OROFINO, IDAHO

Monthly Total Heating Degree Days

(106681)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198112
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
1903 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 16.50 p 259.50 454.50 806.00 1005.00 2525.00
1904 1007.50 870.50 433.00 o 420.00 280.00 164.00 34.50 22.45 b 129.00 0.00 z 0.00 z 0.00 z 2927.95
1905 0.00 z 0.00 z 456.00 g 367.50 260.50 53.00 0.00 z 21.18 a 148.50 657.50 942.00 0.00 z 2450.18
1906 0.00 z 0.00 z 0.00 z 327.86 b 0.00 z 0.00 z 0.00 0.00 z 148.50 407.50 786.00 914.50 2584.36
1907 1244.50 810.50 687.00 449.50 201.00 0.00 z 4.00 61.00 114.00 263.50 757.00 1030.50 5622.50
1908 1035.00 853.50 725.00 390.00 317.50 156.43 b 3.00 43.00 134.50 506.00 731.00 1052.00 5946.93
1909 1302.50 767.00 614.00 557.50 297.00 68.00 33.50 33.00 121.00 439.88 b 731.00 1109.00 6073.38
1910 1190.00 992.00 555.50 335.00 200.50 83.50 1.50 82.00 161.00 390.00 755.50 939.50 5686.00
1911 1086.00 922.50 677.50 491.50 380.00 67.50 12.00 7.00 220.00 553.00 933.50 1064.50 6415.00
1912 1103.00 799.00 787.00 495.50 260.50 80.00 43.50 56.00 277.00 545.50 774.00 995.00 6216.00
1913 1215.00 1100.00 872.50 489.50 274.50 76.50 49.50 24.50 129.00 559.50 748.50 1104.00 6643.00
1914 973.50 842.00 581.00 417.50 182.00 140.00 5.50 4.00 169.00 353.50 720.00 1230.50 5618.50
1915 1123.00 752.00 556.50 320.50 275.00 124.50 36.00 0.00 155.00 414.50 806.00 1012.00 5575.00
1916 1462.50 910.50 650.00 467.00 402.00 133.50 16.00 32.00 151.50 583.50 928.00 1200.50 6937.00
1917 1181.50 876.50 919.50 546.50 300.50 142.50 5.50 0.00 59.00 488.00 686.00 827.00 6032.50
1918 942.00 887.50 639.00 432.00 309.50 31.50 1.50 34.00 31.50 356.50 d 750.00 c 619.00 k 4415.00
1919 476.00 s 535.50 j 539.00 f 235.50 i 217.00 51.50 0.00 0.50 72.00 g 504.00 792.00 1352.50 2917.50
1920 1135.00 734.50 688.50 306.00 l 246.00 71.00 0.00 16.50 42.00 h 408.00 g 709.00 945.50 4546.00
1921 982.00 778.08 b 556.89 c 451.50 179.00 10.86 a 13.50 0.00 197.00 323.00 709.00 973.50 5174.33
1922 1233.28 a 998.67 d 785.50 530.00 280.00 7.00 0.00 7.50 73.00 364.50 851.79 b 1180.00 6311.24
1923 911.00 972.50 709.00 427.00 220.00 93.50 f 0.00 a 0.00 90.50 377.00 713.00 973.50 5393.50
1924 1189.50 671.00 719.00 445.00 61.00 i 44.00 4.00 14.50 137.00 444.00 769.50 1272.50 5710.00
1925 950.50 698.00 632.50 275.50 100.00 74.50 0.00 21.59 c 69.83 a 507.00 736.50 806.50 4872.42
1926 981.50 655.00 552.00 241.55 a 150.00 50.17 a 1.55 a 6.20 a 219.00 417.43 b 711.96 b 983.39 d 4969.76
1927 1029.20 a 729.08 b 701.63 a 454.29 b 297.71 b 21.72 a 1.60 b 13.95 a 189.00 e 332.00 f 671.67 c 1270.50 5380.35
1928 1044.24 d 864.20 d 477.00 h 484.04 d 97.02 d 86.79 b 7.20 c 4.02 d 118.97 a 451.05 a 1231.00 1622.00 6010.51
1929 1302.52 a 1230.00 713.50 536.50 289.00 107.50 0.00 0.00 f 174.00 393.00 851.00 876.00 6473.02
1930 1476.50 733.50 651.00 231.50 229.00 79.50 0.00 0.00 77.00 483.50 828.62 a 1176.50 5966.62
1931 940.85 a 786.00 672.50 445.00 137.00 32.00 1.00 0.00 193.50 532.50 403.00 t 1096.50 4836.85
1932 1068.00 960.00 706.00 378.50 192.50 49.50 2.00 17.22 d 101.50 329.00 626.00 744.50 h 4430.22
1933 963.00 1003.69 b 643.50 399.81 d 308.40 b 31.50 0.00 1.50 137.50 335.00 632.50 787.50 5243.90
1934 756.00 567.00 415.50 173.50 94.00 29.00 0.00 0.00 153.00 372.50 0.00 z 883.50 3444.00
1935 1060.00 769.50 767.00 489.50 78.00 n 50.50 5.50 10.50 67.00 468.50 857.00 1003.00 5548.00
1936 969.50 1273.41 a 736.00 301.03 a 111.71 b 32.00 0.00 0.50 80.40 e 371.00 971.00 964.00 5810.55
1937 1549.45 c 944.50 617.13 d 516.50 188.50 112.00 2.50 19.00 85.00 330.00 637.50 892.00 5894.08
1938 911.40 a 736.50 641.00 391.00 230.95 a 34.00 0.00 4.50 28.00 340.50 845.00 1004.00 5166.85
1939 882.00 869.50 433.00 g 341.50 138.50 95.00 5.00 0.00 65.17 a 404.50 726.00 839.00 4366.17
1940 1003.00 737.50 563.00 372.00 129.96 e 36.50 2.00 0.00 63.50 293.50 838.50 990.21 e 5029.67
1941 946.00 688.50 0.00 z 331.50 182.00 41.00 0.00 1.50 222.00 435.00 719.50 950.50 4517.50
1942 1195.00 828.80 c 730.50 362.50 297.00 120.50 0.00 27.50 104.50 400.50 812.00 936.00 5814.80
1943 1168.04 c 747.00 798.00 386.50 307.50 147.50 9.00 30.50 68.00 391.00 763.00 1011.50 5827.54
1944 1065.00 709.50 f 812.00 417.50 189.00 46.00 5.00 10.50 102.00 333.50 746.50 918.00 4645.00
1945 918.00 727.00 747.50 506.50 198.00 94.00 2.00 1.00 177.00 350.50 749.50 1003.50 5474.50
1946 949.50 721.50 592.50 334.50 177.50 75.00 13.50 2.50 107.00 526.50 769.00 926.50 5195.50
1947 1138.00 730.50 568.00 352.50 88.50 57.00 1.00 6.50 91.50 342.00 751.50 876.00 5003.00
1948 1028.50 842.00 753.50 427.00 218.00 15.50 12.50 4.50 122.00 461.00 775.00 447.50 s 4659.50
1949 1558.00 890.50 678.00 321.00 140.00 48.00 1.50 0.00 96.50 627.15 e 649.50 1041.60 a 6051.75
1950 1409.98 a 899.00 735.50 470.00 274.50 96.50 8.00 3.50 146.50 384.00 679.00 744.00 5850.48
1951 999.00 780.00 527.00 h 385.18 b 192.64 c 82.50 0.50 19.00 91.67 c 313.00 i 534.00 h 1021.45 a 3571.94
1952 1086.55 a 639.50 f 703.50 305.00 c 142.08 a 57.41 a 7.00 12.18 c 61.55 a 324.00 830.50 911.29 b 4441.07
1953 761.50 681.85 a 636.00 447.12 d 275.00 96.50 0.00 2.50 75.00 367.19 b 659.46 b 843.00 4845.12
1954 974.36 b 643.48 a 726.00 429.50 178.00 103.00 4.50 23.50 88.50 487.00 615.52 a 986.04 e 5259.40
1955 954.91 c 840.00 878.00 533.50 285.50 61.00 31.50 0.00 177.00 409.64 c 961.55 a 1049.00 6181.61
1956 1036.50 989.50 741.00 358.50 188.00 81.50 1.50 21.00 70.18 b 427.05 b 780.54 b 901.00 5596.27
1957 1322.00 754.78 e 670.50 431.50 139.00 27.50 0.00 a 4.17 e 38.57 b 342.50 f 810.00 d 906.75 a 5104.78
1958 917.60 a 610.30 a 686.43 c 438.89 c 70.00 18.00 0.50 0.00 132.32 b 391.78 b 737.59 a 823.57 a 4826.96
1959 942.00 744.00 656.00 388.97 a 294.50 42.50 12.00 2.50 126.50 h 410.50 858.62 a 963.50 5315.09
1960 1132.50 830.50 618.89 c 380.50 241.28 a 25.50 0.50 67.50 67.00 414.50 735.50 1015.00 5529.18
1961 969.50 688.50 619.00 430.50 189.00 6.00 0.00 0.00 183.00 484.00 860.19 d 997.50 5427.19
1962 1109.00 778.50 713.50 331.00 253.00 68.00 24.00 6.50 77.00 402.00 639.00 858.50 5260.00
1963 1228.00 705.00 609.50 451.00 154.50 54.00 1.00 0.00 34.00 295.00 691.50 964.50 5188.00
1964 948.50 803.00 726.00 468.00 228.50 55.50 0.00 39.00 154.50 404.00 756.00 1055.00 5638.00
1965 942.00 737.00 764.50 341.50 245.00 49.50 3.00 20.50 200.00 345.00 628.00 924.00 5200.00
1966 931.00 771.00 677.00 435.50 172.50 110.00 9.50 11.50 35.00 497.50 709.00 853.00 5212.50
1967 845.00 726.50 724.50 532.50 255.00 25.50 0.00 0.00 40.50 443.50 709.50 1040.00 5342.50
1968 1058.50 679.50 567.50 508.50 234.50 64.00 12.50 37.50 132.00 509.00 739.50 1063.00 5606.00
1969 1209.50 825.00 696.50 396.00 152.50 49.50 8.50 13.50 114.00 556.50 721.00 932.50 5675.00
1970 984.00 616.00 689.00 555.00 168.00 47.00 0.00 0.00 245.50 472.00 730.00 1014.00 5520.50
1971 959.00 739.00 731.50 415.50 154.00 100.50 20.00 2.00 211.00 487.00 773.50 1004.00 5597.00
1972 1053.50 828.00 568.50 524.00 153.50 43.50 11.50 3.00 199.00 428.00 723.50 1137.50 5673.50
1973 1076.00 737.50 618.00 421.50 180.00 89.50 3.50 2.00 89.00 449.50 781.00 848.00 5295.50
1974 1117.00 692.00 648.00 407.00 283.00 38.50 2.50 2.50 63.00 390.50 670.50 903.50 5218.00
1975 1001.00 824.50 712.00 544.00 308.00 111.50 4.00 38.00 112.00 471.00 807.00 978.50 5911.50
1976 974.50 833.50 786.50 468.00 184.50 162.00 6.50 29.00 64.50 457.50 705.50 1042.00 5714.00
1977 1128.00 723.00 723.00 347.50 302.50 11.00 21.50 30.50 172.00 475.00 830.00 917.50 5681.50
1978 948.50 678.50 542.00 419.50 324.00 65.50 11.50 35.00 163.00 444.00 895.00 1158.50 5685.00
1979 1404.50 860.00 625.50 454.50 212.00 82.50 24.50 0.00 61.50 378.50 822.50 884.00 5810.00
1980 1148.00 783.00 704.00 327.50 218.50 110.50 10.00 60.50 116.50 435.50 715.50 859.50 5489.00
1981 854.00 747.50 602.36 b 0.00 z 0.00 z 0.00 z 39.00 7.50 151.00 0.00 z 0.00 z 596.00 l 2401.36
Period of Record Statistics
MEAN 1074.62 805.77 678.80 415.72 219.29 69.03 7.99 14.96 123.48 429.07 768.57 995.06 5607.24
S.D. 169.22 128.02 87.06 80.81 71.18 39.29 11.41 18.33 58.25 79.15 97.46 140.37 452.16
SKEW 0.94 1.28 0.06 -0.40 0.10 0.60 1.91 1.55 0.47 0.46 1.64 1.56 0.53
MAX 1558.00 1273.41 919.50 557.50 402.00 164.00 49.50 82.00 277.00 657.50 1231.00 1622.00 6937.00
MIN 756.00 567.00 415.50 173.50 70.00 6.00 0.00 0.00 28.00 263.50 615.52 744.00 4826.96
NO YRS 75 73 70 75 74 74 77 76 76 73 74 73 53