WALLA WALLA WB CITY, WASHINGTON

Monthly Total Heating Degree Days

(458931)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198712
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
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 130.50 28.00 21.00 90.00 421.00 424.00 n 0.00 z 690.50
1917 0.00 z 0.00 z 384.00 n 502.00 277.00 110.50 4.00 0.00 47.50 305.50 0.00 z 0.00 z 1246.50
1918 0.00 z 0.00 z 0.00 z 407.00 281.50 39.50 2.50 25.00 43.00 280.50 0.00 z 0.00 z 1079.00
1919 0.00 z 0.00 z 610.50 389.00 251.00 83.00 3.50 3.00 129.00 497.50 0.00 z 0.00 z 1966.50
1920 0.00 z 0.00 z 639.50 517.50 294.50 94.00 6.50 45.00 130.50 429.00 0.00 z 0.00 z 2156.50
1921 0.00 z 0.00 z 583.00 472.50 217.00 24.00 14.50 3.50 193.00 300.50 0.00 z 0.00 z 1808.00
1922 0.00 z 0.00 z 717.50 516.50 276.00 10.00 0.00 17.00 58.00 294.00 0.00 z 0.00 z 1889.00
1923 0.00 z 0.00 z 617.50 379.00 208.00 125.50 16.00 0.00 93.50 418.50 0.00 z 0.00 z 1858.00
1924 0.00 z 0.00 z 680.50 424.50 114.00 36.50 5.00 18.00 134.00 336.00 0.00 z 0.00 z 1748.50
1925 0.00 z 0.00 z 583.50 322.50 151.00 81.00 0.00 23.50 97.50 396.00 0.00 z 0.00 z 1655.00
1926 0.00 z 0.00 z 515.00 277.50 183.50 40.00 0.50 9.50 238.50 344.50 0.00 z 0.00 z 1609.00
1927 0.00 z 0.00 z 668.00 480.00 320.50 31.50 6.00 10.00 169.50 328.00 0.00 z 0.00 z 2013.50
1928 0.00 z 0.00 z 561.00 475.00 126.00 55.50 0.00 z 5.50 96.50 357.00 0.00 z 0.00 z 1676.50
1929 0.00 z 0.00 z 586.00 490.00 225.50 84.50 4.00 3.00 163.50 313.50 0.00 z 0.00 z 1870.00
1930 0.00 z 0.00 z 583.50 256.00 220.00 88.50 0.50 1.00 80.50 499.00 0.00 z 0.00 z 1729.00
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.50 0.00 z 1.00 129.50 393.50 630.50 1030.50 2193.50
1949 1472.50 824.00 630.00 256.50 106.00 49.50 1.00 0.00 53.50 445.00 514.50 818.50 5171.00
1950 1476.50 844.00 641.50 434.00 212.00 83.00 0.00 1.00 78.00 342.50 653.50 745.50 5511.50
1951 916.50 721.50 698.50 320.50 156.50 49.50 1.50 16.00 41.00 380.00 698.00 1049.00 5048.50
1952 1058.00 702.00 613.00 278.50 140.50 64.50 3.00 2.00 35.50 172.50 864.00 833.00 4766.50
1953 516.00 607.50 530.00 394.50 238.00 90.00 0.00 3.00 38.00 260.50 556.00 698.50 3932.00
1954 937.00 668.00 691.50 393.00 159.00 119.00 5.50 8.50 81.50 398.50 471.50 897.50 4830.50
1955 953.50 759.00 758.00 512.00 290.50 39.00 26.50 0.00 130.00 325.50 899.50 956.50 5650.00
1956 940.50 1067.50 618.50 293.00 163.50 74.50 0.00 15.50 56.50 389.50 800.00 837.50 5256.50
1957 1378.00 756.00 630.00 337.00 114.00 26.00 0.00 0.00 43.00 453.50 679.00 700.50 5117.00
1958 773.50 500.00 626.50 412.00 74.00 15.50 0.00 0.00 86.50 311.00 641.50 821.50 4262.00
1959 864.00 733.00 551.50 343.00 265.50 36.50 6.50 11.50 131.00 328.00 776.00 922.00 4968.50
1960 1179.00 722.50 601.00 351.00 242.50 36.50 0.00 28.00 45.50 298.50 632.50 1047.00 5184.00
1961 816.50 502.00 519.50 389.50 194.50 14.50 0.00 0.00 123.00 393.50 832.00 857.50 4642.50
1962 969.00 721.00 667.50 292.50 291.00 67.50 10.50 12.00 62.00 336.50 561.50 756.50 4747.50
1963 1124.00 659.50 534.00 430.50 168.50 50.50 0.50 0.50 38.50 237.50 577.50 978.50 4800.00
1964 723.00 660.50 633.00 450.00 222.50 57.50 3.50 25.00 87.50 365.50 716.50 996.50 4941.00
1965 880.00 612.50 663.50 297.50 210.50 39.00 5.50 14.00 123.50 209.00 586.50 823.00 4464.50
1966 806.50 671.50 543.50 336.50 165.50 67.00 18.50 5.00 25.00 321.00 576.00 701.50 4237.50
1967 627.50 559.50 593.00 512.00 188.00 12.50 0.00 0.00 22.00 259.00 654.50 835.00 4263.00
1968 810.50 615.00 452.50 436.50 160.00 42.00 0.00 15.00 70.00 393.00 639.50 982.50 4616.50
1969 1261.50 822.50 571.50 384.50 113.00 29.00 0.00 7.00 57.00 443.00 616.00 894.00 5199.00
1970 934.00 645.50 600.00 507.00 153.50 58.50 0.00 0.00 162.00 418.00 679.50 834.00 4992.00
1971 706.50 658.00 660.00 420.50 175.00 100.00 13.50 5.00 163.50 414.00 601.00 852.00 4769.00
1972 956.50 794.00 488.50 475.00 149.50 38.00 12.00 3.50 149.50 378.00 649.00 1071.00 5164.50
1973 980.00 710.50 509.50 354.50 143.50 63.50 0.50 9.50 82.50 329.50 683.00 721.00 4587.50
1974 1025.00 581.50 552.50 384.50 232.00 31.00 8.50 0.00 37.50 331.50 591.00 730.00 4505.00
1975 897.50 782.50 672.00 501.00 197.50 69.50 3.00 17.50 50.00 328.00 618.00 792.50 4929.00
1976 808.00 702.00 668.50 427.00 180.00 96.50 3.00 22.50 23.50 349.00 657.50 903.50 4841.00
1977 1209.00 610.50 605.50 257.00 268.00 15.50 11.00 19.50 138.00 361.00 683.00 852.00 5030.00
1978 960.50 655.50 483.00 395.50 216.00 26.50 5.00 19.00 86.50 330.00 867.50 1016.00 5061.00
1979 1443.50 700.50 525.50 353.50 124.00 43.00 7.50 0.00 10.00 228.00 838.50 742.50 5016.50
1980 1145.00 781.00 622.00 263.50 167.50 80.50 0.00 17.00 48.00 389.00 626.50 754.00 4894.00
1981 839.50 681.00 510.50 347.00 197.50 69.50 13.50 0.00 88.00 359.50 585.00 830.00 4521.00
1982 909.50 676.00 579.00 440.00 185.50 43.00 7.50 0.00 117.00 372.00 788.00 860.50 4978.00
1983 692.00 556.00 484.50 372.00 172.00 42.50 10.50 0.00 136.50 333.00 515.00 1225.00 4539.00
1984 905.00 692.50 484.50 414.50 247.00 91.50 0.00 0.00 149.00 436.50 656.50 1092.50 5169.50
1985 1176.50 813.00 597.50 260.50 151.00 37.00 0.00 5.00 164.50 367.00 1090.00 1349.50 6011.50
1986 873.00 684.50 434.00 371.00 225.50 10.50 18.50 0.00 154.50 274.00 620.00 993.00 4658.50
1987 1012.00 684.50 463.00 216.00 119.50 25.00 14.50 0.00 35.00 273.50 593.50 909.00 4345.50
Period of Record Statistics
MEAN 973.24 695.85 589.28 387.24 194.82 55.41 5.70 8.52 93.05 349.97 672.97 892.76 4862.10
S.D. 225.48 103.63 73.45 81.98 57.38 31.39 6.91 9.88 51.38 68.07 122.20 144.33 406.25
SKEW 0.60 0.93 -0.10 -0.14 0.19 0.53 1.44 1.28 0.49 -0.16 1.24 1.00 0.27
MAX 1476.50 1067.50 758.00 517.50 320.50 130.50 28.00 45.00 238.50 499.00 1090.00 1349.50 6011.50
MIN 516.00 500.00 434.00 216.00 74.00 8.50 0.00 0.00 10.00 172.50 471.50 698.50 3932.00
NO YRS 39 39 51 53 53 55 53 55 55 55 40 40 39