WAWAWAI 2 NW, WASHINGTON

Monthly Total Heating Degree Days

(459024)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196510
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
1927 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 517.20 e 0.00 z 517.20
1928 936.72 a 720.17 b 254.50 n 286.00 g 60.00 l 22.50 0.50 0.00 d 56.00 121.50 p 372.50 m 1043.27 e 2779.15
1929 1033.00 f 1135.00 500.59 d 425.50 437.62 a 34.00 f 0.00 b 0.00 e 0.00 z 0.00 z 438.00 m 722.09 b 3220.80
1930 1517.93 b 564.31 b 370.00 h 137.50 i 111.50 g 23.50 i 0.00 k 0.00 j 0.00 z 285.50 n 697.76 a 569.00 n 2780.00
1931 645.50 g 480.50 i 433.00 g 330.00 b 89.56 d 26.50 h 0.00 j 0.00 z 0.00 z 215.50 o 756.96 b 750.00 f 1176.52
1932 938.55 b 606.00 g 581.00 287.00 164.82 a 33.21 b 0.53 b 9.76 d 52.50 305.23 e 532.00 1006.98 a 3911.59
1933 798.25 c 919.69 b 591.58 a 381.43 b 271.52 b 37.50 0.00 g 9.82 a 122.88 d 223.20 a 626.79 b 653.00 4635.66
1934 673.22 a 552.74 a 382.85 a 187.00 83.50 10.71 b 3.00 0.00 c 130.50 275.12 c 487.00 821.50 a 3607.15
1935 808.58 a 682.00 650.48 a 439.44 c 173.00 22.78 c 2.67 b 4.00 f 24.83 a 369.42 a 799.44 c 922.25 a 4894.90
1936 850.50 1166.21 a 607.50 248.08 d 67.54 c 32.14 b 0.00 d 0.00 z 76.00 i 255.00 852.93 a 783.00 4862.90
1937 1505.10 b 838.83 d 356.00 i 410.40 e 79.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 513.21 b 780.88 b 4048.43
1938 825.67 e 675.04 e 564.20 a 315.56 c 139.00 f 14.00 j 3.32 c 0.55 c 2.31 d 266.17 b 744.44 c 840.10 a 4237.37
1939 749.34 b 788.67 d 539.00 276.21 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2353.22
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 v 0.00 a 0.00 32.50 202.50 804.50 803.50 1843.00
1941 850.00 589.50 408.50 246.00 154.00 32.00 0.00 0.50 127.50 175.00 m 0.00 z 767.00 3175.00
1942 1177.50 680.50 549.00 247.00 228.37 a 62.00 0.00 5.17 a 22.00 221.50 666.96 b 779.00 4639.00
1943 1082.00 668.50 625.00 233.00 229.50 78.50 0.50 4.13 a 7.00 295.00 658.50 895.50 4777.13
1944 870.50 763.50 632.00 278.00 108.50 26.50 0.00 0.00 38.50 139.50 c 642.00 931.50 4430.50
1945 774.50 619.00 610.70 a 396.21 a 118.50 60.00 0.00 5.00 121.50 222.50 654.50 888.00 4470.41
1946 797.00 629.50 528.00 305.00 101.00 41.50 0.00 0.00 77.78 c 442.50 686.50 783.50 4392.28
1947 992.00 a 626.50 464.00 307.50 43.00 24.50 0.00 0.00 52.00 287.00 648.00 742.50 4187.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.50 5.88 b 0.00 84.00 369.50 641.50 1001.50 2107.88
1949 1396.00 793.85 a 533.50 209.44 c 81.24 b 25.50 0.00 0.00 32.00 440.00 0.00 z 0.00 z 3511.54
1950 0.00 z 0.00 z 0.00 z 299.46 b 152.00 0.00 z 0.00 0.50 78.00 285.00 524.50 643.00 1982.46
1951 854.00 688.50 658.00 356.50 108.00 49.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 868.50 f 2714.50
1952 1001.00 683.00 592.50 218.00 117.28 a 44.50 1.50 0.50 24.50 176.18 a 801.00 769.00 4428.97
1953 542.00 604.50 517.50 352.50 198.00 81.00 0.00 3.50 40.50 240.77 a 468.00 703.00 3751.27
1954 864.50 632.69 b 655.00 385.00 144.50 132.50 3.50 40.00 54.50 373.00 519.00 855.00 4659.19
1955 909.50 797.00 759.50 476.50 230.00 16.00 16.50 1.00 99.50 320.00 841.00 901.00 5367.50
1956 890.50 972.00 595.50 265.50 150.50 34.00 0.00 10.00 24.00 325.00 753.50 803.50 4824.00
1957 1302.50 720.50 561.00 334.50 83.50 20.50 0.00 12.50 41.50 384.00 682.00 684.50 4827.00
1958 768.00 462.00 592.50 382.50 56.00 8.00 1.03 a 0.00 81.50 262.50 608.00 719.50 3941.53
1959 836.50 673.00 527.00 295.00 204.50 22.50 4.00 16.00 107.22 c 0.00 z 0.00 z 0.00 z 2685.72
1960 0.00 z 0.00 z 201.50 m 319.50 193.50 23.50 0.00 43.00 51.50 321.50 611.50 941.50 2505.50
1961 821.50 547.00 519.00 400.00 154.00 6.00 0.00 0.00 112.50 354.00 792.00 867.00 4573.00
1962 956.50 680.00 661.00 256.00 243.50 54.50 23.00 2.00 58.00 417.98 a 553.00 753.50 4658.98
1963 1086.00 601.50 519.50 371.00 138.00 31.50 3.00 3.50 23.50 267.50 577.00 924.50 4546.50
1964 779.50 715.50 637.50 388.00 169.50 43.50 1.00 49.00 92.00 291.50 705.00 904.34 b 4776.34
1965 817.50 607.00 645.66 b 276.50 173.00 26.00 5.50 14.00 113.50 164.00 0.00 z 0.00 z 2842.66
Period of Record Statistics
MEAN 936.65 712.43 573.64 320.57 157.01 36.94 2.36 7.43 64.07 293.00 656.96 826.92 4492.10
S.D. 226.73 156.52 78.62 72.01 78.50 26.35 4.94 13.08 38.53 79.35 110.45 104.23 418.96
SKEW 1.21 1.39 -0.30 0.17 1.42 1.79 3.11 2.21 0.28 0.11 0.05 0.20 -0.40
MAX 1517.93 1166.21 759.50 476.50 437.62 132.50 23.00 49.00 130.50 442.50 852.93 1043.27 5367.50
MIN 542.00 462.00 382.85 187.00 43.00 5.50 0.00 0.00 2.31 139.50 468.00 643.00 3607.15
NO YRS 32 32 30 34 31 30 32 31 31 29 31 31 18