ANDREWS WESTON MINE, OREGON

Monthly Total Heating Degree Days

(350189)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199303
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
1969 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.00 p 93.00 600.00 740.50 938.50 2372.00
1970 990.00 750.50 817.50 769.66 a 326.50 139.14 a 3.00 0.00 e 251.00 i 483.00 i 777.50 1206.00 5779.79
1971 1032.50 863.50 904.00 603.50 359.50 183.50 35.00 8.50 288.50 607.00 813.00 1163.50 6862.00
1972 1124.00 886.00 659.50 669.00 287.00 79.00 28.00 7.00 283.50 470.50 857.50 1216.75 a 6567.75
1973 1152.00 840.50 852.50 617.00 247.50 142.50 13.00 21.50 179.50 473.50 817.00 920.00 6276.50
1974 1163.00 863.00 835.50 648.00 390.50 68.50 52.50 34.50 69.50 413.00 747.50 1032.00 6317.50
1975 1059.00 932.00 901.50 837.00 418.50 194.00 7.00 87.00 71.00 502.00 858.00 945.00 6812.00
1976 1051.50 879.50 969.00 657.00 245.50 206.00 20.00 119.00 146.50 406.50 634.00 981.00 6315.50
1977 1232.50 766.00 902.00 441.00 557.00 23.00 24.00 38.00 188.00 386.50 749.50 890.50 6198.00
1978 973.40 a 840.00 588.50 623.00 459.00 116.50 27.50 59.00 250.50 299.50 868.00 1187.82 a 6292.72
1979 1369.00 874.50 754.00 607.00 304.83 a 126.50 19.00 56.50 45.50 352.50 923.00 940.50 6372.83
1980 1116.00 817.18 a 897.50 481.50 377.50 236.38 a 4.00 27.50 119.50 416.00 707.50 894.35 a 6094.91
1981 1078.50 807.00 740.50 455.50 356.50 a 109.50 6.95 b 3.50 126.00 511.00 727.50 890.50 5812.95
1982 1103.50 894.50 832.00 660.00 364.00 144.00 44.00 7.00 252.00 494.00 950.00 1090.50 6835.50
1983 944.00 779.50 792.00 692.50 385.50 138.50 63.00 21.50 161.00 379.50 798.50 1193.00 6348.50
1984 1308.00 976.00 753.50 662.00 319.00 243.00 0.00 13.00 201.21 a 589.50 813.50 1154.50 7033.21
1985 1195.50 960.00 861.50 383.50 266.00 69.50 2.50 27.50 295.00 478.50 1020.00 1204.50 6764.00
1986 865.00 704.50 571.00 549.50 364.00 35.00 32.03 a 5.00 329.00 392.00 679.50 1052.00 5578.53
1987 1107.00 800.50 752.50 331.00 202.00 l 68.00 49.50 12.00 10.00 n 239.00 771.50 1003.33 e 5134.33
1988 1068.98 a 741.00 681.00 433.50 290.00 106.03 a 1.03 a 1.60 b 131.00 0.00 z 801.00 1118.00 5373.15
1989 1107.50 1085.50 661.50 365.00 336.50 36.50 0.00 40.00 109.00 434.50 703.89 c 956.50 5836.39
1990 925.00 887.00 665.50 314.00 383.50 102.50 9.00 42.50 36.00 405.30 d 709.00 1271.50 5750.80
1991 1025.50 615.50 816.00 606.00 459.00 178.50 0.00 0.00 60.00 345.50 773.00 993.00 5872.00
1992 934.00 694.00 583.00 371.50 0.00 z 88.50 23.50 35.50 82.50 310.00 890.00 1105.00 5117.50
1993 1248.50 1074.50 703.00 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 3026.00
Period of Record Statistics
MEAN 1090.58 847.17 770.60 555.55 357.02 123.24 20.20 29.03 159.90 432.08 797.10 1056.18 6312.71
S.D. 123.58 111.65 112.91 145.49 75.95 62.30 18.82 29.61 89.86 96.59 90.93 122.19 421.97
SKEW 0.34 0.25 -0.21 -0.11 0.71 0.29 0.72 1.50 0.41 0.13 0.55 0.14 0.01
MAX 1369.00 1085.50 969.00 837.00 557.00 243.00 63.00 119.00 329.00 607.00 1020.00 1271.50 7033.21
MIN 865.00 615.50 571.00 314.00 245.50 23.00 0.00 0.00 36.00 239.00 634.00 890.50 5578.53
NO YRS 24 24 24 23 21 23 23 23 22 22 24 24 19