ELLENSBURG, WASHINGTON

Monthly Total Heating Degree Days

(452505)

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
1893 0.00 z 1234.50 893.50 616.50 359.50 0.00 z 86.00 47.50 h 282.00 643.50 944.00 1006.00 6065.50
1894 1238.50 1040.50 924.00 674.50 236.50 l 195.50 47.50 33.00 283.00 591.50 764.50 1267.50 7060.00
1895 1332.00 812.00 745.50 492.00 364.50 172.00 86.00 0.00 z 393.50 508.50 902.00 1191.50 6999.50
1896 1285.00 890.50 832.00 606.00 385.00 147.50 5.00 0.00 z 283.50 575.00 1221.50 1078.50 7309.50
1897 1256.00 983.50 972.50 395.50 151.50 136.00 66.50 0.00 z 250.50 570.50 904.00 1239.50 6926.00
1898 1381.00 829.00 793.00 533.50 301.50 113.50 41.50 36.50 182.50 543.50 884.44 c 1275.00 6914.94
1899 1135.50 1032.50 821.00 571.50 403.50 203.50 29.50 180.50 211.00 617.50 663.00 1000.50 6869.50
1900 981.50 919.00 601.00 446.50 284.00 91.50 54.00 121.00 278.00 424.50 i 963.00 881.50 5621.00
1901 1125.50 938.50 770.50 592.50 318.00 282.50 79.00 12.50 359.50 400.00 791.50 1032.50 6702.50
1902 1165.50 949.00 785.50 576.50 329.00 206.50 112.50 69.00 267.50 522.00 872.00 1286.00 7141.00
1903 1157.50 1124.00 805.50 617.00 365.50 66.00 92.50 68.00 326.50 547.50 960.50 1101.50 7232.00
1904 1025.50 1085.00 964.00 455.00 351.00 193.00 75.50 68.00 189.50 482.00 699.50 1061.50 6649.50
1905 1166.00 1000.00 619.00 475.00 346.50 126.00 29.50 79.50 203.00 723.50 870.00 1130.98 a 6768.98
1906 1111.00 836.00 851.50 405.00 288.50 239.50 0.00 30.00 184.50 513.00 856.00 1120.50 6435.50
1907 1667.50 936.50 833.50 561.50 185.48 a 179.50 23.00 132.50 229.50 390.00 790.00 1042.00 6970.98
1908 1154.50 997.00 745.50 478.00 392.50 174.00 34.00 78.50 198.00 572.50 807.50 1190.92 a 6822.92
1909 1154.50 h 899.00 724.50 573.50 356.50 106.00 60.50 58.00 206.50 567.50 868.00 1418.00 5838.00
1910 1351.50 1119.00 628.50 441.50 209.50 163.00 15.50 132.50 229.50 473.50 883.00 1058.50 6705.50
1911 1116.50 999.00 699.00 561.50 410.50 148.00 46.50 52.50 312.50 567.00 905.50 1104.50 6923.00
1912 1302.00 854.50 810.00 504.00 211.50 105.50 43.50 96.00 300.00 675.50 822.50 1073.00 6798.00
1913 1320.00 1081.00 802.00 559.00 319.00 104.00 42.00 73.50 280.50 631.50 808.00 1058.00 7078.50
1914 1094.50 975.50 634.00 444.50 221.50 247.50 23.50 45.00 313.50 515.50 841.00 1535.00 6891.00
1915 1383.00 903.00 617.50 395.50 305.00 120.00 36.50 5.00 217.50 536.50 1036.00 1223.00 6778.50
1916 1657.00 1069.00 762.50 461.00 369.00 159.00 85.50 1.00 h 169.50 598.00 1023.00 1252.50 7606.00
1917 1187.00 937.50 964.00 644.00 281.50 185.00 20.50 36.00 167.50 508.50 792.00 948.50 6672.00
1918 988.00 950.00 787.50 471.50 339.00 58.00 22.00 54.00 109.00 515.00 864.50 1111.50 6270.00
1919 1205.50 973.00 764.00 444.50 302.00 141.00 11.50 39.00 243.00 640.00 917.50 1428.00 7109.00
1920 1174.00 937.50 760.50 597.00 460.50 181.00 17.50 52.50 193.50 509.50 820.50 1056.00 6760.00
1921 1207.50 852.00 663.50 521.00 264.00 62.50 35.00 27.90 a 273.00 483.50 872.00 1153.00 6414.90
1922 1494.50 1158.50 865.50 559.00 298.63 a 12.00 0.00 32.50 148.00 421.50 866.50 1356.50 7213.13
1923 1037.50 1007.00 724.00 441.50 329.50 131.00 14.00 1.50 129.00 513.50 746.50 1059.50 6134.50
1924 1252.50 688.00 629.00 439.50 136.00 64.50 26.50 27.50 189.00 522.00 902.50 1322.50 6199.50
1925 1118.00 748.00 662.00 345.50 167.50 119.00 6.00 76.50 187.00 545.00 907.50 923.50 5805.50
1926 1053.50 734.50 574.50 363.50 345.00 89.00 18.00 46.50 345.00 485.00 828.00 1234.00 6116.50
1927 1314.50 934.50 757.50 560.50 369.50 51.00 20.00 55.50 248.50 517.50 777.00 1241.50 6847.50
1928 1209.00 892.00 713.00 592.00 190.50 114.50 7.50 7.50 172.50 506.00 834.00 1168.50 6407.00
1929 1517.50 1198.50 691.50 586.00 282.00 117.00 19.00 23.50 227.00 420.50 767.50 984.50 6834.50
1930 1625.50 807.00 629.50 377.00 321.88 a 156.50 15.00 7.00 142.50 569.37 a 885.00 1081.00 6617.25
1931 1080.50 837.50 723.00 466.50 194.50 136.55 a 14.50 24.00 212.00 476.00 950.17 a 1290.50 6405.72
1932 1251.50 1063.50 741.00 448.00 316.50 87.50 54.00 62.00 134.00 459.00 726.50 1172.00 6515.50
1933 1091.50 1102.50 769.00 483.00 405.50 146.50 11.50 36.50 271.00 422.50 710.00 917.00 6366.50
1934 863.50 663.19 a 531.00 231.50 194.00 50.00 12.40 a 15.00 201.00 371.00 676.00 966.00 4774.58
1935 1163.53 a 762.50 783.50 542.00 272.00 104.50 53.98 b 41.85 a 122.68 b 508.40 a 917.00 1064.00 6335.94
1936 1163.00 1437.00 789.50 412.50 206.00 116.00 27.50 7.00 183.50 350.50 937.50 1000.00 6630.00
1937 1607.00 1109.00 707.00 589.00 334.50 133.00 20.00 85.50 185.50 461.00 817.00 1081.00 7129.50
1938 1139.50 1067.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1021.50 3228.00
1939 946.50 949.00 739.00 454.50 273.50 176.00 38.50 25.00 168.00 483.00 844.00 952.50 6049.50
1940 1119.50 867.50 618.50 524.50 253.50 64.50 12.50 18.50 99.50 474.50 1025.50 1079.50 6158.00
1941 1119.50 866.50 638.50 439.00 332.00 131.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3527.00
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1949 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
1950 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
1951 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
1952 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
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 166.00 445.00 754.50 913.00 2278.50
1954 1236.00 906.00 866.00 592.50 311.50 231.21 a 61.00 77.00 205.00 591.00 691.00 1094.00 6862.21
1955 1076.50 902.50 965.50 693.00 425.50 133.00 94.50 31.00 231.00 527.00 1100.50 1361.00 7541.00
1956 1231.00 1257.00 903.50 452.00 215.00 194.00 18.60 a 40.50 187.50 563.00 905.50 1048.00 7015.60
1957 1536.50 953.50 789.00 475.00 155.50 107.50 47.50 78.00 112.00 561.50 844.00 932.58 a 6592.58
1958 978.00 664.00 810.00 566.00 149.00 45.00 7.00 12.50 245.77 d 475.00 880.50 996.00 5828.77
1959 1059.50 916.00 761.50 500.50 413.00 170.00 63.50 67.50 271.00 491.00 907.50 1035.00 6656.00
1960 1321.00 906.00 786.00 537.00 387.50 129.50 7.50 110.05 a 178.00 468.00 869.00 1221.00 6920.55
1961 1081.50 737.50 730.57 a 530.00 327.00 64.14 a 15.50 0.50 261.00 586.50 1009.00 1147.00 6490.20
1962 1153.00 842.50 842.00 432.50 394.00 137.50 64.00 51.00 148.00 519.50 771.50 940.00 6295.50
1963 1186.00 839.50 704.50 598.50 332.50 154.50 47.50 42.00 97.00 449.00 810.50 1209.00 6470.50
1964 1110.50 872.50 787.50 590.50 367.00 149.50 42.00 87.00 237.50 518.50 897.50 1253.50 6913.50
1965 1131.50 790.50 781.00 458.50 339.00 100.00 34.50 64.14 b 237.50 442.00 765.00 1120.50 6264.14
1966 1309.00 894.00 735.50 489.50 253.00 163.97 a 43.40 a 46.00 100.00 513.50 730.50 958.50 6236.87
1967 890.50 738.00 778.00 666.50 279.00 50.50 3.00 2.50 78.00 541.98 a 843.50 1114.00 5985.48
1968 1115.50 818.50 685.00 560.00 275.50 87.50 21.50 96.00 173.50 615.50 833.00 1238.00 6519.50
1969 1518.50 1130.00 799.80 a 523.50 219.00 82.50 28.00 58.00 184.00 531.50 802.00 1063.00 6939.80
1970 1229.00 832.46 b 746.50 671.00 328.50 83.50 25.00 19.50 277.50 618.50 893.00 1277.00 7001.46
1971 1082.42 a 822.50 907.00 585.00 219.50 191.00 59.50 15.00 313.00 567.00 856.50 1196.00 6814.42
1972 1209.50 1016.50 710.50 615.50 251.00 131.25 b 41.50 16.65 d 312.00 529.00 774.50 0.00 z 5607.90
1973 1229.00 854.50 696.50 0.00 z 0.00 z 0.00 z 39.50 67.17 a 0.00 z 541.97 b 0.00 z 998.50 4427.13
1974 1332.50 806.50 799.00 547.76 a 398.50 104.50 49.00 21.00 130.71 b 511.00 790.50 970.50 6461.47
1975 1165.00 988.00 853.00 642.00 310.00 156.00 6.41 b 72.00 160.00 554.00 899.50 1019.50 6825.41
1976 1086.50 927.50 880.50 552.50 307.50 212.50 47.00 73.00 100.50 515.00 822.50 1085.00 6610.00
1977 1291.15 a 808.00 751.00 397.00 394.50 54.00 48.50 53.00 252.00 561.00 911.00 1108.50 6629.65
1978 1103.50 873.50 710.50 563.00 375.00 94.50 29.00 75.50 247.00 554.00 1000.00 1246.00 6871.50
1979 1615.50 1004.50 726.50 532.00 235.50 106.50 49.50 20.00 126.50 434.50 1040.00 1034.00 6925.00
1980 723.50 o 1027.00 802.00 421.00 290.50 184.50 51.00 0.00 z 200.50 554.00 823.45 a 1079.50 5433.45
1981 905.72 a 865.50 661.50 0.00 z 302.25 a 217.00 69.00 19.63 a 229.50 611.14 c 828.00 1166.50 5875.74
1982 1307.17 a 914.50 777.50 651.50 349.50 80.00 62.50 45.00 213.00 587.50 975.50 1270.50 7234.17
1983 1008.00 802.00 655.00 542.00 270.00 151.00 103.50 15.00 316.50 629.50 843.00 1568.00 6903.50
1984 1236.00 858.50 673.00 582.50 463.00 185.50 49.50 51.50 308.50 672.50 915.50 1499.50 7495.50
1985 1312.00 1092.00 838.50 537.00 287.50 134.50 1.00 66.13 a 328.50 597.50 1328.00 1545.00 8067.63
1986 1235.50 996.50 656.50 588.00 343.00 71.50 99.00 3.00 294.50 499.00 820.50 1176.50 6783.50
1987 1297.00 890.00 716.50 430.00 257.00 120.50 40.50 43.00 148.50 489.00 798.00 1194.00 6424.00
1988 1239.50 863.00 768.00 488.00 344.50 187.00 59.50 40.50 0.00 z 383.50 808.00 1192.50 6374.00
1989 1071.50 1199.50 857.00 464.50 345.50 80.00 60.00 60.00 171.50 552.00 740.00 1014.50 6616.00
1990 962.50 927.00 731.00 420.00 358.50 176.00 27.50 45.00 76.00 620.00 769.00 1339.50 6452.00
1991 1220.00 740.50 840.50 540.50 346.50 207.00 17.00 25.00 125.50 545.00 861.00 963.00 6431.50
1992 1000.50 781.50 609.00 499.50 241.00 68.50 33.00 64.00 255.00 502.50 876.00 1287.00 6217.50
1993 1441.50 1136.00 856.00 597.50 203.50 166.50 91.00 80.50 204.00 464.50 1006.50 1080.00 7327.50
1994 898.00 960.00 705.00 414.00 257.00 179.00 26.00 36.00 90.50 541.00 961.50 1110.00 6178.00
1995 1099.50 785.50 759.00 567.00 242.50 122.00 16.00 84.00 116.50 556.50 761.00 1062.00 6171.50
1996 1234.00 1066.50 721.00 490.50 411.00 137.00 28.00 32.00 251.00 555.50 981.00 1347.00 7254.50
1997 1207.50 924.50 759.00 558.00 251.10 a 151.03 a 35.50 15.00 173.00 560.00 778.00 1072.50 6485.13
1998 1222.50 807.00 714.00 523.00 283.50 80.50 5.50 31.50 82.00 566.00 767.00 1142.00 6224.50
1999 996.00 820.00 782.50 589.50 423.00 186.50 84.22 a 33.50 206.00 571.95 a 716.38 a 955.50 6365.05
2000 1180.50 1011.50 758.98 a 436.03 a 305.50 120.00 44.50 51.50 227.50 560.00 998.50 1245.00 6939.52
2001 1182.50 1012.00 713.50 553.50 285.00 187.50 30.00 22.50 113.00 561.50 783.50 1104.00 6548.50
2002 1014.00 843.00 873.00 531.00 363.50 110.50 39.00 37.50 178.00 542.00 824.00 961.50 6317.00
2003 1006.00 779.50 673.00 541.00 337.50 70.50 17.00 7.50 134.00 395.00 993.50 0.00 z 4954.50
2004 1201.00 962.50 636.50 440.00 267.50 121.00 19.00 30.50 192.50 468.50 843.50 0.00 z 5182.50
2005 1172.00 847.00 626.50 489.50 215.00 148.50 19.00 26.50 0.00 z 489.50 895.00 0.00 z 4928.50
2006 1008.50 0.00 z 784.00 0.00 z 0.00 z 86.50 12.00 0.00 z 0.00 z 0.00 z 0.00 z 1312.50 3203.50
2007 1276.50 875.00 690.27 a 518.50 235.08 a 120.00 3.50 29.00 186.43 b 561.50 885.50 1124.00 6505.28
2008 1352.00 876.00 803.00 644.50 0.00 z 158.00 16.00 43.00 150.00 504.00 747.50 1304.50 6598.50
2009 1081.50 862.00 841.00 526.50 279.00 45.00 a 16.00 23.00 118.50 586.50 785.00 1268.50 6432.50
2010 991.00 733.00 699.00 537.00 373.50 139.00 34.50 52.50 177.00 490.50 961.00 1177.00 6365.00
2011 1151.50 933.00 823.50 668.00 417.00 185.00 69.00 5.68 a 97.50 b 475.00 897.00 1141.50 6863.68
2012 1233.50 923.00 827.70 a 367.50 l 370.93 b 218.50 27.26 b 24.28 a 141.50 484.63 a 724.00 1048.00 6023.31
2013 1268.00 734.50 530.50 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 45.50 z 2002.50
Period of Record Statistics
MEAN 1194.61 925.94 757.01 519.72 305.64 133.69 37.32 46.61 204.29 526.96 862.50 1140.11 6640.49
S.D. 167.43 134.88 89.55 82.52 73.30 52.05 26.20 32.09 70.73 67.52 106.16 146.76 442.15
SKEW 0.75 0.75 0.14 -0.34 -0.22 0.17 0.80 1.21 0.26 -0.06 1.19 0.72 -0.42
MAX 1667.50 1437.00 972.50 693.00 463.00 282.50 112.50 180.50 393.50 723.50 1328.00 1568.00 8067.63
MIN 863.50 663.19 531.00 231.50 136.00 12.00 0.00 0.50 76.00 350.50 663.00 881.50 4774.58
NO YRS 106 108 107 103 103 105 107 99 103 105 105 104 87