PETERSONS RANCH, WASHINGTON

Monthly Total Heating Degree Days

(451760)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1953 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
1954 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
1955 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
1956 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
1957 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
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 230.50 u 728.00 671.50 463.00 378.00 197.59 a 51.00 84.50 233.00 377.34 b 637.50 775.00 4596.43
1960 943.50 710.00 695.50 544.50 401.00 142.00 26.00 134.85 a 158.00 347.50 669.50 773.50 5545.85
1961 732.00 657.50 673.50 544.00 354.50 92.50 48.50 37.00 220.00 466.00 729.00 860.50 5415.00
1962 897.50 662.00 758.50 445.00 470.00 183.50 114.00 91.50 132.00 363.00 579.50 753.50 5450.00
1963 976.00 527.00 676.00 604.50 325.50 237.00 153.00 73.50 86.00 369.00 645.50 802.00 5475.00
1964 850.50 697.00 745.50 572.00 414.50 223.50 100.50 149.50 234.50 348.50 722.50 932.00 5990.50
1965 851.50 697.00 593.50 454.00 394.50 187.50 68.50 87.00 202.50 257.50 518.50 810.00 5122.00
1966 857.50 710.00 687.00 442.24 a 279.50 207.50 94.00 72.00 116.00 408.50 609.00 757.50 5240.74
1967 793.50 681.50 795.00 635.50 348.00 107.50 20.50 3.50 45.00 351.33 a 567.50 869.00 5217.83
1968 865.00 574.50 559.00 481.50 295.50 146.00 50.00 109.00 161.50 422.50 575.00 927.00 5166.50
1969 1082.50 796.50 644.00 505.34 a 225.00 94.50 81.50 81.50 171.50 428.50 549.50 752.00 5412.34
1970 851.50 559.50 619.00 623.50 335.00 123.00 50.00 55.50 233.00 423.50 595.00 861.50 5330.00
1971 890.50 695.00 798.50 557.00 316.00 283.00 101.50 33.00 193.00 475.50 679.00 900.50 5922.50
1972 942.50 764.50 639.50 638.79 a 266.50 151.00 63.00 47.50 281.00 396.00 607.00 971.00 5768.29
1973 936.00 656.00 680.00 471.00 286.50 196.50 62.00 149.00 167.00 434.50 748.00 751.50 5538.00
1974 968.50 751.50 739.00 559.50 452.00 154.00 83.59 c 61.50 78.00 320.00 593.00 778.50 5539.09
1975 881.00 783.50 780.00 685.00 387.50 260.50 97.00 174.50 97.50 452.00 683.50 775.50 6057.50
1976 790.00 766.50 789.00 542.50 314.00 255.50 124.50 136.50 137.00 379.00 541.50 789.50 5565.50
1977 901.50 654.00 806.50 457.00 487.00 162.00 126.00 83.50 272.00 413.50 773.50 828.50 5965.00
1978 840.50 686.00 594.00 576.00 446.00 162.50 100.00 123.00 269.50 331.50 794.50 1001.50 5925.00
1979 1162.50 854.50 650.50 563.00 331.50 190.00 88.00 96.50 116.50 335.50 696.00 792.50 5877.00
1980 1027.50 768.50 775.50 480.00 194.00 n 0.00 z 0.00 z 157.30 d 187.78 c 339.85 d 628.00 768.00 5132.43
1981 713.50 684.44 a 482.00 g 560.69 a 363.00 262.00 134.33 a 60.00 167.14 b 430.50 541.50 807.00 4724.11
1982 934.00 750.08 b 685.10 a 600.50 311.50 152.59 a 78.00 90.00 144.50 378.50 716.00 827.00 5667.76
1983 706.00 598.50 531.00 438.00 235.50 205.00 105.00 24.50 173.50 371.50 581.50 996.50 4966.50
1984 762.00 642.00 571.00 568.50 414.50 249.50 66.00 63.00 177.00 498.00 677.50 940.50 5629.50
1985 885.00 808.00 722.50 486.00 327.50 170.00 11.50 99.00 234.50 463.00 945.00 905.50 6057.50
1986 709.50 695.50 505.50 571.00 351.50 121.50 149.50 13.50 225.00 244.00 578.50 767.50 4932.50
1987 850.00 574.00 590.00 364.00 262.00 128.50 91.00 52.50 90.00 212.50 501.50 858.50 4574.50
1988 843.00 636.50 636.50 434.50 359.00 187.00 69.50 63.50 154.50 224.50 639.00 766.50 5014.00
1989 840.00 868.50 713.00 378.00 321.00 137.07 a 108.50 72.50 80.50 375.50 556.50 728.00 5179.07
1990 761.00 791.50 568.00 367.00 338.50 171.50 44.00 53.50 69.50 469.50 623.50 1000.50 5258.00
1991 848.00 487.50 686.50 522.00 404.00 259.50 51.50 56.00 81.50 318.50 201.50 u 714.00 4429.00
1992 691.00 485.00 383.50 349.00 154.00 84.50 33.50 38.00 150.00 292.00 618.00 892.00 4170.50
1993 952.00 722.50 557.50 500.00 189.00 184.50 129.00 67.50 85.50 255.00 726.50 776.50 5145.50
1994 678.50 741.00 538.00 381.50 236.50 173.50 45.00 28.00 61.50 411.50 801.00 814.50 4910.50
1995 714.50 0.00 z 597.50 494.00 0.00 z 169.50 0.00 z 86.00 0.00 z 379.00 493.00 0.00 z 2933.50
1996 0.00 z 0.00 z 606.00 446.50 401.50 152.50 31.52 a 56.00 180.00 396.50 613.45 a 832.50 3716.46
1997 813.00 644.50 664.00 502.00 181.50 149.50 47.50 16.50 84.00 416.50 490.50 778.50 4788.00
1998 778.00 593.00 577.50 439.00 348.50 116.00 30.00 29.00 64.50 336.00 580.50 860.50 4752.50
1999 763.12 a 714.00 664.50 454.44 c 376.43 c 212.07 a 69.50 31.50 102.00 323.36 b 508.50 720.00 4939.42
2000 841.65 a 642.50 632.73 c 343.00 295.03 b 132.50 45.47 a 68.50 129.64 b 346.50 691.50 774.00 4943.03
2001 742.50 673.50 581.25 a 529.00 266.00 202.76 a 65.50 50.63 a 96.00 392.00 529.50 802.00 4930.64
2002 809.00 642.00 713.00 467.00 341.00 117.00 44.00 48.00 84.50 350.00 476.50 715.50 4807.50
2003 629.00 0.00 z 618.00 496.00 300.50 118.50 24.00 15.50 108.00 0.00 z 680.00 776.50 3766.00
2004 835.00 635.00 519.00 380.00 295.00 131.00 26.00 39.50 144.00 316.50 573.00 715.50 4609.50
2005 751.50 541.00 485.50 445.00 217.00 197.00 44.50 24.00 156.50 333.50 637.00 821.00 4653.50
2006 734.50 691.50 681.50 427.50 0.00 z 116.00 40.00 53.50 97.50 401.50 647.50 773.50 4664.50
2007 868.00 648.50 548.50 456.00 264.00 152.50 21.50 55.00 161.00 427.00 636.00 0.00 z 4238.00
2008 923.50 711.50 709.50 626.50 300.50 235.34 a 56.00 55.00 109.50 362.00 500.00 912.50 5501.84
2009 863.23 e 677.50 763.00 497.00 263.00 105.50 24.50 46.00 82.00 438.00 640.00 897.50 5297.23
2010 665.00 560.00 571.50 516.00 382.00 195.50 71.50 66.50 109.00 312.50 646.00 740.00 4835.50
2011 782.00 728.00 692.00 615.00 384.00 181.50 82.00 22.98 b 70.86 a 334.80 a 644.50 768.50 5306.14
2012 785.16 b 649.50 721.00 354.00 g 198.00 l 173.00 f 31.00 j 17.00 h 68.00 g 341.53 b 525.56 c 957.50 3980.25
2013 857.87 e 949.50 577.93 c 4.50 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 2385.29
Period of Record Statistics
MEAN 837.20 683.98 647.82 499.99 327.83 171.70 69.47 67.68 143.58 369.66 625.68 824.43 5281.69
S.D. 104.97 92.41 90.69 81.86 74.28 49.41 35.95 39.37 61.07 64.30 92.02 79.88 449.35
SKEW 0.56 0.19 -0.30 0.07 -0.12 0.34 0.51 0.86 0.51 -0.35 0.83 0.71 -0.09
MAX 1162.50 949.50 806.50 685.00 487.00 283.00 153.00 174.50 281.00 498.00 945.00 1001.50 6057.50
MIN 629.00 485.00 383.50 343.00 154.00 84.50 11.50 3.50 45.00 212.50 476.50 714.00 4170.50
NO YRS 53 52 54 53 50 52 51 53 52 53 53 52 44