PLYMOUTH s, i

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(476678)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1910 ----- z ----- z 82.00 75.00 76.00 100.00 100.00 91.00 78.00 83.00 53.00 40.00 100.00
1911 40.00 49.00 72.00 73.00 88.00 95.00 98.00 89.00 a 88.00 69.00 70.00 53.00 98.00
1912 28.00 39.00 50.00 69.00 82.00 89.00 95.00 90.00 90.00 79.00 64.00 52.00 95.00
1913 48.00 51.00 60.00 79.00 83.00 94.00 92.00 95.00 a 96.00 78.00 b 68.00 51.00 96.00
1914 53.00 43.00 55.00 79.00 87.00 86.00 91.00 92.00 86.00 77.00 66.00 53.00 92.00
1915 38.00 42.00 51.00 84.00 81.00 a 84.00 86.00 85.00 85.00 70.00 67.00 39.00 86.00
1916 46.00 47.00 58.00 68.00 78.00 81.00 103.00 95.00 85.00 82.00 60.00 54.00 103.00
1917 41.00 42.00 66.00 71.00 85.00 82.00 96.00 88.00 80.00 70.00 67.00 42.00 96.00
1918 30.00 45.00 69.00 69.00 87.00 89.00 95.00 101.00 84.00 e 80.00 65.00 52.00 101.00
1919 46.00 45.00 60.00 70.00 86.00 91.00 96.00 88.00 93.00 a 77.00 57.00 38.00 96.00
1920 35.00 37.00 a 66.00 63.00 82.00 91.00 93.00 a 90.00 90.00 80.00 55.00 52.00 93.00
1921 50.00 56.00 76.00 77.00 88.00 95.00 101.00 90.00 88.00 71.00 53.00 50.00 101.00
1922 39.00 42.00 62.00 72.00 82.00 92.00 85.00 93.00 a 91.00 84.00 59.00 57.00 93.00
1923 42.00 41.00 56.00 78.00 79.00 96.00 93.00 90.00 b 86.00 76.00 61.00 52.00 96.00
1924 41.00 41.00 52.00 70.00 a 70.00 82.00 87.00 89.00 84.00 77.00 71.00 43.00 89.00
1925 42.00 54.00 f 70.00 a 83.00 90.00 91.00 91.00 91.00 91.00 65.00 59.00 42.00 b 91.00
1926 45.00 44.00 53.00 a 81.00 83.00 85.00 96.00 96.00 86.00 76.00 54.00 40.00 96.00
1927 36.00 49.00 67.00 77.00 a 82.00 92.00 92.00 83.00 92.00 a 80.00 70.00 43.00 92.00
1928 50.00 44.00 66.00 70.00 84.00 84.00 90.00 a 92.00 a ----- z ----- z 60.00 49.00 92.00
1929 36.00 40.00 63.00 d 79.00 85.00 a 87.00 91.00 ----- z 93.00 b 79.00 59.00 a 46.00 93.00
1930 44.00 ----- z ----- z 86.00 83.00 a ----- z ----- z 95.00 a 87.00 77.00 65.00 50.00 d 95.00
1931 ----- z ----- z ----- z ----- z 85.00 101.00 100.00 93.00 97.00 a 79.00 a 70.00 50.00 101.00
1932 48.00 57.00 58.00 71.00 85.00 85.00 f 96.00 a 95.00 90.00 a 78.00 59.00 55.00 96.00
1933 51.00 49.00 59.00 72.00 82.00 98.00 a 93.00 87.00 b 96.00 77.00 74.00 a 46.00 98.00
1934 54.00 48.00 53.00 b 79.00 92.00 100.00 102.00 97.00 84.00 80.00 62.00 36.00 102.00
1935 43.00 41.00 61.00 71.00 77.00 84.00 94.00 a 89.00 87.00 75.00 62.00 39.00 94.00
1936 42.00 46.00 62.00 69.00 85.00 92.00 a 107.00 96.00 88.00 a 74.00 61.00 53.00 107.00
1937 40.00 45.00 53.00 67.00 87.00 93.00 94.00 b 101.00 a 94.00 79.00 65.00 40.00 101.00
1938 40.00 46.00 75.00 81.00 85.00 87.00 88.00 93.00 82.00 a 86.00 72.00 42.00 93.00
1939 54.00 a 43.00 74.00 81.00 91.00 88.00 95.00 93.00 96.00 76.00 67.00 a 55.00 96.00
1940 34.00 39.00 61.00 63.00 a 80.00 a 90.00 97.00 90.00 88.00 77.00 59.00 43.00 97.00
1941 39.00 38.00 48.00 a 80.00 87.00 94.00 102.00 95.00 88.00 a 74.00 67.00 52.00 102.00
1942 46.00 36.00 54.00 79.00 81.00 86.00 94.00 90.00 87.00 78.00 64.00 36.00 94.00
1943 39.00 49.00 75.00 74.00 80.00 93.00 93.00 90.00 83.00 82.00 58.00 51.00 93.00
1944 60.00 49.00 59.00 69.00 89.00 93.00 90.00 97.00 84.00 75.00 75.00 36.00 97.00
1945 34.00 45.00 78.00 80.00 76.00 89.00 97.00 89.00 91.00 76.00 65.00 46.00 97.00
1946 46.00 44.00 76.00 82.00 79.00 91.00 91.00 93.00 86.00 85.00 57.00 63.00 93.00
1947 48.00 42.00 63.00 67.00 79.00 86.00 91.00 98.00 90.00 85.00 a 56.00 42.00 98.00
1948 35.00 47.00 62.00 78.00 84.00 89.00 92.00 98.00 91.00 74.00 69.00 53.00 98.00
1949 51.00 45.00 63.00 72.00 88.00 90.00 93.00 92.00 78.00 78.00 67.00 57.00 93.00
1950 47.00 38.00 49.00 67.00 80.00 a 86.00 87.00 88.00 79.00 82.00 75.00 38.00 88.00
1951 41.00 44.00 50.00 81.00 82.00 84.00 87.00 85.00 84.00 80.00 54.00 52.00 87.00
1952 47.00 43.00 61.00 84.00 89.00 92.00 91.00 87.00 91.00 73.00 65.00 51.00 92.00
1953 52.00 41.00 58.00 75.00 85.00 94.00 92.00 93.00 98.00 85.00 71.00 50.00 98.00
1954 41.00 55.00 66.00 77.00 81.00 ----- z ----- z ----- z 83.00 v 74.00 67.00 42.00 83.00
1955 42.00 42.00 64.00 78.00 85.00 87.00 97.00 98.00 94.00 78.00 51.00 48.00 98.00
1956 39.00 41.00 49.00 72.00 88.00 92.00 85.00 92.00 83.00 81.00 68.00 55.00 92.00
1957 46.00 53.00 53.00 79.00 80.00 90.00 92.00 89.00 90.00 70.00 55.00 50.00 92.00
1958 39.00 48.00 52.00 82.00 83.00 86.00 88.00 94.00 87.00 80.00 66.00 49.00 94.00
1959 35.00 41.00 49.00 72.00 a 90.00 87.00 90.00 94.00 95.00 67.00 59.00 51.00 95.00
1960 41.00 42.00 58.00 82.00 a 79.00 83.00 88.00 90.00 92.00 77.00 63.00 a 58.00 92.00
1961 54.00 49.00 62.00 65.00 80.00 90.00 91.00 92.00 90.00 76.00 69.00 58.00 92.00
1962 40.00 50.00 64.00 84.00 86.00 88.00 86.00 89.00 84.00 79.00 58.00 63.00 89.00
1963 38.00 40.00 72.00 79.00 85.00 89.00 95.00 87.00 85.00 88.00 62.00 54.00 95.00
1964 51.00 52.00 62.00 77.00 84.00 94.00 91.00 95.00 86.00 75.00 70.00 a 39.00 95.00
1965 45.00 i 45.00 38.00 71.00 84.00 89.00 i 93.00 93.00 85.00 78.00 68.00 52.00 93.00
1966 42.00 44.00 68.00 67.00 80.00 95.00 100.00 92.00 86.00 80.00 62.00 50.00 100.00
1967 49.00 50.00 76.00 72.00 84.00 90.00 90.00 85.00 84.00 85.00 57.00 53.00 90.00
1968 49.00 46.00 71.00 73.00 82.00 92.00 92.00 94.00 87.00 84.00 66.00 51.00 94.00
1969 41.00 39.00 59.00 72.00 88.00 86.00 92.00 93.00 85.00 86.00 59.00 44.00 93.00
1970 41.00 46.00 55.00 81.00 88.00 97.00 95.00 92.00 88.00 77.00 58.00 63.00 97.00
1971 41.00 45.00 49.00 75.00 82.00 94.00 90.00 88.00 88.00 87.00 67.00 44.00 94.00
1972 41.00 42.00 51.00 74.00 88.00 89.00 93.00 91.00 79.00 73.00 56.00 40.00 93.00
1973 58.00 41.00 65.00 68.00 79.00 90.00 92.00 95.00 90.00 75.00 58.00 53.00 95.00
1974 46.00 47.00 65.00 80.00 84.00 83.00 95.00 89.00 84.00 74.00 70.00 42.00 95.00
1975 50.00 40.00 51.00 68.00 87.00 90.00 94.00 91.00 81.00 86.00 69.00 59.00 94.00
1976 37.00 56.00 72.00 81.00 82.00 93.00 98.00 94.00 90.00 88.00 56.00 43.00 98.00
1977 30.00 49.00 62.00 83.00 89.00 90.00 96.00 89.00 82.00 67.00 64.00 44.00 96.00
1978 36.00 34.00 77.00 75.00 92.00 91.00 88.00 89.00 92.00 77.00 73.00 39.00 92.00
1979 30.00 a 47.00 58.00 73.00 83.00 88.00 88.00 89.00 85.00 78.00 67.00 52.00 89.00
1980 49.00 41.00 53.00 89.00 87.00 90.00 92.00 88.00 81.00 75.00 61.00 47.00 92.00
1981 50.00 62.00 72.00 77.00 83.00 90.00 92.00 86.00 85.00 63.00 ----- z 45.00 92.00
1982 33.00 46.00 61.00 75.00 82.00 84.00 90.00 95.00 86.00 83.00 62.00 62.00 95.00
1983 43.00 54.00 58.00 70.00 71.00 93.00 95.00 94.00 90.00 82.00 60.00 35.00 95.00
1984 38.00 61.00 47.00 72.00 78.00 87.00 90.00 95.00 85.00 71.00 62.00 61.00 95.00
1985 36.00 46.00 60.00 85.00 84.00 89.00 92.00 86.00 90.00 71.00 59.00 35.00 92.00
1986 45.00 37.00 80.00 82.00 87.00 87.00 95.00 88.00 83.00 78.00 60.00 41.00 95.00
1987 45.00 50.00 71.00 81.00 87.00 95.00 95.00 91.00 85.00 68.00 73.00 47.00 95.00
1988 49.00 46.00 59.00 70.00 91.00 99.00 98.00 101.00 85.00 a 75.00 58.00 ----- z 101.00
1989 53.00 50.00 73.00 74.00 86.00 88.00 92.00 90.00 82.00 79.00 62.00 42.00 92.00
1990 49.00 52.00 73.00 89.00 80.00 89.00 93.00 92.00 91.00 78.00 74.00 48.00 93.00
1991 38.00 49.00 62.00 84.00 88.00 99.00 91.00 91.00 ----- z 75.00 62.00 53.00 99.00
1992 42.00 ----- z ----- z ----- z ----- z 91.00 85.00 90.00 79.00 80.00 56.00 43.00 91.00
1993 42.00 45.00 62.00 73.00 81.00 82.00 86.00 91.00 78.00 81.00 60.00 50.00 91.00
1994 36.00 52.00 64.00 82.00 86.00 97.00 89.00 90.00 87.00 73.00 60.00 54.00 97.00
1995 41.00 47.00 73.00 63.00 80.00 92.00 102.00 92.00 87.00 82.00 55.00 42.00 102.00
1996 46.00 51.00 59.00 78.00 87.00 93.00 87.00 87.00 87.00 77.00 59.00 42.00 93.00
1997 46.00 49.00 63.00 76.00 72.00 90.00 92.00 87.00 82.00 84.00 63.00 46.00 92.00
1998 53.00 49.00 74.00 71.00 88.00 90.00 93.00 88.00 92.00 71.00 65.00 63.00 a 93.00
1999 41.00 61.00 71.00 75.00 86.00 88.00 97.00 86.00 89.00 73.00 74.00 56.00 97.00
2000 50.00 64.00 78.00 76.00 84.00 89.00 87.00 87.00 88.00 78.00 65.00 36.00 89.00
2001 41.00 47.00 51.00 80.00 83.00 88.00 95.00 97.00 84.00 78.00 67.00 67.00 97.00
2002 52.00 52.00 53.00 87.00 85.00 91.00 97.00 94.00 92.00 82.00 65.00 53.00 97.00
2003 52.00 51.00 70.00 85.00 77.00 93.00 91.00 92.00 87.00 81.00 67.00 56.00 93.00
2004 48.00 50.00 66.00 83.00 84.00 90.00 87.00 87.00 86.00 78.00 63.00 56.00 90.00
2005 50.00 53.00 66.00 83.00 80.00 101.00 99.00 95.00 92.00 86.00 65.00 42.00 101.00
2006 51.00 44.00 60.00 83.00 90.00 90.00 96.00 96.00 85.00 77.00 67.00 50.00 96.00
2007 49.00 48.00 78.00 83.00 87.00 91.00 97.00 90.00 90.00 87.00 59.00 44.00 97.00
2008 46.00 37.00 50.00 75.00 84.00 86.00 88.00 86.00 88.00 80.00 73.00 51.00 88.00
2009 33.00 55.00 72.00 84.00 84.00 94.00 86.00 88.00 84.00 67.00 69.00 47.00 94.00
2010 40.00 36.00 63.00 80.00 89.00 86.00 88.00 90.00 86.00 81.00 61.00 46.00 90.00
2011 49.00 51.00 60.00 82.00 83.00 94.00 96.00 90.00 86.00 81.00 62.00 51.00 96.00
2012 52.00 49.00 84.00 73.00 87.00 93.00 102.00 90.00 87.00 75.00 t ----- z ----- z 102.00
Period of Record Statistics
MEAN 43.66 46.34 62.60 76.19 83.75 90.29 92.98 91.35 87.16 77.75 63.40 48.43 94.74
S.D. 6.62 5.96 9.26 6.10 4.29 4.41 4.53 3.72 4.38 5.24 5.67 7.27 3.79
SKEW -0.06 0.54 0.09 -0.12 -0.63 0.27 0.45 0.40 0.14 -0.34 0.11 0.17 0.39
MAX 60.00 64.00 84.00 89.00 92.00 101.00 107.00 101.00 98.00 88.00 75.00 67.00 107.00
MIN 28.00 34.00 38.00 63.00 70.00 81.00 85.00 83.00 78.00 63.00 51.00 35.00 86.00
NO YRS 100 98 100 101 102 99 101 101 100 101 101 101 89