INCHELIUM 2 NW, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(453903)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197509
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) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1953 ----- z ----- z ----- z ----- z 30.00 r 36.00 41.00 38.00 31.00 26.00 19.00 15.00 15.00
1954 -14.00 14.00 14.00 21.00 20.00 32.00 38.00 39.00 a 31.00 19.00 19.00 2.00 -14.00
1955 5.00 3.00 -7.00 21.00 28.00 a 37.00 39.00 39.00 30.00 22.00 -1.00 -5.00 -7.00
1956 -15.00 e -16.00 a 4.00 22.00 27.00 32.00 41.00 37.00 26.00 22.00 5.00 1.00 -16.00
1957 -26.00 -14.00 16.00 23.00 40.00 36.00 41.00 38.00 27.00 27.00 15.00 20.00 -26.00
1958 15.00 20.00 20.00 28.00 30.00 39.00 42.00 40.00 ----- z ----- z ----- z ----- z 15.00
1959 ----- z 5.00 18.00 23.00 26.00 35.00 37.00 34.00 31.00 23.00 3.00 3.00 3.00
1960 -10.00 -4.00 -3.00 22.00 28.00 34.00 42.00 36.00 28.00 24.00 14.00 6.00 -10.00
1961 6.00 21.00 13.00 20.00 33.00 34.00 38.00 44.00 28.00 21.00 7.00 -9.00 -9.00
1962 -20.00 -4.00 11.00 23.00 25.00 31.00 31.00 38.00 30.00 27.00 21.00 6.00 -20.00
1963 -3.00 -5.00 18.00 22.00 26.00 39.00 40.00 40.00 36.00 22.00 14.00 1.00 -5.00
1964 3.00 2.00 11.00 20.00 26.00 35.00 40.00 36.00 30.00 21.00 15.00 -17.00 -17.00
1965 3.00 3.00 5.00 25.00 25.00 35.00 40.00 ----- z 27.00 22.00 19.00 6.00 b 3.00
1966 -3.00 7.00 10.00 22.00 26.00 35.00 40.00 38.00 38.00 24.00 15.00 14.00 -3.00
1967 4.00 13.00 18.00 24.00 30.00 38.00 42.00 42.00 34.00 25.00 11.00 -4.00 -4.00
1968 -3.00 8.00 23.00 19.00 25.00 33.00 43.00 36.00 34.00 24.00 17.00 -20.00 a -20.00
1969 -22.00 -7.00 10.00 26.00 30.00 38.00 40.00 37.00 33.00 21.00 14.00 12.00 -22.00
1970 -2.00 12.00 7.00 22.00 30.00 37.00 40.00 41.00 25.00 19.00 7.00 -7.00 -7.00
1971 -6.00 2.00 3.00 22.00 32.00 35.00 33.00 32.00 30.00 16.00 16.00 -3.00 -6.00
1972 -10.00 -11.00 17.00 20.00 25.00 37.00 38.00 41.00 25.00 20.00 19.00 -6.00 -11.00
1973 -4.00 0.00 21.00 ----- z 27.00 31.00 35.00 37.00 28.00 27.00 16.00 6.00 -4.00
1974 -13.00 13.00 15.00 25.00 26.00 37.00 40.00 41.00 31.00 g ----- z ----- z ----- z -13.00
1975 ----- z ----- z 15.00 22.00 ----- z 42.00 m ----- z 40.00 d 30.00 f ----- z ----- z ----- z 15.00
Period of Record Statistics
MEAN -5.75 2.95 11.77 22.48 27.86 35.27 39.14 38.36 30.10 22.60 13.25 1.05 -12.07
S.D. 10.49 10.44 7.72 2.18 4.02 2.41 2.96 2.74 3.55 2.96 6.03 10.28 7.30
SKEW -0.15 -0.06 -0.81 0.76 1.13 -0.27 -1.31 -0.22 0.51 -0.20 -0.91 -0.20 -0.51
MAX 15.00 21.00 23.00 28.00 40.00 39.00 43.00 44.00 38.00 27.00 21.00 20.00 -3.00
MIN -26.00 -16.00 -7.00 19.00 20.00 31.00 31.00 32.00 25.00 16.00 -1.00 -20.00 -26.00
NO YRS 20 21 22 21 21 22 22 22 20 20 20 20 15