MOTT ISLAND ISLE ROYALE, MI

Average of Minimum 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-----z36.48f23.50 15.19 19.35j
19419.61 8.79 12.32 29.37 32.52 46.93a50.32 54.42 48.30 39.04c27.70 18.77a31.51
19429.03 13.59a23.52 31.87 36.90 42.67 50.26 53.55b45.33 37.77 23.73 10.23a31.54
19430.65 4.70a6.97 24.93 35.13 41.07 47.20a53.52 43.37 37.84 24.93 11.00o29.12a
1944-----z-----z-----z-----z35.00 40.53 46.55 51.74 47.43 37.10 31.17 13.77 37.91d
1945-----z-----z-----z-----z35.28m41.43 50.66b56.13 46.27 36.90 24.73 12.47l42.69f
1946-----z-----z-----z29.73 36.00 42.83 49.35 52.45 47.70c39.48 25.90 -----z40.43d
1947-----z-----z-----z-----z33.45 46.17a50.03a50.90 45.25b43.00 24.80 -----z41.94e
1948-----z-----z-----z-----z35.65 42.70 51.17a57.40a54.10t-----z-----z-----z46.73h
1949-----z-----z-----z-----z37.03 44.79a50.26 55.29 45.67 39.37a28.64h-----z45.40f
1950-----z-----z-----z-----z34.89l41.37 43.84 45.45 43.90 35.35e23.08d-----z38.83f
1951-----z-----z-----z-----z38.12f41.58d48.81 49.19 44.83 36.23 -----z-----z44.13g
1952-----z-----z-----z-----z37.71 43.83a48.68 53.39 48.27 33.97 29.94m-----z44.31f
1953-----z-----z-----z-----z36.06 43.30 51.19 57.06 47.17 40.19 32.00q-----z45.83f
1954-----z-----z-----z-----z33.42 43.40 49.87 55.13 48.10 37.65 -----z-----z44.59f
1955-----z-----z-----z-----z38.26 46.13 54.43a59.65 48.57 40.29 31.86w-----z47.89f
1956-----z-----z-----z-----z33.59b44.33c49.35 52.47a43.86b40.32 33.47m-----z43.99f
1957-----z-----z-----z-----z38.82t42.50 47.45 51.21b44.54b39.06 -----z-----z44.95g
1958-----z-----z-----z-----z-----z41.80 49.26 54.03 47.87 -----z-----z-----z48.24h
1959-----z-----z-----z-----z-----z44.20 52.84 56.13 47.67 -----z-----z-----z50.21h
1960-----z-----z-----z-----z-----z42.70 48.90 53.87 47.31a39.10 -----z-----z46.38g
1961-----z-----z-----z-----z35.32 43.87 49.76b54.13a49.57b39.94 -----z-----z45.43f
1962-----z-----z-----z-----z37.39 41.00c47.00c55.53a45.34a40.32c28.17x-----z44.43f
1963-----z-----z-----z-----z35.72b42.74c51.87 54.85e50.41h50.48f-----z-----z46.30h
1964-----z-----z-----z-----z41.58 41.13 52.00 51.43a44.97 36.10 -----z-----z44.54f
1965-----z-----z-----z-----z36.35 44.00 47.35 49.76b43.33 37.97 -----z-----z43.13f
1966-----z-----z-----z-----z33.92e42.97 50.97 52.48 48.87 40.33p-----z-----z45.84g
1967-----z-----z-----z-----z32.03 42.67 47.32 51.32 48.53 36.13 -----z-----z43.00f
1968-----z-----z-----z-----z-----z42.47 45.53a48.68 47.67 40.10 -----z-----z44.89g
1969-----z-----z-----z-----z34.77r40.83 49.37a57.00 49.07 35.48b-----z-----z46.35g
1970-----z-----z-----z-----z36.03 43.23 48.65 55.77 48.50 39.48 -----z-----z45.28f
1971-----z-----z-----z-----z35.69e40.77 47.97 50.03 48.63 42.84 -----z-----z44.32f
1972-----z-----z-----z-----z37.28f41.63 46.48 52.65 44.40 34.77 -----z-----z43.99g
1973-----z-----z-----z-----z39.38o42.52a48.71 54.87 48.24a-----z-----z-----z48.58h
1974-----z-----z-----z-----z34.13 42.37 49.13 53.10 42.37 34.90a-----z-----z42.66f
1975-----z-----z-----z-----z37.68c42.15c50.93d55.33a44.11c39.81 -----z-----z45.00f
1976-----z-----z-----z-----z36.84 43.83 51.13 54.94 42.86b34.29c-----z-----z43.98f
1977-----z-----z-----z-----z37.58 42.23 49.58 50.48 47.27 -----z-----z-----z45.43g
1978-----z-----z-----z-----z37.06 42.23 48.52 53.45 48.97 -----z-----z-----z46.05g
1979-----z-----z-----z-----z36.44m42.60 47.90 51.06 47.43 -----z-----z-----z47.25h
1980-----z-----z-----z-----z-----z42.62a50.68 56.97 45.83 35.36q-----z-----z49.02h
1981-----z-----z-----z-----z36.12f41.86a50.19 57.16 47.41a35.18t-----z-----z49.16h
1982-----z-----z-----z-----z38.63l41.07a48.32 48.50a-----z-----z-----z-----z45.96i
1983-----z-----z-----z-----z38.36q43.30 51.81 60.45 51.53 -----z-----z-----z51.77h
1984-----z-----z-----z-----z40.80p44.83a50.07a57.03 47.38a42.06 -----z-----z48.27g
1985-----z-----z-----z-----z-----z42.67 49.74 53.19 48.17 -----z37.40o-----z48.44h
1986-----z-----z-----z-----z43.85r43.80 50.35 53.84 47.33 36.25k-----z-----z48.83h
1987-----z-----z-----z-----z39.22m47.37 55.19 55.55 51.47 31.88w-----z-----z52.39h
1988-----z-----z-----z-----z36.39 44.83 53.10b55.58 48.17 37.10k-----z-----z47.61g
1989-----z-----z-----z-----z38.82n41.40 48.74 52.83b48.59a36.53p-----z-----z47.89h
1990-----z-----z-----z-----z-----z41.90 50.10 52.74 48.90j-----z-----z-----z48.25i
1991-----z-----z-----z-----z41.38r44.20 47.94 56.30a45.93a35.33m-----z-----z48.59h
1992-----z-----z-----z-----z-----z41.93 46.13 52.03a46.20 -----z-----z-----z46.57h
1993-----z-----z-----z-----z36.93q43.33 48.77 55.84 44.43 37.17y-----z-----z48.09h
1994-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1995-----z-----z-----z-----z-----z44.87 50.23 57.39 47.47 42.12n-----z-----z49.99h
1996-----z-----z-----z-----z-----z42.77 47.90 52.32 50.17 38.22m-----z-----z48.29h
1997-----z-----z-----z-----z37.86q44.07 48.93a53.33a50.97 42.07p-----z-----z49.33h
1998-----z-----z-----z-----z-----z-----z56.10 59.03 52.33 41.90j-----z-----z55.82i
1999-----z-----z-----z-----z-----z46.13 54.19 55.29 50.21a38.76n-----z-----z51.46h
2000-----z-----z-----z-----z-----z-----z-----z52.94 45.90 40.22h-----z-----z49.42j
2001-----z-----z-----z-----z37.35 42.23 48.57a56.71 -----z-----z-----z-----z46.22h
2002-----z-----z-----z-----z35.11m43.82b54.89c55.90b-----z-----z-----z-----z51.54i
2003-----z-----z-----z-----z-----z-----z50.39 -----z-----z-----z-----z-----z50.39k
2004-----z-----z-----z-----z37.36f43.20 49.90 51.16 49.07 40.42s-----z-----z48.33h
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-----z56.50u49.70g-----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-----z56.84f-----z-----z-----z-----z-----z
2012-----z-----z-----z-----z-----z-----z-----z58.58e-----z-----z-----z-----z58.58k
2013-----z-----z-----z-----z35.32l43.53k46.33s55.94m50.44n-----z-----z-----z-----z
2014-----z-----z-----z-----z37.92r41.69q47.22h51.95k47.08q-----z-----z-----z-----z
2015-----z-----z-----z-----z-----z42.62v52.85d55.89d53.95j-----z-----z-----z54.37j
2016-----z-----z-----z-----z37.44v44.89u45.22m54.67j-----z-----z-----z-----z-----z
2017-----z-----z-----z-----z-----z45.95i51.00o58.43x52.00o-----z-----z-----z-----z
2018-----z-----z-----z-----z-----z-----z50.77e-----z-----z-----z-----z-----z50.77k
2019-----z-----z-----z-----z-----z46.92f54.38r-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN6.43 9.03 14.27 28.98 35.92 43.03 49.79 54.01 47.14 38.29 25.50 14.49 31.52
S.D.5.02 4.45 8.44 2.91 1.98 1.54 2.33 2.87 2.29 2.45 2.54 3.53 0.02
SKEW-0.70 0.10 0.40 -0.64 0.30 0.79 0.42 -0.30 -0.04 -0.01 1.32 0.01 0.00
MAX9.61 13.59 23.52 31.87 41.58 47.37 56.10 60.45 52.33 43.00 31.17 18.77 31.54
MIN0.65 4.70 6.97 24.93 32.03 40.53 43.84 45.45 42.37 33.97 23.08 10.23 31.51
YRS3 3 3 4 29 60 64 64 56 31 9 4 2