WALLA WALLA 3 W ENT LA, WASHINGTON

Monthly Total Heating Degree Days

(458926)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196209
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
1931 849.00 738.50 581.50 370.00 112.00 38.50 3.00 0.00 119.50 408.00 789.00 1033.50 5042.50
1932 989.50 833.00 610.00 344.50 207.50 37.00 6.00 13.90 b 115.00 353.00 564.50 1045.50 5119.40
1933 837.50 939.00 607.50 404.50 306.50 46.50 0.50 10.00 139.00 261.50 650.00 653.00 4855.50
1934 697.50 638.50 420.50 185.00 131.00 42.50 7.50 0.00 142.00 297.00 507.00 810.00 3878.50
1935 895.50 730.00 649.00 473.00 219.00 35.50 11.50 15.50 81.00 429.00 886.50 991.00 5416.50
1936 874.00 1279.50 618.50 260.50 76.00 37.50 0.00 3.00 122.50 333.00 960.00 793.00 5357.50
1937 1590.50 915.50 579.00 430.00 164.00 55.00 0.50 27.00 92.50 292.00 601.50 844.00 5591.50
1938 903.50 773.50 580.50 364.50 205.00 37.00 4.50 0.00 22.00 362.50 777.00 847.50 4877.50
1939 764.00 786.50 553.50 307.00 129.50 71.50 3.00 5.50 61.00 337.50 700.00 725.50 4444.50
1940 1032.00 692.00 451.50 296.00 101.50 12.50 0.00 0.00 47.50 256.00 851.00 925.50 4665.50
1941 961.50 700.00 486.50 292.50 188.00 37.50 0.00 10.50 145.50 408.50 618.00 783.50 4632.00
1942 1315.00 738.00 582.50 286.00 231.50 72.00 0.00 13.50 41.00 0.00 z 703.00 811.50 4794.00
1943 1159.50 743.50 660.00 271.00 243.50 96.00 4.00 5.00 34.00 344.50 738.50 966.00 5265.50
1944 958.50 741.50 641.00 339.50 145.50 48.50 3.00 1.50 61.00 255.00 702.50 980.50 4878.00
1945 840.00 642.00 606.50 403.50 141.00 68.50 0.00 6.20 a 139.50 312.00 675.50 957.50 4792.20
1946 837.50 646.00 570.50 329.50 141.50 46.00 0.00 2.50 124.50 462.00 751.00 814.00 4725.00
1947 1057.50 673.50 479.00 302.50 64.00 30.50 0.00 3.50 64.50 301.50 658.50 840.50 4475.50
1948 943.50 810.50 672.50 431.50 255.00 0.00 z 6.00 1.00 144.00 444.50 654.00 1024.50 5387.00
1949 1483.00 841.00 615.50 245.50 94.00 49.00 0.00 1.50 86.50 479.50 562.00 808.50 5266.00
1950 1485.50 888.50 621.55 a 417.50 202.50 75.00 0.00 0.00 95.50 345.00 642.00 761.00 5534.05
1951 913.50 725.00 691.00 341.00 144.50 59.50 0.00 13.00 61.50 403.50 695.00 1032.00 5079.50
1952 1097.00 691.50 603.50 280.50 128.50 46.50 4.50 3.10 a 45.50 246.00 901.50 860.50 4908.60
1953 554.00 616.00 561.00 410.50 237.50 96.00 0.00 0.00 68.00 335.00 599.00 712.00 4189.00
1954 943.00 672.50 702.00 421.00 165.00 117.50 8.50 11.00 102.00 475.00 533.50 932.00 5083.00
1955 943.00 773.00 741.00 485.50 254.50 33.50 20.00 0.00 137.00 342.50 888.50 954.00 5572.50
1956 946.00 1049.50 622.00 288.50 144.50 69.00 0.00 13.00 67.00 388.50 805.50 840.00 5233.50
1957 1416.50 763.50 611.00 341.00 89.00 26.50 0.50 1.50 51.00 458.50 721.03 a 702.00 5182.03
1958 797.22 a 523.50 641.50 412.00 71.50 10.00 0.00 a 0.00 98.00 343.50 633.00 811.50 4341.72
1959 880.00 694.50 556.50 330.50 253.50 29.00 13.00 6.00 122.50 342.00 802.00 925.19 b 4954.69
1960 1210.03 a 740.50 601.00 337.00 225.50 33.50 0.00 19.00 68.00 318.00 635.50 1060.00 5248.03
1961 830.50 496.00 520.00 365.50 172.50 11.00 0.00 0.00 138.50 406.50 866.00 854.50 4661.00
1962 993.00 718.50 667.50 279.00 253.00 72.00 13.00 4.00 67.00 0.00 z 0.00 z 0.00 z 3067.00
Period of Record Statistics
MEAN 999.95 756.70 597.03 345.19 171.81 49.69 3.41 5.96 90.75 358.03 712.00 874.18 4940.37
S.D. 238.60 146.77 70.82 69.87 64.42 25.30 5.03 6.79 37.62 67.68 117.23 111.21 420.69
SKEW 0.93 1.47 -0.54 0.04 0.10 0.74 1.66 1.25 0.01 0.19 0.32 0.01 -0.53
MAX 1590.50 1279.50 741.00 485.50 306.50 117.50 20.00 27.00 145.50 479.50 960.00 1060.00 5591.50
MIN 554.00 496.00 420.50 185.00 64.00 10.00 0.00 0.00 22.00 246.00 507.00 653.00 3878.50
NO YRS 32 32 32 32 32 31 32 32 32 30 31 31 29