PILOT ROCK, OREGON

Monthly Total Heating Degree Days

(356634)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 21.50 18.50 0.00 z 467.00 696.21 a 1029.00 2232.21
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 1143.00 758.00 497.50 426.00 257.50 113.50 7.00 16.00 140.00 383.50 708.50 835.00 5285.50
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2600.00
Period of Record Statistics
MEAN 962.87 763.17 658.89 475.60 278.43 112.09 24.80 27.43 141.03 428.83 714.13 934.16 5535.29
S.D. 213.58 113.88 76.19 78.24 61.80 42.29 17.34 19.27 64.41 66.91 118.89 128.80 414.38
SKEW 1.04 0.79 0.06 0.06 0.12 0.27 0.92 0.67 0.41 -0.61 1.12 1.37 0.65
MAX 1567.00 1096.00 850.95 651.00 428.50 194.00 75.00 77.00 302.50 540.50 1118.50 1398.00 6854.50
MIN 626.20 528.50 497.50 327.00 138.50 41.50 0.00 0.50 30.50 239.50 538.97 733.00 4721.09
NO YRS 50 50 51 50 51 51 51 49 49 51 52 50 45