MAUNA LOA SLOPE OBS, HAWAII

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(516198)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1955 22.00 d 20.00 20.00 a 26.00 a 29.00 31.00 a 26.00 a 28.00 a 29.00 b 29.00 25.00 27.00 20.00
1956 28.00 c 20.00 26.00 24.00 c ----- z 28.00 a 30.00 k 30.00 29.00 30.00 29.00 28.00 20.00
1957 25.00 a 22.00 c 23.00 26.00 a 29.00 h 29.00 f 32.00 h 32.00 a 32.00 33.00 27.00 24.00 a 22.00
1958 22.00 25.00 28.00 27.00 31.00 31.00 32.00 32.00 32.00 31.00 29.00 25.00 22.00
1959 25.00 25.00 25.00 30.00 32.00 k 30.00 k 32.00 a 31.00 30.00 29.00 29.00 d 22.00 22.00
1960 25.00 23.00 23.00 26.00 d 29.00 c 32.00 32.00 34.00 35.00 31.00 30.00 25.00 23.00
1961 26.00 29.00 a 27.00 30.00 30.00 34.00 35.00 35.00 31.00 29.00 26.00 26.00 26.00
1962 25.00 18.00 23.00 26.00 28.00 30.00 32.00 35.00 n 29.00 c 33.00 31.00 25.00 i 18.00
1963 24.00 b 23.00 28.00 28.00 28.00 29.00 29.00 33.00 32.00 32.00 29.00 31.00 a 23.00
1964 26.00 a 21.00 25.00 26.00 29.00 34.00 31.00 36.00 31.00 30.00 25.00 30.00 21.00
1965 27.00 22.00 21.00 28.00 31.00 29.00 32.00 30.00 32.00 27.00 28.00 26.00 21.00
1966 25.00 27.00 29.00 30.00 29.00 38.00 34.00 35.00 35.00 34.00 28.00 24.00 24.00
1967 22.00 29.00 29.00 25.00 31.00 33.00 35.00 33.00 33.00 34.00 30.00 25.00 22.00
1968 25.00 27.00 30.00 28.00 30.00 32.00 35.00 35.00 32.00 33.00 34.00 28.00 25.00
1969 22.00 b 27.00 24.00 a 29.00 29.00 36.00 31.00 f 33.00 32.00 34.00 28.00 29.00 22.00
1970 25.00 26.00 29.00 28.00 31.00 34.00 30.00 32.00 31.00 30.00 31.00 23.00 23.00
1971 19.00 26.00 29.00 28.00 27.00 29.00 31.00 29.00 33.00 31.00 29.00 24.00 19.00
1972 24.00 25.00 25.00 29.00 29.00 32.00 34.00 33.00 35.00 33.00 31.00 29.00 24.00
1973 28.00 28.00 27.00 29.00 31.00 33.00 34.00 36.00 35.00 34.00 c 32.00 24.00 24.00
1974 26.00 27.00 26.00 c ----- z 30.00 34.00 32.00 33.00 32.00 32.00 28.00 26.00 c 26.00
1975 24.00 28.00 i 28.00 28.00 29.00 33.00 32.00 31.00 32.00 31.00 29.00 28.00 24.00
1976 24.00 23.00 25.00 25.00 30.00 34.00 32.00 34.00 32.00 30.00 ----- z 28.00 23.00
1977 31.00 30.00 a 27.00 30.00 31.00 d 31.00 34.00 33.00 34.00 31.00 32.00 25.00 25.00
1978 29.00 28.00 26.00 29.00 34.00 31.00 35.00 34.00 32.00 33.00 28.00 23.00 23.00
1979 24.00 c 25.00 g 27.00 29.00 b 33.00 34.00 36.00 35.00 36.00 36.00 a 32.00 d 31.00 24.00
1980 27.00 j 32.00 b 31.00 l 31.00 32.00 34.00 36.00 33.00 32.00 34.00 32.00 32.00 27.00
1981 32.00 28.00 a 27.00 29.00 32.00 35.00 37.00 36.00 35.00 32.00 32.00 30.00 27.00
1982 28.00 28.00 c 27.00 32.00 34.00 35.00 36.00 35.00 33.00 32.00 36.00 32.00 27.00
1983 28.00 29.00 34.00 b 28.00 34.00 32.00 36.00 35.00 34.00 b 32.00 32.00 c 31.00 28.00
1984 30.00 a 28.00 32.00 c 31.00 b 33.00 35.00 33.00 a 39.00 d 36.00 36.00 35.00 27.00 27.00
1985 28.00 30.00 28.00 29.00 31.00 34.00 37.00 36.00 36.00 36.00 29.00 28.00 28.00
1986 34.00 27.00 33.00 32.00 34.00 38.00 37.00 39.00 37.00 36.00 36.00 32.00 27.00
1987 28.00 ----- z 29.00 32.00 32.00 32.00 33.00 37.00 37.00 37.00 35.00 32.00 28.00
1988 28.00 28.00 31.00 a 28.00 32.00 37.00 35.00 37.00 37.00 e 34.00 31.00 d 23.00 23.00
1989 24.00 25.00 30.00 28.00 30.00 33.00 33.00 34.00 36.00 35.00 a 32.00 25.00 24.00
1990 28.00 26.00 a 23.00 28.00 b 32.00 35.00 33.00 a 38.00 35.00 33.00 36.00 31.00 23.00
1991 32.00 b 31.00 c 28.00 32.00 33.00 34.00 38.00 34.00 36.00 34.00 36.00 28.00 28.00
1992 21.00 30.00 30.00 33.00 37.00 37.00 34.00 36.00 35.00 h 37.00 i 33.00 k 31.00 i 21.00
1993 23.00 m 27.00 h 26.00 h 33.00 h 33.00 k 40.00 h 36.00 k 34.00 l 35.00 h 34.00 j 30.00 j 25.00 j 23.00
1994 27.00 k 30.00 i 30.00 h 33.00 i 34.00 j 34.00 h 36.00 k 35.00 h 36.00 j 35.00 k 32.00 j 33.00 j 27.00
1995 31.00 k 28.00 i 28.00 j 31.00 j 33.00 i 40.00 h 35.00 k 33.00 h 35.00 j 31.00 j 33.00 j 33.00 k 28.00
1996 31.00 l 27.00 i 28.00 k 30.00 h 38.00 i 35.00 j 35.00 h 35.00 i 37.00 j 35.00 i 33.00 k 30.00 j 27.00
1997 28.00 j 26.00 j 29.00 j 28.00 h 31.00 j 33.00 i 35.00 i 35.00 m 31.00 i 34.00 i 31.00 m 29.00 j 26.00
1998 25.00 k 27.00 i 30.00 i 26.00 h 29.00 k 36.00 h 33.00 i 34.00 j 33.00 i 32.00 j 32.00 j 30.00 i 25.00
1999 25.00 l 26.00 i 27.00 h 26.00 h 33.00 k 33.00 h 33.00 j 35.00 i 30.00 i 34.00 k 29.00 j 28.00 k 25.00
2000 26.00 k 30.00 i 29.00 h 29.00 j 36.00 i 34.00 h 36.00 k 35.00 h 35.00 j 33.00 j 29.00 k 25.00 k 25.00
2001 30.00 j 27.00 i 29.00 i 29.00 i 31.00 i 34.00 i 34.00 j 35.00 h 34.00 k 34.00 i 34.00 j 29.00 l 27.00
2002 25.00 j 24.00 k 27.00 j 29.00 33.00 i 34.00 j 36.00 i 37.00 i 31.00 j 35.00 i 33.00 k 29.00 j 24.00
2003 30.00 k 29.00 i 29.00 j 29.00 h 28.00 i 32.00 i 34.00 i 35.00 j 34.00 i 34.00 i 34.00 l 28.00 j 28.00
2004 30.00 l 28.00 j 26.00 h 29.00 h 33.00 k 31.00 i 34.00 k 35.00 i 31.00 i 31.00 k 31.00 k 32.00 j 26.00
2005 29.00 m 26.00 i 30.00 h 31.00 i 33.00 j 33.00 h 33.00 k 35.00 h 33.00 i 32.00 k 31.00 j 29.00 j 26.00
2006 28.00 k 25.00 i 30.00 h 29.00 j 30.00 i 37.00 i 33.00 k 37.00 h 35.00 j 35.00 i 31.00 j 31.00 k 25.00
2007 32.00 k 27.00 j 27.00 o 30.00 m 32.00 i 32.00 i 33.00 j 34.00 j 33.00 l 31.00 h 28.00 j 21.00 k 21.00
2008 23.00 m 26.00 i 28.00 j 29.00 i 31.00 k 34.00 i 29.00 i 30.00 j 31.00 i 34.00 i 29.00 l 29.00 j 23.00
2009 27.00 l 22.00 i 25.00 i 29.00 h 31.00 k 35.00 h 32.00 i 35.00 j 36.00 i 34.00 i 28.00 k 26.00 i 22.00
2010 32.00 l 28.00 i 25.00 h 27.00 h 34.00 k 33.00 i 34.00 k 36.00 i 31.00 i 30.00 j 30.00 j 30.00 j 25.00
2011 22.00 k 28.00 i 28.00 h 30.00 i 30.00 j 29.00 h 31.00 k 30.00 h 32.00 i 31.00 j 28.00 j 26.00 j 22.00
2012 27.00 k 25.00 i 28.00 j 23.00 i 31.00 i 33.00 l 35.00 l 31.00 j 32.00 k 35.00 h 30.00 k 29.00 m 23.00
2013 24.00 j 23.00 i 30.00 s 32.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 23.00
Period of Record Statistics
MEAN 26.05 26.09 27.08 28.58 31.00 33.14 33.51 33.95 33.24 32.46 30.61 27.28 24.10
S.D. 3.28 3.38 3.14 2.16 2.14 2.50 2.51 2.58 2.34 2.34 3.07 3.05 2.45
SKEW 0.30 -0.55 -0.08 0.02 0.53 -0.05 -0.61 -0.17 -0.05 -0.11 0.24 0.09 -0.05
MAX 34.00 32.00 34.00 33.00 37.00 38.00 38.00 39.00 37.00 37.00 36.00 32.00 28.00
MIN 19.00 18.00 20.00 24.00 27.00 28.00 26.00 28.00 29.00 27.00 25.00 22.00 19.00
NO YRS 37 35 37 38 35 36 35 37 37 37 36 36 21