HECLA 1E s, y

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(484442)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1979 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1980 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1981 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1982 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1983 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1984 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1987 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1988 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1989 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1990 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1991 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1992 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1993 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -10.00 -10.00
1995 -14.00 -6.00 -8.00 14.00 25.00 34.00 40.00 43.00 22.00 18.00 -6.00 -3.00 -14.00
1996 -13.00 -25.00 -12.00 18.00 27.00 35.00 45.00 37.00 21.00 17.00 -2.00 -3.00 -25.00
1997 -17.00 0.00 -2.00 -4.00 23.00 39.00 34.00 41.00 30.00 12.00 0.00 3.00 -17.00
1998 5.00 8.00 0.00 20.00 28.00 30.00 48.00 42.00 35.00 22.00 12.00 -14.00 -14.00
1999 2.00 7.00 b 1.00 13.00 23.00 36.00 39.00 40.00 20.00 8.00 6.00 -3.00 b -3.00
2000 2.00 5.00 11.00 16.00 24.00 34.00 47.00 45.00 21.00 22.00 -7.00 -8.00 -8.00
2001 -1.00 -16.00 11.00 17.00 25.00 34.00 47.00 41.00 29.00 8.00 -8.00 -1.00 -16.00
2002 -12.00 -5.00 -19.00 12.00 17.00 35.00 45.00 38.00 30.00 -3.00 0.00 7.00 -19.00
2003 3.00 -21.00 5.00 13.00 22.00 30.00 46.00 45.00 23.00 12.00 -6.00 1.00 -21.00
2004 -11.00 -14.00 11.00 2.00 25.00 30.00 45.00 e 37.00 30.00 23.00 -5.00 -16.00 -16.00
2005 -9.00 1.00 7.00 12.00 19.00 30.00 42.00 39.00 31.00 18.00 9.00 -27.00 -27.00
2006 4.00 -24.00 -4.00 16.00 23.00 36.00 47.00 38.00 25.00 15.00 -6.00 -6.00 -24.00
2007 -11.00 -14.00 8.00 15.00 26.00 27.00 50.00 48.00 32.00 21.00 -8.00 -8.00 -14.00
2008 -13.00 3.00 6.00 8.00 14.00 33.00 37.00 37.00 28.00 17.00 9.00 -17.00 -17.00
2009 -20.00 1.00 -6.00 9.00 27.00 31.00 ----- z 32.00 26.00 5.00 6.00 -22.00 -22.00
2010 -13.00 -4.00 1.00 17.00 19.00 37.00 43.00 40.00 32.00 23.00 2.00 -7.00 -13.00
2011 -8.00 -24.00 9.00 14.00 17.00 29.00 48.00 43.00 28.00 3.00 3.00 -17.00 -24.00
2012 0.00 2.00 6.00 18.00 27.00 37.00 47.00 38.00 34.00 0.00 3.00 -12.00 -12.00
2013 -17.00 -2.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -17.00
Period of Record Statistics
MEAN -7.53 -6.74 1.39 12.78 22.83 33.17 44.12 40.22 27.61 13.39 0.11 -8.58 -16.71
S.D. 8.15 11.15 8.56 5.98 4.06 3.33 4.37 3.77 4.68 8.23 6.48 8.78 6.26
SKEW 0.27 -0.43 -0.82 -1.49 -0.71 -0.12 -0.91 0.05 -0.24 -0.55 0.29 -0.28 0.24
MAX 5.00 8.00 11.00 20.00 28.00 39.00 50.00 48.00 35.00 23.00 12.00 7.00 -3.00
MIN -20.00 -25.00 -19.00 -4.00 14.00 27.00 34.00 32.00 20.00 -3.00 -8.00 -27.00 -27.00
NO YRS 19 19 18 18 18 18 17 18 18 18 18 19 17