KENNEWICK 10 SW, WASHINGTON

Monthly Total Heating Degree Days

(454159)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197408
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
1949 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
1950 0.00 z 0.00 z 0.00 z 497.50 247.00 107.00 7.50 3.50 86.00 441.50 735.50 853.50 2979.00
1951 1048.50 809.00 825.50 364.50 208.00 57.00 9.50 29.50 73.45 a 454.50 803.00 1168.00 5850.45
1952 1227.00 815.00 721.50 359.50 200.50 106.50 11.00 10.50 54.50 223.50 954.50 995.50 5679.50
1953 720.50 708.50 634.00 488.00 310.00 163.50 0.00 13.00 61.50 323.00 656.00 846.50 4924.50
1954 1105.50 810.50 767.50 479.00 206.50 161.50 18.00 38.00 130.34 a 507.00 526.00 1023.50 5773.34
1955 1085.50 851.00 833.50 597.50 337.50 77.59 a 61.50 1.00 146.00 413.50 1026.00 1124.50 6555.09
1956 1065.50 1198.50 734.50 356.00 193.50 125.50 12.50 33.50 85.50 476.50 928.00 979.94 d 6189.44
1957 1510.00 941.04 e 747.50 447.00 167.50 44.00 10.00 2.50 g 55.00 518.50 743.00 779.98 c 5963.53
1958 513.50 j 601.50 709.50 476.38 a 104.00 28.50 0.00 1.00 117.50 375.00 778.00 973.00 4164.38
1959 1046.50 857.50 674.00 448.50 326.00 67.00 13.00 19.50 178.50 396.50 870.00 1026.50 5923.50
1960 1293.00 855.50 693.00 437.50 314.50 59.50 1.00 56.00 87.00 369.50 753.00 1164.50 6084.00
1961 991.50 648.50 658.50 484.00 235.00 27.50 0.00 0.00 142.00 446.50 902.00 983.00 5518.50
1962 1083.50 809.00 748.00 356.00 345.50 88.00 14.50 19.50 83.00 411.00 649.50 882.00 5489.50
1963 1203.50 728.50 633.00 509.00 231.00 73.50 11.92 e 6.00 44.50 304.00 680.50 1091.50 5516.92
1964 894.50 752.00 704.00 506.00 267.00 82.50 9.50 51.00 121.50 424.50 823.00 1129.00 5764.50
1965 1019.50 692.00 711.50 354.50 234.00 50.50 11.00 22.50 142.00 266.50 670.00 980.00 5154.00
1966 971.00 742.00 648.00 386.00 176.50 104.00 23.00 12.00 44.00 367.50 682.50 828.50 4985.00
1967 797.50 630.00 694.50 577.50 201.50 21.00 0.00 0.00 25.50 336.50 750.00 968.00 5002.00
1968 945.00 698.50 536.50 449.00 177.00 52.50 0.00 29.00 91.00 464.50 741.00 1118.50 5302.50
1969 1379.50 928.50 637.50 433.50 122.50 33.50 3.50 13.00 91.00 490.50 709.00 997.50 5839.50
1970 1064.00 734.00 660.50 526.50 195.00 67.50 0.50 0.00 184.00 455.00 784.50 1006.00 5677.50
1971 860.00 752.00 779.00 473.50 163.00 125.00 29.00 3.00 189.00 454.00 721.50 1018.50 5567.50
1972 1080.00 882.00 593.00 552.50 185.50 41.00 12.00 10.50 191.00 412.50 732.50 1161.00 5853.50
1973 1078.50 772.50 592.10 a 393.00 180.50 84.50 10.00 29.50 123.10 a 428.00 802.00 841.00 5334.70
1974 1152.00 670.00 611.00 458.00 318.50 45.54 b 18.50 4.50 0.00 z 0.00 z 0.00 z 0.00 z 3278.04
Period of Record Statistics
MEAN 1070.52 786.98 689.48 456.42 225.90 75.76 11.50 16.92 106.12 406.67 767.54 997.50 5618.35
S.D. 177.95 125.81 73.84 69.84 67.07 39.46 12.95 16.24 49.11 74.61 110.47 114.62 413.64
SKEW 0.42 1.36 0.08 0.10 0.34 0.71 2.38 0.91 0.29 -0.76 0.39 -0.18 0.14
MAX 1510.00 1198.50 833.50 597.50 345.50 163.50 61.50 56.00 191.00 518.50 1026.00 1168.00 6555.09
MIN 720.50 601.50 536.50 354.50 104.00 21.00 0.00 0.00 25.50 223.50 526.00 779.98 4924.50
NO YRS 23 24 24 25 25 25 25 24 24 24 24 24 21