HALFWAY st,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(353604)

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
1936 ----- z ----- z ----- z ----- z 86.00 94.00 101.00 95.00 88.00 80.00 59.00 47.00 101.00
1937 40.00 50.00 65.00 73.00 88.00 101.00 104.00 99.00 93.00 74.00 62.00 51.00 104.00
1938 47.00 57.00 57.00 78.00 85.00 88.00 98.00 92.00 94.00 82.00 52.00 48.00 98.00
1939 50.00 45.00 67.00 83.00 86.00 b 95.00 100.00 98.00 92.00 74.00 60.00 55.00 100.00
1940 48.00 64.00 z 52.00 x 73.00 87.00 101.00 101.00 102.00 86.00 73.00 50.00 47.00 102.00
1941 45.00 ----- z 67.00 71.00 86.00 ----- z 94.00 t 92.00 q 75.00 75.00 64.00 59.00 a 94.00
1942 46.00 46.00 69.00 81.00 b 85.00 96.00 b 104.00 o 108.00 95.00 88.00 56.00 45.00 108.00
1943 48.00 50.00 66.00 85.00 a ----- z 88.00 104.00 a 98.00 95.00 89.00 a 59.00 52.00 104.00
1944 44.00 50.00 68.00 76.00 89.00 94.00 102.00 99.00 103.00 82.00 61.00 48.00 103.00
1945 46.00 56.00 64.00 85.00 a 86.00 a 94.00 98.00 100.00 100.00 87.00 63.00 47.00 a 100.00
1946 43.00 49.00 67.00 92.00 86.00 ----- z 105.00 105.00 a 90.00 67.00 59.00 54.00 105.00
1947 47.00 61.00 75.00 81.00 90.00 86.00 98.00 96.00 94.00 ----- z 64.00 46.00 98.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z 95.00 94.00 93.00 82.00 56.00 q 39.00 o 95.00
1949 33.00 f 50.00 59.00 82.00 92.00 c 92.00 104.00 101.00 a 96.00 b 72.00 70.00 a 53.00 104.00
1950 49.00 47.00 58.00 72.00 82.00 d 95.00 94.00 99.00 102.00 85.00 d 65.00 k 49.00 102.00
1951 48.00 c 48.00 e 58.00 79.00 83.00 88.00 101.00 97.00 92.00 82.00 57.00 e 52.00 101.00
1952 48.00 47.00 53.00 83.00 80.00 i 91.00 h 100.00 96.00 b 93.00 86.00 n 60.00 i 45.00 d 100.00
1953 56.00 g 55.00 68.00 f 77.00 78.00 82.00 102.00 97.00 94.00 82.00 64.00 b 48.00 102.00
1954 49.00 60.00 d 64.00 a 75.00 92.00 d 92.00 m 96.00 95.00 91.00 81.00 a 66.00 55.00 96.00
1955 40.00 f 44.00 b 50.00 u 71.00 82.00 d 95.00 100.00 99.00 104.00 78.00 60.00 56.00 104.00
1956 49.00 51.00 73.00 81.00 89.00 b 93.00 e 100.00 100.00 92.00 83.00 60.00 51.00 100.00
1957 39.00 48.00 62.00 79.00 86.00 92.00 95.00 95.00 92.00 74.00 58.00 a 50.00 95.00
1958 49.00 53.00 58.00 72.00 92.00 96.00 99.00 99.00 94.00 84.00 66.00 52.00 99.00
1959 57.00 55.00 61.00 75.00 91.00 96.00 101.00 97.00 92.00 a 74.00 62.00 48.00 101.00
1960 43.00 b 47.00 b 71.00 d 79.00 85.00 b 92.00 104.00 j 99.00 93.00 a 85.00 60.00 49.00 104.00
1961 46.00 55.00 65.00 73.00 91.00 100.00 100.00 108.00 85.00 85.00 59.00 47.00 108.00
1962 52.00 50.00 68.00 84.00 75.00 94.00 98.00 98.00 91.00 77.00 69.00 52.00 98.00
1963 47.00 63.00 68.00 73.00 89.00 92.00 92.00 98.00 94.00 84.00 62.00 43.00 98.00
1964 45.00 45.00 58.00 73.00 85.00 90.00 97.00 96.00 85.00 85.00 60.00 56.00 97.00
1965 48.00 50.00 72.00 73.00 85.00 92.00 98.00 98.00 86.00 83.00 71.00 58.00 98.00
1966 49.00 58.00 78.00 78.00 94.00 92.00 98.00 103.00 97.00 81.00 64.00 46.00 103.00
1967 52.00 53.00 62.00 64.00 88.00 93.00 103.00 102.00 97.00 77.00 63.00 44.00 103.00
1968 45.00 64.00 67.00 81.00 80.00 97.00 102.00 95.00 91.00 76.00 56.00 54.00 102.00
1969 45.00 46.00 69.00 80.00 85.00 93.00 97.00 101.00 93.00 72.00 63.00 50.00 101.00
1970 50.00 58.00 59.00 72.00 84.00 96.00 98.00 100.00 91.00 83.00 60.00 43.00 100.00
1971 44.00 50.00 60.00 71.00 83.00 92.00 99.00 100.00 89.00 82.00 54.00 46.00 100.00
1972 48.00 51.00 72.00 71.00 91.00 92.00 95.00 101.00 88.00 80.00 56.00 49.00 101.00
1973 45.00 50.00 63.00 74.00 90.00 94.00 99.00 99.00 93.00 77.00 57.00 45.00 99.00
1974 54.00 52.00 61.00 76.00 82.00 100.00 97.00 96.00 90.00 82.00 60.00 50.00 100.00
1975 45.00 48.00 51.00 65.00 84.00 86.00 99.00 94.00 91.00 83.00 67.00 51.00 99.00
1976 44.00 56.00 60.00 73.00 88.00 95.00 98.00 93.00 93.00 81.00 68.00 48.00 98.00
1977 38.00 61.00 66.00 90.00 87.00 98.00 97.00 100.00 91.00 77.00 65.00 54.00 100.00
1978 46.00 58.00 76.00 71.00 77.00 89.00 100.00 98.00 92.00 80.00 65.00 46.00 100.00
1979 38.00 48.00 68.00 73.00 86.00 96.00 101.00 99.00 91.00 86.00 61.00 48.00 101.00
1980 52.00 59.00 61.00 86.00 85.00 87.00 101.00 93.00 91.00 85.00 69.00 51.00 101.00
1981 52.00 58.00 67.00 84.00 83.00 94.00 98.00 99.00 96.00 72.00 67.00 54.00 99.00
1982 48.00 49.00 61.00 79.00 85.00 90.00 97.00 99.00 91.00 76.00 53.00 47.00 99.00
1983 47.00 59.00 67.00 70.00 95.00 87.00 96.00 99.00 85.00 76.00 63.00 49.00 99.00
1984 48.00 43.00 60.00 79.00 86.00 92.00 98.00 95.00 92.00 83.00 59.00 41.00 98.00
1985 35.00 44.00 54.00 79.00 88.00 94.00 97.00 93.00 82.00 72.00 62.00 44.00 97.00
1986 44.00 63.00 a 78.00 82.00 95.00 96.00 92.00 97.00 88.00 76.00 60.00 50.00 97.00
1987 45.00 48.00 68.00 89.00 95.00 96.00 97.00 98.00 96.00 86.00 66.00 61.00 98.00
1988 45.00 54.00 a 68.00 81.00 89.00 94.00 99.00 99.00 94.00 87.00 69.00 43.00 99.00
1989 40.00 44.00 55.00 a 80.00 83.00 89.00 99.00 101.00 86.00 77.00 63.00 47.00 101.00
1990 52.00 46.00 72.00 82.00 83.00 95.00 100.00 103.00 95.00 81.00 65.00 44.00 103.00
1991 46.00 57.00 70.00 74.00 77.00 87.00 98.00 99.00 95.00 86.00 58.00 45.00 99.00
1992 49.00 65.00 74.00 80.00 90.00 98.00 99.00 100.00 87.00 85.00 55.00 44.00 100.00
1993 45.00 43.00 61.00 65.00 89.00 87.00 90.00 90.00 89.00 81.00 61.00 43.00 90.00
1994 45.00 46.00 69.00 84.00 88.00 95.00 104.00 101.00 92.00 79.00 58.00 44.00 104.00
1995 48.00 66.00 67.00 72.00 87.00 91.00 95.00 94.00 94.00 73.00 60.00 54.00 95.00
1996 46.00 52.00 64.00 81.00 81.00 92.00 102.00 99.00 94.00 87.00 63.00 52.00 102.00
1997 52.00 51.00 71.00 76.00 89.00 87.00 95.00 98.00 93.00 86.00 66.00 48.00 98.00
1998 46.00 50.00 66.00 85.00 85.00 93.00 103.00 100.00 101.00 79.00 55.00 52.00 103.00
1999 43.00 46.00 63.00 76.00 90.00 95.00 102.00 98.00 91.00 80.00 68.00 47.00 102.00
2000 47.00 47.00 66.00 81.00 86.00 94.00 104.00 99.00 98.00 78.00 56.00 44.00 104.00
2001 40.00 47.00 70.00 79.00 92.00 96.00 100.00 101.00 93.00 87.00 66.00 41.00 101.00
2002 45.00 45.00 68.00 72.00 87.00 101.00 106.00 95.00 94.00 77.00 63.00 55.00 106.00
2003 48.00 55.00 70.00 74.00 94.00 96.00 105.00 101.00 96.00 87.00 61.00 53.00 105.00
2004 43.00 46.00 75.00 79.00 83.00 98.00 100.00 101.00 89.00 80.00 62.00 50.00 101.00
2005 47.00 60.00 73.00 80.00 88.00 96.00 102.00 102.00 92.00 78.00 59.00 42.00 102.00
2006 46.00 49.00 61.00 79.00 95.00 100.00 106.00 101.00 97.00 80.00 64.00 53.00 106.00
2007 44.00 56.00 74.00 82.00 93.00 96.00 105.00 99.00 97.00 82.00 65.00 55.00 105.00
2008 44.00 46.00 56.00 76.00 96.00 101.00 98.00 100.00 94.00 91.00 62.00 57.00 101.00
2009 46.00 51.00 68.00 84.00 92.00 104.00 102.00 100.00 95.00 73.00 64.00 41.00 104.00
2010 48.00 48.00 67.00 82.00 82.00 96.00 99.00 98.00 93.00 77.00 z ----- z ----- z 99.00
2011 ----- z ----- z ----- z ----- z ----- z 89.00 z 99.00 99.00 93.00 86.00 52.00 46.00 99.00
2012 48.00 50.00 71.00 89.00 a 90.00 91.00 100.00 100.00 90.00 82.00 65.00 52.00 100.00
2013 39.00 49.00 a 70.00 a 74.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 74.00
Period of Record Statistics
MEAN 46.24 51.74 65.69 77.82 87.00 93.62 99.38 98.55 92.39 80.43 61.52 49.15 100.43
S.D. 3.87 5.86 6.05 5.81 4.55 4.27 3.29 3.18 4.53 4.99 4.53 4.60 3.04
SKEW -0.26 0.63 -0.21 -0.01 -0.20 -0.15 -0.21 0.16 -0.48 -0.29 -0.24 0.27 -0.29
MAX 57.00 66.00 78.00 92.00 96.00 104.00 106.00 108.00 104.00 91.00 71.00 61.00 108.00
MIN 35.00 43.00 51.00 64.00 75.00 82.00 90.00 90.00 75.00 67.00 50.00 41.00 90.00
NO YRS 72 73 72 74 73 71 74 76 77 74 73 75 58