PILOT ROCK, OREGON

Monthly Total Heating Degree Days

(356634)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1908 0.00 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
1909 0.00 z 147.00 u 594.50 447.00 268.50 53.00 19.00 16.00 79.50 358.50 614.50 1140.00 3590.50
1910 1077.80 c 967.04 a 456.50 309.31 a 139.50 74.50 2.00 35.50 141.50 325.50 673.50 887.50 5090.15
1911 887.50 899.00 581.00 430.50 354.50 73.50 5.50 1.50 190.00 457.00 659.42 d 898.50 5437.92
1912 992.00 766.50 778.50 467.50 233.00 92.00 33.00 71.00 194.00 496.00 594.00 900.00 5617.50
1913 986.00 1010.59 a 747.50 427.50 d 225.00 68.50 26.50 13.50 117.78 c 487.50 616.03 a 792.00 h 4726.41
1914 684.00 763.00 479.00 0.00 z 61.50 r 90.50 1.00 0.00 j 151.00 357.50 650.00 1144.00 4320.00
1915 996.00 619.00 524.02 e 287.00 263.50 84.50 8.00 0.00 a 103.39 b 308.50 694.82 b 850.36 b 4739.10
1916 1441.50 d 924.38 e 600.00 427.80 e 0.00 z 2.50 h 17.50 o 28.00 47.50 p 426.00 832.20 e 1006.47 a 5686.34
1917 986.66 b 638.50 f 825.63 a 538.00 329.50 115.71 b 0.52 a 0.00 14.00 o 255.50 k 570.00 547.00 3913.02
1918 721.00 732.00 544.50 388.00 303.50 23.50 9.50 30.00 33.50 269.00 667.00 871.00 4592.50
1919 893.50 749.00 584.00 407.00 244.00 75.50 5.00 8.50 251.90 a 590.50 842.50 1332.50 5983.90
1920 1095.50 894.50 758.00 634.00 420.00 176.00 48.50 59.00 274.50 590.00 851.50 883.50 6685.00
1921 813.50 671.50 558.00 467.50 188.00 32.00 12.00 4.00 150.50 258.00 640.00 998.50 4793.50
1922 1166.00 847.50 693.00 464.00 219.00 8.50 0.00 14.00 46.50 333.50 877.50 1019.00 5688.50
1923 736.50 971.00 605.00 390.00 212.00 123.50 14.50 3.00 83.00 457.50 626.50 838.50 5061.00
1924 1069.00 562.00 676.00 402.50 111.00 35.50 8.00 12.50 130.50 360.00 762.50 1188.00 5317.50
1925 747.50 584.00 616.00 339.50 174.50 98.00 0.00 52.00 143.00 389.00 712.50 897.50 4753.50
1926 1037.50 747.50 0.00 z 349.00 248.00 56.00 0.00 16.50 262.00 346.00 588.50 914.00 4565.00
1927 1076.00 615.00 642.50 436.00 323.50 22.00 13.00 17.50 184.50 335.50 488.50 1074.67 a 5228.67
1928 1042.00 817.50 516.00 432.93 a 106.43 a 74.00 10.00 12.50 120.50 395.00 685.50 1004.50 5216.86
1929 1332.50 1175.00 649.00 559.50 265.50 109.00 5.68 a 7.00 203.50 381.30 a 791.50 744.00 6223.48
1930 1565.50 616.00 590.50 301.00 280.00 105.50 1.50 5.50 114.00 521.00 778.50 1025.50 5904.50
1931 814.00 758.00 667.50 427.00 125.00 79.50 5.50 4.00 160.00 424.00 852.50 974.00 5291.00
1932 972.50 886.00 655.50 442.50 251.00 67.50 17.00 40.50 108.00 371.00 605.00 1111.50 5528.00
1933 898.50 987.00 643.00 447.00 381.00 63.00 2.00 32.50 165.00 285.50 706.00 686.00 5296.50
1934 716.00 648.50 463.50 224.50 149.50 66.00 17.00 1.50 170.00 363.00 558.00 830.00 4207.50
1935 926.00 757.00 701.00 535.00 210.00 45.00 25.50 15.00 40.00 434.00 881.00 996.00 5565.50
1936 896.50 1325.94 b 701.50 306.50 122.00 53.00 0.00 a 1.00 132.00 270.45 b 907.00 809.50 5525.39
1937 1504.10 e 806.50 588.00 462.00 198.40 a 66.50 5.00 27.00 103.50 289.00 596.00 811.17 a 5457.16
1938 932.38 e 788.50 615.50 372.00 237.50 0.00 z 12.00 5.50 30.50 363.00 780.50 911.00 5048.38
1939 796.50 803.50 584.00 352.00 153.00 107.00 10.85 a 5.50 77.07 a 368.00 678.50 749.68 a 4685.60
1940 1052.00 679.83 c 518.00 397.50 140.00 38.50 4.50 1.00 79.50 298.50 877.50 921.39 d 5008.22
1941 957.00 681.00 517.00 361.00 256.50 87.50 0.00 34.00 201.50 468.50 620.50 869.66 c 5054.16
1942 1307.00 783.00 652.50 377.50 0.00 z 0.00 z 0.00 z 0.00 z 72.00 316.00 748.00 813.00 5069.00
1943 1186.50 746.67 a 709.50 200.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2642.67
1944 0.00 z 159.00 w 660.50 396.00 229.50 114.50 10.00 6.00 90.50 228.50 724.50 1051.00 3511.00
1945 862.00 696.50 672.00 464.50 204.50 110.00 3.00 4.50 141.00 312.50 686.50 960.50 5117.50
1946 819.36 b 0.00 z 0.00 z 136.80 e 0.00 z 51.00 i 3.50 0.00 46.55 a 527.50 728.50 827.50 3089.71
1947 1024.50 679.00 527.50 361.50 118.50 113.00 3.50 32.00 102.00 354.00 673.00 821.50 4810.00
1948 931.15 d 845.50 736.50 536.00 309.50 36.50 21.50 21.00 0.00 z 471.00 691.00 1031.50 5631.15
1949 1423.93 a 838.50 659.00 327.00 138.50 65.50 3.00 p 1.00 s 107.50 537.33 a 613.97 a 869.00 5580.23
1950 1477.31 b 868.50 723.50 502.50 292.95 a 117.50 7.50 20.00 122.50 411.78 a 681.50 0.00 z 5225.54
1951 0.00 z 0.00 z 0.00 z 0.00 z 241.00 50.69 a 7.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 298.69
1952 0.00 z 0.00 z 709.38 a 357.50 206.00 115.86 a 18.60 a 11.00 73.97 a 247.50 944.50 925.35 a 3609.66
1953 626.20 a 678.09 e 630.16 b 492.00 344.10 a 179.46 b 9.62 b 24.00 70.00 365.50 538.97 a 763.00 4721.09
1954 944.00 716.50 757.50 435.00 199.95 a 194.00 29.50 54.00 167.59 a 530.74 b 582.41 a 950.15 a 5561.34
1955 980.50 836.37 a 850.95 a 633.10 a 385.00 82.24 a 75.00 21.18 a 177.93 a 407.00 885.50 944.00 6278.78
1956 917.00 1077.00 699.00 435.00 243.50 147.93 a 11.37 a 40.00 88.45 a 502.95 b 836.25 b 891.77 a 5890.21
1957 1429.50 845.00 722.50 472.76 a 198.40 a 59.48 a 30.00 36.00 113.28 a 524.00 756.50 757.43 a 5944.85
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 0.00 z 0.00 z 0.00 z 0.00
1962 0.00 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
1963 0.00 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 333.50 615.00 999.50 1948.00
1964 796.00 744.00 731.00 556.00 376.00 133.00 29.00 48.71 c 204.00 445.00 744.50 968.00 5775.21
1965 916.00 661.00 791.00 414.00 332.00 86.50 34.50 44.78 d 228.00 309.50 623.50 917.00 5357.78
1966 887.00 761.00 665.00 459.50 244.50 139.50 40.50 34.50 82.00 407.00 608.50 748.50 5077.50
1967 715.00 661.50 694.50 609.50 297.50 61.00 0.00 2.30 d 33.50 378.00 721.50 891.50 5065.80
1968 852.00 676.50 557.00 539.00 273.00 91.00 10.50 74.00 98.00 475.50 711.50 969.50 5327.50
1969 1319.50 841.00 680.50 519.00 219.50 55.00 19.00 39.00 132.00 540.50 652.00 907.00 5924.00
1970 980.00 722.00 717.50 609.50 299.00 109.50 11.00 6.00 257.00 493.00 712.50 894.00 5811.00
1971 791.50 695.00 764.00 560.00 230.00 193.50 45.50 9.50 245.50 491.50 681.50 894.50 5602.00
1972 972.00 826.50 586.00 576.00 258.00 77.50 16.50 18.50 224.00 443.00 674.50 1141.00 5813.50
1973 1003.00 753.00 613.50 505.50 229.00 108.50 27.50 37.00 147.50 403.00 701.00 733.00 5261.50
1974 1100.50 616.50 632.00 498.50 351.50 68.50 54.50 29.89 c 92.00 431.00 659.50 840.50 5374.89
1975 881.50 846.00 780.50 651.00 329.50 149.50 17.00 44.50 128.00 428.50 749.00 823.50 5828.50
1976 872.00 847.00 770.00 544.62 d 297.00 188.50 28.00 61.00 87.00 438.50 691.50 922.00 5747.12
1977 1215.50 710.50 728.00 366.60 e 428.50 41.50 41.00 33.00 223.00 468.00 772.50 888.50 5916.60
1978 992.50 701.00 606.00 523.00 376.50 92.00 26.00 77.00 208.50 454.50 968.00 1123.00 6148.00
1979 1567.00 786.00 648.50 513.00 276.50 103.50 26.00 3.50 80.00 372.00 869.00 833.50 6078.50
1980 1169.00 813.00 702.50 418.50 285.00 184.50 18.50 59.50 130.00 466.00 666.50 777.00 5690.00
1981 895.50 734.00 641.00 464.50 312.50 144.50 50.50 19.50 145.34 a 474.50 615.50 837.50 5334.84
1982 898.50 764.50 672.00 557.50 313.50 108.50 39.50 15.50 195.50 489.00 840.50 885.50 5780.00
1983 731.50 587.00 555.00 496.00 273.50 138.50 60.50 4.00 216.50 455.00 587.50 1261.70 a 5366.70
1984 903.50 726.00 599.00 517.50 374.00 183.50 13.00 13.00 226.00 526.00 693.00 1045.50 5820.00
1985 1206.50 918.50 704.00 378.50 243.50 77.50 2.50 51.00 302.50 453.50 1118.50 1398.00 6854.50
1986 842.50 721.00 517.50 504.50 328.00 51.50 67.00 0.50 241.00 385.00 675.50 1007.00 5341.00
1987 1045.00 709.00 577.50 353.28 a 218.50 96.50 37.00 31.00 94.00 378.50 665.50 978.10 b 5183.88
1988 996.65 a 728.50 650.50 407.00 286.00 149.50 31.50 4.50 150.00 239.50 633.00 930.00 5206.65
1989 823.00 1096.00 651.00 a 390.50 283.50 64.00 20.00 30.00 107.00 404.00 596.50 967.00 5432.50
1990 796.00 761.00 630.50 333.50 293.00 118.50 15.00 24.00 30.50 444.00 580.00 1219.00 5245.00
1991 1010.50 528.50 698.00 463.00 330.00 166.00 10.50 5.50 65.00 406.00 684.50 874.00 5241.50
1992 793.00 637.00 561.00 0.00 z 175.50 65.00 18.00 45.50 159.00 356.00 753.00 998.00 4561.00
1993 1208.00 996.50 714.00 463.00 174.00 122.00 53.00 47.00 150.50 336.00 925.00 905.00 6094.00
1994 698.00 842.00 586.00 362.00 218.00 130.00 21.00 7.00 55.50 428.00 741.50 901.00 4990.00
1995 922.00 642.50 644.50 485.50 245.50 141.50 6.00 48.00 69.00 433.50 558.00 923.00 5119.00
1996 870.50 933.00 654.00 404.00 350.00 112.50 20.50 21.00 185.00 411.00 717.00 877.00 5555.50
1997 952.50 729.50 604.00 509.50 209.00 99.00 29.00 2.00 92.00 406.00 629.00 918.00 5179.50
1998 768.00 584.00 599.00 475.00 313.00 93.00 0.00 16.00 74.00 447.50 607.50 934.50 4911.50
1999 742.00 640.00 654.50 541.00 355.00 110.50 34.00 18.50 130.50 400.50 542.50 833.00 5002.00
2000 901.00 741.00 662.50 361.50 268.50 98.50 28.00 21.00 181.03 a 472.00 876.50 1056.50 5668.03
2001 994.00 831.50 610.50 518.00 245.50 160.50 19.50 17.50 78.00 439.50 670.50 868.50 5453.50
2002 847.00 717.00 746.50 463.50 289.50 85.00 15.00 26.00 127.50 536.50 704.50 817.50 5375.50
2003 739.50 725.50 529.00 489.50 281.50 46.00 3.50 6.50 z 56.00 z 0.00 z 876.00 84.50 z 3690.50
2004 0.00 z 758.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 383.50 0.00 z 835.00 1976.50
2005 933.50 778.00 548.00 436.00 209.00 145.50 8.00 12.50 174.00 393.50 777.50 1036.50 5452.00
2006 654.00 807.50 677.00 461.50 275.50 78.00 9.50 24.00 131.00 435.50 652.50 979.50 5185.50
2007 1047.50 727.00 590.50 472.00 220.00 106.50 0.00 18.50 143.00 470.00 754.00 889.50 5438.50
2008 1018.00 705.00 683.50 597.00 254.50 156.00 10.50 30.50 144.00 455.00 590.00 1058.00 5702.00
2009 962.00 826.00 791.50 513.00 264.50 44.00 12.50 8.00 85.50 523.50 666.50 1141.00 5838.00
2010 755.00 625.00 614.00 499.50 362.00 145.50 31.50 31.00 91.50 0.00 z 756.50 858.50 4770.00
2011 864.90 a 809.85 b 638.08 a 578.57 b 389.50 156.21 a 31.00 3.50 76.61 b 414.37 a 721.73 d 985.80 a 5670.11
2012 874.41 b 802.68 a 636.05 c 439.62 d 297.50 158.50 19.63 a 16.50 0.00 z 414.00 0.00 z 784.50 4443.39
2013 1031.00 701.56 a 0.00 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 1732.56
Period of Record Statistics
MEAN 973.37 775.91 645.66 451.17 260.88 98.77 18.44 22.86 134.85 411.73 709.50 933.15 5448.27
S.D. 207.42 132.76 81.63 91.10 73.15 43.83 16.34 18.85 62.57 79.26 111.03 135.70 466.25
SKEW 1.05 1.25 0.02 -0.35 -0.03 0.32 1.21 0.88 0.49 -0.15 0.86 0.72 0.28
MAX 1567.00 1325.94 850.95 651.00 428.50 194.00 75.00 77.00 302.50 590.50 1118.50 1398.00 6854.50
MIN 626.20 528.50 456.50 136.80 106.43 8.50 0.00 0.00 30.50 228.50 488.50 547.00 4207.50
NO YRS 94 93 94 93 92 92 93 91 90 94 95 94 77