First Day of Autumn Climate Statistics

 

The official start to Autumn is at 949 am CDT on Saturday, September 22.  A cool and breezy start to the season is expected, but how will this compare to extremes for the first day of Autumn?  Check out the rankings below!

Sioux Falls              
                     
Coldest Minimum Temp.     Warmest Maximum Temp.

Year

Date

Max

Min

Precip

 

Year

Date

Max

Min

Precip

1983

9/23

66

28

0

 

1935

9/23

92

66

0

2011

9/23

67

30

0

 

2007

9/23

89

62

0

1895

9/23

69

31

0

 

1938

9/23

88

55

0

1896

9/22

63

31

0

 

1898

9/22

87

53

0

1928

9/23

57

32

0

 

1919

9/23

86

42

0

1893

9/22

72

33

0

 

1908

9/23

85

48

0

1916

9/23

76

33

0

 

1911

9/23

85

59

0

1949

9/23

68

33

0

 

1917

9/23

85

52

0

1971

9/23

71

33

0

 

1937

9/23

85

70

0.27

1990

9/23

64

33

0

 

1940

9/22

85

63

0

                     
Warmest Minimum Temp.   Coldest Maximum Temp.  

Year

 Date

Max

Min

Precip

 

Year

Date

Max

Min

Precip

1937

9/23

85

70

0.27

 

1965

9/23

43

35

0

1930

9/23

83

69

0

 

1942

9/23

49

34

T

1929

9/23

80

68

0

 

1946

9/23

50

38

0.01

1958

9/23

82

68

T

 

1951

9/23

51

38

1.01

1935

9/23

92

66

0

 

1961

9/23

51

41

0.02

2008

9/22

81

65

0.02

 

1997

9/22

53

48

0.89

1940

9/22

85

63

0

 

2000

9/22

53

44

0.44

1968

9/22

78

63

0.99

 

1928

9/23

57

32

0

2007

9/23

89

62

0

 

1991

9/23

57

34

0.68

1920

9/23

77

60

0.39

 

2006

9/22

57

52

0.34

1936

9/23

82

60

0

 

 

 

 

 

 
                     
Wettest         Snowiest      

Year

Date

Max

Min

Precip

 

Year

Date

Max

Min

Snowfall

1951

9/23

51

38

1.01

 

 

 

 

 

 

1968

9/22

78

63

0.99

 

It has never snowed on the First Day of Autumn!

1997

9/22

53

48

0.89

 

2010

9/22

69

49

0.73

 

1913

9/23

69

40

0.70

 

 

 

 

 

 

1991

9/23

57

34

0.68

 

 

 

 

 

 

2000

9/22

53

44

0.44

           
                     
Sioux City              
                     

Coldest Minimum Temp.

    Warmest Maximum Temp.

Year

Date

Max

Min

Precip

 

Year

Date

Max

Min

Precip

2011

9/23

70

29

0

 

1938

9/23

95

52

0

1983

9/23

65

31

0

 

1935

9/23

92

68

T

1971

9/23

72

32

0

 

1891

9/23

90

66

0

1896

9/22

66

34

0

 

1921

9/23

90

56

0

1965

9/23

54

34

0

 

2007

9/23

88

55

0

1991

9/23

66

34

0.09

 

1940

9/22

87

65

0

1916

9/23

71

35

0.09

 

1999

9/23

87

42

0

1942

9/23

57

35

0.01

 

1908

9/23

86

59

0

1990

9/23

65

35

0

 

1892

9/22

86

53

T

2003

9/23

82

37

0

 

 

 

 

 

 
                     
Warmest Minimum Temp.   Coldest Maximum Temp.  

Year

 Date

Max

Min

Precip

 

Year

Date

Max

Min

Precip

1930

9/23

85

70

0

 

1961

9/23

52

40

T

1935

9/23

92

68

T

 

1965

9/23

54

34

0

1958

9/23

78

68

T

 

1951

9/23

55

43

0.24

1891

9/22

90

66

0

 

1942

9/23

57

35

0.01

1968

9/22

82

66

1.48

 

1944

9/22

57

48

0.08

1940

9/22

87

65

0

 

1946

9/23

57

38

T

1929

9/23

85

64

0

 

1997

9/22

57

50

1.08

2008

9/22

81

64

0.76

 

2000

9/22

58

50

0.88

2004

9/22

83

63

0.16

 

1910

9/23

60

50

0.03

1915

9/23

73

62

T

 

1928

9/23

60

39

0

 

 

 

 

 

 

1970

9/23

60

48

0.47

                     
Wettest         Snowiest (SINCE 1948)  

Year

Date

Max

Min

Precip

 

Year

Date

Max

Min

Snowfall

1937

9/23

84

59

2.18

 

 

 

 

 

 

1968

9/22

82

66

1.48

 

It has never snowed on the First Day of Autumn

1997

9/22

57

50

1.08

 

1920

9/23

77

58

0.92

 

1963

9/23

69

54

0.90

 

 

 

 

 

 

2000

9/22

58

50

0.88

 

 

 

 

 

 

2008

9/22

81

64

0.76

 

 

 

 

 

 
                     
Huron                  
                     
Coldest Minimum Temp.     Warmest Maximum Temp.

Year

Date

Max

Min

Precip

 

Year

Date

Max

Min

Precip

1887

9/23

59

26

T

 

1935

9/23

93

60

0

1942

9/23

49

28

0.03

 

1937

9/23

92

50

0.20

1990

9/23

67

29

0

 

2007

9/23

91

61

0

1895

9/23

69

30

0

 

1892

9/22

91

45

0

1928

9/23

59

30

0

 

1938

9/23

90

54

0

1989

9/22

55

30

0

 

1940

9/22

90

64

0

1951

9/23

50

31

0.12

 

1886

9/22

89

49

T

1893

9/22

66

32

0

 

1905

9/23

88

46

0

1896

9/22

66

32

0

 

1930

9/23

88

65

T

1916

9/23

74

32

0

 

1958

9/23

88

69

0

1971

9/23

71

32

0

 

1904

9/23

87

58

0.01

1991

9/23

53

32

0.64

 

 

 

 

 

 
                     
Warmest Minimum Temp.   Coldest Maximum Temp.  

Year

 Date

Max

Min

Precip

 

Year

Date

Max

Min

Precip

1958

9/23

88

69

0

 

1965

9/23

42

34

0.01

1891

9/23

85

67

T

 

1942

9/23

49

28

0.03

1930

9/23

88

65

T

 

1951

9/23

50

31

0.12

1940

9/22

90

64

0

 

1960

9/22

50

41

0.26

2008

9/22

78

64

T

 

1991

9/23

53

32

0.64

2007

9/23

91

61

0

 

1946

9/23

54

40

0.02

1935

9/23

93

60

0

 

1910

9/23

55

45

0

1917

9/23

85

59

0

 

1989

9/22

55

30

0

1920

9/23

77

59

1.17

 

1944

9/22

55

46

0.12

1904

9/23

87

58

0.01

 

1961

9/23

55

39

0.03

 

 

 

 

 

 

1997

9/22

55

51

0.60

                     
Wettest         Snowiest      

Year

Date

Max

Min

Precip

 

Year

Date

Max

Min

Snowfall

1920

9/23

77

59

1.17

 

1965

9/23

42

34

T

2004

9/22

60

51

0.71

 

1942

9/23

49

28

T

1991

9/23

53

32

0.64

 

 

 

 

 

 

1997

9/22

55

51

0.60

 

 

 

 

 

 

2006

9/22

56

51

0.50

 

 

 

 

 

 

1968

9/22

70

54

0.33

 

 

 

 

 

 

1889

9/22

78

53

0.32

 

 

 

 

 

 

1934

9/23

64

53

0.27

 

 

 

 

 

 

1960

9/22

50

41

0.26

 

 

 

 

 

 



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