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Meteorological Data

CHICAGO

1871-1896

REPORT OF DEPARTMENT OF HEALTH.

MONTHS.

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Average
monthly
temper-
26 years.

degrees, 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

Fahr.

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51

Zero -11 -2

50 51 49 50 47 48 47 49 47 47 49 45 49 47 46

Zero

49 47 50

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

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TABULATION OF MONTHLY PRECIPITATION, CHICAGO: 1871-1896.

MONTH.

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

January
February..
March..

April

May

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 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 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 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 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 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 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

June....
July

August.

September
October

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..

February

3.18 3.56 3.13 1.56 1.64 2.98 1.99 1.99 2.08 1.55 2.15 1.12
2.01 1.51 5.10 1.51 1.31 2.42 1.95 1.57 2.44 2.13 1.60 3.48

2.11

2.31

March....

April

May

June

July.

August.

September....

October......
November
December...

0.57 1.79 0.89 2.99 1.43 2.10 2.13 2.21 1.69 2.66 1.32 1.26
4.00 1.29 0.46 2.13 2.35 3.28 3.14 2.17 4.16 2.65 0.86 2.79
3.17 1.00 1.38 6.22 5.38 5.13 2.09 6.77 1.93 3.35 1.99 4.16
5.20 0.94 1.63 1.66 2.93 3.25 2.42 10.58 3.59 1.96 1.79 2.82
2.44 1.53 1.05 3.93 9.56 2.57 2.47 2.23 3.08 0.60 2.42 3.61
11.28 3.38 3.35 2.10 0.39 2.58 4.52 1.85 0.18 0.60 6.49 3.52
2.97 6.93 4.03 0.98 2.75 1.39 0.32 1.34 1.98 8.28 0.89 6.70
3.87 1.42 2.03 2.95 1.82 4.20 0.36 1.54 1.75 0.84 0.51 1.36
2.33 1.66 2.41 2.89 3.49 1.59 2.83 2.68 2.45 1.18 5.60 2.16
3.35 1.76 3.67 1.94 1.90 1.25 1.32 1.63 2.14 1.66 6.76 0.16

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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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