MOTT ISLAND ISLE ROYALE, MI

Average of Maximum Temperature (Degrees Fahrenheit)

(205637)

File last updated on April 18, 2024
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z50.07d34.70 28.35 37.71i
194124.48 24.43 32.74 47.60 58.17a65.00 71.35 69.77a60.83a52.07b38.43 31.45 48.03
194225.10 23.93 37.61 49.70 53.71 61.76a68.65 69.13 58.93 50.39 37.27 21.77a46.49
194315.81 25.00a27.90 41.90 52.37a61.13 66.26 67.97 58.67 51.06 34.67 27.31o45.70a
1944-----z-----z-----z-----z53.52 59.13 67.97 68.68 60.30 52.32 38.53 23.97 53.05d
1945-----z-----z-----z-----z50.33m56.48a65.48 70.23a60.41a48.48 34.13 20.63l55.87f
1946-----z-----z-----z43.97 52.47a61.23 68.07a67.71c58.44c51.87 37.83 -----z55.20d
1947-----z-----z-----z-----z49.48 60.11b66.26 66.39 59.07a56.60a32.97 -----z55.84e
1948-----z-----z-----z-----z55.45 63.00 68.13a67.63a61.70t-----z-----z-----z63.55h
1949-----z-----z-----z-----z53.68 63.93a67.19 69.97 57.50 52.39 36.35g-----z60.78f
1950-----z-----z-----z-----z52.75k61.60 62.48 61.42 58.77 53.73e31.93c-----z54.99f
1951-----z-----z-----z-----z58.24f57.81d69.52 67.81 58.87 47.77 -----z-----z60.35g
1952-----z-----z-----z-----z56.65 63.62a68.20a71.45 63.41a48.53a41.76m-----z61.98f
1953-----z-----z-----z-----z54.28b63.43 70.48 72.00 61.50 56.71 44.00q-----z63.07f
1954-----z-----z-----z-----z46.28b66.00a70.23a70.52 59.43 51.10a-----z-----z60.59f
1955-----z-----z-----z-----z59.87 63.70 73.23 73.90 63.00 52.48 41.86w-----z64.36f
1956-----z-----z-----z-----z53.83b68.28e67.87a68.33a57.86b55.65 43.53m-----z61.97f
1957-----z-----z-----z-----z58.91t61.73 69.00 71.52 61.57b52.19 -----z-----z63.20g
1958-----z-----z-----z-----z-----z59.50 66.97 69.61 60.97 -----z-----z-----z64.26h
1959-----z-----z-----z-----z-----z64.73 70.52 70.26 62.60 -----z-----z-----z67.03h
1960-----z-----z-----z-----z-----z64.60 66.35 67.83a60.59c51.45 -----z-----z62.17g
1961-----z-----z-----z-----z54.29 64.72a66.69b70.70a62.62a51.23 -----z-----z61.71f
1962-----z-----z-----z-----z53.42 59.19c64.31b66.83a59.34a52.32c39.00x-----z59.24f
1963-----z-----z-----z-----z54.00a60.59c68.81 68.44f61.73h59.92f-----z-----z61.13i
1964-----z-----z-----z-----z59.68 59.30 69.39 64.32 57.48a49.00 -----z-----z59.86f
1965-----z-----z-----z-----z54.03 62.33 65.50a65.83b55.23 50.55 -----z-----z58.91f
1966-----z-----z-----z-----z56.93d63.80 72.03 66.45 63.03 52.00p-----z-----z64.45g
1967-----z-----z-----z-----z49.45 61.30 66.58 67.81 63.63 49.71 -----z-----z59.75f
1968-----z-----z-----z-----z-----z61.73 67.45 67.03 61.33 53.71 -----z-----z62.25g
1969-----z-----z-----z-----z59.46r60.03 68.30a74.10 62.17 47.43a-----z-----z62.41g
1970-----z-----z-----z-----z51.63a64.20 71.13 73.45 62.03 52.68 -----z-----z62.52f
1971-----z-----z-----z-----z-----z63.40 68.29 69.32 63.72a56.87 -----z-----z64.32g
1972-----z-----z-----z-----z55.80f63.33 66.32 68.74 59.73 47.10 -----z-----z61.05g
1973-----z-----z-----z-----z56.38o59.47 67.35 70.06 62.97a-----z-----z-----z64.96h
1974-----z-----z-----z-----z54.32 63.27 70.00a66.81 57.53 52.13a-----z-----z60.68f
1975-----z-----z-----z-----z58.39c61.32e71.61c70.37a59.72a53.53a-----z-----z62.49f
1976-----z-----z-----z-----z55.42 62.63 72.65 74.19 64.32b51.00c-----z-----z63.37f
1977-----z-----z-----z-----z57.10 62.13 67.32 66.03 58.20 -----z-----z-----z62.16g
1978-----z-----z-----z-----z56.55 62.33 67.16 70.65 62.33 -----z-----z-----z63.80g
1979-----z-----z-----z-----z56.89m63.10 66.35 67.16 63.53 -----z-----z-----z65.04h
1980-----z-----z-----z-----z-----z62.97a71.87 72.06 60.20 51.86q-----z-----z66.78h
1981-----z-----z-----z-----z55.24f61.87 68.94 72.94 61.66a51.33v-----z-----z66.35h
1982-----z-----z-----z-----z57.33m61.38a67.71 66.00a-----z-----z-----z-----z65.03i
1983-----z-----z-----z-----z50.54r61.60 72.83a76.19 64.24a-----z-----z-----z68.72h
1984-----z-----z-----z-----z59.80p61.61b69.57a71.71 61.39b52.77 -----z-----z63.41g
1985-----z-----z-----z-----z-----z61.40 68.16 68.87 61.47 -----z51.54q-----z64.97h
1986-----z-----z-----z-----z66.00r64.47 66.61 68.90 59.67 49.70k-----z-----z64.91h
1987-----z-----z-----z-----z55.71n66.63 71.74 72.00 66.60 48.38w-----z-----z69.24h
1988-----z-----z-----z-----z56.35 68.73 72.87 70.10 62.31a51.62j-----z-----z66.07g
1989-----z-----z-----z-----z61.35n58.67 69.68 69.71 64.71b52.00p-----z-----z65.69h
1990-----z-----z-----z-----z-----z64.07c69.00 70.73a65.76m-----z-----z-----z67.94i
1991-----z-----z-----z-----z62.82t66.57 68.52 78.07b63.43b52.47l-----z-----z69.15h
1992-----z-----z-----z-----z-----z61.63 63.10a69.80a62.21b-----z-----z-----z64.19h
1993-----z-----z-----z-----z54.21q62.07a67.77 75.14b60.10 55.50y-----z-----z66.27h
1994-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1995-----z-----z-----z-----z-----z64.69a69.97 75.87 64.57 56.93p-----z-----z68.77h
1996-----z-----z-----z-----z-----z66.59a69.66b71.63a63.76a53.88o-----z-----z67.91h
1997-----z-----z-----z-----z52.64q65.57 69.57a72.10b66.73 59.14q-----z-----z68.49h
1998-----z-----z-----z-----z-----z-----z77.63a78.26 72.71b55.10j-----z-----z76.20i
1999-----z-----z-----z-----z-----z66.48a76.17a74.47a66.25b53.12n-----z-----z70.84h
2000-----z-----z-----z-----z-----z-----z-----z74.88e66.87 58.10a-----z-----z66.62i
2001-----z-----z-----z-----z57.50a66.43 68.60a77.74 -----z-----z-----z-----z67.57h
2002-----z-----z-----z-----z59.65n67.07b78.04c73.90b-----z-----z-----z-----z73.00i
2003-----z-----z-----z-----z-----z-----z70.77a-----z-----z-----z-----z-----z70.77k
2004-----z-----z-----z-----z54.64i65.80 70.52b69.07b66.36b59.64t-----z-----z67.94h
2005-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2006-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2007-----z-----z-----z-----z-----z-----z-----z72.90u68.50f-----z-----z-----z-----z
2008-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2009-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2010-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2011-----z-----z-----z-----z-----z-----z-----z79.04f-----z-----z-----z-----z-----z
2012-----z-----z-----z-----z-----z-----z-----z74.58l-----z-----z-----z-----z-----z
2013-----z-----z-----z-----z48.35k60.16k70.58s76.06m67.00n-----z-----z-----z-----z
2014-----z-----z-----z-----z54.08r60.23q69.87h67.00k62.38q-----z-----z-----z-----z
2015-----z-----z-----z-----z-----z59.50v71.19d73.78d72.95j-----z-----z-----z72.48j
2016-----z-----z-----z-----z55.57x65.56u72.89m76.33j-----z-----z-----z-----z-----z
2017-----z-----z-----z-----z-----z65.57i72.50o74.86x65.82s-----z-----z-----z-----z
2018-----z-----z-----z-----z-----z-----z69.24f-----z-----z-----z-----z-----z-----z
2019-----z-----z-----z-----z-----z61.32e76.71g-----z-----z-----z-----z-----z61.32k
Period of Record Statistics
MEAN21.80 24.45 32.75 45.79 54.60 62.83 69.08 70.42 61.73 51.91 35.61 26.39 47.26
S.D.5.20 0.54 4.85 3.51 3.10 2.58 2.94 3.42 3.03 2.74 2.47 4.35 1.08
SKEW-0.70 0.08 0.00 0.01 -0.57 0.06 0.74 0.24 0.79 0.37 -0.09 0.12 0.00
MAX25.10 25.00 37.61 49.70 59.87 68.73 78.04 78.26 72.71 58.10 38.53 31.45 48.03
MIN15.81 23.93 27.90 41.90 46.28 56.48 62.48 61.42 55.23 47.10 31.93 21.77 46.49
YRS3 3 3 4 28 61 63 62 56 33 9 4 2