SHEMYA AFB, AK

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(508419)

Base Temperature = 50 F

File last updated on Mar 26, 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
1943-----z-----z-----z-----z-----z-----z14.00 52.50 11.50 0.50 0.00 0.00 78.50f
19440.00 0.00a0.00 0.00a0.00 0.00 0.50 19.00 0.50 0.00 0.00 0.00 20.00
19450.00 0.00a0.00c0.00 0.00 0.00 7.50 3.50 0.00 0.00 0.00 0.00a11.00
19460.00 0.00 0.00 0.00c0.00a0.00a0.00 32.50a13.50 0.00 0.00 0.00 46.00
19470.00 0.00 0.00b0.00d0.00 0.00 0.00a0.00 0.00b0.00a0.00 0.00 0.00
19480.00 0.00 0.00 0.00 0.00 0.00 0.00 17.50 7.50 0.00 0.00 0.00 25.00
19490.00 0.00 0.00 0.00 0.00 0.00 0.00 1.50 0.00 0.00 0.00 0.00 1.50
19500.00 0.00 0.00 0.00 0.00 1.00 0.50 18.00 1.50 0.00 0.00 0.00 21.00
19510.00 0.00 0.00 0.00 0.00b0.00 0.00 19.00 5.50 0.00 0.00 0.00 24.50
19520.00 0.00 0.00 0.00 0.00 0.00 2.50 16.00 0.00 0.00 0.00b0.00 18.50
19530.00 0.00 0.00 0.00 0.00 0.00 1.50 10.00 0.00 0.00 0.00 0.00 11.50
19540.00 0.00 0.00 0.00 0.00 0.00 1.00 -----z-----z-----z-----z-----z1.00e
1955-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1956-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1957-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1958-----z-----z-----z-----z-----z-----z-----z-----z2.00 0.00 0.00e0.00 2.00h
19590.00a0.00a0.00a0.00b0.00d0.00a16.00a47.14c10.50 0.00 0.00 0.00 73.64
19600.00 0.00 0.00 0.00 0.00 0.00 3.00 23.50 4.50 0.00 0.00 0.00 31.00
19610.00 0.00 0.00 0.00 0.00 0.00 0.50 0.50 2.00 0.00 0.00 0.00 3.00
19620.00 0.00 0.00 0.00 0.00 0.00 3.50 0.50 0.00 0.00 0.00 0.00 4.00
19630.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
19640.00 0.00 0.00 0.00 0.00 0.00 0.00 2.50 0.00 0.00 0.00 0.00 2.50
19650.00 0.00 0.00 0.00 0.00 0.00 0.50 0.50 0.00 0.00 0.00 0.00 1.00
19660.00 0.00 0.00 0.00 0.00 0.00 0.00 1.00 0.50 0.00 0.00 0.00 1.50
19670.00 0.00 0.00 0.00 0.00 0.00 0.00 21.00 1.50 0.00 0.00 0.00 22.50
19680.00 0.00 0.00 0.00 0.00 0.00 2.00 0.00 0.50 0.00 0.00 0.00 2.50
19690.00 0.00 0.00 0.00 0.00 0.00 7.50 28.00 11.50 0.00 0.00 0.00 47.00
19700.00 0.00 0.00 0.00 0.00 0.00 0.00 1.50 4.00 0.00 0.00 0.00 5.50
19710.00 0.00 0.00 0.00 0.00 0.00a0.00 0.00 0.00 0.00 0.00 0.00 0.00
19720.00 0.00 0.00 0.00 0.00 0.00 3.00 11.50 9.00 0.00 0.00 0.00 23.50
19730.00 0.00 0.00 0.00d-----z-----z-----z-----z-----z-----z-----z-----z0.00h
1974-----z-----z-----z-----z0.00 0.00 2.00 2.50 3.00 0.00 0.00 0.00 7.50d
19750.00 0.00 0.00 0.00 0.00 0.00 0.00 6.00 12.50 0.00 0.00 0.00 18.50
19760.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00a0.00
19770.00 0.00 0.00 0.00 0.00 0.00 7.00 88.50 41.50 0.00 -----z-----z137.00b
1978-----z-----z-----z-----z-----z-----z-----z10.50 1.50 0.00 0.00 0.00a12.00g
19790.00a0.00a0.00 0.00 0.00 0.00 0.00 7.00 0.00 0.00 0.00 0.00 7.00
19800.00 0.00 0.00 0.00 0.00 0.00 8.00 4.50 6.00a0.00 0.00 0.00 18.50
19810.00 0.00a0.00a0.00a0.00 0.00 11.00 90.00 18.00 0.00 0.00a0.00 119.00
19820.00b0.00 0.00a0.00 0.00 0.00 2.50 1.00a1.50a0.00 0.00b0.00 5.00
19830.00c0.00 0.00 0.00 0.00 0.00a0.50 12.00 0.00 0.00a0.00 0.00a12.50
19840.00a0.00a0.00a0.00 0.00 0.00 1.50a17.50 15.00a0.00b0.00 0.00a34.00
19850.00 0.00 0.00b0.00 0.00 0.00 1.50 2.50 4.00 0.00b0.00 0.00 8.00
19860.00 0.00 0.00 0.00 0.00 0.00 7.00 85.50 41.00 0.00 0.00 0.00a133.50
19870.00 0.00 0.00 0.00 0.00a0.00a0.00 0.00 0.00 0.00 0.00 0.00b0.00
19880.00b0.00 0.00 0.00a0.00a0.00 0.00 12.00 29.50 0.00 0.00 0.00 41.50
19890.00 0.00 0.00 0.00 0.00 0.00 20.50 -----z0.50 0.00a0.00 0.00 21.00a
19900.00 0.00a0.00 0.00 0.00a0.00 17.50 29.00 8.00a0.00a0.00b0.00a54.50
19910.00 0.00b0.00 0.00 0.00 0.00 0.00 12.50 7.00 0.00 0.00 0.00c19.50
19920.00a0.00b0.00 -----z-----z0.00a-----z-----z-----z-----z0.00d0.00a0.00f
1993-----z0.00 -----z0.00 0.00 0.00 13.00 51.00 8.00 0.00 0.00 0.00b72.00b
19940.00 0.00 0.00a0.00a0.00 0.00 0.00 -----z2.00 0.00b0.00 0.00 2.00a
19950.00a0.00 0.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z0.00i
Period of Record Statistics
MEAN0.00 0.00 0.00 0.00 0.00 0.02 3.46 17.65 6.20 0.01 0.00 0.00 22.85
S.D.0.00 0.00 0.00 0.00 0.00 0.15 5.36 23.87 9.70 0.07 0.00 0.00 30.25
SKEW0.00 0.00 0.00 0.00 0.00 6.48 1.72 1.90 2.40 6.56 0.00 0.00 2.27
MAX0.00 0.00 0.00 0.00 0.00 1.00 20.50 90.00 41.50 0.50 0.00 0.00 133.50
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
YRS45.00 46.00 45.00 44.00 44.00 45.00 45.00 43.00 46.00 46.00 46.00 46.00 38.00