MONTHLY HISTORICAL STATE CLIMATE SUMMARIES

Wisconsin State Climatology Office

 Statewide Average Precipitation (inches)

(Averages courtesy of NOAA/National Climatic Data Center)

Note: Data for the most recent 6 months are considered preliminary and subject to change.

Year

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

YEAR

1895

1.46

0.55

0.49

1.30

3.89

2.90

2.50

2.86

3.00

0.49

1.65

1.51

22.60

1896

0.63

0.47

1.31

5.06

5.06

3.44

3.20

2.54

4.36

2.70

2.86

0.83

32.46

1897

1.95

1.16

2.45

2.45

1.84

5.53

3.88

2.45

2.29

1.56

1.31

1.09

27.96

1898

1.20

1.50

2.32

2.44

2.88

3.97

2.90

3.26

2.01

4.05

1.33

0.38

28.24

1899

0.85

0.94

2.36

2.44

4.26

5.66

3.23

3.28

2.58

2.53

1.06

1.59

30.78

1900

0.95

1.71

1.24

2.56

1.60

2.05

7.32

4.42

5.23

6.00

1.58

0.70

35.36

1901

0.76

0.80

2.82

0.86

2.32

4.26

4.34

1.71

4.25

2.63

0.84

0.93

26.52

1902

0.67

1.29

1.31

1.62

5.87

4.06

6.32

1.96

3.37

1.79

2.39

2.19

32.84

1903

0.47

1.06

2.50

3.17

5.29

1.89

5.73

6.53

5.20

2.50

0.95

0.86

36.15

1904

0.49

1.16

2.34

1.87

4.79

3.68

3.56

2.96

4.91

3.98

0.20

1.85

31.79

1905

1.07

1.14

1.60

1.37

5.40

7.15

3.71

4.94

3.21

2.82

2.03

1.00

35.44

1906

2.43

0.82

2.29

1.69

4.45

4.90

2.58

4.15

3.59

2.90

3.00

1.61

34.41

1907

2.03

0.48

1.66

2.42

2.63

3.65

5.20

4.23

4.90

0.79

1.19

1.17

30.35

1908

0.87

1.63

2.10

3.51

5.48

4.19

3.43

1.87

2.25

1.40

1.58

1.26

29.57

1909

1.18

1.57

1.22

4.68

2.84

3.55

2.65

3.67

3.04

1.40

3.56

2.26

31.62

1910

1.33

0.83

0.16

3.39

2.28

0.98

1.90

3.69

3.46

1.34

1.40

0.82

21.58

1911

0.86

1.80

1.05

1.85

4.71

3.52

3.83

3.93

5.28

5.65

2.72

2.09

37.29

1912

0.69

0.68

0.85

2.23

5.94

1.37

6.31

5.81

3.98

2.16

0.99

1.79

32.80

1913

0.97

1.03

2.91

2.00

5.57

3.17

6.55

2.42

3.62

3.06

1.53

0.25

33.08

1914

1.13

0.64

1.47

2.84

3.58

7.13

3.31

4.20

3.98

2.42

1.01

0.88

32.59

1915

1.40

2.20

0.59

0.87

5.01

3.86

3.99

3.51

5.56

1.92

3.35

0.76

33.02

1916

2.48

0.77

2.06

2.95

3.88

6.18

1.66

3.14

5.02

3.30

1.68

0.90

34.02

1917

1.49

0.77

2.18

2.58

2.45

5.39

2.84

2.78

2.90

3.31

0.34

0.55

27.58

1918

1.86

1.10

1.33

2.16

6.75

2.36

2.74

3.56

1.70

2.46

2.22

1.65

29.89

1919

0.56

1.78

1.57

3.39

2.88

4.89

4.35

2.72

3.75

3.91

2.95

0.74

33.49

1920

1.34

0.52

3.27

2.43

2.56

6.53

2.40

2.80

1.89

2.22

2.30

1.92

30.18

1921

0.50

0.64

2.30

4.35

3.10

2.35

3.58

3.78

4.94

2.07

1.28

2.02

30.91

1922

0.79

3.08

1.88

3.54

3.57

4.44

3.92

2.05

3.52

1.02

3.09

0.74

31.64

1923

1.36

0.69

2.29

2.19

2.10

4.80

3.29

2.85

3.24

1.69

0.74

1.37

26.61

1924

0.80

1.08

2.11

3.98

3.42

4.32

3.62

7.45

3.24

0.60

1.70

1.05

33.37

1925

0.42

1.16

0.85

2.12

1.24

6.20

4.33

2.35

4.69

2.06

0.99

1.46

27.87

1926

0.74

1.65

1.62

1.70

3.77

4.15

3.86

4.44

5.91

3.00

2.95

1.52

35.31

1927

0.83

0.61

2.07

2.46

4.52

2.85

4.31

1.19

4.86

2.97

2.55

1.89

31.11

1928

0.47

1.54

1.47

2.44

2.12

4.33

3.86

6.03

4.16

4.02

1.91

1.03

33.38

1929

2.57

1.17

1.63

3.97

2.43

3.96

3.43

1.91

3.57

2.04

0.88

0.72

28.28

1930

1.14

1.38

1.24

2.02

3.53

5.39

2.59

1.07

3.01

2.32

1.18

0.41

25.28

1931

0.66

0.60

1.62

1.25

1.78

4.86

2.01

2.78

5.72

3.03

4.12

1.11

29.54

1932

2.01

1.33

1.12

1.65

3.15

2.96

2.98

3.63

1.46

1.81

1.95

1.74

25.79

1933

1.28

1.14

1.90

2.69

4.81

2.66

2.89

1.57

3.36

2.46

0.85

1.24

26.85

1934

0.85

0.34

1.47

1.96

1.45

4.09

2.79

2.83

6.41

2.49

4.89

1.33

30.90

1935

1.99

0.83

1.34

2.46

2.55

5.16

4.56

4.32

2.45

2.65

1.95

0.89

31.15

1936

1.25

1.57

1.69

1.29

2.80

2.37

1.03

5.20

3.37

2.24

1.01

1.84

25.66

1937

2.18

1.94

0.58

3.24

3.16

2.74

2.12

2.83

3.04

3.08

1.55

0.81

27.27

1938

1.88

1.96

2.61

3.26

5.36

5.23

4.43

5.02

7.11

1.37

2.39

1.24

41.86

1939

1.86

1.72

0.99

2.28

2.88

5.67

2.04

3.66

2.58

1.81

0.35

0.87

26.71

1940

0.84

1.08

1.29

2.47

3.65

6.46

2.87

5.96

1.32

2.18

3.41

1.42

32.95

1941

1.36

0.75

1.23

2.30

4.23

2.75

2.79

5.13

6.46

4.77

1.37

1.39

34.53

1942

0.64

0.55

2.40

1.76

6.49

4.66

4.28

2.60

6.65

1.97

1.86

1.85

35.71

1943

1.57

0.56

2.10

1.68

4.73

6.02

2.68

4.36

1.97

2.21

2.05

0.23

30.16

1944

0.92

1.25

2.00

2.36

3.85

6.21

2.41

3.53

3.02

0.62

2.35

0.76

29.28

1945

0.70

2.00

1.97

3.94

4.25

4.73

3.48

4.99

3.57

0.87

3.67

1.48

35.65

1946

2.00

0.88

1.74

0.81

2.85

6.83

1.82

2.19

4.62

2.68

2.38

1.38

30.18

1947

1.14

0.32

1.09

3.87

3.86

4.42

2.69

3.67

3.65

1.49

2.19

0.96

29.35

1948

0.52

1.64

1.93

2.52

2.09

3.03

3.14

1.95

1.80

1.00

3.18

1.28

24.08

1949

1.85

0.70

2.32

1.59

2.40

4.98

5.64

2.21

2.11

1.95

1.31

1.19

28.25

1950

2.37

0.90

2.24

3.22

2.96

3.99

5.49

2.71

2.01

1.41

1.22

1.96

30.48

1951

0.84

1.69

3.33

3.98

3.19

4.74

5.12

4.47

3.82

3.96

1.91

1.23

38.28

1952

1.77

0.63

2.27

1.60

3.07

4.80

5.92

4.57

0.78

0.17

1.93

1.22

28.73

1953

0.91

2.14

1.84

3.68

2.99

4.93

4.40

4.00

1.38

0.40

1.45

1.81

29.93

1954

0.71

0.80

1.57

5.20

3.80

6.04

3.91

2.92

5.31

3.90

0.98

0.79

35.93

1955

0.59

1.03

1.42

2.90

3.41

3.56

4.96

2.91

1.69

3.18

1.11

1.05

27.81

1956

0.49

0.48

2.04

2.13

3.67

3.95

4.18

4.46

1.55

1.02

2.38

0.74

27.09

1957

0.37

0.64

0.92

2.21

4.24

4.09

3.96

3.93

2.52

1.43

3.00

1.04

28.35

1958

0.52

0.11

0.54

2.54

2.12

3.18

4.08

3.44

3.28

2.11

1.91

0.35

24.18

1959

0.75

1.25

1.89

2.04

4.44

2.87

3.80

6.87

5.27

4.06

1.50

2.30

37.04

1960

1.34

0.73

0.65

3.71

5.89

3.91

3.18

5.71

3.90

2.36

1.93

0.45

33.76

1961

0.19

1.20

2.94

2.15

2.80

3.09

3.94

2.53

5.56

3.29

2.76

1.24

31.69

1962

0.87

1.78

1.32

1.90

4.41

3.15

3.55

4.99

3.23

2.03

0.52

0.72

28.47

1963

0.54

0.55

1.93

2.03

2.92

3.10

3.11

2.90

3.49

1.08

1.53

0.78

23.96

1964

0.72

0.23

1.42

3.38

4.40

2.13

3.53

3.73

4.85

0.48

2.07

1.11

28.05

1965

0.90

1.15

2.37

3.63

4.36

2.74

3.99

4.20

7.73

1.61

2.81

2.44

37.93

1966

1.07

1.21

3.06

1.71

1.65

3.02

3.61

4.37

1.79

2.29

1.17

1.67

26.62

1967

2.58

1.07

1.39

3.33

2.30

7.08

2.09

3.65

2.03

3.63

0.92

0.92

30.99

1968

0.88

0.37

1.16

4.19

4.48

7.75

4.42

2.40

5.62

2.60

1.13

2.99

37.99

1969

2.68

0.11

0.98

2.18

2.93

6.00

3.73

1.30

2.32

3.60

0.93

1.57

28.33

1970

0.68

0.26

1.30

1.84

5.87

2.55

4.01

1.43

5.99

4.04

2.56

1.48

32.01

1971

1.77

2.52

1.33

1.42

3.17

3.58

3.86

3.12

3.52

3.00

2.73

2.46

32.48

1972

0.91

0.75

1.99

2.26

2.37

3.01

5.45

6.55

5.77

2.66

1.61

2.40

35.73

1973

1.19

0.95

3.24

4.28

6.67

3.03

2.61

4.00

3.52

2.67

1.56

1.78

35.50

1974

1.02

1.07

1.66

3.08

3.74

4.31

2.68

4.37

1.85

1.82

1.94

1.26

28.80

1975

1.66

1.21

2.16

3.72

2.62

4.77

1.94

5.68

2.52

0.94

4.07

1.11

32.40

1976

1.38

1.40

3.73

3.11

2.12

2.11

2.76

1.76

0.91

0.98

0.21

0.46

20.93

1977

0.56

0.93

4.10

3.20

2.64

3.92

4.58

4.73

4.45

2.52

2.55

1.77

35.95

1978

0.90

0.32

0.38

3.62

4.08

4.51

6.65

4.74

5.08

1.42

2.29

1.36

35.35

1979

1.62

1.28

3.48

1.92

3.76

4.22

3.35

4.98

1.08

3.66

1.98

0.81

32.14

1980

1.72

0.40

0.76

2.01

2.48

4.86

3.46

7.92

6.18

1.87

0.78

1.01

33.45

1981

0.14

2.44

0.70

4.24

1.93

5.13

3.39

4.91

2.90

3.28

0.89

1.09

31.04

1982

1.86

0.28

1.91

3.11

4.21

2.72

5.46

3.34

3.57

3.63

3.61

2.74

36.44

1983

1.01

1.24

1.90

2.23

4.48

2.24

3.87

4.79

4.55

3.07

3.70

1.49

34.57

1984

0.51

1.35

1.30

3.64

2.78

5.40

3.32

3.22

4.25

4.61

2.19

2.23

34.80

1985

0.74

1.31

2.75

2.39

3.27

3.06

3.28

4.74

6.25

3.24

4.33

1.66

37.02

1986

0.68

1.34

1.78

2.86

2.13

4.37

5.65

3.82

8.25

2.67

1.14

0.51

35.20

1987

0.69

0.16

1.42

1.95

3.29

2.25

5.38

3.76

2.92

1.92

2.94

2.16

28.84

1988

1.37

0.35

1.53

1.96

1.36

1.55

2.53

4.23

4.40

1.73

3.51

1.20

25.72

1989

0.73

0.50

1.95

1.41

4.13

2.61

3.08

4.04

1.82

2.44

1.31

0.50

24.52

1990

0.98

0.74

2.90

2.76

4.27

6.71

3.11

5.35

3.69

2.83

1.28

1.60

36.22

1991

0.68

0.64

2.86

3.96

4.88

3.52

5.03

2.42

4.79

3.37

5.24

1.32

38.71

1992

0.81

0.83

1.90

3.09

2.10

2.16

4.15

2.86

5.80

1.65

3.88

1.92

31.15

1993

1.48

0.51

1.16

4.43

4.82

6.92

4.97

4.03

3.32

1.61

1.81

0.56

35.62

1994

1.35

1.16

0.76

3.68

1.84

3.73

4.90

4.03

5.17

1.76

2.18

0.53

31.09

1995

0.81

0.34

2.21

3.01

3.66

2.17

3.52

6.99

2.09

4.99

2.06

1.00

32.85

1996

2.57

0.71

1.44

2.51

2.49

6.47

4.21

2.38

2.33

3.63

2.32

1.74

32.80

1997

2.04

0.96

1.91

0.97

3.09

4.12

5.00

4.18

2.85

2.09

0.73

0.65

28.59

1998

1.87

1.57

3.69

2.40

3.46

6.19

1.74

4.19

2.28

2.71

1.82

0.78

32.70

1999

2.23

1.29

0.56

4.18

5.02

4.29

7.75

3.25

2.17

1.30

1.23

0.76

34.03

2000

1.18

1.32

1.39

2.44

4.28

6.62

4.53

3.83

3.78

0.90

2.85

1.57

34.69

2001

1.21

1.69

0.67

4.93

4.86

4.85

2.67

4.59

4.05

2.44

2.28

1.23

35.47

2002

0.57

1.86

2.30

4.22

3.01

5.60

3.63

4.47

4.58

3.97

0.42

0.59

35.22

2003

0.38

0.66

1.89

2.77

4.78

3.32

3.39

2.07

3.18

1.39

3.13

1.42

28.38

2004

0.85

1.66

3.08

2.17

7.64

4.61

3.33

3.21

2.16

3.58

1.65

1.56

35.50

2005

1.78

1.28

1.30

1.61

2.59

3.81

3.22

2.75

3.81

3.09

3.00

1.10

29.34

2006

1.43 0.82 2.05 2.67 4.28 2.28 3.73 4.31 3.19 2.37 1.74 1.79 30.66

2007

1.02 1.21 2.29 2.62 2.61 2.93 3.09 7.08 3.25 4.87 0.32 2.71 33.99

2008

1.42 1.70 1.12 5.38 3.11 6.29 4.07 1.64 2.69 2.14 1.31 2.71 33.58
2009 0.61 1.15 2.17 3.10 2.95 3.25 2.11 4.87 1.13 5.32 0.80 2.19 29.65

115-yr Period of Record (1895-2009)

AVE

1.16

1.07

1.80

2.71

3.59

4.17

3.74

3.75

3.66

2.47

1.96

1.31

31.39

inch/day

0.04

0.04

0.06

0.09

0.12

0.14

0.12

0.12

0.12

0.08

0.07

0.04

0.09

MEDIAN

0.98

1.07

1.78

2.46

3.42

4.09

3.58

3.69

3.52

2.42

1.86

1.24

31.62

STD

0.59

0.55

0.77

0.99

1.28

1.47

1.22

1.40

1.54

1.16

1.03

0.60

3.97

MAX

2.68

3.08

4.10

5.38

7.64

7.75

7.75

7.92

8.25

6.00

5.24

2.99

41.86

MIN

0.14

0.11

0.16

0.81

1.24

0.98

1.03

1.07

0.78

0.17

0.20

0.23

20.93

30-yr normals (1971-2000)

AVE

1.22

1.00

1.96

2.86

3.37

4.02

4.07

4.27

3.74

2.50

2.29

1.35

32.64

inch/day

0.04

0.03

0.06

0.10

0.11

0.13

0.13

0.14

0.12

0.08

0.08

0.04

0.09

MEDIAN

1.10

0.96

1.90

2.94

3.28

4.02

3.87

4.11

3.55

2.59

2.12

1.29

33.15

STD

0.56

0.56

0.98

0.91

1.16

1.51

1.35

1.31

1.67

1.02

1.18

0.64

3.89

MAX

2.57

2.52

4.10

4.43

6.67

6.92

7.75

7.92

8.25

4.99

5.24

2.74

38.71

MIN

0.14

0.16

0.38

0.97

1.36

1.55

1.74

1.76

0.91

0.90

0.21

0.46

20.93

Note: Data for the most recent 6 months are considered preliminary and subject to change.

Statewide Average Annual Precipitation Graphic (1895-present)

Statewide Average Seasonal Snowfall Graphic (1891-present)

Lists of (greatest) (smallest) annual precipitation totals by year
Lists of (greatest) (smallest) monthly precipitation totals by month


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Latest revision: 27 January 2010

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URL Address: https://www.aos.wisc.edu/oldsco/clim-history/state/4700-R.html