LEAVENWORTH 3 S, WASHINGTON

Monthly Total Heating Degree Days

(454572)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1914 0.00 z 0.00 z 0.00 z 0.00 z 268.50 127.50 17.00 8.55 b 291.72 a 479.50 795.50 1371.23 a 3359.51
1915 1280.50 899.50 640.50 438.50 304.50 122.50 38.50 6.00 h 222.00 486.00 963.00 1204.00 6599.50
1916 1660.00 1073.00 866.00 516.00 412.00 131.50 19.00 r 1.50 x 179.50 f 376.00 h 382.00 r 1345.92 a 6004.42
1917 1261.00 1024.50 965.00 605.50 282.50 169.50 22.73 a 1.11 c 65.00 l 358.10 b 675.00 1014.50 6379.44
1918 1021.00 953.00 764.84 b 142.50 p 304.50 39.50 16.50 45.50 62.00 417.39 c 811.50 1055.50 5491.24
1919 1167.67 a 1003.50 777.00 441.50 328.00 173.00 6.41 b 5.50 200.00 560.50 870.00 1384.50 6917.58
1920 1160.00 913.00 729.50 549.83 a 347.50 43.50 q 9.50 40.96 c 258.50 621.00 840.50 1104.00 6574.29
1921 1243.50 954.50 762.50 594.50 290.50 118.00 56.50 5.00 304.50 489.50 931.50 1251.50 7002.00
1922 1563.50 1224.50 909.00 565.34 a 352.22 b 57.00 4.00 37.50 164.00 371.00 f 921.00 1423.50 7221.57
1923 1143.00 1102.00 787.50 456.50 337.00 147.00 26.00 16.02 a 158.28 a 518.50 807.41 a 1169.50 6668.71
1924 1355.00 849.50 720.50 526.00 175.00 128.00 28.42 a 39.00 213.50 519.00 913.50 1357.00 6824.42
1925 1193.00 796.50 696.00 426.00 220.00 131.00 5.50 90.50 178.50 523.79 b 887.00 927.00 6074.79
1926 1112.00 766.37 a 582.50 360.58 d 354.00 100.00 16.61 c 23.77 a 310.71 b 492.00 766.00 964.00 f 4884.54
1927 1274.00 930.50 792.50 543.50 393.00 76.00 26.50 54.50 220.00 500.50 822.86 b 1384.00 7017.86
1928 1159.00 894.00 682.00 b 543.50 203.50 144.00 12.52 e 25.00 162.50 518.50 864.31 a 1225.50 6434.33
1929 1584.50 1276.50 696.00 236.50 u 0.00 z 94.00 i 12.50 24.00 231.00 440.50 924.83 a 1122.00 6311.83
1930 1708.50 870.00 698.00 397.50 328.00 164.00 32.00 17.00 158.50 582.91 c 905.50 1124.00 6985.91
1931 1083.00 915.50 757.00 474.50 235.00 139.50 13.00 32.00 224.00 258.00 n 814.50 g 1258.00 5131.50
1932 1338.68 a 1080.50 799.50 445.50 337.50 111.50 80.08 a 0.00 z 140.50 h 428.12 b 753.00 1124.00 6498.39
1933 1098.00 1106.50 800.50 484.66 a 420.50 142.00 11.00 27.50 284.00 447.00 720.50 963.50 6505.66
1934 969.00 757.50 596.00 273.10 a 246.50 67.78 c 29.50 g 12.40 a 239.00 471.72 a 740.00 1077.50 5450.50
1935 1219.50 980.00 a 969.78 a 682.24 a 417.95 c 223.97 a 113.67 a 133.82 a 289.29 b 641.59 c 988.00 1149.50 7809.29
1936 1182.00 1486.50 839.07 a 0.00 z 0.00 z 0.00 z 16.00 s 4.00 186.43 b 151.00 m 0.00 z 279.00 w 3698.00
1937 1668.00 1079.04 a 744.55 c 554.00 262.00 0.00 z 0.00 z 0.00 z 0.00 z 274.00 h 765.00 e 1061.23 a 6133.82
1938 1144.33 b 755.00 g 717.59 d 371.90 a 170.50 g 63.75 b 2.00 0.00 z 31.03 a 446.92 a 633.00 h 865.50 f 2777.52
1939 674.00 j 975.52 c 699.16 c 352.00 174.50 h 0.00 z 0.00 z 10.85 a 85.50 352.92 e 701.54 d 935.88 b 4113.37
1940 1119.62 a 905.44 b 643.52 b 454.62 d 200.90 e 0.00 z 9.09 b 3.10 a 35.56 c 423.67 d 972.00 e 1092.23 a 5859.74
1941 1070.03 b 876.96 c 593.50 385.18 b 288.50 98.00 0.00 63.00 252.50 324.50 k 732.50 1028.88 b 5389.05
1942 1265.83 a 860.50 740.00 417.93 a 323.50 170.00 16.00 23.00 61.15 d 276.50 j 922.78 c 860.00 h 4800.70
1943 1525.20 a 889.78 a 889.00 326.50 h 277.50 g 175.00 18.00 36.50 63.33 c 479.50 804.81 d 1130.43 b 6011.55
1944 1256.03 b 974.40 d 809.00 352.00 i 287.00 107.00 15.50 15.50 b 126.43 b 344.88 c 822.32 b 1264.05 b 6022.11
1945 1076.70 c 821.33 a 807.79 e 578.00 223.95 b 107.00 10.16 b 0.00 q 128.00 j 427.11 d 806.50 f 1186.00 5238.03
1946 1169.50 938.00 a 730.50 477.00 192.50 158.50 16.50 6.50 147.93 a 590.07 b 967.50 d 1138.73 a 6533.23
1947 1316.50 872.48 c 448.50 h 422.50 133.30 a 110.00 23.50 26.00 102.41 a 485.48 c 0.00 z 0.00 z 3492.18
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 996.00 930.50 800.00 514.50 316.00 91.00 11.00 15.50 153.10 a 459.00 869.50 1225.05 c 6381.16
2007 1248.50 879.50 699.50 507.50 258.00 79.50 h 3.00 g 29.00 175.00 565.00 870.50 1238.50 6471.00
2008 1373.50 877.50 794.50 648.46 d 258.00 168.50 16.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4136.46
2009 1199.50 896.50 904.54 c 0.00 z 303.50 0.00 z 17.00 18.00 g 0.00 z 0.00 z 0.00 z 0.00 z 3321.04
2010 987.00 754.50 698.00 550.00 0.00 z 159.00 38.00 0.00 z 0.00 z 464.50 889.00 1102.00 5642.00
2011 1133.50 945.50 840.00 660.50 396.50 176.00 66.50 7.50 123.00 483.00 708.50 g 1103.50 5935.50
2012 1198.50 899.00 c 830.50 497.50 328.00 170.69 a 18.00 16.00 118.00 474.30 a 782.50 1031.00 6363.99
2013 1232.00 740.00 697.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 38.00 z 2669.00
Period of Record Statistics
MEAN 1229.33 939.29 769.50 499.36 283.70 121.14 29.15 29.89 171.15 499.31 864.50 1171.56 6613.17
S.D. 180.29 130.81 84.48 79.21 70.34 45.46 22.90 25.30 74.00 67.18 96.92 131.65 432.41
SKEW 1.07 1.39 0.05 -0.08 0.00 0.16 1.34 1.81 -0.07 -0.30 0.71 0.36 0.57
MAX 1721.50 1486.50 976.50 682.24 420.50 249.60 113.67 133.82 310.71 641.59 1231.50 1486.00 7809.29
MIN 957.00 740.00 582.50 273.10 133.00 33.10 0.00 0.00 31.03 336.00 675.00 927.00 5926.00
NO YRS 84 85 86 80 78 79 88 84 82 75 77 80 46