CRATER LAKE NPS HQ,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(351946)

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
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 76.00 e 59.00 64.00 76.00
1920 64.00 57.00 51.00 66.00 68.00 85.00 87.00 94.00 82.00 64.00 61.00 45.00 f 94.00
1921 48.00 b 61.00 67.00 60.00 c 73.00 85.00 86.00 90.00 77.00 81.00 52.00 j 67.00 90.00
1922 55.00 48.00 55.00 65.00 77.00 96.00 100.00 87.00 93.00 66.00 55.00 51.00 100.00
1923 48.00 53.00 61.00 65.00 67.00 ----- z 83.00 81.00 81.00 63.00 55.00 d 50.00 c 83.00
1924 47.00 56.00 53.00 65.00 77.00 90.00 91.00 77.00 72.00 76.00 51.00 54.00 a 91.00
1925 46.00 53.00 61.00 65.00 61.00 z ----- z 92.00 f 92.00 a 86.00 b ----- z ----- z ----- z 92.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 56.00 45.00 a 56.00
1927 42.00 a 32.00 44.00 a 71.00 65.00 k 100.00 86.00 c 77.00 70.00 60.00 58.00 48.00 a 100.00
1928 50.00 b 50.00 a 49.00 a 48.00 a 66.00 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z 66.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 92.00 ----- z 74.00 61.00 56.00 92.00
1930 41.00 55.00 ----- z 56.00 62.00 ----- z ----- z 79.00 ----- z ----- z 65.00 51.00 a 79.00
1931 59.00 51.00 54.00 65.00 80.00 a 84.00 87.00 82.00 e 81.00 67.00 75.00 46.00 c 87.00
1932 46.00 57.00 51.00 62.00 63.00 81.00 81.00 84.00 86.00 76.00 59.00 52.00 86.00
1933 50.00 49.00 50.00 60.00 69.00 73.00 82.00 89.00 75.00 76.00 69.00 53.00 g 89.00
1934 56.00 58.00 67.00 69.00 72.00 b 80.00 83.00 84.00 82.00 75.00 60.00 52.00 84.00
1935 53.00 k 53.00 49.00 57.00 74.00 74.00 87.00 82.00 77.00 69.00 71.00 53.00 87.00
1936 46.00 48.00 58.00 63.00 70.00 74.00 88.00 a 83.00 76.00 76.00 64.00 47.00 88.00
1937 40.00 48.00 43.00 52.00 65.00 76.00 82.00 82.00 81.00 a 59.00 58.00 58.00 82.00
1938 52.00 43.00 43.00 54.00 63.00 70.00 a 85.00 77.00 83.00 61.00 52.00 51.00 85.00
1939 47.00 44.00 61.00 59.00 a 66.00 73.00 88.00 84.00 h 76.00 72.00 55.00 58.00 88.00
1940 48.00 50.00 62.00 a 63.00 68.00 83.00 78.00 85.00 a 67.00 c 67.00 59.00 58.00 85.00
1941 50.00 47.00 57.00 56.00 d 72.00 74.00 80.00 78.00 a 69.00 62.00 58.00 49.00 80.00
1942 52.00 a 43.00 53.00 61.00 66.00 79.00 83.00 84.00 78.00 75.00 44.00 w ----- z 84.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z 82.00 a 77.00 a 78.00 n ----- z ----- z ----- z 82.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z 82.00 80.00 ----- z ----- z ----- z ----- z 82.00
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 56.00 a 54.00 54.00 56.00
1947 53.00 57.00 65.00 70.00 69.00 72.00 74.00 76.00 78.00 68.00 55.00 51.00 78.00
1948 55.00 52.00 a 49.00 55.00 65.00 70.00 a 78.00 75.00 79.00 75.00 52.00 37.00 79.00
1949 44.00 49.00 55.00 64.00 68.00 74.00 82.00 79.00 a 80.00 68.00 a 66.00 51.00 82.00
1950 42.00 50.00 51.00 55.00 68.00 76.00 78.00 82.00 82.00 71.00 58.00 55.00 82.00
1951 49.00 52.00 b 54.00 65.00 66.00 75.00 81.00 a 82.00 80.00 66.00 55.00 a 55.00 82.00
1952 40.00 49.00 53.00 58.00 a 64.00 69.00 80.00 c 79.00 e 80.00 h 74.00 e 58.00 55.00 80.00
1953 54.00 51.00 52.00 58.00 60.00 a 65.00 a 86.00 84.00 82.00 a 66.00 a 57.00 52.00 86.00
1954 43.00 66.00 50.00 a 62.00 a 70.00 78.00 c 78.00 b 80.00 75.00 a 63.00 a 60.00 a 55.00 80.00
1955 50.00 47.00 52.00 50.00 65.00 78.00 80.00 81.00 86.00 i 67.00 62.00 48.00 86.00
1956 40.00 46.00 52.00 59.00 b 68.00 75.00 c 90.00 76.00 a 80.00 c 68.00 61.00 62.00 90.00
1957 42.00 54.00 51.00 a 63.00 68.00 75.00 76.00 73.00 76.00 58.00 60.00 51.00 76.00
1958 45.00 50.00 43.00 53.00 68.00 76.00 82.00 83.00 77.00 80.00 55.00 57.00 83.00
1959 50.00 46.00 55.00 58.00 71.00 78.00 b 85.00 85.00 81.00 69.00 61.00 55.00 85.00
1960 45.00 46.00 61.00 61.00 62.00 71.00 85.00 83.00 75.00 72.00 51.00 55.00 85.00
1961 57.00 42.00 54.00 59.00 64.00 80.00 83.00 89.00 72.00 73.00 66.00 52.00 89.00
1962 56.00 60.00 55.00 60.00 55.00 82.00 81.00 86.00 79.00 66.00 65.00 56.00 86.00
1963 58.00 55.00 49.00 53.00 69.00 74.00 76.00 81.00 77.00 72.00 52.00 56.00 81.00
1964 48.00 55.00 51.00 57.00 60.00 71.00 82.00 80.00 81.00 75.00 62.00 50.00 82.00
1965 49.00 52.00 52.00 58.00 62.00 68.00 80.00 78.00 72.00 70.00 57.00 45.00 80.00
1966 47.00 45.00 61.00 62.00 69.00 77.00 80.00 80.00 78.00 a 70.00 66.00 48.00 80.00
1967 47.00 51.00 50.00 43.00 69.00 77.00 82.00 86.00 79.00 65.00 62.00 51.00 86.00
1968 58.00 54.00 53.00 63.00 63.00 80.00 86.00 81.00 80.00 67.00 48.00 35.00 86.00
1969 48.00 37.00 57.00 57.00 69.00 74.00 80.00 80.00 81.00 62.00 60.00 50.00 81.00
1970 41.00 54.00 53.00 50.00 68.00 77.00 80.00 82.00 74.00 74.00 53.00 39.00 82.00
1971 56.00 58.00 48.00 52.00 61.00 66.00 81.00 83.00 75.00 71.00 58.00 41.00 83.00
1972 47.00 45.00 59.00 56.00 71.00 74.00 84.00 88.00 76.00 68.00 50.00 55.00 88.00
1973 45.00 47.00 46.00 62.00 74.00 76.00 82.00 83.00 80.00 68.00 41.00 43.00 83.00
1974 45.00 49.00 49.00 57.00 61.00 74.00 80.00 84.00 81.00 75.00 61.00 45.00 84.00
1975 57.00 49.00 52.00 51.00 65.00 69.00 84.00 a 76.00 77.00 72.00 54.00 57.00 84.00
1976 56.00 60.00 54.00 57.00 66.00 71.00 79.00 75.00 77.00 72.00 68.00 60.00 79.00
1977 55.00 56.00 51.00 60.00 56.00 76.00 79.00 87.00 74.00 70.00 52.00 44.00 87.00
1978 44.00 51.00 57.00 60.00 60.00 68.00 79.00 82.00 68.00 69.00 g 57.00 44.00 82.00
1979 43.00 38.00 59.00 54.00 68.00 73.00 a 83.00 79.00 77.00 75.00 55.00 59.00 83.00
1980 52.00 44.00 45.00 68.00 65.00 67.00 83.00 78.00 a 76.00 76.00 65.00 60.00 83.00
1981 57.00 55.00 51.00 67.00 68.00 77.00 83.00 90.00 82.00 66.00 57.00 42.00 90.00
1982 47.00 47.00 49.00 55.00 66.00 71.00 78.00 78.00 74.00 64.00 50.00 48.00 78.00
1983 55.00 37.00 40.00 37.00 z 71.00 65.00 80.00 82.00 72.00 65.00 45.00 64.00 82.00
1984 55.00 56.00 51.00 57.00 70.00 70.00 80.00 81.00 73.00 67.00 42.00 41.00 81.00
1985 56.00 51.00 55.00 64.00 63.00 81.00 79.00 79.00 72.00 69.00 55.00 56.00 81.00
1986 48.00 55.00 58.00 65.00 75.00 78.00 75.00 80.00 79.00 67.00 60.00 51.00 80.00
1987 50.00 51.00 54.00 67.00 68.00 81.00 84.00 83.00 83.00 75.00 58.00 a 40.00 84.00
1988 55.00 55.00 56.00 63.00 68.00 78.00 84.00 83.00 87.00 74.00 62.00 54.00 87.00
1989 55.00 43.00 45.00 62.00 63.00 68.00 78.00 77.00 72.00 70.00 59.00 55.00 78.00
1990 48.00 52.00 55.00 63.00 68.00 78.00 82.00 86.00 79.00 73.00 61.00 52.00 86.00
1991 48.00 54.00 50.00 50.00 58.00 69.00 81.00 78.00 80.00 77.00 56.00 48.00 81.00
1992 46.00 58.00 55.00 60.00 76.00 83.00 82.00 87.00 77.00 74.00 54.00 45.00 87.00
1993 45.00 45.00 52.00 49.00 62.00 72.00 70.00 79.00 78.00 72.00 59.00 48.00 79.00
1994 57.00 41.00 62.00 60.00 69.00 75.00 86.00 77.00 79.00 67.00 46.00 43.00 86.00
1995 41.00 58.00 49.00 58.00 67.00 69.00 78.00 78.00 79.00 66.00 56.00 43.00 79.00
1996 52.00 58.00 57.00 a 62.00 63.00 70.00 82.00 85.00 75.00 78.00 60.00 42.00 85.00
1997 45.00 51.00 58.00 58.00 69.00 66.00 76.00 81.00 71.00 66.00 59.00 53.00 81.00
1998 39.00 34.00 51.00 63.00 62.00 65.00 82.00 84.00 85.00 71.00 46.00 50.00 85.00
1999 52.00 36.00 51.00 58.00 68.00 69.00 80.00 79.00 75.00 69.00 57.00 54.00 80.00
2000 42.00 45.00 52.00 62.00 68.00 76.00 79.00 80.00 76.00 69.00 52.00 54.00 80.00
2001 52.00 45.00 55.00 63.00 76.00 76.00 81.00 86.00 76.00 75.00 57.00 38.00 86.00
2002 48.00 51.00 56.00 60.00 61.00 78.00 88.00 84.00 81.00 72.00 58.00 54.00 88.00
2003 55.00 a 49.00 56.00 48.00 71.00 c 79.00 87.00 85.00 81.00 72.00 45.00 a 44.00 87.00
2004 49.00 a 46.00 61.00 65.00 62.00 73.00 81.00 81.00 72.00 72.00 60.00 54.00 a 81.00
2005 58.00 56.00 61.00 55.00 70.00 a 71.00 81.00 a 82.00 75.00 65.00 57.00 49.00 82.00
2006 42.00 49.00 39.00 62.00 70.00 88.00 87.00 79.00 78.00 67.00 a 49.00 48.00 88.00
2007 53.00 a 55.00 63.00 a 63.00 70.00 72.00 b 87.00 87.00 78.00 65.00 66.00 a 42.00 87.00
2008 42.00 51.00 49.00 a 61.00 71.00 f 76.00 d 80.00 86.00 80.00 70.00 60.00 a 56.00 a 86.00
2009 56.00 54.00 54.00 66.00 a 70.00 77.00 83.00 85.00 80.00 64.00 55.00 53.00 85.00
2010 40.00 48.00 53.00 54.00 a 56.00 68.00 81.00 80.00 75.00 76.00 59.00 41.00 81.00
2011 52.00 49.00 39.00 54.00 59.00 a 68.00 76.00 75.00 77.00 68.00 50.00 52.00 77.00
2012 51.00 46.00 52.00 63.00 65.00 68.00 76.00 83.00 74.00 75.00 63.00 43.00 83.00
2013 55.00 47.00 57.00 45.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.00 z 57.00
Period of Record Statistics
MEAN 49.36 50.01 53.25 59.41 66.87 75.16 81.94 81.95 77.66 69.73 57.37 50.58 83.51
S.D. 5.66 6.24 5.80 5.47 4.95 6.49 4.21 4.23 4.40 5.12 6.16 6.48 3.90
SKEW 0.09 -0.45 -0.08 -0.45 0.01 1.13 0.77 0.47 0.27 -0.27 -0.15 -0.11 1.03
MAX 64.00 66.00 67.00 71.00 80.00 100.00 100.00 94.00 93.00 81.00 75.00 67.00 100.00
MIN 39.00 32.00 39.00 43.00 55.00 65.00 70.00 73.00 67.00 56.00 41.00 35.00 76.00
NO YRS 87 88 87 86 84 83 86 88 83 86 87 86 68