SITKUM 1 E, OR

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(357866)

Base Temperature = 65 F

File last updated on Mar 31, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1944-----z-----z-----z-----z-----z-----z-----z-----z112.00 255.00 586.00 610.50 1563.50h
1945631.00 567.00 671.50 517.50 347.50 235.50 121.00 142.50 224.00 357.50 540.00 609.00 4964.00
1946702.00 607.50 580.50 479.50 297.50 235.50 99.50 95.50 193.00 430.86b618.00 651.50 4990.86
1947782.00 463.50a476.50a362.50 234.50 198.00 114.50 115.50 147.00 288.50a542.50 644.50a4369.50
1948694.50 660.00a647.00 572.00 364.00 145.50 124.50 94.44d193.00 359.50 628.50 828.75c5311.69
1949942.22d673.50 584.00 414.00 278.79b205.00a112.50 109.66b163.00a481.50a381.50 713.00a5058.67
1950895.71c586.00a616.15e485.23b338.57c88.50r75.58e68.00 226.63c206.00i154.00t443.33d3735.21c
1951723.21c577.00 697.00 421.54b327.78d165.50 93.33d-----z-----z-----z-----z-----z3005.36e
1952-----z625.85b678.50 -----z104.00r296.50 87.50 115.00 122.50 290.00 639.00 734.50 3589.35c
1953-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1954-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1955-----z-----z-----z-----z-----z-----z-----z80.00f179.00 333.50 558.00 677.50 1748.00h
1956748.00 755.50 646.50 426.50 294.50 225.50 82.00 67.00 144.50 409.00 565.00 682.00 5046.00
1957886.00 535.50 548.50 417.00 262.50 111.50 74.00 76.50 70.00 378.50 590.00 649.00 4599.00
1958618.00 444.00 642.50 435.50 193.50 110.50 21.00 7.50 118.50 270.00 485.00 519.00 3865.00
1959619.00 609.50 561.00 401.50 359.50 188.50 65.50 72.50 204.50 282.00 515.50 697.50 4576.50
1960748.50 612.50 521.50 442.50 378.50 112.50 62.50 97.50 112.50 350.00 578.50 683.00 4700.00
1961608.50 522.50 598.00 467.50 389.00 126.50 63.50 26.50 203.50 388.50 626.50 -----z4020.50a
1962701.50a576.00 625.50 366.50 392.50 180.00 89.50 64.50a104.00 311.00 462.00 592.00 4465.00
1963763.50 354.50 602.00 539.50 328.50 202.00 128.50 93.50 84.00 313.50 503.50 603.50 4516.50
1964697.50 609.00 622.50 540.00 399.50 230.50 101.50 103.00 170.00 227.31e431.50j-----z3700.81b
1965-----z-----z-----z-----z137.50r194.50a55.86b28.00 134.00 186.50 418.00a726.00 1742.86e
1966662.00 592.50 550.00 340.00 315.00 152.00 59.50j59.00 79.00 293.50 449.50b351.00k3492.50b
1967617.00a512.00 659.50 604.50 293.00a133.50 55.00 7.00 82.00 362.00 495.50 539.50j3821.00a
1968781.50 447.00 507.50 526.50 356.00 189.00 91.50 102.50 128.00a395.50 526.00 748.50 4799.50
1969835.00 760.00 575.50a500.00 182.00k-----z-----z-----z-----z-----z-----z-----z2670.50h
Period of Record Statistics
MEAN732.83 575.75 600.55 462.99 323.72 181.90 85.94 77.28 145.21 331.60 535.42 656.28 4712.48
S.D.98.84 98.61 59.03 72.52 55.65 49.93 27.52 37.21 48.65 70.85 72.27 87.99 377.00
SKEW0.58 -0.17 -0.33 0.16 -0.64 0.27 -0.36 -0.49 0.14 0.03 -0.41 -0.52 -0.56
MAX942.22 760.00 697.00 604.50 399.50 296.50 128.50 142.50 226.63 481.50 639.00 828.75 5311.69
MIN608.50 354.50 476.50 340.00 193.50 110.50 21.00 7.00 70.00 186.50 381.50 443.33 3865.00
YRS20.00 21.00 21.00 20.00 19.00 20.00 20.00 20.00 22.00 21.00 20.00 18.00 13.00