GRAND FORKS INTL AP,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(323616)

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
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 95.00 h 96.00 77.00 51.00 40.00 96.00
1949 38.00 32.00 48.00 84.00 84.00 93.00 94.00 101.00 85.00 78.00 66.00 39.00 a 101.00
1950 22.00 33.00 44.00 60.00 83.00 94.00 92.00 89.00 91.00 77.00 65.00 37.00 94.00
1951 39.00 38.00 49.00 72.00 87.00 86.00 99.00 96.00 82.00 80.00 47.00 38.00 99.00
1952 40.00 36.00 53.00 95.00 93.00 93.00 96.00 100.00 98.00 73.00 60.00 37.00 100.00
1953 39.00 39.00 53.00 72.00 88.00 95.00 92.00 97.00 86.00 87.00 64.00 40.00 97.00
1954 33.00 41.00 49.00 75.00 82.00 91.00 97.00 90.00 84.00 73.00 60.00 38.00 97.00
1955 25.00 35.00 50.00 81.00 a 94.00 90.00 99.00 101.00 91.00 83.00 51.00 35.00 101.00
1956 30.00 37.00 44.00 61.00 87.00 99.00 88.00 96.00 88.00 83.00 59.00 46.00 99.00
1957 33.00 38.00 59.00 87.00 84.00 86.00 b 99.00 94.00 83.00 80.00 49.00 44.00 99.00
1958 47.00 65.00 57.00 78.00 90.00 91.00 94.00 103.00 88.00 78.00 65.00 39.00 103.00
1959 32.00 36.00 57.00 77.00 92.00 100.00 99.00 100.00 99.00 73.00 43.00 40.00 100.00
1960 35.00 40.00 45.00 69.00 90.00 86.00 95.00 93.00 94.00 85.00 51.00 37.00 95.00
1961 40.00 38.00 64.00 69.00 90.00 98.00 98.00 101.00 90.00 86.00 61.00 32.00 101.00
1962 39.00 40.00 38.00 78.00 78.00 87.00 83.00 92.00 86.00 81.00 52.00 52.00 92.00
1963 39.00 47.00 80.00 79.00 a 86.00 92.00 97.00 92.00 91.00 85.00 59.00 39.00 97.00
1964 40.00 43.00 53.00 74.00 101.00 93.00 97.00 98.00 86.00 76.00 64.00 30.00 101.00
1965 32.00 40.00 39.00 75.00 83.00 84.00 86.00 98.00 70.00 74.00 67.00 41.00 98.00
1966 18.00 35.00 53.00 63.00 86.00 90.00 89.00 91.00 90.00 82.00 41.00 36.00 91.00
1967 36.00 38.00 68.00 59.00 88.00 88.00 96.00 95.00 87.00 79.00 59.00 49.00 96.00
1968 39.00 33.00 59.00 78.00 83.00 94.00 91.00 91.00 86.00 76.00 51.00 36.00 94.00
1969 30.00 33.00 35.00 70.00 97.00 78.00 91.00 95.00 92.00 67.00 57.00 54.00 97.00
1970 31.00 38.00 35.00 60.00 87.00 100.00 96.00 96.00 93.00 86.00 55.00 36.00 100.00
1971 34.00 40.00 55.00 72.00 88.00 90.00 94.00 95.00 91.00 69.00 43.00 35.00 95.00
1972 40.00 40.00 49.00 66.00 89.00 91.00 90.00 94.00 82.00 74.00 52.00 35.00 94.00
1973 41.00 42.00 58.00 77.00 82.00 91.00 96.00 96.00 80.00 75.00 53.00 32.00 96.00
1974 28.00 34.00 36.00 74.00 79.00 93.00 95.00 90.00 92.00 78.00 55.00 49.00 95.00
1975 38.00 37.00 54.00 60.00 84.00 85.00 95.00 91.00 84.00 87.00 75.00 38.00 95.00
1976 36.00 51.00 51.00 77.00 91.00 95.00 97.00 100.00 99.00 85.00 63.00 43.00 100.00
1977 34.00 48.00 63.00 88.00 93.00 90.00 98.00 86.00 80.00 78.00 60.00 34.00 98.00
1978 32.00 33.00 55.00 74.00 90.00 90.00 94.00 98.00 101.00 79.00 72.00 35.00 101.00
1979 25.00 27.00 38.00 61.00 87.00 93.00 89.00 91.00 95.00 72.00 47.00 47.00 95.00
1980 39.00 32.00 51.00 100.00 98.00 93.00 100.00 94.00 96.00 86.00 61.00 40.00 100.00
1981 45.00 49.00 66.00 82.00 87.00 82.00 94.00 93.00 91.00 70.00 67.00 35.00 94.00
1982 35.00 41.00 44.00 84.00 83.00 83.00 88.00 94.00 92.00 71.00 53.00 53.00 94.00
1983 36.00 49.00 41.00 76.00 80.00 89.00 95.00 104.00 103.00 76.00 61.00 23.00 104.00
1984 42.00 c 40.00 47.00 71.00 95.00 86.00 91.00 99.00 90.00 79.00 53.00 42.00 99.00
1985 37.00 42.00 59.00 90.00 95.00 86.00 99.00 88.00 80.00 68.00 54.00 39.00 99.00
1986 43.00 35.00 69.00 78.00 96.00 94.00 91.00 94.00 77.00 73.00 54.00 36.00 96.00
1987 40.00 41.00 52.00 89.00 97.00 94.00 94.00 92.00 87.00 74.00 62.00 41.00 97.00
1988 36.00 46.00 51.00 79.00 95.00 96.00 104.00 99.00 84.00 83.00 51.00 50.00 104.00
1989 37.00 37.00 46.00 73.00 85.00 90.00 98.00 103.00 90.00 78.00 58.00 45.00 103.00
1990 52.00 50.00 62.00 90.00 83.00 91.00 93.00 95.00 94.00 80.00 57.00 56.00 95.00
1991 40.00 ----- z 57.00 80.00 89.00 93.00 94.00 99.00 92.00 72.00 51.00 40.00 99.00
1992 43.00 54.00 54.00 90.00 89.00 88.00 86.00 93.00 83.00 92.00 42.00 38.00 93.00
1993 40.00 41.00 54.00 68.00 90.00 92.00 87.00 94.00 79.00 79.00 54.00 34.00 94.00
1994 22.00 41.00 53.00 82.00 91.00 86.00 87.00 89.00 91.00 70.00 57.00 46.00 91.00
1995 40.00 ----- z 58.00 61.00 86.00 100.00 94.00 93.00 91.00 82.00 45.00 36.00 100.00
1996 43.00 42.00 44.00 64.00 78.00 96.00 89.00 95.00 93.00 79.00 60.00 33.00 96.00
1997 40.00 42.00 ----- z 66.00 86.00 94.00 92.00 92.00 87.00 ----- z ----- z ----- z 94.00
1998 28.00 47.00 56.00 82.00 85.00 85.00 89.00 92.00 94.00 75.00 48.00 41.00 94.00
1999 37.00 38.00 57.00 76.00 86.00 90.00 93.00 87.00 84.00 77.00 73.00 50.00 93.00
2000 36.00 51.00 c 64.00 74.00 85.00 95.00 91.00 95.00 89.00 74.00 64.00 35.00 95.00
2001 41.00 29.00 46.00 81.00 81.00 92.00 90.00 95.00 96.00 75.00 63.00 37.00 96.00
2002 47.00 50.00 55.00 87.00 88.00 96.00 92.00 89.00 95.00 61.00 59.00 49.00 96.00
2003 43.00 32.00 63.00 84.00 85.00 87.00 88.00 95.00 92.00 86.00 45.00 41.00 95.00
2004 30.00 37.00 55.00 81.00 81.00 85.00 89.00 81.00 92.00 82.00 59.00 44.00 92.00
2005 36.00 40.00 60.00 88.00 84.00 93.00 93.00 93.00 89.00 82.00 64.00 38.00 93.00
2006 39.00 34.00 46.00 74.00 95.00 92.00 98.00 89.00 90.00 84.00 64.00 45.00 98.00
2007 43.00 38.00 56.00 81.00 87.00 92.00 95.00 91.00 93.00 75.00 60.00 34.00 95.00
2008 39.00 35.00 43.00 70.00 83.00 86.00 91.00 91.00 90.00 72.00 66.00 38.00 91.00
2009 44.00 38.00 51.00 68.00 79.00 92.00 91.00 96.00 86.00 62.00 59.00 34.00 96.00
2010 41.00 29.00 66.00 75.00 93.00 84.00 94.00 95.00 79.00 82.00 61.00 35.00 95.00
2011 36.00 47.00 44.00 71.00 79.00 96.00 94.00 92.00 89.00 89.00 59.00 51.00 96.00
2012 47.00 43.00 74.00 77.00 89.00 93.00 96.00 97.00 90.00 80.00 46.00 44.00 97.00
2013 40.00 33.00 39.00 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 40.00
Period of Record Statistics
MEAN 36.95 39.84 52.72 75.89 87.48 90.89 93.38 94.34 89.05 77.88 56.98 40.09 96.75
S.D. 6.37 6.76 9.42 9.22 5.34 4.62 4.09 4.39 6.05 6.23 7.72 6.42 3.24
SKEW -0.67 0.97 0.29 0.12 0.33 -0.24 -0.10 -0.10 -0.39 -0.29 -0.07 0.44 0.35
MAX 52.00 65.00 80.00 100.00 101.00 100.00 104.00 104.00 103.00 92.00 75.00 56.00 104.00
MIN 18.00 27.00 35.00 59.00 78.00 78.00 83.00 81.00 70.00 61.00 41.00 23.00 91.00
NO YRS 65 63 64 64 64 64 64 64 65 64 64 64 61