LEAVENWORTH 3 S, WASHINGTON

Monthly Total Heating Degree Days

(454572)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 33.10 a 44.00 35.50 183.75 b 397.00 j 548.00 k 1362.97 a 1659.32
1949 1721.50 1114.62 b 779.13 a 418.00 204.71 b 103.97 a 25.50 29.00 132.69 d 447.00 g 460.00 j 610.50 m 4529.11
1950 1058.50 m 573.50 m 788.12 e 550.96 d 226.50 j 81.50 i 36.68 a 10.00 93.00 e 128.00 w 468.00 n 611.50 l 1478.76
1951 745.50 k 0.00 z 566.50 k 298.00 i 163.00 j 57.50 h 21.00 28.00 71.00 k 192.50 q 141.00 y 451.00 t 49.00
1952 855.50 l 684.00 i 454.00 n 342.00 h 181.50 k 86.50 o 24.05 b 27.50 78.00 f 186.50 m 299.50 u 309.00 v 51.55
1953 441.00 q 372.50 o 331.50 p 333.50 l 248.00 i 249.60 e 21.00 27.50 82.00 j 363.00 h 566.00 i 611.50 k 298.10
1954 909.50 k 566.00 k 604.00 j 400.00 k 175.50 k 151.00 i 46.00 63.00 118.50 g 339.50 l 233.00 t 515.00 q 109.00
1955 0.00 z 0.00 z 572.50 l 0.00 z 154.50 r 81.50 k 72.50 22.00 183.50 535.50 1079.00 1348.50 3241.00
1956 1026.00 g 1314.50 976.50 516.50 195.50 158.00 13.00 34.50 170.50 554.00 942.50 1125.00 6000.50
1957 1581.60 e 1004.50 808.50 460.50 133.00 96.50 43.00 64.50 72.00 574.02 a 877.50 1043.15 a 6758.76
1958 1060.50 765.50 779.50 519.00 134.69 b 33.10 a 2.50 4.00 206.00 480.00 961.50 1080.50 6026.79
1959 1189.00 967.50 791.57 b 480.00 344.62 a 124.44 c 32.55 a 25.00 f 214.00 491.00 907.50 1076.50 6618.68
1960 1303.00 899.50 804.00 479.50 351.50 93.00 4.13 a 91.00 174.50 490.83 a 907.76 a 1237.00 6835.73
1961 1134.00 814.00 750.20 a 516.00 297.50 27.50 o 18.50 1.00 258.00 599.50 1058.00 1160.50 6607.20
1962 1269.00 878.50 841.50 412.00 383.50 117.50 61.50 33.50 128.00 484.50 778.50 987.50 6375.50
1963 1277.00 800.00 693.00 537.00 286.00 121.50 43.50 25.50 85.50 435.50 838.50 1238.50 6381.50
1964 1134.50 958.00 834.50 545.69 a 0.00 z 113.50 33.50 84.50 207.00 395.00 g 906.96 b 1307.00 6125.15
1965 1161.00 835.50 809.50 450.50 328.00 85.00 29.00 45.00 214.00 0.00 z 716.50 1150.88 c 5824.88
1966 1241.00 879.50 818.50 461.38 a 221.50 148.50 30.00 19.50 47.00 503.00 767.00 989.50 6126.38
1967 989.50 756.00 755.50 607.00 274.50 53.50 6.00 0.00 46.00 460.50 814.50 1163.00 5926.00
1968 1166.63 a 949.50 703.00 536.79 b 272.00 94.00 13.50 61.00 142.00 591.30 d 865.00 1348.00 6742.72
1969 1595.00 1105.00 858.00 551.50 188.07 a 46.00 31.00 27.00 186.00 553.50 806.50 1112.00 7059.57
1970 1245.17 d 860.00 822.50 609.50 270.50 66.00 17.50 8.00 229.00 557.00 912.00 1308.00 6905.17
1971 1198.50 895.00 931.50 578.00 206.50 174.00 57.50 6.50 276.00 558.00 866.00 1274.74 b 7022.24
1972 1327.50 1068.00 827.50 669.00 233.50 71.00 32.50 18.00 295.00 514.50 762.50 1281.50 7100.50
1973 0.00 z 928.00 736.00 468.00 267.50 146.50 29.50 45.00 150.50 515.50 978.00 1048.00 5312.50
1974 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
1975 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
1976 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
1977 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
1978 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
1979 1639.00 1064.50 781.50 524.00 271.00 93.50 47.50 17.50 106.00 404.50 972.50 1044.00 6965.50
1980 1468.50 1008.50 823.50 461.00 298.00 205.50 49.08 a 111.00 249.50 505.00 832.76 a 1095.50 7107.84
1981 957.00 914.00 667.50 526.50 312.50 185.00 59.00 13.95 a 200.50 610.00 837.00 1202.50 6485.45
1982 1278.50 1008.50 831.50 633.00 319.00 81.50 56.50 45.50 189.50 574.00 982.00 1238.00 7237.50
1983 1047.00 846.00 691.50 512.50 260.00 139.00 88.50 15.00 276.00 577.00 837.50 1486.00 6776.00
1984 1169.00 870.00 0.00 z 567.50 412.50 155.50 20.00 32.00 280.00 605.00 933.50 1461.00 6506.00
1985 1294.00 1102.50 817.50 484.50 263.50 a 91.50 0.00 27.50 263.50 576.00 1231.50 1433.50 7585.50
1986 1138.00 967.00 713.00 540.00 354.50 65.00 80.00 2.00 276.00 447.50 820.50 1140.50 6544.00
1987 1215.00 815.00 759.00 414.50 241.00 86.00 26.00 22.00 106.50 445.00 739.50 1264.50 6134.00
1988 1238.50 902.50 740.50 447.00 304.00 169.50 43.00 24.80 a 213.00 336.00 821.50 1148.00 6388.30
1989 1132.00 1150.50 835.00 391.50 260.00 62.00 21.00 21.00 91.50 487.00 742.50 1023.00 6217.00
1990 1006.00 954.00 688.50 373.50 309.00 0.00 z 7.00 26.00 38.50 0.00 z 0.00 z 0.00 z 3402.50
1991 1319.50 765.50 807.00 0.00 z 352.00 180.00 11.00 21.50 79.00 507.00 896.50 995.50 5934.50
1992 1061.00 792.50 586.00 451.50 191.50 50.00 31.50 41.00 230.50 473.00 858.00 1271.50 6038.00
1993 1404.00 669.50 k 851.00 567.00 175.00 144.00 92.00 45.00 169.50 398.50 979.50 1121.00 5946.50
1994 1002.50 992.50 682.50 372.00 237.00 162.50 16.50 17.00 66.50 493.50 976.50 1172.00 6191.00
1995 1228.00 874.50 833.50 536.00 210.00 107.00 13.00 95.00 109.00 549.50 815.00 1091.50 6462.00
1996 1262.00 1065.50 783.50 513.00 413.50 123.50 40.50 32.00 209.00 548.50 924.00 1315.00 7230.00
1997 1212.00 878.00 796.00 572.50 240.00 150.00 30.50 19.00 144.00 536.50 804.50 1090.00 6473.00
1998 1129.00 834.50 718.50 495.00 241.00 75.50 0.00 18.00 67.00 520.00 786.00 1195.50 6080.00
1999 1032.00 855.83 e 829.50 564.50 392.48 c 152.07 a 68.89 d 20.67 a 175.00 544.50 745.71 b 978.10 b 6359.25
2000 1174.68 c 951.50 760.07 d 430.00 232.00 h 116.38 a 49.08 a 43.00 213.10 a 535.00 995.50 1193.00 6461.32
2001 1112.90 a 974.50 755.37 a 551.50 295.02 a 171.00 e 22.45 b 16.02 a 96.21 a 551.59 b 780.00 a 1073.50 6400.04
2002 1053.00 893.50 871.50 500.50 361.00 93.00 30.50 37.00 170.50 544.00 812.50 1005.50 6372.50
2003 1015.50 841.00 699.50 530.50 0.00 z 81.00 12.00 4.00 115.96 d 380.00 966.00 1154.00 5799.46
2004 1170.50 913.00 627.50 422.00 261.50 93.00 17.00 21.00 173.50 455.50 832.00 1028.00 6014.50
2005 1154.00 837.00 648.50 484.20 e 231.00 140.50 17.50 15.00 198.00 453.50 897.50 1288.00 6364.70
2006 996.00 930.50 783.55 b 517.78 c 296.57 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3524.40
Period of Record Statistics
MEAN 1211.19 930.35 776.40 505.33 274.90 115.26 32.82 31.05 167.37 510.60 879.24 1177.20 6566.27
S.D. 175.56 114.84 75.43 66.55 68.39 47.75 22.05 24.09 70.27 62.83 102.65 132.22 427.94
SKEW 1.11 0.97 -0.12 0.02 0.09 0.42 0.82 1.50 -0.08 -0.67 0.96 0.45 0.47
MAX 1721.50 1314.50 976.50 669.00 413.50 249.60 92.00 111.00 295.00 610.00 1231.50 1486.00 7585.50
MIN 957.00 756.00 586.00 372.00 133.00 33.10 0.00 0.00 38.50 336.00 716.50 978.10 5926.00
NO YRS 45 46 47 47 44 46 53 52 49 43 45 46 33