WHITEHORSE RANCH, OREGON

Monthly Total Heating Degree Days

(359290)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** 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
1965 0.00 z 0.00 z 0.00 z 578.00 486.81 d 191.00 46.50 0.00 z 0.00 z 0.00 z 776.25 b 1124.50 3203.06
1966 1054.00 b 850.50 h 814.00 529.50 0.00 z 94.00 k 35.28 b 46.50 125.50 284.50 l 718.50 1040.00 4363.28
1967 924.00 730.00 792.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 241.00 q 764.50 1110.00 4321.00
1968 1081.00 732.00 701.00 683.50 384.00 143.00 12.50 142.50 212.59 a 0.00 z 0.00 z 1092.00 5184.09
1969 942.52 e 184.50 w 395.50 m 529.50 251.50 175.00 24.50 27.50 96.50 645.00 0.00 z 0.00 z 2692.02
1970 985.50 765.50 840.50 785.50 376.50 152.00 9.00 2.00 300.00 611.00 752.00 1147.50 6727.00
1971 906.00 811.00 893.00 633.50 383.00 207.00 52.50 20.50 331.00 610.50 832.50 1157.00 6837.50
1972 1108.50 847.50 646.00 671.50 320.00 124.50 39.50 34.00 284.00 534.48 b 825.50 1227.00 6662.48
1973 1146.00 822.50 830.50 618.50 238.50 129.00 33.00 43.50 212.00 480.00 774.50 921.00 6249.00
1974 1126.50 823.50 788.50 617.07 a 398.50 97.50 45.50 52.00 153.00 532.17 a 771.00 1030.00 6435.24
1975 1057.50 855.00 883.50 b 793.97 a 451.50 188.00 19.50 92.00 192.50 488.50 855.52 a 896.50 6773.98
1976 982.50 830.50 926.00 660.00 274.50 196.00 18.00 133.00 202.50 478.50 700.50 1023.50 6425.50
1977 1283.00 775.00 872.50 491.00 511.50 48.00 66.00 57.00 204.50 442.00 736.00 881.50 6368.00
1978 960.50 797.50 600.00 620.00 426.00 159.00 40.50 85.00 264.00 402.00 857.50 1177.50 6389.50
1979 1333.50 817.00 739.50 572.50 311.50 130.50 18.00 60.00 97.50 385.00 932.00 915.00 6312.00
1980 1056.50 754.00 852.50 a 516.50 355.50 253.89 c 12.52 e 70.86 c 161.00 469.00 742.50 b 953.00 6197.77
1981 1080.50 791.50 765.59 c 512.78 c 384.73 c 124.00 f 17.22 d 7.46 d 127.00 h 541.90 e 724.82 b 673.50 g 4826.51
1982 1203.00 894.50 828.50 703.50 424.50 181.50 66.50 11.00 274.00 522.50 984.00 1092.00 7185.50
1983 1019.50 773.50 755.50 699.31 a 398.50 222.00 95.50 39.00 229.00 396.00 781.00 1152.17 a 6560.98
1984 1396.50 959.50 463.50 m 680.00 351.50 256.00 1.00 8.50 209.00 0.00 z 0.00 z 0.00 z 3862.00
1985 1237.50 975.50 876.00 428.00 293.50 0.00 z 5.50 62.00 9.00 z 294.00 p 578.00 l 356.50 v 3878.00
1986 0.00 z 0.00 z 689.20 c 132.00 x 441.50 66.00 74.40 a 0.00 z 358.00 480.00 701.50 1116.00 b 3926.60
1987 1119.50 859.00 488.00 k 194.00 l 191.50 r 134.50 65.00 0.00 z 0.00 z 0.00 z 809.00 1071.50 4058.50
1988 1120.50 592.50 h 799.50 480.50 360.00 137.07 a 12.00 26.19 b 223.50 184.50 i 826.00 1202.00 5187.26
1989 1137.50 1136.50 695.50 449.00 400.50 50.00 l 8.00 69.00 216.00 507.00 797.68 b 1010.50 6427.18
1990 961.50 946.00 727.50 399.00 457.50 163.00 25.50 57.00 85.50 487.50 841.50 1345.00 6496.50
1991 0.00 z 752.00 847.00 634.00 517.50 237.50 3.00 3.00 128.79 a 0.00 z 800.50 1079.50 5002.79
1992 1010.00 757.00 667.50 0.00 z 177.50 0.00 z 45.50 61.00 152.00 359.00 908.28 a 1162.50 5300.28
1993 1324.00 1087.00 698.00 607.50 260.00 257.00 173.00 112.00 229.14 a 466.50 445.00 p 1072.00 6286.14
1994 914.50 921.50 671.50 490.50 271.00 170.50 17.50 4.28 b 90.00 520.00 1018.50 1179.00 6268.78
1995 959.50 625.00 787.00 386.50 j 421.00 0.00 z 32.50 74.50 161.00 507.00 0.00 z 1056.50 4624.00
1996 1003.00 913.50 724.50 0.00 z 0.00 z 0.00 z 13.50 k 55.00 182.50 f 479.00 724.50 881.90 b 4781.40
1997 994.50 0.00 z 0.00 z 0.00 z 114.00 o 145.50 0.00 z 8.50 132.50 519.50 740.00 0.00 z 2540.50
1998 0.00 z 840.50 0.00 z 627.41 a 245.00 n 0.00 z 0.00 z 0.00 z 132.00 581.00 781.00 1150.50 4112.41
1999 0.00 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
2000 0.00 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
2001 0.00 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 393.24 d 798.00 1054.00 2245.24
2002 1042.50 845.50 825.78 b 514.50 350.50 107.50 1.55 a 58.50 144.00 559.50 794.50 940.50 6184.83
2003 831.00 894.00 645.50 621.50 346.00 75.50 0.00 3.00 117.50 321.76 b 935.19 d 957.50 5748.45
2004 1126.33 d 920.48 b 554.50 511.15 d 336.23 e 135.58 d 0.50 32.00 157.00 468.50 885.50 1016.00 6143.78
2005 1137.50 872.50 729.50 566.50 343.50 225.50 0.00 22.00 196.00 445.50 514.00 g 0.00 z 4538.50
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
Period of Record Statistics
MEAN 1075.48 847.69 764.63 587.93 365.77 162.38 32.85 47.89 189.73 487.79 809.07 1067.73 6442.60
S.D. 131.75 103.09 91.60 97.94 80.48 56.09 34.85 36.73 70.47 75.35 80.17 109.83 321.28
SKEW 0.61 0.75 -0.30 0.14 -0.18 -0.04 2.11 0.80 0.54 -0.08 0.90 0.10 0.25
MAX 1396.50 1136.50 926.00 793.97 517.50 257.00 173.00 142.50 358.00 645.00 1018.50 1345.00 7185.50
MIN 831.00 625.00 554.50 399.00 177.50 48.00 0.00 2.00 85.50 321.76 700.50 881.50 5748.45
NO YRS 34 32 32 31 32 29 34 33 32 30 32 33 18