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TABULATION OF MONTHLY TEMPERATURES, CHICAGO: 1871-1896.

1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 atures for

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47

49 46 49 47 of each year.

. . Mean annual temperature, 26 years, 48.25° F. Maximum, 100° F.-July, 1887. Minimum, -23° F.-December, 1872. Extreme range, 123° F.

YEARS .

181-1996 INCLUSIVE.

-
40 49
16

57 61

30 -8 -23

–1 | Zero-ll Average temp. 48 46 | 47 50 45 49 | 51 | 52 50 51 49 50 47 48 47 49

29

TABULATION OF MONTHLY PRECIPITATION, CHICAGO: 1871-1896.

MONTH.

1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884

4.13 0.68 2.56 3.47 0.96 3.22 1.91 1.31 0.54 3.53 0.87 1.55 1.74 1.39

January
February..

1.45 0.84 0.47 1.51 1.99 3.90 0.06 2.12 1.47 2.91 5.98 2.24 4.74 3.27

March

2.66 3.79 0.89 2.15 1.43 4.04 5.37 4.39 2.37 2.25 2.99 3.43 0.42 5.16

3.70 3.03 6.22 2.67 2.32 2.07 2.42 5.57 1.93 5.20 1.84 6.72 3.72 3.05

April
May

3.90 3.24 7.20 2.09 3.64 1.85 1.81 5.22 3.89 4.97 1.85 5.52 7.32 1.53

June..

5.56 3.45 1.44 3.25 5.17 5.96 6.04 3.02 3.18 3.50 5.93 5.71 5.61 2.11

July.

2.52 3.09 4.04 0.58 7.18 3.11 2.98 6.09 5.58 3.07 4.31 3.43 5.53 3.71

2.01 2.59 1.58 3.15 3.29 3.66 3.06 3.66 0.45 4.47 0.54 4.96 1.21 2.50

August
September.
October

0.74 6.43 3.53 3.76 4.39 3.74 2.02 1.99 1.18 2.25 4.34 0.91 1.36 2.29

1.88 0.65 2.43 2.55 4.32 1.20 6.51 5.17 2.72 3.19 6.89 3.40 7.36 3.59

November.....

3.62 1.06 1.61 2.83 0.75 3.25 6.08 0.83 4.93 0.87 5.97 1.48 5.26 1.80

December .....

3.44 0.22 4.44 0.63 2.62 0.48) 2.75 2.58 2.47 1.11 2.67 1.99 1.59 4.21

Totals....... 35.61 29.07 36.41 28.63 38.06 36.48 41.01 41.95 30.71 37.32 44.18 41.34 45.86 34.61

TABULATION OF MONTHLY PRECIPITATION, CHICAGO: 1871-1896—Continued.

MONTH.

1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896

Means.

January.

3.18 3.56 3.13 1.56 1.64 2.98 1.99 1.99 2.08 1.55 2.15 1.12

2.11

February

2.01 1.51 5.10 1.51 1.31 2.42 1.95 1.57 2.44 2.13 1.60 3.48

2.31

March

0.57 1.79 0.89 2.99 1.43 2.10 2.13 2.21 1.69 2.66 1.32 1.26

2.40

April

4.00 1.29 0.46 2.13 2.35 3.28 3.14 2.17 4.16 2.65 0.86 2.79

3.22

May

3.17 1.00 1.38 6.22 5.38 5.13 2.09 6.77 1.93 3.35 1.99 4.16

3.72

June

5.20 0.94 1.63 1.66 2.93 3.25 2.42 10.58 3.59 1.96 1.79 2.82

3.80

July

2.44 1.53 1.05 3.93 9.56 2.57 2.47 2.23 3.08 0.60 2.42 3.61

3.49

11.28 3.38 3.35 2.10 0.39 2.58 4.52 1.85 0.18 0.60 6.49 3.52

2.98

August
September

2.97 6.93 4.03 0.98 2.75 1.39 0.32 1.34 1.98 8.28 0.89 6.70

2.98

October..

3.87 1.42 2.03 2.95 1.82 4.20 0.36 1.54 1.75 0.84 0.51 1.36

2.93

November

2.33 1.66 2.41 2.89 3.49 1.59 2.83 2.68 2.45 1.18 5.60 2.16

2.82

December

3.35 1.76 3.67 1.94 1.90 1.25 1.32 1.63 2.14 1.66 6.76 0.16

2.34

Totals.

44.37 26.77 29.13 30.86 34.95 32.74 26.54 36.56 27.47 27.16 32.38 33.14

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