 3037.53
S.D. 81.64 65.65 67.25 85.77 46.38 16.80 1.75 4.36 11.34 49.50 64.74 87.91 242.68
SKEW 0.12 -0.27 -0.51 1.02 0.96 1.04 3.32 2.40 1.43 0.22 -0.15 0.26 -0.29
MAX 857.15 593.94 518.00 538.45 225.94 60.52 7.75 17.80 41.79 240.00 500.00 739.50 3310.54
MIN 456.96 288.96 265.71 104.46 4.98 0.00 0.00 0.00 0.00 51.48 260.17 474.50 2715.06
NO YRS 30 32 34 31 32 24 22 26 25 25 26 26 6