ONTONAGON, MICHIGAN

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(206210)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 197705
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 82.00 87.00 94.00 b 95.00 91.00 78.00 62.00 52.00 95.00
1949 41.00 38.00 48.00 82.00 94.00 92.00 93.00 93.00 77.00 80.00 70.00 54.00 94.00
1950 49.00 43.00 45.00 60.00 90.00 90.00 87.00 86.00 80.00 83.00 68.00 42.00 90.00
1951 42.00 50.00 45.00 a 75.00 88.00 82.00 87.00 81.00 81.00 75.00 58.00 46.00 c 88.00
1952 48.00 44.00 52.00 77.00 83.00 90.00 92.00 90.00 91.00 76.00 61.00 45.00 92.00
1953 42.00 38.00 59.00 60.00 83.00 92.00 87.00 92.00 93.00 88.00 b 73.00 45.00 93.00
1954 35.00 55.00 57.00 70.00 82.00 89.00 87.00 87.00 80.00 68.00 63.00 40.00 89.00
1955 38.00 49.00 62.00 81.00 90.00 86.00 91.00 94.00 89.00 83.00 51.00 36.00 94.00
1956 40.00 39.00 45.00 62.00 80.00 a 93.00 85.00 82.00 81.00 85.00 72.00 50.00 a 93.00
1957 38.00 43.00 45.00 81.00 82.00 88.00 93.00 87.00 92.00 73.00 57.00 47.00 93.00
1958 43.00 61.00 52.00 77.00 84.00 88.00 86.00 91.00 86.00 82.00 65.00 43.00 91.00
1959 34.00 44.00 54.00 69.00 87.00 90.00 91.00 93.00 88.00 73.00 48.00 43.00 93.00
1960 38.00 42.00 56.00 75.00 79.00 87.00 89.00 89.00 93.00 b 75.00 59.00 54.00 93.00
1961 44.00 58.00 57.00 68.00 85.00 a 89.00 86.00 95.00 94.00 86.00 65.00 54.00 95.00
1962 37.00 40.00 58.00 73.00 91.00 89.00 85.00 88.00 82.00 85.00 56.00 59.00 91.00
1963 41.00 35.00 71.00 73.00 80.00 92.00 93.00 88.00 83.00 87.00 60.00 40.00 93.00
1964 44.00 50.00 49.00 81.00 94.00 91.00 95.00 89.00 81.00 79.00 74.00 38.00 95.00
1965 42.00 44.00 45.00 83.00 87.00 91.00 85.00 92.00 80.00 81.00 63.00 46.00 92.00
1966 33.00 48.00 70.00 66.00 81.00 94.00 94.00 87.00 85.00 80.00 57.00 45.00 94.00
1967 44.00 43.00 66.00 72.00 84.00 85.00 90.00 86.00 79.00 78.00 55.00 51.00 90.00
1968 44.00 42.00 70.00 77.00 80.00 92.00 88.00 86.00 80.00 82.00 62.00 39.00 92.00
1969 37.00 38.00 49.00 67.00 95.00 89.00 92.00 93.00 82.00 78.00 67.00 42.00 95.00
1970 35.00 50.00 40.00 81.00 85.00 86.00 94.00 94.00 90.00 77.00 50.00 54.00 94.00
1971 32.00 51.00 53.00 73.00 83.00 89.00 86.00 91.00 a 91.00 78.00 54.00 40.00 91.00
1972 41.00 36.00 47.00 64.00 88.00 80.00 88.00 87.00 78.00 71.00 53.00 35.00 88.00
1973 52.00 40.00 61.00 81.00 79.00 85.00 90.00 92.00 89.00 81.00 53.00 42.00 92.00
1974 47.00 39.00 52.00 80.00 90.00 85.00 96.00 89.00 75.00 79.00 68.00 44.00 96.00
1975 45.00 52.00 54.00 60.00 91.00 90.00 97.00 95.00 a 75.00 a 81.00 73.00 46.00 97.00
1976 34.00 59.00 59.00 82.00 81.00 88.00 89.00 99.00 95.00 81.00 51.00 42.00 99.00
1977 ----- z 47.00 65.00 80.00 86.00 c ----- z ----- z ----- z ----- z ----- z ----- z ----- z 86.00
Period of Record Statistics
MEAN 40.71 45.45 54.69 73.45 85.47 88.59 90.00 90.03 84.86 79.41 60.97 45.31 92.75
S.D. 5.10 7.04 8.46 7.50 4.73 3.22 3.61 4.09 6.13 4.76 7.58 6.04 2.55
SKEW 0.18 0.59 0.36 -0.49 0.46 -0.72 0.22 -0.14 0.10 -0.34 0.13 0.43 0.17
MAX 52.00 61.00 71.00 83.00 95.00 94.00 97.00 99.00 95.00 88.00 74.00 59.00 99.00
MIN 32.00 35.00 40.00 60.00 79.00 80.00 85.00 81.00 75.00 68.00 48.00 35.00 88.00
NO YRS 28 29 29 29 30 29 29 29 29 29 29 29 28