HURON REGIONAL AP, SD

Average of Minimum Temperature (Degrees Fahrenheit)

(394127)

File last updated on March 28, 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
1881-----z-----z-----z-----z-----z-----z62.68 62.45 46.10 33.68 18.87 16.65 40.07f
18824.16 12.93 20.39 34.40 42.58 54.33 56.35 58.00 47.90 38.23 22.24a3.87 32.95
1883-10.52 -0.04 18.48 34.47 41.74 52.90 58.32 56.61 45.87 35.45 18.27 7.00 29.88
1884-5.19 -7.69 16.23 32.77 44.90 58.70 57.77 56.16 48.50 38.42 19.73 0.77 30.09
1885-6.45 -2.68 20.39 34.40 43.35 55.17 61.16 55.48 48.30 31.03 22.93 15.13 31.52
1886-11.19 7.50 18.52 35.07 46.39 52.27 62.61 57.77 46.17 37.94 16.37 -1.87 30.63
1887-12.84 -7.25 21.19 35.13 47.61 58.03 59.42 56.16 48.70 29.94 17.40 -0.16 29.44
1888-12.13 4.34 10.13 31.43 39.90 54.87 59.90 54.71 44.20 31.35 19.83a13.03b29.30
18890.68c-0.46b23.17a36.27 42.03 52.37 59.06 56.63a44.00 33.73a16.79a15.03b31.61
1890-7.38b1.56c15.27a35.33 39.84 57.17 59.65 52.74 44.03a33.68 21.31a11.45b30.39
189112.25c-4.96b10.60a35.93 41.97 54.43 54.87 54.00 51.00a33.21c13.31a15.37d31.00
1892-0.20a7.56b17.73a32.83 39.60a52.07a58.19 56.80a47.00 36.87 15.59a5.94 30.83
1893-3.89d-1.96b11.75c29.45a41.00 55.90 57.61 53.10 45.90 30.23a15.89c2.38b28.11
1894-7.28b-1.31b21.94 36.07a43.60a54.60 58.35 56.81 47.62a35.13 19.00a14.10 31.55
1895-6.21b1.52a17.48b40.13 43.84 51.67 56.35 54.23 47.66a28.93a18.00c10.00 30.30
18966.00b11.59 9.94 35.62a49.32 53.60 57.52 55.97 43.20 29.45 5.57 13.10 30.91
1897-1.65 -0.04 10.14c34.73 42.84 52.70 60.48 53.00 54.20 37.97 16.20 7.58 30.68
189812.19 10.21 18.58 32.00 44.42 55.33 58.90 56.65 46.90 31.60a14.20 6.13 32.26
18993.06 -5.36 6.06 30.43 45.52 54.33 57.87 59.42 44.23 35.97 27.57 4.61 30.31
19009.65 -0.96 15.26 38.63 47.71 55.47 59.42 64.23 48.43 40.32 17.03 13.90 34.09
19017.55 3.07 20.26 37.17 46.00 56.67 64.19 58.71 47.73 37.97 19.43 8.71 33.95
19028.39 7.68 24.13 30.73 47.71 50.80 58.52 56.29 42.47 33.52 23.40 1.84 32.12
19032.94 -2.96 20.81 32.93 45.65 51.13 57.68 56.48 44.60 35.90 17.70 1.39 30.35
1904-1.23 -2.72 19.48 28.83 44.87 54.03 55.97 54.32 45.90 39.13 23.67 7.42 30.81
1905-4.58 -2.79 26.65 31.20 42.16 53.03 57.65 59.23 50.13 32.13 24.43 12.06 31.78
19068.16 6.14 11.94 36.83a45.87 52.87 55.74 58.90 51.10 34.06 22.10 9.35 32.76
1907-6.06 9.61 24.19 25.67 37.10 54.00 58.10 55.39 43.17 31.19 20.30 12.06 30.39
19087.90 10.48 19.97a33.63 42.97 53.83 59.35 53.87 52.13 36.58 23.63 10.13 33.71
19092.90 6.21 22.16 27.20 42.90 56.40 59.65 62.10 48.03 36.03 21.53 1.87 32.25
19101.81 -3.29 33.89c35.03 40.90 55.37 58.42 54.52 47.03 38.74 20.03 8.06 32.54
1911-0.42 4.64 23.81 32.73 47.23 59.03 56.39 55.71 49.13 36.16 13.00 11.48 32.41
1912-9.97 8.52 12.42 34.80 46.03 51.90 59.74 56.23 45.33 35.16 24.17 10.90 31.27
19132.52 1.50 13.48 35.43 44.87 57.40 58.42 61.58 48.60 31.23 27.87 15.10 33.17
191410.97 -3.50 21.00 33.90 46.61 57.67 63.06 56.61 50.37 40.42 25.23 0.97 33.61
19153.90 15.68 13.90 42.50 42.77 51.20 56.45 53.61 48.20 38.35 26.03 13.39 33.83
1916-8.74 5.31 21.68 32.80 44.10 51.73 66.94 58.45 46.23 32.10 20.43 -1.03 30.83
1917-0.32 -2.54 18.87 32.87 41.58 52.03 60.77 54.87 49.30 27.65 28.93 -0.45 30.30
1918-4.45 6.21 27.32 30.87 45.39 56.60 58.94 60.42 42.50 38.90 25.13 16.48 33.69
191916.35 8.54 19.97 35.90 46.48 61.03 63.32 57.61 52.33 30.68 16.17 7.00 34.62
19205.00 12.14 19.45 28.23 47.39 57.37 61.26 56.32 51.83 42.00 23.10 13.32 34.78
192114.74 15.75 22.35 35.17 47.65 61.63 63.42 59.52 50.33 38.65 18.40 13.94 36.80
19224.10 -3.79 22.42 36.77 49.19 56.77 59.35 61.81 52.57 37.19 28.53 7.52 34.37
192311.42 3.57 14.71 31.97 45.48 58.30 64.52 57.68 51.83 36.03 27.30 17.26 35.01
1924-2.16 12.69 20.48 32.33 38.84 53.33 57.16 58.06 47.27 43.61 23.37 1.52 32.21
19252.90 15.39 24.90 41.70 42.42 56.13 59.29 60.26 54.13 27.06 22.07 11.13 34.78
19266.48 19.52a19.84 31.43 50.94 54.17 62.23 59.84 47.17 37.94 18.63 8.58 34.73
19278.74 15.00 25.13 36.40 44.03 54.60 57.81 55.71 51.83 38.13 19.03 -4.16 33.52
19289.19 15.45 24.16 27.03 46.84 51.50 61.52 58.94 45.87 37.29 25.57 15.84 34.93
1929-7.68 -2.32 27.29 35.20 43.00 54.77 62.19 59.03 46.97 39.00 19.83 11.71 32.42
1930-4.27a21.46 22.10 39.17 44.77 54.53 63.42 62.94 48.33 36.77 23.67 17.55 35.87
193115.16 21.32 21.03 34.87 41.81 61.60 63.03 59.35 55.33 41.17a23.67 15.87 37.85
19322.77 9.41 16.29 38.43 48.55 59.57 63.29 61.29 48.20 34.39 21.50 5.97 34.14
193314.45 4.79 24.10 34.57 46.87 63.40 63.42 59.19 54.57 34.65 23.40 9.23 36.05
193412.84 12.75 18.19 35.57 54.55 60.30 65.00 58.90 44.77 41.94 29.07 11.55 37.12
19354.42 22.46 26.29 33.90 45.00 54.27 67.61 59.10 49.40 32.71 18.30 10.94 35.37
1936-8.90 -14.07 23.61 29.50 51.81 57.33 69.32 63.81 53.00 33.10 21.67 14.06 32.85
1937-9.32 4.71 22.90 34.97 49.19 55.27 63.81 66.45 51.17 36.35 20.90 7.10 33.62
19384.71 6.93 26.55 37.30 47.03 57.67 63.29 62.97 53.10 43.61 18.90 15.71 36.48
193913.68 -1.86 20.61 31.67 51.26 56.77 63.77 58.74 50.23 34.55 23.33 18.32 35.09
1940-5.81 8.97 21.19 33.60 44.42 55.07 65.06 59.74 54.00 41.52 19.13 15.63a34.38
19416.87 8.14 21.61 41.40 51.23 57.77 64.32 63.35 52.00 38.77 25.90 18.55 37.49
194211.52 11.21 26.52 37.93 44.84 56.60 59.61 59.35 44.87 36.87 20.67 6.29 34.69
1943-6.10 11.36 13.48 33.47 40.23 56.47 62.03 59.29 45.43 35.87 23.10 10.00 32.05
194411.19 2.72 15.94 32.93 51.52 55.77 58.84 58.32 47.30 34.32 26.10 10.71 33.81
19458.84 11.86 26.61 31.33 39.74 51.00 59.52 58.48 47.00 34.42 19.90 3.68 32.70
19462.19 7.43 29.06 37.67 40.84 55.37 61.97 55.29 47.50 35.42 20.77 13.29 33.90
194712.81 5.00 19.81 33.03 39.52 53.37 59.06 63.35 48.10 42.94 16.83 7.29 33.43
19480.71 2.83 17.32 37.73 45.06 54.67 61.68 58.90 52.80 34.39 23.47 7.87 33.12
1949-2.13 0.75 21.45 33.33 47.94 56.47 62.19 61.42 44.73 37.03 28.13 9.16 33.37
1950-7.74 5.54 15.00 28.67 42.77 53.23 56.61 54.94 47.70 38.35 17.10 5.94 29.84
19510.23 11.32 9.71 32.80 46.19 50.83 60.00 57.65 44.00 35.42 16.73 1.71 30.55
1952-0.61 14.41 14.84 36.50 44.61 58.03 59.77 58.10 49.37 29.58 22.10 13.90 33.38
19538.87 12.29 22.61 30.53 44.61 58.27 60.26 61.81 46.80 40.81 26.07 9.97 35.24
1954-3.00 25.89 17.74 33.47 38.87 56.67 63.42 60.00 50.37 36.29 26.17 13.48 34.95
19557.61 1.39 17.00 39.97 49.55 54.53 66.16 63.58 48.23 35.81 10.50 0.48 32.90
19560.00 -2.69 16.23 27.37 46.68 61.13 59.42 59.06 45.00 38.06 22.70 14.94 32.32
1957-2.90 9.68 22.19 33.23 45.48 54.27 65.06 60.35 46.00 40.45 24.80 17.74 34.70
195811.97 3.29 21.23 34.07 46.29 51.70 58.10 59.32 49.10 37.10 22.40 5.58 33.34
1959-1.16 -2.04 24.55 33.13 46.42 60.00 59.65 63.19 49.03 32.19 14.80 21.29 33.42
19603.84 2.62 6.10 34.23 42.16 53.23 59.84 58.77 47.57 33.52 18.13 5.90 30.49
1961-2.32 9.82 26.00 25.43 42.26 54.97 57.19 59.39 44.70 35.52 21.07 2.42 31.37
1962-0.65 1.82 14.26 32.60 49.42 57.17 59.48 58.23 43.47 35.74 23.70 9.42 32.05
1963-7.06 8.11 25.94 34.57 44.52 58.90 63.90 58.52 52.60 44.58 22.10 0.16 33.90
19647.71 12.62 12.45 35.90 44.77 53.87 62.84 54.48 46.43 33.42 15.83 -0.61 31.64
1965-7.32 0.93 11.03 34.97 44.23 54.07 58.42 56.13 40.33 36.55 20.00 18.16 30.62
1966-6.55 4.14 24.84 29.77 40.48 54.70 64.58 54.45 46.67 33.45 17.73 9.55 31.15
19677.81 1.86 25.23 33.50 39.32 55.13 56.16 54.03 48.97 34.29 21.83 10.32 32.37
19685.06 9.59 22.77 32.43 39.68 55.17 59.45 57.42 46.80 36.16 24.70 8.16 33.12
1969-2.19 13.75 11.00 37.60 44.06 47.73 59.77 57.81 48.40 32.90 24.27 11.87 32.25
1970-4.55 11.07 18.26 32.17 44.84 55.10 60.97 59.58 48.63 36.58 24.50 4.42 32.63
1971-1.87 5.32 18.65 32.13 40.71 59.40 53.74 58.16 46.57 37.90 23.37 7.94 31.83
1972-1.71 2.66 22.74 34.67 50.81 53.97 57.97 58.23 46.13 33.16 25.47 7.03 32.59
19739.87 16.11 32.10 33.70 42.58 52.43 58.55 62.06 46.20 39.97 24.33 8.55 35.54
19742.35 15.11 23.71 34.67 42.16 51.37 63.94 54.52 42.03 35.81 21.07 11.29 33.17
19755.58 6.68 14.77 31.77 44.61 54.23 62.74 60.39 44.23 35.87 20.60 12.23 32.81
19763.39 16.69 18.90 34.00 38.45 53.10 59.23 59.29 44.80 28.81 12.53 4.03 31.10
1977-5.71 13.36 24.81 39.87 52.26 56.13 62.68 54.29 50.00 36.19 21.90 6.97 34.40
1978-9.87 -2.64 18.81 35.00 45.68 51.90 58.52 56.45 50.83 32.65 16.90 4.00 29.85
1979-9.71 -4.39 19.84 32.10 40.61 56.13 64.42 57.97 48.07 33.23 21.90 16.45 31.38
19805.39 9.48 19.19 32.87 44.94 55.50 59.23 58.61 46.00 33.68 25.57 12.55 33.58
19819.61 12.89 20.77 38.20 44.19 55.13 64.65 60.55 48.50 38.71 28.60 9.42 35.94
1982-7.26 9.50 25.55 32.20 50.71 51.80 63.48 61.65 50.87 39.71 22.10 16.29 34.72
198317.35 21.75 28.52 32.47 41.90 55.53 65.32 65.03 50.37 39.06 27.60 -5.58 36.61
198410.35 24.90 22.39 37.97 43.71 56.97 62.68 62.74 44.73 40.23 24.67 9.00 36.69
19852.77 10.82 28.23 38.47 49.19 50.60 59.29 55.23 49.07 34.10 9.77 -1.84 32.14
19869.26 7.00 27.26 35.53 46.03 57.93 60.77 54.23 49.53 36.84 18.27 13.90 34.71
198712.55 22.39 26.52 37.90 52.19 56.07 62.81 56.26 48.77 30.58 27.17 15.45 37.39
1988-2.71 3.97 22.94 31.43 51.35 61.33 62.52 58.81 47.23 31.48 23.30 10.35 33.50
198910.90 -3.50 17.23 34.50 42.81 51.07 63.16 59.55 47.70 32.52 20.00 0.52 31.37
199017.29 12.32 25.77 30.07 45.39 56.33 60.42 60.13 50.77 32.65 23.13 2.13 34.70
19911.71 17.50 23.81 36.30 50.61 63.37 61.26 61.13 48.73 32.29 17.50 16.19 35.87
199216.16 21.41 24.94 32.77 43.77 53.20 55.35 54.74 46.57 33.65 25.57 8.13 34.69
19933.77 4.75 20.94 33.97 45.10 53.93 60.65 59.29 43.87 31.68 20.07 11.65 32.47
1994-5.13 -0.36 25.16 32.37 48.65 57.60 57.52 56.26 51.03 39.61 25.47 11.29 33.29
19957.87 12.86 22.81 31.67 45.61 58.60 60.58 63.00 47.30 35.81 19.30 13.65 34.92
1996-1.77 11.62 14.52 29.73 45.03 56.80 57.06 58.81 49.17 34.52 14.27 2.03 30.98
1997-0.71 8.61 20.29 31.33 43.06 58.33 63.13 60.23 50.83 38.23 19.37 20.06 34.40
199810.19 24.93 19.94 37.53 50.84 54.47 63.68 62.19 52.33 40.26 27.63 14.10 38.17
19995.16 22.32 25.35 37.03 47.06 57.10 62.61 58.68 45.63 33.58 27.83 14.26 36.39
20007.35 17.52 25.74 33.03 46.94 54.33 61.29 60.26 46.57 39.97 14.73 -1.90 33.82
20018.06 -3.00 14.52 36.37 49.68 57.10 65.00 59.94 50.13 34.77 28.43 14.19 34.60
200214.90 18.14 12.84 32.93 40.29 58.53 66.10 59.68 51.03 29.71 21.77 15.55 35.12
20037.84 5.61 19.00 34.80 43.42 53.80 60.94 60.94 46.23 36.32 19.20 18.84 33.91
20044.39 11.59 26.45 32.93 45.77 51.53 59.32 54.29 52.73 38.03 25.90 16.35 34.94
20054.65 15.25 21.32 35.43 44.06 60.00 63.03 58.71 54.50 37.35 24.17 9.29 35.65
200624.06 12.14 24.10 38.67 44.06 55.63 62.94 60.65 46.30 31.68 20.13 15.55 36.33
20077.65 4.14 28.19 31.00 50.90 59.10 63.65 61.13 50.20 38.61 22.07 6.68 35.28
20082.45 6.00 20.55 29.77 42.84 53.10 61.42 59.90 48.57 36.61 24.63 2.42 32.36
20091.26 11.18 19.90 33.17 44.16 54.37 56.68 55.71 53.03 34.03 27.87 5.94 33.11
20103.90 4.68 29.13 40.63 46.42 58.47 63.97 64.23 49.03 38.52 22.93 8.10 35.83
2011-1.03 4.61 18.03 35.97 46.42 57.10 68.13 60.35 45.27 38.55 21.70 15.94 34.25
201212.48 14.21 34.52 39.23 49.16 59.17 67.58 55.71 43.67 33.32 21.97 11.13 36.85
20136.90 10.71 15.26 26.47 46.10 55.83 61.23 61.45 55.20 36.77 18.60 0.06 32.88
20141.77 1.86 17.13 31.30 45.42 54.67 57.94 59.42 50.17 35.19 13.80 14.52 31.93
201510.39 3.54 21.45 35.10 45.32 57.77 61.90 58.45 54.53 39.35 28.17 15.87 35.99
20167.97 20.55 28.39 34.90 46.10 58.43 60.94 60.26 51.90 40.32 29.83 6.58 37.18
20178.29 20.25 24.32 33.63 43.74 54.07 62.52 55.81 51.77 35.00 21.87 10.45 35.14
20185.35 -1.07 23.77 25.77 52.19 61.17 60.71 59.23 53.13 32.42 18.67 13.58 33.74
20194.00 -3.61 15.81 34.53 44.42 57.47 64.29 60.58 55.67 33.39 22.93 13.81 33.61
20209.26 9.52 27.23 31.37 45.77 61.73 64.03 60.90 48.87 30.45 24.33 14.06 35.63
202118.42 3.14 27.74 32.53 44.45 58.33 63.23 60.58 52.67 40.94 26.20 13.61 36.82
20221.74 3.50 19.94 29.80 46.06 58.53 63.77 60.65 49.97 34.26 19.93 6.35 32.88
20238.65 8.39 15.23 30.93 49.32 60.77 59.55 61.13 53.40 38.03 23.13 21.03 35.80
20248.68 21.90 22.48d-----z-----z-----z-----z-----z-----z-----z-----z-----z17.69i
Period of Record Statistics
MEAN3.15 7.43 20.58 33.87 45.15 55.67 60.94 58.59 48.45 35.73 21.46 9.59 33.37
S.D.7.54 7.93 5.37 3.29 3.42 2.93 2.99 2.84 3.19 3.48 4.33 5.80 2.09
SKEW-0.01 0.16 -0.25 -0.05 0.24 0.27 0.19 0.08 0.14 0.01 -0.55 -0.37 0.04
MAX24.06 25.89 34.52 42.50 54.55 63.40 69.32 66.45 55.67 44.58 29.83 21.29 38.17
MIN-12.84 -14.07 6.06 25.43 37.10 47.73 53.74 52.74 40.33 27.06 5.57 -5.58 28.11
YRS143 143 143 142 142 142 143 143 143 143 143 143 142