UNION EXP STN, OREGON

Monthly Total Heating Degree Days

(358746)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201204
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
1911 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 394.00 l 839.00 998.50 1837.50
1912 1036.50 903.50 867.50 576.00 379.00 178.00 126.50 169.00 371.50 620.00 666.50 1034.50 6928.50
1913 1180.00 1089.50 915.00 541.50 363.00 183.00 110.00 84.00 260.00 639.50 731.50 1031.00 7128.00
1914 889.00 889.00 612.50 491.00 287.50 246.00 22.00 65.00 295.00 449.50 614.00 1173.00 6033.50
1915 1098.50 702.50 638.50 411.21 a 415.00 244.00 92.00 0.00 303.00 407.00 868.97 a 1036.50 6217.17
1916 1404.00 843.50 696.50 543.50 541.97 b 261.00 108.50 73.50 278.00 647.50 888.00 1169.00 7454.97
1917 1317.50 1027.00 1102.50 686.00 442.00 230.00 23.50 43.00 167.00 522.00 633.50 715.50 6909.50
1918 979.00 920.00 689.50 584.00 471.00 78.50 65.00 125.50 153.50 450.00 814.00 1091.00 6421.00
1919 982.00 904.50 768.50 498.00 372.50 194.00 50.50 30.00 267.50 776.50 881.50 1329.50 7055.00
1920 1060.00 893.00 802.50 684.00 491.50 257.50 38.50 87.50 276.50 622.50 815.00 979.00 7007.50
1921 1045.50 896.00 707.50 635.36 b 380.00 99.50 53.00 44.00 374.00 455.50 720.00 985.00 6395.36
1922 1345.00 1009.00 894.50 656.00 384.00 66.50 12.50 54.50 168.50 439.00 882.00 1143.50 7055.00
1923 953.50 975.50 827.50 544.50 388.00 219.50 44.00 49.50 200.50 554.50 757.00 1052.00 6566.00
1924 1197.50 734.50 877.00 597.00 233.00 177.00 73.00 126.00 314.00 532.68 a 790.00 1320.00 6971.68
1925 1028.50 712.00 714.00 491.50 277.81 e 190.00 9.00 97.50 228.00 574.00 751.50 939.00 6012.81
1926 1119.50 700.50 673.50 379.00 380.00 133.00 30.00 81.50 485.00 616.50 711.00 1127.50 6437.00
1927 1109.50 840.00 873.00 604.50 471.50 158.00 49.00 54.50 341.00 498.00 670.50 1233.00 6902.50
1928 1066.50 946.50 704.50 609.00 231.50 218.00 44.50 84.50 227.00 516.50 748.00 1108.50 6505.00
1929 1370.50 1126.72 c 764.50 642.50 353.00 198.00 27.00 22.50 359.50 492.00 839.00 806.00 7001.22
1930 1481.50 736.50 717.50 434.00 432.50 232.50 40.00 31.50 217.00 621.00 807.50 1172.50 6924.00
1931 1039.50 853.00 772.50 505.00 256.50 171.00 23.50 31.50 285.00 518.00 946.00 1127.50 6529.00
1932 1188.00 1095.00 807.50 517.00 404.00 207.50 71.50 115.00 279.50 533.00 663.00 1276.50 7157.50
1933 1139.50 1196.00 817.50 613.00 560.50 188.00 35.00 86.00 328.50 419.00 755.50 772.00 6910.50
1934 827.50 669.00 582.00 389.00 234.00 176.50 53.50 21.50 294.00 434.00 605.00 997.50 5283.50
1935 1035.00 809.00 850.50 608.50 420.50 176.50 66.50 80.00 172.00 592.00 910.50 1008.00 6729.00
1936 1048.00 1176.50 843.50 443.50 212.50 128.50 27.00 42.00 274.50 461.50 908.50 944.50 6510.50
1937 1588.50 965.50 724.50 594.00 295.00 196.50 19.00 111.50 208.00 453.50 667.50 890.50 6714.00
1938 917.00 791.00 795.00 522.50 384.50 111.50 51.00 86.50 116.50 448.00 913.00 946.00 6082.50
1939 951.50 977.50 733.50 460.00 284.00 261.00 50.50 39.00 212.00 529.50 711.50 786.00 5996.00
1940 951.50 760.50 658.00 520.00 264.50 114.50 22.00 38.00 163.00 407.00 903.00 878.50 5680.50
1941 874.00 710.50 658.00 512.50 340.50 204.00 14.00 75.00 336.00 538.00 660.50 888.50 5811.50
1942 1148.03 a 912.00 789.50 466.50 424.50 241.15 d 26.00 42.92 e 214.50 437.00 756.50 958.50 6417.11
1943 1224.00 803.00 798.50 434.00 485.00 322.00 69.00 85.50 132.50 483.00 709.00 974.50 6520.00
1944 1081.00 890.50 680.50 f 550.20 e 298.50 232.50 62.00 77.50 193.00 394.50 819.50 1049.00 5648.20
1945 982.00 768.00 757.50 594.50 351.50 242.00 38.00 43.50 278.00 437.50 781.50 1027.50 6301.50
1946 1007.50 877.00 731.00 474.50 348.00 207.00 52.00 60.50 292.00 693.50 854.00 873.00 6470.00
1947 1232.50 735.50 653.00 540.50 230.50 238.00 23.00 87.50 204.00 431.00 809.00 962.00 6146.50
1948 1049.00 956.00 827.50 597.50 395.00 123.50 116.00 82.50 264.50 513.50 856.50 1220.00 7001.50
1949 1640.00 942.50 721.00 445.50 250.07 a 190.50 75.00 51.50 165.00 602.43 a 590.69 a 990.50 6664.69
1950 1317.00 837.00 797.50 577.00 419.50 213.00 49.50 45.00 244.50 408.00 700.71 b 789.50 6398.21
1951 1088.10 a 819.00 886.00 498.50 327.00 216.00 34.50 87.00 182.50 553.00 790.00 1115.00 6596.60
1952 1149.00 974.00 860.50 437.50 337.50 190.50 63.50 79.05 a 140.00 369.50 905.50 968.50 6475.05
1953 737.50 844.50 732.00 591.00 445.50 268.50 47.50 81.50 154.00 453.00 595.00 922.00 5872.00
1954 923.50 665.78 a 823.50 537.50 336.00 258.00 57.00 141.50 263.50 517.50 658.00 1025.50 6207.28
1955 1142.00 1000.00 992.50 669.00 458.00 149.50 102.50 49.00 265.50 470.00 919.00 995.50 7212.50
1956 984.00 1102.00 797.50 504.50 316.00 215.50 49.08 a 79.50 169.00 531.00 843.50 997.50 6589.08
1957 1415.00 898.00 730.00 577.00 307.00 168.00 64.00 90.93 a 179.50 543.00 873.00 898.00 6743.43
1958 949.00 608.22 a 647.50 f 617.50 210.00 160.00 38.00 25.00 257.00 464.50 783.50 831.00 4943.72
1959 970.00 852.00 780.50 550.50 498.50 169.50 83.00 86.50 305.00 528.50 836.00 982.00 6642.00
1960 1199.50 943.50 752.50 554.00 463.00 167.00 23.50 138.50 210.50 499.50 802.00 1004.00 6757.50
1961 960.50 695.50 727.50 571.00 417.50 76.00 20.00 9.00 343.00 574.00 847.50 1047.00 6288.50
1962 1218.00 919.50 831.50 470.50 462.00 219.50 103.00 110.00 186.50 507.50 743.00 903.50 6674.50
1963 1311.00 612.50 751.00 631.50 345.00 207.50 97.00 74.50 110.00 421.00 708.50 1042.00 6311.50
1964 1085.50 1001.50 865.00 659.50 442.00 212.00 65.00 132.00 319.50 472.50 802.00 1037.50 7094.00
1965 996.00 796.50 887.00 503.00 448.50 192.50 73.00 104.00 367.50 388.50 654.00 1000.50 6411.00
1966 955.00 927.50 781.00 554.50 303.00 233.50 63.00 59.00 136.00 539.00 690.00 906.00 6147.50
1967 873.00 757.00 824.50 705.50 416.00 156.00 13.00 18.00 93.50 507.50 765.00 1118.00 6247.00
1968 1050.00 752.00 655.50 636.00 394.50 195.50 51.00 133.00 257.50 525.00 794.50 1053.00 6497.50
1969 1126.00 901.50 788.00 561.00 308.00 151.03 a 63.55 a 81.50 202.50 645.50 734.00 902.00 6464.58
1970 937.00 733.00 847.50 720.50 405.00 147.50 43.50 27.50 385.00 603.00 762.50 1091.00 6703.00
1971 997.00 798.00 872.00 617.00 338.50 278.00 92.00 24.00 380.00 649.00 794.50 1131.50 6971.50
1972 1152.50 896.00 696.50 659.50 346.00 180.50 72.00 41.50 341.50 563.00 753.00 1221.50 6923.50
1973 1146.50 749.00 729.50 610.00 327.00 193.50 46.00 64.00 238.50 544.00 804.00 855.00 6307.00
1974 1205.00 788.00 769.00 595.50 454.15 a 134.50 87.50 64.50 182.00 521.50 753.50 1031.00 6586.15
1975 1133.00 949.41 a 894.00 787.50 493.00 269.00 49.00 112.50 223.50 516.31 b 849.50 956.50 7233.22
1976 1064.00 933.50 896.50 610.00 355.00 249.00 40.50 117.00 146.00 485.00 729.31 a 964.50 6590.31
1977 1254.50 729.00 824.00 469.00 487.50 84.00 93.00 66.00 273.50 522.50 776.50 858.00 6437.50
1978 904.00 746.50 596.00 575.00 442.50 162.50 62.00 117.00 262.50 b 461.50 963.50 1240.50 6533.50
1979 1457.50 887.50 724.50 587.50 352.00 175.50 45.50 24.50 131.00 431.50 874.00 850.00 6541.00
1980 1130.00 759.50 824.00 464.50 386.50 273.50 48.50 121.50 199.00 486.50 727.00 885.50 6306.00
1981 864.00 798.50 742.00 538.50 425.00 240.50 87.00 22.50 209.50 583.50 665.00 893.00 6069.00
1982 1103.00 926.00 775.00 645.50 422.50 136.00 94.00 40.00 275.50 563.00 851.79 b 1014.50 6846.79
1983 883.00 675.00 650.00 619.00 377.50 203.00 114.00 19.00 301.50 494.00 698.00 1254.00 6288.00
1984 1171.00 979.50 736.00 619.00 450.50 265.00 63.50 28.00 318.50 633.00 763.50 1216.00 7243.50
1985 1271.00 1056.00 873.50 473.50 331.00 140.50 1.00 113.00 390.50 589.00 1171.50 1299.00 7709.50
1986 913.00 743.50 594.50 568.50 394.00 92.00 105.50 3.50 342.50 492.00 805.00 1018.00 6072.00
1987 1146.50 771.50 706.00 376.00 268.00 129.50 78.00 82.50 156.00 434.50 742.00 1028.00 5918.50
1988 1108.00 883.50 740.00 473.00 380.00 202.50 39.50 56.00 236.50 312.00 764.00 1091.50 6286.50
1989 1187.50 1184.00 777.00 480.00 412.00 123.50 31.50 115.50 235.50 544.50 710.00 968.00 6769.00
1990 962.50 893.00 727.50 452.50 406.00 187.50 30.50 65.00 95.00 585.50 733.00 1328.00 6466.00
1991 1181.50 653.00 789.50 589.50 455.00 258.50 35.50 17.00 168.50 531.00 826.50 914.50 6420.00
1992 916.50 663.00 630.50 460.50 238.00 109.00 68.50 84.00 239.50 431.00 855.50 1123.50 5819.50
1993 1232.00 1020.50 786.50 582.00 224.00 233.50 175.50 104.00 221.00 481.50 993.00 958.00 7011.50
1994 868.50 896.50 676.50 479.00 284.50 202.00 43.50 21.50 113.00 542.00 953.00 1020.00 6100.00
1995 946.00 707.00 758.00 604.50 362.50 192.00 47.50 101.50 138.50 599.00 669.50 949.00 6075.00
1996 984.50 933.00 701.50 518.00 448.00 180.00 34.00 67.50 282.00 517.50 735.50 953.50 6355.00
1997 1011.50 841.50 702.50 600.50 275.00 181.00 80.50 21.00 146.00 528.00 714.00 1033.00 6134.50
1998 918.00 720.50 732.50 581.50 394.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 735.00 1067.50 5149.50
1999 927.50 858.00 762.50 664.00 420.00 196.50 81.50 39.50 208.50 466.00 533.00 1020.50 6177.50
2000 960.00 738.00 737.00 420.00 301.00 146.50 44.43 a 37.72 a 231.50 518.00 947.00 1034.37 a 6115.52
2001 1101.00 879.00 694.00 611.50 299.00 184.00 39.50 17.57 a 113.00 496.50 656.00 1027.50 6118.57
2002 1031.00 885.00 827.50 549.50 390.00 143.00 29.00 79.00 188.00 629.00 737.00 912.00 6400.00
2003 816.00 838.00 625.00 550.00 376.00 111.50 7.50 8.50 176.00 372.50 886.00 928.00 5695.00
2004 1097.50 882.50 625.00 520.00 393.50 171.43 b 32.50 43.40 a 246.50 507.00 797.50 930.00 6246.83
2005 994.50 815.00 686.00 540.50 301.50 235.50 28.50 44.00 244.50 484.00 837.00 1111.50 6322.50
2006 882.00 875.00 758.00 538.50 318.50 116.00 12.50 58.50 185.50 396.50 g 705.00 992.50 5442.00
2007 1145.50 733.50 611.50 523.50 283.00 131.50 1.00 39.50 204.50 494.50 804.00 1029.50 6001.50
2008 1129.00 831.00 835.50 682.00 339.00 218.00 19.00 0.00 z 210.50 516.00 668.00 1075.50 6523.50
2009 1118.00 827.00 864.50 576.50 336.50 124.00 28.00 47.50 99.50 615.00 755.00 1185.50 6577.00
2010 850.00 750.00 697.00 581.50 488.50 190.50 62.50 57.50 148.80 e 351.00 f 561.50 h 981.87 e 4808.17
2011 597.50 o 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
2012 0.00 z 0.00 z 0.00 z 32.00 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
Period of Record Statistics
MEAN 1082.21 857.29 764.19 554.72 369.40 186.81 53.76 66.18 234.44 514.81 779.72 1019.96 6503.79
S.D. 167.92 127.59 90.38 79.86 78.75 52.09 31.02 36.44 79.08 78.02 100.78 127.70 425.42
SKEW 0.85 0.46 0.48 0.02 -0.06 -0.13 0.91 0.37 0.42 0.35 0.51 0.39 0.11
MAX 1640.00 1196.00 1102.50 787.50 560.50 322.00 175.50 169.00 485.00 776.50 1171.50 1329.50 7709.50
MIN 737.50 608.22 582.00 376.00 210.00 66.50 1.00 0.00 93.50 312.00 533.00 715.50 5283.50
NO YRS 99 99 97 99 99 98 98 97 98 96 99 100 93