PORTALES s, m

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(297008)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 6.00 n -7.00 29.00 30.00 39.00 50.00 50.00 e 57.00 38.00 24.00 19.00 -4.00 -7.00
1906 6.00 6.00 14.00 32.00 38.00 47.00 a 55.00 a 50.00 50.00 19.00 s 7.00 r 20.00 a 6.00
1907 20.00 p ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 20.00
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 26.00 b 5.00 -2.00 -2.00
1912 1.00 9.00 16.00 19.00 27.00 a 44.00 52.00 58.00 36.00 26.00 ----- z -3.00 m -3.00
1913 -13.00 h -2.00 ----- z ----- z 45.00 o 54.00 53.00 55.00 37.00 19.00 23.00 v 2.00 -13.00
1914 9.00 2.00 ----- z 30.00 41.00 54.00 59.00 53.00 38.00 24.00 18.00 10.00 2.00
1915 9.00 10.00 20.00 25.00 29.00 42.00 51.00 40.00 62.00 z 34.00 14.00 ----- z 9.00
1916 9.00 7.00 16.00 17.00 34.00 46.00 50.00 53.00 35.00 25.00 0.00 0.00 0.00
1917 9.00 5.00 0.00 19.00 25.00 37.00 58.00 52.00 34.00 15.00 21.00 0.00 0.00
1918 -10.00 3.00 15.00 23.00 35.00 47.00 58.00 57.00 41.00 29.00 4.00 -1.00 -10.00
1919 -9.00 12.00 14.00 26.00 ----- z 33.00 55.00 56.00 44.00 37.00 10.00 5.00 -9.00
1920 5.00 15.00 10.00 11.00 39.00 53.00 57.00 48.00 40.00 27.00 c 12.00 0.00 0.00
1921 4.00 9.00 18.00 21.00 37.00 49.00 55.00 54.00 40.00 24.00 18.00 4.00 4.00
1922 2.00 4.00 -4.00 26.00 42.00 48.00 54.00 59.00 43.00 22.00 b 8.00 9.00 -4.00
1923 10.00 8.00 2.00 c 31.00 f ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 2.00
1924 ----- z 10.00 ----- z ----- z ----- z ----- z ----- z ----- z 31.00 ----- z 15.00 ----- z 10.00
1925 3.00 13.00 15.00 29.00 ----- z 46.00 53.00 55.00 41.00 ----- z 17.00 6.00 3.00
1926 -6.00 15.00 12.00 30.00 39.00 49.00 57.00 55.00 36.00 33.00 15.00 7.00 -6.00
1927 15.00 19.00 13.00 31.00 41.00 48.00 53.00 57.00 39.00 30.00 22.00 1.00 1.00
1928 5.00 2.00 17.00 22.00 43.00 44.00 60.00 48.00 42.00 30.00 20.00 ----- z 2.00
1929 6.00 e -10.00 13.00 27.00 29.00 46.00 ----- z 51.00 46.00 21.00 11.00 ----- z -10.00
1930 12.00 z 17.00 ----- z ----- z ----- z ----- z ----- z ----- z 58.00 z ----- z ----- z ----- z 12.00
1931 ----- z ----- z ----- z 26.00 a ----- z ----- z ----- z 51.00 47.00 ----- z ----- z ----- z 26.00
1932 3.00 ----- z 9.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 3.00
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 53.00 a 57.00 g ----- z ----- z ----- z ----- z 53.00
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 -2.00 a 5.00 6.00 21.00 36.00 55.00 60.00 54.00 35.00 28.00 g 11.00 10.00 -2.00
1949 -9.00 18.00 20.00 27.00 42.00 51.00 59.00 52.00 42.00 22.00 21.00 12.00 a -9.00
1950 2.00 11.00 9.00 27.00 39.00 46.00 b 52.00 49.00 44.00 37.00 10.00 a -6.00 -6.00
1951 4.00 b -15.00 12.00 20.00 33.00 a 41.00 58.00 59.00 34.00 31.00 12.00 3.00 -15.00
1952 7.00 c 12.00 9.00 23.00 32.00 54.00 a 51.00 55.00 a 45.00 28.00 4.00 a 5.00 4.00
1953 ----- z 10.00 18.00 22.00 32.00 ----- z 53.00 60.00 a 45.00 31.00 ----- z ----- z 10.00
1954 -3.00 ----- z 14.00 k 23.00 29.00 42.00 54.00 53.00 44.00 28.00 24.00 3.00 -3.00
1955 8.00 2.00 11.00 22.00 39.00 37.00 56.00 49.00 47.00 23.00 18.00 18.00 2.00
1956 6.00 ----- z ----- z 35.00 l 57.00 63.00 56.00 50.00 a 47.00 p 27.00 24.00 p 9.00 a 6.00
1957 3.00 b 22.00 22.00 23.00 38.00 45.00 62.00 59.00 39.00 28.00 7.00 12.00 3.00
1958 10.00 16.00 18.00 28.00 a 40.00 51.00 52.00 58.00 43.00 27.00 14.00 -1.00 -1.00
1959 0.00 14.00 16.00 29.00 43.00 b 53.00 a 57.00 52.00 33.00 26.00 a 6.00 14.00 n 0.00
1960 -7.00 -10.00 8.00 24.00 c 30.00 a 46.00 b 51.00 53.00 41.00 29.00 b 14.00 a 9.00 -10.00
1961 0.00 11.00 16.00 25.00 b 36.00 c 51.00 d 56.00 f 52.00 40.00 30.00 17.00 -6.00 -6.00
1962 -9.00 7.00 10.00 25.00 30.00 45.00 53.00 50.00 43.00 32.00 20.00 7.00 -9.00
1963 -15.00 -4.00 13.00 29.00 38.00 50.00 59.00 53.00 a 40.00 34.00 13.00 1.00 -15.00
1964 -6.00 4.00 a 17.00 18.00 b 32.00 39.00 a 50.00 52.00 40.00 30.00 14.00 5.00 -6.00
1965 10.00 b 2.00 5.00 31.00 31.00 47.00 55.00 52.00 a 39.00 a 30.00 13.00 14.00 2.00
1966 -12.00 7.00 a 7.00 c 26.00 e 36.00 50.00 55.00 b 49.00 b 45.00 a 23.00 19.00 2.00 -12.00
1967 -2.00 9.00 7.00 31.00 27.00 48.00 57.00 53.00 45.00 25.00 25.00 6.00 -2.00
1968 9.00 12.00 a 17.00 27.00 ----- z 45.00 58.00 55.00 a 41.00 b 25.00 b 13.00 7.00 7.00
1969 9.00 7.00 a 15.00 32.00 39.00 a 48.00 a 61.00 59.00 48.00 26.00 12.00 -2.00 -2.00
1970 -5.00 12.00 12.00 22.00 28.00 40.00 59.00 b 52.00 ----- z 21.00 v 15.00 14.00 -5.00
1971 -8.00 4.00 5.00 23.00 34.00 46.00 55.00 55.00 36.00 26.00 25.00 14.00 -8.00
1972 5.00 3.00 18.00 22.00 39.00 50.00 53.00 52.00 35.00 26.00 15.00 0.00 0.00
1973 2.00 12.00 21.00 14.00 35.00 d 46.00 54.00 53.00 34.00 29.00 16.00 2.00 2.00
1974 7.00 0.00 20.00 22.00 a 38.00 48.00 52.00 52.00 42.00 32.00 13.00 13.00 0.00
1975 5.00 6.00 18.00 ----- z 33.00 45.00 59.00 55.00 37.00 30.00 4.00 6.00 4.00
1976 7.00 10.00 17.00 30.00 35.00 47.00 60.00 46.00 40.00 22.00 4.00 4.00 4.00
1977 -5.00 17.00 22.00 23.00 45.00 52.00 55.00 60.00 45.00 34.00 20.00 8.00 -5.00
1978 4.00 2.00 17.00 a 31.00 33.00 50.00 57.00 53.00 43.00 34.00 22.00 -12.00 -12.00
1979 -17.00 15.00 15.00 21.00 33.00 43.00 57.00 52.00 46.00 29.00 d -1.00 9.00 -17.00
1980 3.00 b 3.00 11.00 10.00 37.00 55.00 61.00 55.00 48.00 20.00 15.00 19.00 3.00
1981 15.00 1.00 18.00 27.00 32.00 a 46.00 58.00 55.00 45.00 28.00 19.00 12.00 1.00
1982 6.00 0.00 10.00 22.00 37.00 48.00 51.00 58.00 42.00 25.00 20.00 -2.00 -2.00
1983 2.00 20.00 21.00 19.00 33.00 44.00 56.00 60.00 29.00 36.00 15.00 -5.00 a -5.00
1984 -9.00 ----- z 15.00 22.00 32.00 45.00 58.00 58.00 38.00 31.00 22.00 15.00 -9.00
1985 3.00 0.00 22.00 32.00 34.00 49.00 52.00 56.00 36.00 33.00 14.00 -1.00 -1.00
1986 10.00 11.00 ----- z 33.00 i 34.00 52.00 60.00 57.00 46.00 28.00 17.00 19.00 10.00
1987 0.00 9.00 14.00 23.00 38.00 51.00 b 56.00 52.00 47.00 33.00 13.00 -6.00 -6.00
1988 9.00 7.00 8.00 25.00 37.00 44.00 51.00 50.00 42.00 36.00 15.00 9.00 7.00
1989 7.00 1.00 9.00 26.00 36.00 48.00 55.00 55.00 38.00 21.00 10.00 -1.00 -1.00
1990 11.00 14.00 20.00 32.00 33.00 54.00 56.00 52.00 48.00 27.00 15.00 -8.00 -8.00
1991 11.00 17.00 20.00 28.00 30.00 50.00 59.00 59.00 40.00 p 12.00 14.00 15.00 11.00
1992 6.00 19.00 15.00 32.00 42.00 45.00 56.00 55.00 39.00 28.00 12.00 14.00 6.00
1993 13.00 13.00 11.00 30.00 35.00 49.00 57.00 52.00 43.00 14.00 10.00 8.00 8.00
1994 11.00 9.00 19.00 19.00 35.00 53.00 58.00 59.00 40.00 ----- z 17.00 19.00 9.00
1995 10.00 15.00 17.00 20.00 40.00 49.00 51.00 58.00 37.00 30.00 19.00 12.00 10.00
1996 9.00 5.00 6.00 23.00 43.00 54.00 61.00 57.00 35.00 26.00 15.00 0.00 0.00
1997 4.00 14.00 19.00 22.00 35.00 47.00 57.00 56.00 47.00 26.00 13.00 1.00 1.00
1998 17.00 18.00 13.00 28.00 38.00 48.00 60.00 51.00 51.00 32.00 29.00 4.00 4.00
1999 12.00 15.00 23.00 28.00 35.00 49.00 50.00 57.00 32.00 27.00 14.00 7.00 7.00
2000 10.00 13.00 19.00 28.00 40.00 54.00 58.00 58.00 30.00 31.00 19.00 13.00 10.00
2001 16.00 18.00 23.00 32.00 39.00 50.00 61.00 55.00 47.00 32.00 13.00 13.00 13.00
2002 13.00 9.00 7.00 28.00 37.00 54.00 56.00 58.00 46.00 31.00 16.00 10.00 7.00
2003 14.00 10.00 16.00 25.00 38.00 49.00 61.00 58.00 39.00 28.00 14.00 9.00 9.00
2004 8.00 8.00 29.00 29.00 35.00 49.00 56.00 56.00 46.00 31.00 13.00 -4.00 -4.00
2005 17.00 18.00 17.00 25.00 36.00 43.00 50.00 55.00 49.00 33.00 15.00 -4.00 -4.00
2006 13.00 11.00 19.00 36.00 45.00 54.00 63.00 55.00 37.00 30.00 17.00 14.00 11.00
2007 0.00 2.00 12.00 23.00 40.00 46.00 58.00 61.00 50.00 25.00 20.00 13.00 0.00
2008 7.00 11.00 14.00 26.00 34.00 e 55.00 f 57.00 55.00 44.00 26.00 20.00 7.00 7.00
2009 10.00 15.00 ----- z 22.00 41.00 53.00 55.00 53.00 35.00 26.00 15.00 8.00 8.00
2010 5.00 18.00 23.00 24.00 34.00 57.00 59.00 45.00 47.00 27.00 11.00 16.00 5.00
2011 0.00 -15.00 21.00 35.00 a 30.00 57.00 65.00 63.00 47.00 30.00 16.00 -1.00 -15.00
2012 13.00 12.00 20.00 31.00 38.00 55.00 61.00 49.00 43.00 25.00 16.00 5.00 5.00
2013 9.00 15.00 18.00 31.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9.00
Period of Record Statistics
MEAN 4.27 8.38 14.74 25.21 36.11 48.30 56.05 54.17 41.14 27.70 14.65 5.81 -0.87
S.D. 7.59 7.69 6.03 5.01 4.98 4.95 3.51 3.90 5.09 4.88 5.57 7.24 7.02
SKEW -0.73 -0.88 -0.43 -0.47 0.71 -0.22 0.03 -0.57 -0.24 -0.70 -0.41 -0.07 -0.33
MAX 17.00 22.00 29.00 36.00 57.00 63.00 65.00 63.00 51.00 37.00 29.00 20.00 13.00
MIN -17.00 -15.00 -4.00 10.00 25.00 33.00 50.00 40.00 29.00 12.00 -1.00 -12.00 -17.00
NO YRS 83 84 80 80 79 81 82 84 81 79 80 78 55