DUCHESNE AP, :

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(422252)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198010
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
1974 ----- z ----- z 18.00 k 20.00 29.00 35.00 50.00 38.00 a 32.00 a 29.00 10.00 -4.00 -4.00
1975 -8.00 1.00 a -4.00 16.00 21.00 36.00 45.00 41.00 32.00 a 13.00 a 3.00 1.00 a -8.00
1976 -11.00 a -2.00 a 0.00 21.00 32.00 35.00 49.00 46.00 38.00 12.00 -6.00 3.00 b -11.00
1977 -6.00 10.00 10.00 9.00 31.00 48.00 51.00 a 44.00 a 33.00 27.00 3.00 a -4.00 -6.00
1978 1.00 -3.00 16.00 a 27.00 29.00 34.00 46.00 38.00 26.00 a 23.00 b 1.00 b -20.00 a -20.00
1979 -21.00 -15.00 c 7.00 19.00 27.00 c 30.00 d 46.00 e 43.00 c 36.00 d 19.00 e -7.00 e -4.00 d -21.00
1980 -11.00 c -11.00 a 10.00 c 16.00 a 28.00 d 37.00 g 49.00 f 43.00 e 32.00 a 18.00 k ----- z ----- z -11.00
Period of Record Statistics
MEAN -9.33 -3.33 6.50 18.29 28.14 36.33 47.83 41.86 32.71 20.50 0.67 -4.67 -8.33
S.D. 7.23 8.87 7.31 5.53 3.58 6.09 2.48 3.02 3.77 7.09 6.35 8.09 2.52
SKEW -0.26 0.13 -0.27 -0.15 -1.12 1.28 0.12 -0.21 -0.40 -0.08 0.08 -1.23 -0.24
MAX 1.00 10.00 16.00 27.00 32.00 48.00 51.00 46.00 38.00 29.00 10.00 3.00 -6.00
MIN -21.00 -15.00 -4.00 9.00 21.00 30.00 45.00 38.00 26.00 12.00 -7.00 -20.00 -11.00
NO YRS 6 6 6 7 7 6 6 7 7 6 6 6 3