MITCHELL 17 SW OCHOCO, OREGON

Monthly Total Heating Degree Days

(356243)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1909 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
1910 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
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 0.00 z 0.00 z 0.00 z 0.00
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 z 327.78 c 469.98 c 924.00 1131.50 2853.26
1937 1614.50 1029.26 a 849.50 0.00 z 393.91 b 241.00 f 96.32 c 189.62 a 225.00 497.50 773.50 910.07 c 6579.18
1938 1024.07 b 961.15 b 952.45 b 601.03 a 488.50 231.00 89.00 172.50 187.50 586.93 a 1017.50 1097.50 7409.14
1939 1094.00 1072.00 841.00 548.50 415.50 371.90 a 115.50 102.50 285.00 a 607.50 822.50 937.50 7213.40
1940 1197.00 933.50 789.50 665.89 b 396.00 209.50 83.00 58.50 133.00 426.00 0.00 z 1062.50 5954.39
1941 1050.50 855.50 774.50 622.00 452.50 329.50 87.00 166.00 449.46 b 593.77 e 802.50 b 1075.50 7258.73
1942 1242.50 1014.00 922.50 635.50 608.78 b 384.50 92.00 134.00 266.00 529.14 b 926.00 1097.00 7851.91
1943 1308.00 946.00 943.50 590.69 a 600.50 443.00 120.00 197.37 a 190.50 599.50 833.79 a 1125.50 7898.35
1944 1171.00 1048.00 965.00 722.00 525.00 395.50 156.50 198.50 286.00 475.00 1023.00 1204.50 8170.00
1945 1144.42 a 935.41 a 1003.00 799.80 e 491.98 d 376.50 97.65 a 114.50 317.68 b 574.50 1010.50 1179.00 8044.93
1946 1228.63 a 1033.00 934.50 653.50 480.00 368.00 163.00 124.00 d 403.00 836.00 991.50 1068.50 8283.63
1947 1251.00 837.50 791.00 629.50 379.50 405.00 175.00 237.00 260.00 593.00 978.50 1134.50 7671.50
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 405.52 a 226.00 s 453.00 p 1378.00 1783.52
1949 1782.50 1141.00 1019.00 731.90 a 483.00 331.50 179.00 172.71 c 253.00 734.46 e 784.50 1245.50 8858.07
1950 1502.50 958.74 a 1027.81 b 836.50 517.50 323.00 92.50 92.00 326.90 a 345.00 j 861.21 a 949.50 7488.15
1951 1291.50 979.00 1078.50 662.59 a 544.57 a 360.50 135.00 233.02 a 321.67 c 648.42 a 980.89 b 1307.37 e 8543.01
1952 1380.00 1129.00 1103.48 e 0.00 z 491.57 c 392.14 b 149.50 167.92 a 234.11 b 465.00 c 1083.75 b 1250.13 e 7846.60
1953 709.00 i 964.17 e 989.02 e 584.50 g 639.93 c 342.00 i 155.52 a 176.00 241.03 a 631.92 e 810.00 d 1089.00 5696.60
1954 1201.77 a 833.00 b 1058.59 d 684.60 e 459.63 e 410.77 d 169.00 275.00 384.50 728.50 e 790.34 a 930.00 g 6995.71
1955 1336.74 b 1149.22 e 1087.67 b 893.28 a 654.00 317.88 d 253.68 a 156.00 346.00 439.00 i 425.50 q 740.50 k 6194.48
1956 846.50 h 953.50 f 939.76 d 531.00 g 325.50 k 231.00 h 101.55 b 191.88 b 307.50 493.00 f 761.00 f 1066.52 e 2607.21
1957 1567.10 b 1004.64 c 917.17 b 703.00 472.50 271.03 a 252.00 299.50 292.50 b 758.00 1046.25 b 1079.00 8662.70
1958 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
1959 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
1960 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
1961 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 682.60 e 0.00 z 1181.10 a 1863.70
1962 1312.85 a 991.00 1006.35 d 592.76 a 642.50 350.56 c 201.00 249.50 288.50 654.58 e 551.50 k 671.50 k 6289.59
1963 862.50 j 550.00 h 590.00 k 595.00 h 362.50 i 254.50 h 254.50 184.50 192.00 572.00 904.00 1091.50 3198.50
1964 1187.00 1044.00 985.80 a 779.00 605.53 a 332.00 145.00 212.00 395.00 558.52 a 993.00 1156.50 8393.35
1965 1107.22 a 874.00 918.00 649.00 558.00 c 312.00 160.17 a 198.00 504.00 502.72 a 663.00 g 1175.33 b 6958.43
1966 1175.33 b 1019.50 891.25 c 655.50 468.44 d 325.00 211.00 153.00 295.20 e 613.44 e 866.79 b 1117.00 7791.45
1967 1138.00 974.50 1061.00 965.50 565.50 310.50 92.00 44.50 187.00 613.91 c 870.00 c 1203.50 8025.91
1968 1189.00 859.00 813.50 770.50 579.81 d 0.00 z 0.00 z 222.00 279.23 d 676.32 a 940.00 1210.00 7539.36
1969 1373.50 1127.26 a 1024.11 c 744.31 a 470.68 a 252.00 173.60 a 200.00 307.00 766.45 b 604.50 i 1030.15 e 7469.06
1970 777.00 i 652.00 g 623.50 k 538.00 k 569.48 d 226.00 106.00 92.50 461.00 675.59 b 868.80 e 1289.37 d 4288.74
1971 1166.63 a 775.00 f 1065.48 d 741.11 c 541.00 408.75 b 160.50 60.00 447.50 394.50 j 926.79 b 1297.00 6814.76
1972 1302.00 b 965.80 a 816.33 d 768.10 a 487.00 274.50 128.00 135.00 508.85 d 580.50 f 921.50 1092.50 h 6307.09
1973 1225.00 942.15 a 941.50 746.90 a 432.45 a 300.00 a 111.00 162.75 c 322.76 a 669.82 c 1010.36 b 1031.00 7895.68
1974 1279.50 967.00 935.50 740.50 568.50 196.50 181.50 153.50 248.50 607.50 876.21 a 0.00 z 6754.71
1975 0.00 z 0.00 z 1053.00 971.00 567.00 389.00 121.00 245.00 316.03 a 692.00 987.00 1088.50 6429.53
1976 0.00 z 1075.00 1041.00 769.00 544.00 397.00 149.12 b 243.87 a 310.50 637.50 801.00 1108.00 7075.99
1977 1280.50 834.50 999.50 618.00 733.50 199.44 c 178.00 130.50 468.00 622.50 994.00 1068.50 8126.94
1978 872.50 g 868.00 751.50 767.50 651.50 281.00 144.00 204.00 428.00 583.50 1144.00 1394.00 7217.00
1979 1568.00 1034.00 888.50 745.00 520.50 321.43 b 143.00 152.50 219.31 a 492.50 1068.00 1061.00 8213.74
1980 1216.00 911.50 904.00 670.00 503.20 c 398.28 a 142.50 246.50 318.00 599.50 886.50 1070.65 d 7866.62
1981 1015.50 978.00 846.50 731.00 518.50 304.00 181.00 81.00 312.50 690.27 a 873.50 1073.52 d 7605.29
1982 1307.00 1114.50 934.50 790.50 553.50 251.50 202.00 111.50 381.50 687.50 999.50 1186.50 8520.00
1983 1076.50 879.50 835.50 785.00 494.50 378.50 270.00 106.50 423.50 656.50 954.00 1461.50 8321.50
1984 1275.00 1113.50 977.00 894.50 639.00 462.12 d 229.00 0.00 z 392.50 779.65 a 996.00 1359.50 9117.77
1985 1308.00 1034.50 1013.38 b 532.00 394.00 249.50 30.50 195.00 485.00 752.50 1188.50 1377.00 8559.88
1986 1130.00 961.33 a 692.50 744.31 a 466.00 238.50 276.42 a 69.00 537.50 566.50 826.00 1169.00 7677.06
1987 1291.50 911.68 c 843.72 a 513.10 a 408.34 b 169.82 b 202.53 a 165.50 203.79 a 473.00 946.07 b 1241.50 7370.56
1988 947.50 h 860.50 855.00 594.00 522.00 281.25 b 122.00 121.00 334.50 342.00 943.00 1182.00 6157.25
1989 1264.50 1257.50 813.00 535.50 505.50 243.50 132.50 211.50 336.50 633.00 893.50 1157.50 7984.00
1990 1164.50 1095.00 844.50 579.50 617.00 351.50 85.50 159.00 148.50 643.00 791.50 1327.00 7806.50
1991 1181.50 804.50 914.00 693.00 714.00 445.00 76.00 56.00 240.00 526.00 852.50 1106.50 7609.00
1992 1130.00 874.00 709.00 609.00 350.00 219.00 75.00 86.50 310.50 565.00 1040.50 1249.50 7218.00
1993 858.00 k 1192.00 999.00 797.00 464.00 331.00 249.50 187.00 364.50 547.50 1049.00 1003.50 7184.00
1994 1028.68 a 916.00 762.50 598.00 515.00 319.50 65.00 81.50 124.50 684.50 1107.50 1110.32 a 7313.00
1995 1087.00 745.50 874.50 740.00 541.00 308.00 0.00 z 0.00 z 0.00 z 0.00 z 803.00 456.00 p 5099.00
1996 1190.92 a 1037.00 887.50 652.50 577.50 312.00 58.00 104.00 300.50 652.00 826.50 1101.50 7699.92
1997 1201.50 886.00 852.50 669.50 395.50 335.50 135.50 65.00 263.50 652.00 817.00 1182.50 7456.00
1998 1094.50 900.50 823.50 679.00 591.50 323.00 27.50 51.50 211.00 691.00 874.00 1191.36 b 7458.36
1999 1025.50 928.50 929.50 737.00 607.50 338.50 135.00 79.00 318.50 549.50 751.50 1180.00 7580.00
2000 1250.00 997.50 862.00 587.50 513.50 249.50 104.50 82.50 367.00 280.00 p 1102.20 e 1119.50 7235.70
2001 1121.34 b 958.50 817.50 789.83 a 404.79 e 279.50 139.00 58.50 212.50 261.00 t 447.00 o 371.00 u 4781.46
2002 775.00 k 517.50 m 468.50 q 419.00 k 292.50 o 155.50 h 57.00 f 155.00 g 118.00 s 389.00 k 364.00 n 0.00 z 0.00
2003 502.00 k 552.00 j 464.00 j 470.00 h 258.50 k 0.00 z 55.50 i 38.00 l 126.00 m 104.00 u 0.00 z 0.00 z 0.00
2004 126.00 z 618.50 l 287.50 s 295.00 q 179.50 u 36.00 y 53.00 k 0.00 z 234.00 i 0.00 z 0.00 z 0.00 z 0.00
2005 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
2006 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
2007 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
2008 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
2009 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
2010 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
2011 1112.79 b 990.23 b 942.00 857.50 695.50 429.00 219.00 94.50 202.50 608.50 950.00 1152.00 8253.52
2012 1096.88 a 953.89 a 944.50 665.50 573.50 396.50 120.50 86.00 208.50 634.50 854.48 a 1138.00 7672.76
2013 1224.50 b 966.50 867.00 16.50 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 3058.00
Period of Record Statistics
MEAN 1231.22 977.03 916.79 704.44 526.09 323.01 142.63 150.00 311.42 612.69 927.82 1155.71 7896.79
S.D. 154.17 102.00 98.20 103.32 86.65 69.83 60.85 64.04 96.31 94.49 103.73 113.47 440.44
SKEW 1.37 0.35 -0.11 0.45 0.20 -0.13 0.22 0.18 0.33 -0.27 0.37 0.49 0.30
MAX 1782.50 1257.50 1103.48 971.00 733.50 462.12 276.42 299.50 537.50 836.00 1188.50 1461.50 8858.07
MIN 1015.50 745.50 692.50 513.10 350.00 169.82 0.00 44.50 124.50 342.00 751.50 910.07 7213.40
NO YRS 54 58 61 56 60 57 61 60 63 56 56 58 36