ONTONAGON, MI

Average of Average Temperature (Degrees Fahrenheit)

(206210)

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
1900-----z-----z-----z44.77d51.86b59.83 62.73 69.40a59.02 55.78d26.88e18.52h53.78d
190114.57h8.11j17.88g-----z-----z56.00j64.61d64.96c55.81d47.65d29.90a18.82 46.96f
190217.76 18.00 33.03b38.30 51.32a54.95 66.37a61.20a54.69a44.29 36.00 18.84 41.23
190317.71b14.36 28.82a36.52b49.62b55.90a63.45a56.45b54.42d-----z-----z-----z41.92c
1904-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1905-----z-----z-----z36.27s-----z-----z-----z-----z-----z-----z-----z-----z-----z
1906-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1907-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1908-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1909-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1910-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1911-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1912-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1913-----z-----z-----z-----z-----z-----z67.55c68.44f58.02c46.65 38.33 30.76 48.26g
191422.71 11.02 23.69 46.36w62.48e68.98c-----z64.17g-----z52.39 35.41b19.16 36.98d
191512.83b-----z26.37 50.92 48.24b55.60d-----z60.78a60.67 -----z-----z-----z45.06e
1916-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1917-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1918-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1919-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1920-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1921-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1922-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1923-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1924-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1925-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1926-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1927-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1928-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1929-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1930-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1931-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1932-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1933-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1934-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1935-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1936-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1937-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1938-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z29.00f23.73 23.73k
193919.63a14.48 22.00a35.85 50.90 61.12 66.47a64.42a58.21a45.05a34.60 30.35 41.92
194015.61 22.61b22.05 37.50 46.42 57.12 65.68a64.23a60.13 49.02 32.00 24.47a41.40
194120.40 20.38 24.90 45.55 55.50a60.07 67.11 63.55 60.30 47.34 35.58 28.47 44.10
194221.47a19.62 31.19 48.18 49.29 59.27b64.60 64.53 54.60a47.61 33.25 19.77a42.78
194313.92 15.08d20.89 37.85 50.97b57.98 68.97 65.87 54.50 47.77 31.23 24.20a40.77
194427.92 21.28 25.39 35.75 54.27 60.20 66.29 67.34 58.08 47.79b38.35 21.13a43.65
194514.16 18.56a37.61 39.98 44.97 55.97 62.30c65.53a59.24a43.80a29.43 19.52 40.92
194619.00 16.11 38.40 43.47 49.23a59.03a69.45a64.26 59.28 50.70a35.88 21.95a43.90
194720.95 15.75 23.66 35.05 46.63 56.95 66.02 72.66 57.38 55.57a30.17 22.53 41.94
194812.45 14.78 25.32 44.08 49.35 59.13 67.69b66.81 60.17 49.24 36.62 22.95 42.38
194919.94 18.00 25.53a44.25 53.70a65.47 68.65 68.18 56.08 52.08 34.08 22.61 44.05
195012.90 18.73 22.15 32.83 49.68 60.62 63.48 59.17a56.92 49.98 29.60 19.16 39.60
195116.16 18.23 23.12b37.97 54.97 58.37 66.18 61.30a54.65 45.58 26.68 17.52c40.06
195218.21 23.09b25.83a43.87 50.68 63.38 68.87 65.11 60.45 43.29 36.40 27.40 43.88
195320.77 20.59 30.84 36.90 50.48 61.00 66.31 68.15a59.34b54.90b38.77 25.13 44.43
195414.88a29.52 26.45 40.41a45.97 63.32 65.92 63.79 56.28 46.31 37.83a25.69 43.03
195519.32 19.64 22.61 48.50 56.26 63.98 71.68 70.66 59.28 50.13 30.48 18.65 44.27
195620.52 19.29a23.95 37.07 48.93a63.17 62.81 64.45 54.50 54.74 35.37 23.97a42.40
195712.52 17.91 24.18 43.10 52.21 59.79a67.00 65.40 56.10 47.73 34.97 24.42 42.11
195822.84 16.27 27.65 43.52a51.03a57.57 64.98 65.43a60.02 49.60 35.67 15.34 42.49
195910.63 12.70 27.13 39.83 56.23 64.00 69.26 69.06 59.70 44.26 26.55 29.10 42.37
196019.55 19.45 19.37 41.73 49.47 58.85 64.56 66.40 60.16b48.32 36.87 19.00 41.98
196114.63 22.59 31.18 38.27 49.83a60.38 65.60 67.87 59.03 50.77 35.63 21.37 43.10
196213.45 13.77 27.21 37.45 56.11 59.42 62.84 64.85 55.38 49.29 35.95 21.19 41.41
19637.93b9.21 28.87 41.83 50.77 61.68 67.94 63.95 58.98 58.97 40.13 17.82 42.34
196424.31 22.21 25.90 42.48 58.03 61.38 67.77 63.79 57.20 48.24 36.08 17.40 43.73
196514.11 13.34 18.10 39.23 56.00a59.43 62.60a61.98 52.02 49.48 33.80 27.42 40.63
196611.87 16.67a32.03 37.23 47.85 62.72a68.79 62.67a56.93 45.92 32.80 21.77 41.44
196718.29 9.57 26.15 40.77 46.23 58.80 62.73 61.81 57.60 45.38a31.40 23.55 40.19
196815.09b14.79a32.05 42.37 47.98a57.12a64.76 63.94 58.88 51.45 34.25 21.55 42.02
196918.47 18.86 22.42 40.72 52.24 54.62 63.48 67.97 57.28 44.05 33.95 23.08 41.43
197011.68 12.20 20.11 39.80 48.97 60.98 67.87 66.85 58.18 49.56 32.68 21.60 40.87
197112.63 16.42b23.23 40.25 46.94 60.95 62.00 61.30a58.03 51.94 32.82 21.11 40.63
19728.85 8.79 16.34 32.87 52.87 54.97 62.05 61.52 53.38d42.87 31.85 16.79 36.93
197318.02 15.88 33.64c39.45 46.27 59.40 64.32 65.98 56.03 51.39 34.00 20.08 42.04
197413.50 9.30 23.11 36.35 47.11 57.30 67.33b62.24 51.10 44.31 34.73 24.31 39.22
197519.90b19.43 24.08 33.30 53.37 59.95 67.66 64.90a52.24a47.95 35.95 19.90 41.55
197613.52 23.97 25.89 41.70 47.50 62.63 64.24 63.35 52.32 40.44 27.30 11.26b39.51
1977-----z15.29 31.58 41.33 58.43c-----z-----z-----z-----z-----z-----z-----z36.66h
Period of Record Statistics
MEAN16.69 17.09 26.14 40.21 51.07 59.85 65.84 64.75 57.10 48.59 33.73 21.97 41.86
S.D.4.34 4.41 4.83 4.10 3.89 3.02 2.39 3.09 2.58 3.90 3.38 4.02 1.60
SKEW0.22 0.18 0.54 0.40 0.75 0.52 0.15 0.02 -0.58 0.43 -0.51 0.09 -0.62
MAX27.92 29.52 38.40 50.92 62.48 68.98 71.68 72.66 60.67 58.97 40.13 30.76 44.43
MIN7.93 8.79 16.34 32.83 44.97 54.62 62.00 56.45 51.10 40.44 26.55 11.26 36.93
YRS42 42 43 43 44 43 43 43 44 43 43 43 39