ROY state:,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(297638)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201212
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
1905 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 23.00 h ----- z ----- z 23.00
1906 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z 10.00 t 18.00 38.00 38.00 52.00 52.00 32.00 20.00 22.00 0.00 0.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z 24.00 z ----- z 28.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 24.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 10.00 z 10.00
1919 ----- z ----- z 18.00 ----- z 40.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 18.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 36.00 33.00 ----- z 8.00 8.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.00 ----- z 10.00 10.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 44.00 ----- z ----- z ----- z ----- z 44.00
1924 2.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.00 ----- z ----- z 2.00
1925 ----- z ----- z ----- z ----- z ----- z 42.00 52.00 ----- z ----- z ----- z ----- z ----- z 42.00
1926 ----- z ----- z ----- z ----- z ----- z 44.00 ----- z 50.00 ----- z ----- z 14.00 ----- z 14.00
1927 ----- z ----- z ----- z 26.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 26.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z 2.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 2.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z 22.00 35.00 42.00 a 55.00 b 50.00 c 40.00 16.00 18.00 -1.00 b -1.00
1950 -3.00 10.00 5.00 a 18.00 30.00 42.00 b 50.00 a 46.00 42.00 a 39.00 u -2.00 ----- z -3.00
1951 -6.00 l -6.00 10.00 a 14.00 30.00 37.00 50.00 50.00 d 34.00 30.00 c -4.00 -1.00 -6.00
1952 6.00 7.00 5.00 10.00 35.00 49.00 50.00 50.00 42.00 25.00 -3.00 0.00 -3.00
1953 12.00 1.00 17.00 14.00 25.00 45.00 a 52.00 45.00 39.00 26.00 c 9.00 c 4.00 y 1.00
1954 ----- z 5.00 6.00 20.00 a 26.00 c 35.00 53.00 48.00 37.00 23.00 21.00 8.00 5.00
1955 2.00 d -4.00 2.00 a 21.00 c 32.00 b 38.00 52.00 46.00 34.00 16.00 9.00 12.00 a -4.00
1956 10.00 n -8.00 e 5.00 18.00 31.00 a 47.00 a 51.00 46.00 40.00 26.00 9.00 3.00 -8.00
1957 3.00 19.00 17.00 b 14.00 35.00 39.00 54.00 53.00 a 39.00 e 26.00 1.00 11.00 1.00
1958 3.00 9.00 9.00 e 24.00 39.00 t ----- z 54.00 w 50.00 39.00 28.00 5.00 b 4.00 3.00
1959 -11.00 10.00 13.00 17.00 a 34.00 45.00 54.00 50.00 a 33.00 a 27.00 a 5.00 11.00 d -11.00
1960 -3.00 1.00 3.00 h 26.00 t 30.00 46.00 52.00 a 49.00 43.00 d 25.00 14.00 6.00 -3.00
1961 8.00 5.00 17.00 a 19.00 27.00 a 48.00 43.00 a 50.00 31.00 b 19.00 b 17.00 -14.00 d -14.00
1962 -17.00 e -4.00 4.00 d 13.00 f 38.00 m 42.00 d 50.00 b 50.00 a 37.00 c 29.00 b 14.00 a 0.00 b -17.00
1963 -25.00 b 4.00 8.00 a 27.00 d 37.00 d 45.00 i 52.00 b 55.00 c 41.00 a 32.00 b 18.00 i ----- z -25.00
1964 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.00 b 36.00 30.00 b 16.00 4.00 4.00
1965 5.00 -1.00 -1.00 b 26.00 33.00 43.00 51.00 a 50.00 31.00 c 27.00 11.00 3.00 -1.00
1966 -5.00 d 8.00 7.00 19.00 27.00 41.00 56.00 46.00 40.00 26.00 15.00 -8.00 -8.00
1967 -4.00 6.00 6.00 a 22.00 22.00 45.00 52.00 45.00 a 37.00 c 17.00 14.00 4.00 -4.00
1968 3.00 12.00 6.00 21.00 b 28.00 41.00 48.00 50.00 34.00 22.00 16.00 3.00 3.00
1969 4.00 5.00 6.00 29.00 34.00 29.00 53.00 52.00 43.00 22.00 8.00 -1.00 -1.00
1970 -10.00 a 10.00 10.00 19.00 30.00 40.00 50.00 50.00 28.00 19.00 8.00 6.00 -10.00
1971 -17.00 1.00 5.00 17.00 28.00 45.00 47.00 45.00 31.00 23.00 20.00 9.00 -17.00
1972 -5.00 0.00 9.00 22.00 31.00 44.00 48.00 44.00 37.00 21.00 4.00 -3.00 -5.00
1973 4.00 5.00 18.00 9.00 30.00 37.00 48.00 50.00 36.00 27.00 18.00 1.00 a 1.00
1974 -16.00 1.00 11.00 14.00 32.00 38.00 53.00 50.00 32.00 28.00 13.00 -1.00 -16.00
1975 -11.00 -1.00 10.00 14.00 27.00 ----- z 47.00 51.00 33.00 a 18.00 5.00 5.00 -11.00
1976 -1.00 11.00 a 4.00 21.00 30.00 43.00 54.00 46.00 37.00 21.00 -15.00 3.00 -15.00
1977 5.00 8.00 9.00 14.00 36.00 46.00 49.00 50.00 35.00 26.00 13.00 4.00 4.00
1978 2.00 4.00 8.00 28.00 25.00 41.00 53.00 49.00 34.00 25.00 18.00 -13.00 -13.00
1979 -8.00 2.00 12.00 a 22.00 a 29.00 40.00 50.00 47.00 39.00 20.00 5.00 0.00 -8.00
1980 5.00 a 5.00 9.00 18.00 34.00 b 44.00 a 54.00 52.00 a 40.00 17.00 4.00 12.00 4.00
1981 11.00 -11.00 14.00 20.00 27.00 46.00 52.00 48.00 43.00 24.00 21.00 1.00 -11.00
1982 -6.00 e -12.00 15.00 24.00 30.00 39.00 52.00 d 54.00 v 42.00 23.00 17.00 -4.00 -12.00
1983 4.00 3.00 17.00 6.00 28.00 38.00 49.00 54.00 30.00 29.00 8.00 -10.00 -10.00
1984 -10.00 10.00 20.00 k 19.00 24.00 45.00 54.00 53.00 29.00 20.00 12.00 12.00 -10.00
1985 -5.00 -8.00 14.00 24.00 37.00 v 45.00 54.00 52.00 a 29.00 32.00 12.00 0.00 -8.00
1986 7.00 -7.00 18.00 26.00 32.00 46.00 46.00 42.00 38.00 24.00 10.00 7.00 -7.00
1987 -4.00 a -2.00 12.00 21.00 31.00 42.00 50.00 48.00 42.00 l 28.00 12.00 -4.00 -4.00
1988 0.00 13.00 6.00 12.00 28.00 40.00 46.00 47.00 36.00 27.00 10.00 4.00 0.00
1989 5.00 -8.00 11.00 16.00 35.00 39.00 48.00 53.00 38.00 16.00 17.00 -7.00 -8.00
1990 0.00 12.00 16.00 25.00 31.00 44.00 51.00 50.00 45.00 25.00 18.00 -17.00 -17.00
1991 6.00 16.00 19.00 26.00 32.00 47.00 50.00 53.00 38.00 12.00 -3.00 7.00 -3.00
1992 6.00 20.00 18.00 22.00 36.00 40.00 51.00 44.00 41.00 28.00 10.00 1.00 1.00
1993 9.00 3.00 12.00 25.00 30.00 40.00 53.00 51.00 37.00 7.00 7.00 5.00 3.00
1994 1.00 2.00 17.00 17.00 31.00 56.00 l 52.00 53.00 38.00 28.00 ----- z 14.00 1.00
1995 6.00 13.00 12.00 a 19.00 34.00 45.00 50.00 55.00 33.00 28.00 15.00 1.00 1.00
1996 7.00 -1.00 6.00 20.00 42.00 50.00 54.00 53.00 33.00 12.00 17.00 -5.00 f -5.00
1997 -5.00 12.00 20.00 o 16.00 35.00 j 47.00 50.00 49.00 44.00 16.00 7.00 3.00 -5.00
1998 14.00 10.00 10.00 l 22.00 38.00 42.00 54.00 50.00 46.00 29.00 21.00 0.00 0.00
1999 13.00 a 20.00 21.00 24.00 30.00 44.00 52.00 h 53.00 34.00 22.00 ----- z ----- z 13.00
2000 ----- z 20.00 c 20.00 g 23.00 ----- z 48.00 o 54.00 53.00 f 32.00 27.00 20.00 15.00 15.00
2001 -2.00 3.00 20.00 34.00 a 31.00 i 47.00 h 60.00 f 53.00 36.00 a 29.00 d 10.00 9.00 c -2.00
2002 9.00 8.00 5.00 17.00 35.00 47.00 53.00 50.00 45.00 28.00 15.00 h 5.00 5.00
2003 15.00 5.00 12.00 g 22.00 40.00 s 46.00 g 50.00 j 53.00 38.00 22.00 ----- z ----- z 5.00
2004 ----- z ----- z ----- z ----- z 30.00 45.00 48.00 48.00 36.00 28.00 7.00 -10.00 -10.00
2005 11.00 11.00 -2.00 19.00 29.00 42.00 50.00 51.00 42.00 30.00 11.00 -11.00 -11.00
2006 8.00 1.00 10.00 25.00 38.00 49.00 56.00 51.00 35.00 22.00 6.00 6.00 1.00
2007 -6.00 -1.00 7.00 18.00 31.00 33.00 53.00 54.00 43.00 22.00 10.00 2.00 -6.00
2008 -7.00 6.00 9.00 22.00 24.00 44.00 52.00 49.00 40.00 19.00 17.00 6.00 -7.00
2009 7.00 10.00 11.00 15.00 36.00 43.00 54.00 48.00 33.00 17.00 13.00 -1.00 -1.00
2010 7.00 4.00 15.00 23.00 28.00 49.00 54.00 47.00 44.00 26.00 11.00 13.00 4.00
2011 -1.00 -19.00 17.00 23.00 28.00 49.00 a 56.00 57.00 40.00 26.00 15.00 -6.00 -19.00
2012 13.00 11.00 9.00 29.00 37.00 a 51.00 56.00 51.00 36.00 g ----- z ----- z 14.00 v 9.00
Period of Record Statistics
MEAN 0.71 4.37 10.61 20.30 31.31 42.83 51.43 49.63 37.19 23.76 10.88 2.10 -5.56
S.D. 8.56 8.04 5.45 5.22 4.24 4.28 2.75 3.13 4.43 5.32 7.16 7.14 6.95
SKEW -0.70 -0.33 -0.03 -0.18 0.22 -0.61 -0.57 -0.21 -0.03 -0.74 -1.01 -0.56 -0.29
MAX 15.00 20.00 21.00 34.00 42.00 51.00 56.00 57.00 46.00 33.00 22.00 15.00 4.00
MIN -25.00 -19.00 -2.00 6.00 22.00 29.00 43.00 42.00 28.00 7.00 -15.00 -17.00 -19.00
NO YRS 58 62 56 63 58 59 61 65 64 66 60 60 32