BIG SPRING, t

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(410786)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201012
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
1948 7.00 14.00 9.00 d 31.00 51.00 63.00 63.00 64.00 45.00 42.00 22.00 20.00 7.00
1949 6.00 23.00 31.00 33.00 54.00 54.00 67.00 61.00 50.00 30.00 33.00 19.00 6.00
1950 15.00 24.00 22.00 35.00 50.00 53.00 65.00 60.00 56.00 49.00 18.00 9.00 9.00
1951 8.00 0.00 24.00 31.00 46.00 55.00 60.00 63.00 48.00 40.00 25.00 15.00 0.00
1952 20.00 19.00 24.00 30.00 45.00 65.00 57.00 70.00 53.00 40.00 22.00 22.00 19.00
1953 18.00 20.00 26.00 35.00 40.00 65.00 66.00 63.00 59.00 42.00 28.00 f 13.00 13.00
1954 17.00 28.00 23.00 35.00 38.00 a 54.00 63.00 64.00 51.00 37.00 a 33.00 17.00 a 17.00
1955 19.00 a 16.00 20.00 37.00 50.00 51.00 64.00 65.00 55.00 32.00 21.00 20.00 16.00
1956 19.00 10.00 a 22.00 a 35.00 c 53.00 65.00 a 63.00 58.00 53.00 42.00 24.00 25.00 10.00
1957 15.00 a 32.00 a 30.00 28.00 46.00 55.00 69.00 66.00 b 53.00 b 31.00 20.00 a 23.00 15.00
1958 22.00 21.00 a 26.00 a 36.00 b 43.00 ----- z 61.00 66.00 b 51.00 41.00 22.00 17.00 17.00
1959 5.00 e 16.00 30.00 c 31.00 b 52.00 58.00 57.00 63.00 i 50.00 39.00 17.00 25.00 5.00
1960 18.00 d 12.00 d 16.00 34.00 c 43.00 63.00 i 65.00 d 62.00 53.00 36.00 26.00 20.00 12.00
1961 15.00 10.00 30.00 l 35.00 41.00 59.00 62.00 a 58.00 49.00 42.00 31.00 19.00 10.00
1962 -2.00 13.00 b 12.00 c 34.00 47.00 b 59.00 g 63.00 62.00 51.00 a 40.00 30.00 18.00 -2.00
1963 4.00 9.00 b 27.00 b 40.00 a 52.00 b 60.00 g 67.00 a 64.00 69.00 y ----- z ----- z ----- z 4.00
1964 ----- z ----- z ----- z ----- z 49.00 g 48.00 62.00 64.00 46.00 42.00 23.00 16.00 16.00
1965 24.00 14.00 14.00 45.00 48.00 60.00 63.00 60.00 51.00 43.00 30.00 27.00 14.00
1966 6.00 14.00 23.00 40.00 41.00 62.00 69.00 56.00 55.00 38.00 27.00 14.00 6.00
1967 14.00 22.00 19.00 44.00 39.00 60.00 63.00 60.00 43.00 40.00 33.00 20.00 14.00
1968 13.00 18.00 27.00 35.00 51.00 56.00 63.00 63.00 50.00 38.00 30.00 15.00 13.00
1969 18.00 25.00 19.00 42.00 46.00 58.00 69.00 64.00 58.00 35.00 25.00 22.00 18.00
1970 14.00 21.00 27.00 29.00 40.00 50.00 59.00 62.00 48.00 a 33.00 c 25.00 23.00 14.00
1971 9.00 10.00 15.00 28.00 31.00 60.00 56.00 60.00 43.00 38.00 31.00 25.00 9.00
1972 9.00 11.00 26.00 27.00 49.00 58.00 60.00 64.00 43.00 35.00 25.00 12.00 9.00
1973 12.00 20.00 33.00 25.00 39.00 55.00 64.00 64.00 48.00 41.00 28.00 14.00 12.00
1974 11.00 18.00 26.00 36.00 49.00 56.00 64.00 62.00 48.00 ----- z 20.00 20.00 11.00
1975 15.00 20.00 27.00 32.00 50.00 52.00 64.00 61.00 41.00 a 41.00 22.00 14.00 14.00
1976 12.00 21.00 30.00 33.00 46.00 54.00 62.00 a 62.00 44.00 35.00 15.00 12.00 12.00
1977 11.00 b 22.00 ----- z 36.00 51.00 61.00 64.00 63.00 59.00 40.00 29.00 a 18.00 11.00
1978 12.00 a 17.00 a 19.00 s 34.00 38.00 56.00 67.00 62.00 53.00 43.00 k 30.00 c 12.00 a 12.00
1979 4.00 13.00 28.00 35.00 42.00 c 51.00 65.00 60.00 52.00 38.00 18.00 d 18.00 4.00
1980 20.00 e 19.00 13.00 37.00 50.00 63.00 b 69.00 63.00 c 53.00 29.00 20.00 19.00 13.00
1981 24.00 a 9.00 33.00 a 42.00 49.00 d 51.00 67.00 60.00 51.00 36.00 30.00 17.00 b 9.00
1982 4.00 10.00 24.00 37.00 42.00 51.00 a ----- z 67.00 56.00 41.00 26.00 19.00 4.00
1983 9.00 l 27.00 26.00 32.00 44.00 49.00 61.00 ----- z 44.00 46.00 21.00 4.00 4.00
1984 ----- z ----- z 26.00 36.00 44.00 63.00 65.00 65.00 b 44.00 43.00 29.00 25.00 25.00
1985 7.00 -5.00 34.00 36.00 48.00 55.00 64.00 62.00 41.00 41.00 30.00 15.00 -5.00
1986 ----- z 16.00 32.00 41.00 48.00 54.00 68.00 62.00 56.00 37.00 c 21.00 21.00 16.00
1987 14.00 30.00 21.00 32.00 51.00 58.00 63.00 62.00 53.00 44.00 22.00 16.00 b 14.00
1988 20.00 14.00 22.00 a 36.00 47.00 60.00 65.00 61.00 49.00 43.00 26.00 21.00 14.00
1989 20.00 7.00 14.00 35.00 49.00 57.00 64.00 50.00 i 39.00 31.00 28.00 1.00 1.00
1990 24.00 27.00 28.00 36.00 43.00 65.00 61.00 62.00 55.00 35.00 29.00 8.00 8.00
1991 19.00 27.00 33.00 36.00 46.00 60.00 65.00 62.00 42.00 27.00 21.00 27.00 19.00
1992 13.00 30.00 28.00 31.00 48.00 56.00 65.00 61.00 50.00 38.00 ----- z 23.00 13.00
1993 19.00 21.00 20.00 38.00 46.00 61.00 69.00 59.00 47.00 27.00 16.00 27.00 16.00
1994 16.00 16.00 26.00 30.00 40.00 64.00 64.00 63.00 47.00 43.00 29.00 27.00 16.00
1995 26.00 27.00 21.00 33.00 44.00 52.00 51.00 63.00 43.00 40.00 28.00 17.00 17.00
1996 14.00 10.00 17.00 ----- z 57.00 61.00 62.00 67.00 ----- z 37.00 24.00 14.00 10.00
1997 11.00 26.00 31.00 27.00 46.00 59.00 65.00 63.00 53.00 33.00 24.00 23.00 11.00
1998 24.00 28.00 22.00 38.00 53.00 55.00 70.00 66.00 59.00 46.00 39.00 12.00 12.00
1999 21.00 23.00 30.00 38.00 45.00 60.00 64.00 a 67.00 b 45.00 a 37.00 28.00 a 22.00 21.00
2000 17.00 26.00 29.00 39.00 a 52.00 61.00 ----- z 67.00 b 42.00 37.00 29.00 a 19.00 b 17.00
2001 24.00 23.00 27.00 43.00 48.00 64.00 65.00 a 67.00 48.00 38.00 ----- z 23.00 a 23.00
2002 23.00 17.00 17.00 39.00 50.00 59.00 67.00 ----- z 53.00 38.00 ----- z 29.00 17.00
2003 23.00 15.00 24.00 36.00 51.00 58.00 66.00 64.00 ----- z ----- z 23.00 23.00 15.00
2004 17.00 20.00 37.00 36.00 43.00 60.00 62.00 62.00 52.00 44.00 30.00 15.00 15.00
2005 19.00 27.00 33.00 38.00 42.00 59.00 63.00 64.00 55.00 38.00 26.00 10.00 10.00
2006 25.00 18.00 26.00 45.00 49.00 ----- z 65.00 f ----- z ----- z ----- z 21.00 21.00 18.00
2007 17.00 20.00 25.00 a 27.00 ----- z 60.00 65.00 67.00 59.00 37.00 27.00 23.00 17.00
2008 19.00 25.00 25.00 40.00 42.00 64.00 66.00 63.00 53.00 36.00 26.00 18.00 18.00
2009 16.00 ----- z 25.00 33.00 48.00 60.00 63.00 62.00 49.00 36.00 29.00 17.00 16.00
2010 17.00 23.00 28.00 35.00 46.00 63.00 67.00 63.00 51.00 38.00 23.00 22.00 17.00
2011 19.00 10.00 b 33.00 43.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 10.00
Period of Record Statistics
MEAN 15.37 18.34 24.77 35.26 46.26 57.86 63.87 62.88 49.97 38.21 25.52 18.42 12.48
S.D. 6.30 7.39 6.06 4.60 4.81 4.51 3.44 2.60 5.12 4.58 4.82 5.63 5.53
SKEW -0.51 -0.57 -0.49 0.04 -0.48 -0.26 -1.01 0.11 -0.16 -0.40 0.04 -0.63 -1.18
MAX 26.00 32.00 37.00 45.00 57.00 65.00 70.00 70.00 59.00 49.00 39.00 29.00 21.00
MIN -2.00 -5.00 9.00 25.00 31.00 48.00 51.00 56.00 39.00 27.00 15.00 1.00 -5.00
NO YRS 60 61 60 62 61 58 60 58 59 58 58 62 33