WENATCHEE EXP STN, WASHINGTON

Monthly Total Heating Degree Days

(459079)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 199709
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
1950 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1952 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1955 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1956 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1960 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1961 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1963 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1964 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1965 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1966 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1967 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1968 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1969 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1970 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1971 0.00 z 0.00 z 0.00 z 0.00 z 140.00 69.00 25.00 2.00 207.00 480.00 770.50 1239.00 2932.50
1972 1181.00 932.00 590.50 506.00 142.50 52.76 a 17.50 9.00 228.50 453.50 732.50 1192.50 6038.26
1973 1170.50 815.00 586.42 a 356.50 184.50 70.00 1.00 20.00 137.00 467.00 893.00 0.00 z 4700.92
1974 1172.00 736.50 685.50 413.00 289.00 56.00 11.50 0.00 73.00 444.00 733.00 950.00 5563.50
1975 1099.00 944.50 791.00 495.00 211.50 50.50 0.00 37.50 86.00 475.50 828.50 991.00 6010.00
1976 1064.50 858.00 759.50 452.00 236.50 123.00 11.50 26.00 49.50 464.00 796.00 1016.00 5856.50
1977 1235.00 732.50 639.00 318.50 272.00 27.00 8.50 23.00 182.00 489.00 849.00 1034.00 5809.50
1978 1037.00 810.00 632.00 464.50 265.00 44.00 0.50 42.00 187.00 501.50 983.50 1246.00 6213.00
1979 1525.50 1000.00 692.00 442.00 160.00 58.50 23.50 2.50 74.00 383.00 952.00 941.00 6254.00
1980 1421.00 928.52 a 718.50 376.50 197.00 106.50 20.50 42.50 137.50 495.50 813.50 1020.86 b 6278.38
1981 858.00 844.00 589.50 470.00 237.00 145.50 30.00 2.50 176.79 b 573.00 792.00 1135.00 5853.29
1982 1192.00 886.00 731.00 570.00 257.50 45.50 35.50 14.00 168.50 529.00 967.00 1142.50 6538.50
1983 932.00 779.00 614.00 477.00 193.50 74.00 40.00 3.00 234.00 494.00 769.50 1403.00 6013.00
1984 1061.50 830.00 618.00 518.00 356.00 102.50 3.00 9.50 236.00 597.00 880.50 1431.50 6643.50
1985 1208.00 1082.00 757.00 422.50 197.00 57.50 0.00 11.50 252.50 534.50 1220.00 1334.50 7077.00
1986 1083.50 888.00 615.00 473.50 246.00 23.00 34.50 0.00 250.00 424.00 774.00 1071.00 5882.50
1987 1134.50 769.00 623.50 331.00 162.50 47.50 9.50 4.50 78.00 431.00 729.50 1142.00 5462.50
1988 1175.00 821.00 659.00 380.50 226.00 116.50 10.50 3.50 152.50 326.00 786.00 1111.50 5768.00
1989 1063.00 1072.50 800.50 355.50 221.00 30.50 14.50 8.00 73.00 486.00 727.00 988.00 5839.50
1990 901.00 899.50 623.50 304.50 246.00 88.00 9.50 14.00 17.50 545.00 697.00 1308.00 5653.50
1991 1210.00 678.00 742.50 414.00 244.00 103.50 0.00 5.00 41.00 500.00 814.50 926.50 5679.00
1992 943.50 724.50 515.50 376.50 132.50 23.50 5.50 27.00 174.50 449.00 784.00 1263.00 5419.00
1993 1315.00 989.00 776.50 472.00 117.00 74.00 13.00 28.50 131.00 389.50 938.00 1017.00 6260.50
1994 913.50 873.50 583.00 307.00 160.50 75.00 8.00 0.00 31.00 462.50 907.50 1060.50 5382.00
1995 1093.50 765.50 687.00 455.00 125.00 65.50 0.50 41.50 73.50 504.00 768.00 1032.50 5611.50
1996 1201.00 996.00 709.50 408.50 302.50 41.00 16.50 1.50 141.50 523.50 904.00 1273.00 6518.50
1997 1179.00 891.00 0.00 z 0.00 z 155.50 59.00 8.00 3.50 98.50 0.00 z 0.00 z 0.00 z 2394.50
Period of Record Statistics
MEAN 1129.60 867.14 669.58 422.38 210.28 67.75 13.26 14.15 136.71 477.73 838.85 1130.79 5984.37
S.D. 153.89 106.40 76.22 70.45 59.99 31.70 11.69 14.27 71.67 58.74 112.42 147.29 423.69
SKEW 0.43 0.28 0.08 -0.02 0.35 0.68 0.80 0.86 0.06 -0.41 1.55 0.48 0.72
MAX 1525.50 1082.00 800.50 570.00 356.00 145.50 40.00 42.50 252.50 597.00 1220.00 1431.50 7077.00
MIN 858.00 678.00 515.50 304.50 117.00 23.00 0.00 0.00 17.50 326.00 697.00 926.50 5382.00
NO YRS 26 26 25 25 27 27 27 27 27 26 26 25 24