MILTON, OREGON

Monthly Total Heating Degree Days

(355593)

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
1928 1106.00 833.50 500.98 c 450.00 106.50 84.50 0.50 4.50 115.50 363.50 684.50 986.50 5236.48
1929 1333.50 1140.00 552.50 462.50 187.00 67.50 1.50 4.00 212.50 272.00 f 848.50 854.00 5663.50
1930 1578.00 608.50 371.00 i 297.50 237.00 87.93 a 4.00 0.50 64.50 461.50 754.50 1017.00 5110.93
1931 857.00 769.50 585.00 348.00 62.50 56.00 0.00 0.00 107.50 371.50 815.50 987.50 4960.00
1932 976.00 813.00 600.00 318.50 189.00 36.00 0.00 z 11.50 82.50 335.50 550.00 1042.50 4954.50
1933 842.00 952.50 630.50 377.50 291.50 39.00 1.00 10.50 132.00 278.50 663.50 659.00 4877.50
1934 658.00 606.00 389.00 162.50 125.00 33.50 1.50 0.00 139.50 311.50 507.00 811.00 3744.50
1935 892.00 734.50 672.00 481.00 178.00 26.00 12.50 7.50 61.00 443.00 866.50 1001.00 5375.00
1936 865.93 a 1284.00 617.00 270.00 83.50 41.50 0.00 1.00 107.00 243.50 877.00 762.50 5152.93
1937 1486.00 844.50 534.00 396.50 120.38 a 40.00 0.00 19.00 60.00 214.00 576.50 801.00 5091.88
1938 871.00 780.50 378.00 j 296.00 162.23 a 36.21 a 0.00 4.00 21.50 344.50 810.00 863.00 4188.94
1939 794.50 818.50 587.50 319.50 150.50 86.00 3.00 1.00 51.50 339.00 720.50 746.07 a 4617.57
1940 1023.00 697.50 420.50 287.00 89.50 14.00 0.00 0.00 41.50 247.00 830.00 899.50 4549.50
1941 973.50 680.50 453.00 283.50 206.50 40.00 0.00 13.00 113.00 400.00 597.00 814.50 4574.50
1942 1305.50 745.50 543.00 267.00 212.50 65.00 0.50 17.50 31.50 286.23 a 722.50 818.50 5015.23
1943 1184.00 767.00 661.00 285.50 262.50 86.00 12.50 3.00 17.31 d 346.50 729.00 971.50 5325.81
1944 954.00 747.00 387.50 j 342.50 154.00 55.00 1.00 1.00 42.00 232.50 711.00 1003.00 4243.00
1945 833.00 644.50 607.00 424.00 142.50 63.00 0.00 7.50 129.50 259.00 654.00 943.00 4707.00
1946 802.50 619.00 569.50 333.50 136.00 67.50 0.50 2.50 106.00 431.50 738.00 809.00 4615.50
1947 1008.50 655.50 461.00 283.50 57.50 43.50 0.00 8.50 75.00 308.50 654.50 824.50 4380.50
1948 951.50 805.00 638.50 444.00 274.50 17.00 11.00 4.50 140.00 421.00 655.86 a 1020.86 b 5383.72
1949 1476.50 841.50 611.50 212.68 b 98.00 43.50 0.00 3.00 66.00 459.00 535.00 832.50 5179.18
1950 1479.00 839.00 628.50 403.50 191.50 84.00 2.00 2.00 n 76.00 355.50 650.50 728.00 5437.50
1951 885.64 b 717.00 684.50 304.00 112.50 39.50 0.50 17.05 a 57.50 405.00 412.50 m 0.00 z 3223.19
1952 0.00 z 0.00 z 96.00 x 264.50 124.50 52.00 0.50 7.00 34.00 198.00 869.50 298.00 r 1550.00
1953 0.00 z 0.00 z 0.00 z 51.50 y 236.50 119.50 0.00 3.62 a 49.00 289.00 567.86 b 688.50 1953.97
1954 951.00 683.93 a 659.50 386.50 155.50 117.00 l 0.00 w 10.69 b 106.11 c 446.06 d 512.40 e 882.00 4793.68
1955 934.43 c 443.00 l 714.50 501.43 b 244.90 a 29.50 24.28 a 0.00 124.62 d 179.50 m 901.07 b 925.57 c 4400.30
1956 890.06 e 1056.27 c 592.32 c 323.40 e 136.92 a 69.11 b 0.00 i 8.55 b 60.58 d 0.00 z 770.00 c 792.64 b 4699.84
1957 1348.50 b 738.00 577.38 c 333.75 b 94.00 21.72 a 0.00 a 3.62 a 31.67 c 438.02 d 672.41 a 226.50 u 4259.06
1958 0.00 z 0.00 z 619.50 388.50 53.50 7.00 0.00 0.00 67.00 313.50 621.50 788.00 2858.50
1959 875.00 687.00 522.00 319.00 225.00 29.50 5.00 6.00 112.00 312.00 777.00 932.00 4801.50
1960 1194.50 712.00 583.50 326.90 a 223.50 29.00 0.00 20.50 60.00 310.00 616.50 1042.00 5118.40
1961 807.50 477.00 490.50 356.50 182.26 b 10.00 0.00 0.00 120.00 385.50 835.50 831.00 4495.76
1962 986.50 702.00 637.50 257.50 279.50 64.00 10.00 6.50 67.00 350.00 537.50 761.50 4659.50
1963 1093.00 664.50 518.50 424.00 167.50 26.00 3.00 1.50 43.50 260.00 567.00 972.50 4741.00
1964 707.00 632.00 600.50 397.00 202.00 49.00 4.50 18.50 96.50 399.50 688.50 981.50 4776.50
1965 850.00 583.50 654.00 278.00 202.00 28.00 5.00 22.00 131.00 242.50 575.00 862.50 4433.50
1966 805.50 646.50 541.50 323.57 b 134.50 53.00 11.00 t 7.48 b 7.00 v 323.84 c 587.50 694.00 4117.39
1967 610.50 559.00 567.50 495.50 178.50 10.50 0.00 0.00 29.50 278.00 681.00 846.50 4256.50
1968 777.00 620.00 475.50 385.50 155.50 35.50 0.00 18.00 84.00 422.00 637.50 957.50 4568.00
1969 1276.50 813.00 583.50 385.50 108.00 21.50 1.50 14.00 57.50 476.50 627.00 885.00 5249.50
1970 948.00 643.50 599.50 478.00 148.50 53.08 d 0.00 0.00 192.50 454.00 677.00 865.00 5059.08
1971 727.50 653.00 657.00 409.00 157.00 92.00 13.00 1.00 208.50 467.07 a 630.50 880.00 4895.57
1972 964.50 775.00 483.71 b 457.50 144.50 27.50 9.50 5.00 170.50 407.50 655.00 1097.00 5197.21
1973 1005.50 719.50 502.50 347.00 147.00 61.00 2.50 13.50 86.00 352.50 684.00 708.00 4629.00
1974 1050.50 565.00 534.50 390.50 265.16 c 38.00 11.50 1.50 45.50 342.00 618.00 738.50 4600.66
1975 884.00 800.00 678.00 528.00 207.00 64.82 b 1.50 16.50 94.00 317.50 654.00 779.50 5024.82
1976 810.00 721.00 646.00 450.00 148.50 100.00 4.50 25.00 35.00 384.00 671.50 928.00 4923.50
1977 1204.00 644.50 594.00 262.00 262.50 17.00 14.50 17.50 138.50 404.50 684.00 844.00 5087.00
1978 967.00 680.00 493.00 396.50 223.00 34.00 9.00 31.50 117.50 392.00 908.00 1040.50 5292.00
1979 1525.50 773.00 552.00 387.50 143.50 50.50 12.00 0.00 37.00 286.50 898.00 740.50 5406.00
1980 1149.50 822.00 626.00 277.00 184.00 99.50 3.00 32.50 g 93.00 424.50 643.00 768.80 a 5090.30
1981 840.00 708.00 537.00 378.00 221.50 89.50 18.50 0.00 101.00 398.50 623.00 854.50 4769.50
1982 952.50 706.00 603.00 456.50 204.00 54.50 16.00 5.50 167.00 413.50 803.00 879.00 5260.50
1983 716.00 580.00 502.50 397.50 182.00 67.50 22.50 3.00 179.50 413.00 569.00 1251.50 4884.00
1984 892.50 715.50 523.50 428.50 286.50 113.00 2.00 0.50 176.50 432.00 655.50 1100.00 5326.00
1985 1182.00 838.50 627.50 282.50 173.00 41.50 0.00 19.00 195.00 387.00 1098.50 1337.00 6181.50
1986 900.00 705.00 458.00 402.00 242.00 11.50 26.50 0.00 a 183.50 333.00 635.50 1019.00 4916.00
1987 1044.00 691.50 508.50 247.00 135.88 a 42.50 23.50 4.00 61.00 330.50 601.50 920.00 4609.88
1988 972.00 648.00 534.50 323.50 206.00 104.50 11.00 2.00 103.50 187.00 531.50 955.00 4578.50
1989 761.50 1059.00 603.50 282.50 203.00 16.50 0.50 10.50 49.00 338.50 542.00 929.00 4795.50
1990 739.00 709.50 527.00 224.00 207.50 60.00 5.00 2.00 0.50 363.50 504.00 1170.00 4512.00
1991 998.50 527.00 630.50 352.00 232.00 89.50 1.00 0.00 33.00 365.00 681.50 815.50 4725.50
1992 747.00 599.00 444.00 283.45 a 101.50 30.50 11.50 33.00 136.50 320.50 705.50 958.50 4370.95
1993 1202.00 963.50 666.50 345.50 113.50 62.00 7.00 24.50 97.00 301.00 840.00 873.50 5496.00
1994 703.50 762.50 465.00 260.50 129.00 50.00 10.50 0.00 18.00 335.50 679.50 826.50 4240.50
1995 945.50 552.50 566.50 388.50 160.00 90.00 0.00 14.50 47.00 410.00 541.00 894.50 4610.00
1996 912.00 915.50 600.00 316.50 268.50 43.50 2.50 1.00 109.50 333.00 728.50 921.50 5152.00
1997 917.00 677.00 496.00 401.50 125.50 45.00 10.00 1.50 68.50 394.00 683.50 846.00 4665.50
1998 829.50 563.50 532.00 372.00 209.50 18.00 0.00 0.00 29.50 371.00 526.00 843.00 4294.00
1999 669.50 593.00 556.00 421.50 250.50 77.00 17.00 11.50 96.50 386.00 509.50 759.50 4347.50
2000 868.00 722.00 578.50 273.00 162.50 49.50 2.50 2.00 105.50 370.00 844.50 998.50 4976.50
2001 936.50 758.00 525.50 411.50 143.00 69.83 a 1.50 0.00 17.50 300.00 584.50 772.50 4520.33
2002 754.50 623.00 606.50 311.50 183.00 49.50 2.50 4.00 53.00 415.50 679.50 755.50 4438.00
2003 709.50 666.00 417.50 383.00 195.50 17.00 0.00 0.00 35.50 214.00 777.00 860.50 4275.50
2004 1104.50 730.50 440.00 306.50 158.00 68.00 0.00 6.00 61.50 283.00 632.00 800.00 4590.00
2005 924.00 712.00 460.00 334.50 132.50 63.00 0.00 0.00 67.50 315.50 718.00 1066.00 4793.00
2006 640.00 754.50 584.00 370.50 177.00 21.00 1.50 5.50 78.00 333.50 641.50 1001.00 4608.00
2007 1042.50 706.50 494.00 365.00 152.50 45.00 0.00 9.00 87.00 416.00 694.50 868.00 4880.00
2008 990.50 700.00 607.00 480.00 188.50 83.00 1.00 3.50 67.50 376.50 607.00 1094.50 5199.00
2009 954.00 765.00 690.00 364.50 193.50 24.00 0.00 4.00 21.00 463.00 584.50 1130.00 5193.50
2010 515.50 j 623.00 529.50 401.00 281.50 73.50 7.00 14.00 55.50 337.90 a 721.50 909.00 3953.40
2011 845.00 761.00 562.00 532.00 286.00 64.50 1.00 1.00 30.00 295.00 642.50 954.50 4974.50
2012 857.00 771.00 578.00 332.00 191.50 87.00 5.00 3.50 28.00 328.00 631.00 786.00 4598.00
2013 1006.50 641.00 403.00 h 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 1647.50
Period of Record Statistics
MEAN 963.85 728.82 563.80 357.25 177.20 51.97 4.86 7.05 84.54 351.15 680.19 897.29 4835.05
S.D. 212.05 132.22 72.02 75.54 56.83 26.63 6.60 7.86 49.77 68.44 113.17 128.21 388.85
SKEW 1.02 1.52 -0.22 0.13 0.09 0.40 1.56 1.31 0.72 -0.29 0.87 0.78 0.34
MAX 1578.00 1284.00 714.50 532.00 291.50 119.50 26.50 33.00 212.50 476.50 1098.50 1337.00 6181.50
MIN 610.50 477.00 389.00 162.50 53.50 7.00 0.00 0.00 0.50 187.00 504.00 659.00 3744.50
NO YRS 82 82 80 84 85 84 81 83 84 82 84 82 68