SITKUM, OREGON

Monthly Total Heating Degree Days

(357866)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196905
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
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 112.00 255.00 586.00 610.50 1563.50
1945 631.00 567.00 671.50 517.50 347.50 235.50 121.00 142.50 224.00 357.50 540.00 609.00 4964.00
1946 702.00 607.50 580.50 479.50 297.50 235.50 99.50 95.50 193.00 437.62 a 618.00 651.50 4997.62
1947 782.00 480.67 a 492.38 a 362.50 234.50 198.00 114.50 115.50 147.00 302.00 542.50 657.50 4429.05
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 124.50 97.59 d 193.00 359.50 628.50 856.38 c 2259.47
1949 973.63 d 673.50 584.00 414.00 288.09 b 212.07 a 112.50 113.31 b 168.62 a 497.55 a 381.50 736.77 a 5155.53
1950 925.57 c 607.70 a 636.69 e 501.96 b 349.86 c 88.50 r 78.10 e 68.00 234.44 c 206.00 i 154.00 t 458.11 d 3860.44
1951 747.32 c 577.00 697.00 436.07 b 338.70 d 165.50 96.44 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3058.04
1952 0.00 z 648.20 b 678.50 0.00 z 104.00 r 296.50 87.50 115.00 122.50 290.00 639.00 734.50 3611.70
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 80.00 f 179.00 333.50 558.00 677.50 1748.00
1956 748.00 755.50 646.50 426.50 294.50 225.50 82.00 67.00 144.50 409.00 565.00 682.00 5046.00
1957 886.00 535.50 548.50 417.00 262.50 111.50 74.00 76.50 70.00 378.50 590.00 649.00 4599.00
1958 618.00 444.00 642.50 435.50 193.50 110.50 21.00 7.50 118.50 270.00 485.00 519.00 3865.00
1959 619.00 609.50 561.00 401.50 359.50 188.50 65.50 72.50 204.50 282.00 515.50 697.50 4576.50
1960 748.50 612.50 521.50 442.50 378.50 112.50 62.50 97.50 112.50 350.00 578.50 683.00 4700.00
1961 608.50 522.50 598.00 467.50 389.00 126.50 63.50 26.50 203.50 388.50 626.50 0.00 z 4020.50
1962 724.88 a 576.00 625.50 366.50 392.50 180.00 89.50 66.65 a 104.00 311.00 462.00 592.00 4490.53
1963 763.50 354.50 602.00 539.50 328.50 202.00 128.50 93.50 84.00 313.50 503.50 603.50 4516.50
1964 697.50 609.00 622.50 540.00 399.50 230.50 101.50 103.00 170.00 234.88 e 431.50 j 0.00 z 3708.38
1965 0.00 z 0.00 z 0.00 z 0.00 z 137.50 r 201.00 57.72 b 28.00 134.00 186.50 433.50 726.00 1766.72
1966 662.00 592.50 550.00 340.00 315.00 152.00 59.50 j 59.00 79.00 293.50 465.00 b 351.00 k 3508.00
1967 637.57 a 512.00 659.50 604.50 302.77 a 133.50 55.00 7.00 82.00 362.00 495.50 539.50 j 3851.33
1968 781.50 447.00 507.50 526.50 356.00 189.00 91.50 102.50 132.50 395.50 526.00 748.50 4804.00
1969 835.00 760.00 595.00 500.00 182.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2690.00
Period of Record Statistics
MEAN 741.66 574.60 601.03 458.90 323.77 184.53 86.31 77.73 146.03 333.69 536.97 660.68 4678.64
S.D. 106.01 99.33 58.18 69.82 56.12 50.82 27.42 37.43 49.34 72.20 70.10 90.30 352.20
SKEW 0.64 -0.13 -0.23 0.17 -0.66 0.14 -0.39 -0.50 0.16 0.17 -0.39 -0.21 -0.76
MAX 973.63 760.00 697.00 604.50 399.50 296.50 128.50 142.50 234.44 497.55 639.00 856.38 5155.53
MIN 608.50 354.50 492.38 340.00 193.50 110.50 21.00 7.00 70.00 186.50 381.50 458.11 3865.00
NO YRS 19 20 20 19 18 19 20 20 22 21 20 18 12