POWDERHORN, c

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(056651)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197101
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
1964 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 24.00 u 22.00 6.00 -6.00 -34.00 -34.00
1965 -30.00 -28.00 -27.00 4.00 10.00 a 20.00 30.00 28.00 21.00 13.00 -20.00 -21.00 -30.00
1966 -31.00 -26.00 -27.00 6.00 15.00 14.00 26.00 a 24.00 19.00 8.00 j 0.00 -26.00 -31.00
1967 -30.00 -17.00 -7.00 3.00 6.00 21.00 30.00 30.00 22.00 a 2.00 -10.00 -22.00 c -30.00
1968 -32.00 -28.00 -9.00 1.00 10.00 20.00 23.00 25.00 16.00 -1.00 -22.00 -26.00 -32.00
1969 -32.00 -39.00 -23.00 11.00 20.00 22.00 26.00 36.00 20.00 4.00 -16.00 -18.00 -39.00
1970 -32.00 -16.00 -10.00 -7.00 7.00 16.00 25.00 30.00 20.00 8.00 6.00 -16.00 -32.00
1971 -46.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -46.00
Period of Record Statistics
MEAN -33.29 -25.67 -17.17 3.00 11.33 18.83 26.67 28.83 20.00 5.33 -9.71 -23.29 -32.60
S.D. 5.68 8.45 9.47 5.97 5.28 3.13 2.80 4.31 2.08 4.89 10.42 6.02 3.71
SKEW -1.93 -0.31 -0.04 -0.48 0.69 -0.65 0.19 0.55 -0.96 0.33 0.26 -0.60 -1.24
MAX -30.00 -16.00 -7.00 11.00 20.00 22.00 30.00 36.00 22.00 13.00 6.00 -16.00 -30.00
MIN -46.00 -39.00 -27.00 -7.00 6.00 14.00 23.00 24.00 16.00 -1.00 -22.00 -34.00 -39.00
NO YRS 7 6 6 6 6 6 6 6 7 6 7 7 5