METEOROLOGICAL TABLES 



MONTHLY METEOROLOGICAL SUMMARY, LANSING, MICHIGAN, MAY, 1923 



143 



Date. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



28 



29 



30 



31 



Temperature. 



Highest 



73 

 70 

 70 

 73 

 65 

 70 

 75 

 60 

 42 

 59- 

 69 

 58 

 59 

 64 

 72 

 57 

 60 

 69 

 75 

 69 

 58 

 65 

 67 

 72 

 79 

 82 

 81 

 82 

 84 

 77 

 84 



Lowest 



37 

 38 

 39 

 40 

 38 

 36 

 40 

 34 

 29 

 26 

 43 

 35 

 28 

 42 

 44 

 39 

 38 

 34 

 49 

 45 

 40 

 38 

 40 

 37 

 40 

 46 

 54 

 47 

 50 

 47 

 46 



Character of 

 day 



Clear 



Clear 



Partly Cloudy 

 Partly Cloudy 



Clear 



Clear 



Partly Cloudy 



Cloudy 



Cloudy 



Clear 



Cloudy 



Cloudy 



Clear 



Partly Cloudy 



Cloudy 



Cloudy 



Partly Cloudy 



Clear 



Partly Cloudy 



Cloudy 



Partly Cloudy 



Cloudy 



Clear 



Clear 



Clear 



Clear 



Clear 



Clear 



Clear 



Clear 



Clear 



Percent- 

 age of 

 possible 

 sunshine 



100 



100 



82 



86 



100 



100 



87 



37 



37 



99 



56 



34 



99 



81 



11 







79 



96 



78 



43 



69 



100 



100 



100 



97 



97 



87 



100 



100 



100 



100 



Mean highest temperature 69 2° 



Mean lowest temperature 40 0° 



Mean temperature for month 54 6° 



Total precipitation for month 3 .45 



Weather 



Nimiber days clear 16 



Partly cloudy 7 



Cloudy 8 



With 0.01 inch or more of precipitation 8 



This month since 1863 



Sunshine 



Number hours sunshine 360 .4 



Possible hours sunshine 454 7 



Percentage of possible 79 



Year. 



1863 

 1864 

 1865 

 1866 

 1867 

 1868 

 1869 

 1870 

 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 

 1897 

 1898 

 1899 

 1900 

 1901 

 1902 

 1903 

 1904 

 1905 

 1906 

 1907 

 1908 

 1909 

 1910 

 1911 

 1912 

 1913 

 1914 

 1815 

 1916 

 1917 

 1918 

 1919 

 1920 

 1921 

 1922 

 1923 

 Normal 



Mean 

 tempera- 

 ture. 



60.2 

 57.6 



55 

 61 1 

 59.1 



56 

 64 3 

 61.4 

 58.5 

 56 9 



59 6 



60 8 

 58 

 58 2 



54 6 

 58 8 



64 3 



65 2 

 52.7 



52 8 

 56 9 



55 8 

 58 1 

 64 3 



53 7 

 57.4 



53 7 



55 7 



54 5 



54 4 

 56.9 



61 8 



66 5 

 55.8 



56 5 



58 8 

 58.8 



55 2 

 58.4 



59 5 

 57.4 



56 7 

 56 6 

 51 2 

 59.6 

 55.8 

 51 5 

 63 5 

 57.6 

 56.2 

 58.6 

 51 5 

 56 6 

 50 2 



61 1 



54 5 



55 1 



60 4 



62 6 

 54 6 

 57.1 



Total 

 precipita- 

 tion. 



87 



77 



48 



80 



80 



2.05 



1.16 



1.97 



3.72 



3 05 



1 77 



4 46 

 4.13 

 2.23 

 3.44 

 2.45 



5 59 



2 11 

 4.04 

 5 66 



3 95 

 2.30 

 2 67 

 2.42 

 3.66 

 3.61 

 4.98 



1 63 

 5.92 



2 86 

 4.83 

 2.06 



3 14 

 3.29 



2 15 



3 59 



17 

 42 

 92 

 63 

 40 

 17 

 05 



2 22 

 5.59 

 2.44 

 4 13 

 2.67 

 6.57 

 2.22 

 4.66 

 2.74 

 5.13 



3 37 



2 89 



4 29 

 1 43 

 1 33 



3 39 

 3 45 

 3 58 



Barometer — Mean, 29.96 inches; highest, 30.39 in-ches, on 23rd; lowest, 29.33 inches, on 16th. 



Temperature — Highest, 80°, on 29th; lowest, 26°, on 10th; greatest daily range, 39°, on 25th; least daily range, 13°, on 9th 

 normal temperature, .57.1°; departure, — 2.5°; accumulated departure since January 1, — 323°; average daily departure since 

 January 1, —2.1°; highest in 38 years, 95°; lowest, 17°. 



Precipitation (in inches) — Totals this month, 3.45; normal, 3.58; departure, — 0.13 ; since January 1st, — 1 .78. greatest amount 

 in 24 hours, 1.62, on 15th and 16th; total snowfall, 11.5 inches. 



Wind — Prevailing direction, east; total movement, 4,379 miles; average hourly velocity, 5.9 miles; maximum vel.icity, 19 

 miles per hour, from northwest on 16th. 



Dates of — Auroras, 18; hail, 0; sleet, 0; fog, dense, 0; thunderstorms, 19, 20; halos, solar, 2, 3, 4, 9, 14, 15, 17, 22, 24; hahs, 

 lunar, 3, 4; frost, killing, 10, 13; heavy, 18, light, 4, 6, 23, 24. 



DEWEY A. SEELEY. 

 Meteorologist. 



