MOLALLA 1 NW, OREGON

Monthly Total Heating Degree Days

(355677)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197612
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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 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 853.53 a 853.53
1949 1141.50 692.00 569.00 385.00 225.55 b 134.50 54.50 36.50 109.00 528.00 499.00 769.00 5143.55
1950 1088.00 666.50 633.50 495.50 360.50 154.00 35.50 27.38 a 117.78 c 382.16 b 547.00 519.50 5027.32
1951 784.30 a 625.00 721.78 a 360.00 a 287.00 91.00 25.50 60.50 110.50 392.87 e 587.50 846.30 a 4892.25
1952 816.50 679.00 651.00 418.50 277.00 198.62 a 42.50 40.00 95.50 272.44 e 808.50 729.50 5029.06
1953 536.00 597.00 611.73 a 470.69 a 348.50 227.00 64.50 43.50 107.00 336.50 506.50 697.00 4545.92
1954 767.25 a 603.00 690.00 485.00 290.37 a 241.55 a 103.50 85.50 196.00 406.21 b 477.41 a 773.45 a 5119.24
1955 817.37 a 693.00 736.00 593.50 399.00 171.50 117.00 55.00 175.50 367.35 a 662.50 722.82 a 5510.53
1956 730.50 818.50 644.00 412.50 221.00 191.50 42.88 a 47.50 117.50 411.00 678.50 769.00 5084.38
1957 1016.00 630.00 a 563.00 401.50 233.02 a 124.50 57.50 51.00 40.00 353.50 655.00 666.50 4791.52
1958 672.00 433.00 621.03 a 430.00 154.00 81.00 11.50 2.50 123.50 307.00 563.00 597.00 3995.53
1959 677.87 a 596.50 587.50 431.00 337.50 129.00 42.50 32.00 173.00 326.50 603.50 777.50 4714.37
1960 865.50 652.00 597.00 431.00 363.00 101.79 b 47.00 75.00 138.00 331.00 569.00 800.00 4970.29
1961 650.00 498.00 546.50 444.00 291.50 73.00 24.50 7.00 179.50 385.50 673.00 721.50 4494.00
1962 827.00 633.50 626.00 378.50 383.00 155.00 71.50 36.50 86.90 a 359.71 b 517.50 724.50 4799.60
1963 947.50 433.50 594.00 490.50 270.50 175.00 91.50 34.00 49.00 325.50 522.50 754.00 4687.50
1964 681.00 676.00 620.00 506.00 364.50 179.50 52.00 69.00 160.00 323.50 655.50 767.50 5054.50
1965 719.00 593.00 536.00 393.00 358.00 154.50 34.00 19.00 139.00 278.50 475.00 817.00 4516.00
1966 743.00 632.50 590.00 397.00 305.50 143.00 49.50 25.00 82.00 353.00 511.00 614.00 4445.50
1967 640.50 585.00 621.50 568.50 292.50 65.00 14.50 3.00 33.50 322.50 538.50 704.00 4389.00
1968 751.50 463.50 501.00 505.50 302.50 146.00 38.00 61.00 139.50 399.00 545.00 807.00 4659.50
1969 909.50 660.00 567.00 448.00 212.00 71.00 73.50 67.50 143.00 443.00 604.50 690.50 4889.50
1970 714.50 528.50 554.00 533.50 305.00 113.00 43.00 56.00 212.00 439.00 568.50 764.00 4831.00
1971 775.50 649.50 671.50 477.50 288.00 206.00 67.00 23.00 195.50 452.00 610.50 779.50 5195.50
1972 818.50 621.50 487.50 540.00 224.00 124.50 30.50 32.50 206.00 438.00 550.00 877.50 4950.50
1973 814.50 570.00 589.50 445.00 271.50 156.00 39.50 103.50 112.00 389.00 629.00 653.50 4773.00
1974 851.00 659.00 578.50 467.50 353.50 139.50 59.00 51.00 69.50 365.00 562.00 689.50 4845.00
1975 699.00 629.50 679.00 576.50 316.50 187.00 47.50 99.00 108.50 388.50 601.00 687.50 5019.50
1976 712.00 703.50 679.93 a 495.50 325.00 255.54 b 60.00 90.00 118.93 b 403.00 556.00 827.91 b 5227.31
Period of Record Statistics
MEAN 791.67 615.07 609.55 463.60 298.57 149.62 51.42 47.62 126.36 374.26 581.32 737.95 4842.89
S.D. 135.27 84.74 60.92 62.27 58.76 50.76 24.43 27.28 48.70 56.41 73.41 80.56 310.47
SKEW 0.86 -0.43 0.13 0.37 -0.43 0.18 0.87 0.31 -0.03 0.46 1.01 -0.62 -0.49
MAX 1141.50 818.50 736.00 593.50 399.00 255.54 117.00 103.50 212.00 528.00 808.50 877.50 5510.53
MIN 536.00 433.00 487.50 360.00 154.00 65.00 11.50 2.50 33.50 272.44 475.00 519.50 3995.53
NO YRS 28 28 28 28 28 28 28 28 28 28 28 29 28