KLAMATH FALLS 2 SSW, OREGON

Monthly Total Heating Degree Days

(354506)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200105
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
1887 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 266.00 53.50 94.66 c 207.50 457.50 805.00 1039.00 2923.16
1888 1390.00 796.50 825.00 0.00 z 0.00 z 0.00 z 0.00 z 0.50 z 105.00 475.00 815.00 906.00 5312.50
1889 1158.00 812.50 647.00 410.50 357.50 0.00 z 0.00 z 62.00 214.00 507.88 a 0.00 z 0.00 z 4169.38
1890 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
1891 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
1892 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
1893 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
1894 0.00 z 0.00 z 700.00 562.50 274.00 243.00 6.50 0.00 0.00 z 0.00 z 0.00 z 530.50 o 1786.00
1895 0.00 z 0.00 z 0.00 z 0.00 z 360.00 147.00 33.50 49.00 255.00 294.50 788.50 0.00 z 1927.50
1896 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
1897 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 843.00 f 0.00
1898 1191.36 b 806.62 b 863.02 c 0.00 z 0.00 z 125.50 21.00 31.50 190.00 579.00 0.00 z 1120.50 4928.50
1899 991.00 887.00 811.17 a 560.00 513.05 a 257.00 19.93 c 144.84 b 68.50 0.00 z 0.00 z 0.00 z 4252.49
1900 638.50 f 442.00 m 359.00 k 577.00 355.97 b 168.00 0.00 z 0.00 z 0.00 z 607.00 722.00 961.00 3390.97
1901 1216.75 a 943.00 850.50 640.18 b 316.50 250.00 50.63 a 17.00 313.50 406.00 713.79 a 1002.50 6720.35
1902 1076.00 758.00 816.50 594.50 382.33 a 137.50 132.50 49.50 95.00 545.82 c 800.17 a 982.50 6370.33
1903 1034.00 1065.50 844.00 577.00 0.00 z 100.00 100.00 0.00 z 0.00 z 0.00 z 0.00 z 967.50 4688.00
1904 1173.00 980.82 a 920.50 535.80 e 227.50 185.50 0.00 z 0.00 z 0.00 z 0.00 z 612.50 995.44 d 5631.07
1905 636.00 i 819.50 677.35 a 490.00 553.87 a 206.50 20.00 19.50 154.00 525.97 a 777.50 1081.00 5325.18
1906 1145.00 911.00 926.00 519.00 328.00 194.00 0.00 33.00 118.50 0.00 z 0.00 z 0.00 z 4174.50
1907 0.00 z 647.11 a 922.50 495.00 369.50 213.00 30.00 113.50 279.50 209.50 774.50 932.00 4986.11
1908 980.00 866.00 829.50 494.00 643.25 c 315.00 17.00 121.93 a 210.50 587.50 744.50 1154.50 6963.68
1909 1016.00 904.50 825.50 641.00 499.00 206.00 146.50 54.00 182.00 499.00 824.50 1177.00 6975.00
1910 1265.00 967.00 660.00 479.50 339.00 255.50 48.50 89.00 297.50 486.50 862.78 c 1011.12 a 6761.39
1911 1204.50 1190.50 796.50 611.50 529.50 196.00 18.00 44.50 353.00 543.00 902.00 1234.50 7623.50
1912 1115.00 851.50 914.50 681.00 419.00 208.50 109.50 135.00 307.50 683.50 774.50 1069.00 7268.50
1913 1424.00 1202.00 983.00 639.50 363.50 235.50 98.17 a 59.00 175.00 519.00 770.50 1066.50 7535.67
1914 997.17 a 935.00 675.00 577.76 a 268.00 234.50 9.50 23.80 c 290.00 c 499.00 790.00 1245.50 6545.23
1915 1202.91 c 832.42 d 664.43 a 464.00 463.00 186.00 94.00 0.00 226.00 438.50 855.50 1007.00 6433.76
1916 1315.50 770.00 556.00 g 555.50 522.50 217.50 86.50 63.50 117.50 515.50 944.00 1229.00 6337.00
1917 1487.50 1105.00 1198.50 716.00 478.90 b 164.00 7.00 4.50 166.00 298.50 730.50 878.00 7234.40
1918 932.50 900.00 792.00 601.50 412.00 33.50 45.00 87.00 116.00 441.50 835.50 1121.50 6318.00
1919 1078.50 911.50 871.00 521.50 293.50 144.50 13.00 23.00 169.50 625.00 849.50 1191.00 6691.50
1920 994.50 812.50 872.50 655.00 414.00 170.00 45.00 36.50 f 232.00 626.50 814.00 1081.50 6717.50
1921 1098.50 873.00 561.50 f 597.22 c 344.50 107.50 28.00 30.00 229.50 362.50 689.00 1062.50 5422.22
1922 1395.00 1043.00 997.50 674.00 344.00 61.03 a 4.00 64.50 149.50 492.50 889.50 1122.50 7237.03
1923 1092.50 1009.00 828.50 619.50 415.50 310.00 46.50 49.50 181.50 565.50 700.00 1094.00 6912.00
1924 1152.00 730.00 877.00 506.00 181.00 138.00 42.50 60.00 218.50 561.50 776.00 1228.00 6470.50
1925 962.50 774.00 713.50 545.00 313.00 228.50 1.50 84.00 301.50 549.00 833.50 1002.00 6308.00
1926 1033.00 772.00 586.50 375.50 329.50 94.50 6.00 52.50 323.00 468.50 663.50 1054.50 5759.00
1927 1006.50 861.78 a 824.50 680.00 544.50 153.00 49.00 102.50 365.00 529.50 729.50 1136.50 6982.28
1928 1090.34 b 875.00 723.00 678.00 236.50 243.00 59.50 51.00 193.00 531.00 816.00 1168.50 6664.84
1929 1230.00 1003.00 799.00 698.00 373.00 221.50 27.00 20.09 d 271.50 438.50 793.50 859.50 6734.59
1930 1360.00 763.00 716.00 481.00 468.00 168.50 3.50 18.00 240.50 546.50 870.00 1109.50 6744.50
1931 1025.50 795.41 a 717.50 470.50 191.00 175.50 5.50 5.00 252.50 474.50 940.50 1142.50 6195.91
1932 1223.50 1081.00 739.50 630.50 394.50 142.00 53.00 96.50 64.50 453.50 692.50 1241.00 6812.00
1933 1250.50 1144.50 840.50 566.50 577.50 162.00 7.00 36.00 229.00 346.50 724.00 900.50 6784.50
1934 871.00 686.00 480.00 329.50 255.00 194.50 15.00 8.00 174.50 437.00 763.50 1054.00 5268.00
1935 1191.00 909.50 934.00 601.00 359.00 144.00 87.00 38.50 100.50 587.50 983.50 1050.50 6986.00
1936 1043.50 886.50 752.50 459.50 297.00 141.50 16.50 18.00 152.00 329.50 774.50 1042.00 5913.00
1937 1516.50 1008.50 787.00 632.00 260.00 152.00 9.50 59.50 141.50 424.50 773.00 955.50 6719.50
1938 1026.50 987.00 927.00 570.50 364.50 116.50 35.00 41.50 125.50 526.50 928.00 1018.00 6666.50
1939 1098.50 992.50 708.50 375.00 290.00 199.00 25.50 18.50 135.00 465.00 728.00 868.00 5903.50
1940 907.00 801.50 665.50 504.00 196.00 72.00 16.50 2.00 209.00 436.00 839.50 960.00 5609.00
1941 945.00 701.00 637.50 538.50 350.00 218.50 11.00 72.00 311.00 513.50 692.00 993.00 5983.00
1942 1134.00 877.50 788.00 576.00 499.00 218.50 15.00 41.00 113.00 386.50 806.00 977.00 6431.50
1943 1083.50 851.00 739.50 463.00 429.00 300.00 22.50 69.00 32.00 511.00 764.50 998.50 6263.50
1944 1169.50 922.00 817.00 644.50 373.50 278.50 24.00 46.00 157.50 336.00 875.00 1008.00 6651.50
1945 986.00 781.50 854.50 597.50 383.50 207.00 2.00 23.00 188.50 369.00 840.00 1045.00 6277.50
1946 1134.00 947.00 779.00 483.50 297.00 219.00 31.50 21.50 198.00 639.50 813.00 960.00 6523.00
1947 1120.00 700.00 645.00 486.00 195.50 236.50 50.12 a 68.50 138.50 450.00 816.50 975.00 5881.62
1948 921.00 943.54 a 908.00 737.50 465.50 137.50 58.50 72.50 240.50 471.50 838.00 1210.03 a 7004.07
1949 1457.50 963.00 813.00 428.50 286.75 a 126.72 a 37.00 52.00 140.00 581.50 622.00 1081.50 6589.47
1950 1261.00 841.00 819.00 574.00 369.50 194.00 16.00 26.50 167.50 448.50 651.50 815.00 6183.50
1951 1030.50 827.00 843.00 393.50 350.50 104.50 13.00 45.50 86.00 533.00 783.00 1167.00 6176.50
1952 1184.50 948.50 938.00 473.00 298.00 242.50 17.00 23.50 o 100.00 g 307.00 896.50 1120.00 6425.00
1953 916.00 799.50 823.50 627.50 568.50 336.50 13.50 88.00 90.50 488.00 699.00 956.50 6407.00
1954 1028.50 783.50 854.00 511.00 257.00 295.00 25.00 145.50 249.00 515.50 686.00 1027.50 6377.50
1955 1192.50 962.50 863.50 761.50 433.50 163.50 138.00 11.50 231.50 411.50 874.50 1007.50 7051.50
1956 1017.00 1032.00 829.50 500.00 322.50 217.00 36.00 66.50 191.00 552.00 790.50 1001.30 a 6555.30
1957 1238.50 829.50 776.00 574.14 a 357.00 118.50 29.00 68.50 144.83 a 615.50 916.00 979.08 a 6646.55
1958 1044.50 715.50 925.50 664.50 259.50 208.50 32.00 19.50 244.00 429.00 770.50 850.00 6163.00
1959 940.00 878.50 783.50 516.50 523.00 184.50 41.50 79.00 293.50 470.00 789.50 1140.50 6640.00
1960 1111.50 905.73 a 709.50 631.50 519.00 78.00 7.50 124.50 113.50 494.00 837.41 a 1009.00 6541.15
1961 942.00 789.00 839.00 587.00 464.50 111.50 32.50 15.50 280.50 515.50 884.50 1101.53 a 6563.03
1962 1299.00 953.00 886.00 518.50 520.00 193.50 69.50 84.50 142.50 522.00 726.00 937.50 6852.00
1963 1112.50 636.00 815.50 790.50 350.00 268.00 118.00 78.00 118.50 489.50 811.00 985.00 6572.50
1964 1156.00 1088.50 935.00 680.50 494.50 243.50 45.00 90.00 259.00 400.00 872.00 996.50 7260.50
1965 1053.00 794.50 737.50 577.00 454.00 189.50 58.00 98.00 290.50 406.50 774.00 1157.50 6590.00
1966 1089.50 911.50 761.00 519.50 265.50 246.50 101.50 63.00 155.50 475.50 781.50 969.78 a 6340.28
1967 1012.00 782.50 892.50 847.00 383.50 185.50 13.50 8.50 72.50 512.00 733.00 1262.50 6705.00
1968 1137.38 b 692.00 722.00 634.00 391.00 172.50 14.00 138.00 192.50 487.50 821.00 1138.22 a 6540.10
1969 1177.50 976.50 850.50 628.00 243.00 154.00 35.00 57.00 152.00 628.50 781.50 966.00 6649.50
1970 963.50 743.00 792.00 781.50 360.00 172.00 18.50 28.50 272.00 543.00 739.50 1138.73 a 6552.23
1971 1030.50 848.50 926.50 645.50 390.50 224.50 49.00 20.50 286.00 593.00 827.00 1223.50 7065.00
1972 1201.50 857.50 651.50 669.50 293.50 99.50 28.33 b 68.00 284.00 474.50 855.00 1257.05 a 6739.88
1973 1119.62 a 791.00 863.35 a 584.00 264.53 a 144.31 a 38.50 61.00 188.00 505.82 a 838.00 930.50 6328.63
1974 1123.00 879.76 c 787.50 639.31 a 413.00 90.00 64.50 44.00 67.50 451.00 763.50 1037.98 a 6361.05
1975 1208.00 928.50 887.00 770.00 375.62 a 200.69 a 45.50 92.50 43.50 551.50 907.78 c 959.40 b 6969.98
1976 979.50 889.00 904.00 661.00 316.00 257.78 c 29.97 a 134.50 134.00 447.00 708.10 a 1055.00 6515.85
1977 1336.62 a 797.00 905.50 512.59 a 588.48 a 62.00 49.50 50.00 238.00 474.50 817.76 a 967.00 6798.94
1978 907.00 787.50 637.50 672.00 445.00 137.68 b 40.50 116.25 e 300.60 e 369.50 910.00 1196.00 6519.53
1979 1179.50 858.50 713.50 634.50 306.50 141.50 57.00 80.50 100.50 395.50 910.50 964.00 6342.00
1980 1021.00 745.50 853.02 a 548.00 413.33 a 280.50 35.65 a 62.50 156.50 464.50 778.50 972.50 6331.50
1981 905.50 786.50 749.00 524.00 422.50 168.00 41.33 a 21.00 187.00 584.00 748.00 894.50 6031.33
1982 1188.00 875.50 858.50 690.50 357.02 a 163.50 73.00 46.50 b 0.00 z 543.00 923.00 1080.00 6798.52
1983 978.00 775.50 757.50 695.00 361.00 205.34 a 116.50 51.84 b 163.33 c 446.50 851.50 1085.50 6487.52
1984 1023.00 847.00 711.50 668.00 378.50 216.50 0.00 18.50 212.50 665.43 b 881.00 1248.50 6870.43
1985 1180.50 914.00 898.50 459.50 358.50 92.59 a 8.86 c 62.50 318.00 574.53 a 1060.50 1101.00 7028.98
1986 823.50 712.50 619.00 571.50 386.50 72.50 50.00 12.00 398.28 a 461.00 768.00 1016.00 5890.78
1987 1089.50 809.50 778.00 397.50 272.28 a 67.00 103.50 48.05 a 101.00 300.50 771.21 a 1062.27 a 5800.31
1988 1187.76 d 841.50 726.50 501.50 400.50 187.00 20.00 15.50 205.00 291.00 835.00 1107.50 6318.76
1989 1278.50 1097.50 792.05 a 437.00 391.00 82.00 0.00 z 67.00 148.50 534.50 820.50 1002.50 6651.05
1990 998.00 961.00 733.50 411.00 464.50 166.50 29.00 63.00 80.00 480.50 855.50 1285.00 6527.50
1991 1039.50 671.50 855.50 656.00 477.00 238.00 4.50 13.50 51.50 341.50 740.50 984.00 6073.00
1992 970.50 683.00 586.50 399.11 b 111.00 91.00 11.50 21.00 133.50 371.50 814.50 1207.50 5400.61
1993 1257.50 1014.22 a 679.50 613.00 274.00 230.00 125.50 66.00 141.00 409.00 923.00 1029.00 6761.72
1994 930.00 859.00 635.00 505.00 277.00 119.00 6.00 10.00 101.00 524.50 1008.50 1116.50 6091.50
1995 872.50 625.00 773.00 590.50 306.50 204.50 23.50 58.50 81.00 453.00 590.00 904.50 5482.50
1996 984.00 815.50 690.50 537.50 413.50 117.50 24.50 24.00 190.00 455.50 714.00 929.00 5895.50
1997 976.50 791.50 643.00 569.50 181.00 151.50 28.50 13.00 132.50 516.50 705.50 1047.00 5756.00
1998 896.00 802.00 736.50 585.50 528.50 139.50 4.00 8.00 0.00 z 0.00 z 388.50 q 548.50 o 3700.00
1999 401.00 r 598.00 k 384.00 r 294.50 p 198.50 q 39.00 t 15.50 w 6.00 n 15.00 r 218.00 m 428.00 k 543.50 o 0.00
2000 549.50 m 214.50 u 376.50 o 253.50 o 140.00 r 78.00 l 23.50 u 10.00 q 67.00 p 239.00 q 444.50 p 330.00 u 0.00
2001 425.00 r 428.00 n 347.50 n 270.50 r 30.00 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 1105.04 867.77 794.39 573.39 373.02 179.38 39.38 53.26 187.97 480.78 802.28 1051.61 6505.50
S.D. 144.81 119.53 106.95 99.85 102.53 63.27 34.24 35.96 79.90 89.44 84.10 106.29 458.04
SKEW 0.61 0.47 0.15 0.05 0.17 0.04 1.33 0.68 0.30 -0.39 0.18 0.24 -0.28
MAX 1516.50 1202.00 1198.50 847.00 643.25 336.50 146.50 145.50 398.28 683.50 1060.50 1285.00 7623.50
MIN 823.50 625.00 480.00 329.50 111.00 33.50 0.00 0.00 32.00 209.50 590.00 815.00 5268.00
NO YRS 100 102 101 102 102 104 101 100 99 100 99 100 86