METEOROLOGICAL TABLES. 



153 



Monthly Meteorological Summary, Lansing, Mich., March, 1919. 



Date. 



7.. 



9. 

 10. 



11. 

 12. 

 13. 

 14. 

 15. 



16. 

 17. 

 18. 

 19. 

 20. 



21. 



22. 

 23. 

 24. 

 25. 



26. 

 27. 

 28. 

 29. 

 30. 

 31. 



Character of 

 (lay. 



Cloudy 



Cloudy 



Partly cloudy . 



Cloudy 



Cloudy 



Partly cloudy. 

 Partly cloudy. 

 Partly cloudy. 



Cloudy 



Cloudy 



Clear.. 

 Clear.. 

 Cloudy. 

 Cloudy. 

 Cloudy. 



Cloudy 



Cloudy 



Part ly cloudy . 



Clear 



Clear 



Partly cloudy. 



Clear 



Clear 



Partly cloudy . 

 Partly cloudy . 



Cloudy. 

 Cloudy. 

 Clear.. 

 Clear.. 

 Cloudy. 

 Clear.. 



Percent- 

 age of 

 po&sible 



sunshine. 



Mean highest temperature . . . 



t Mean lowest temperature. . . . 



Mean temperature for month . 



Total precipitation for iponth . 



57 



51 



100 



6 



69 



70 

 78 

 51 

 41 

 23 



100 

 100 



2 

 56 







31 

 



61 

 100 

 100 



33 

 100 

 100 



87 

 82 





 53 

 100 

 86 

 31 

 98 



43.0 

 24.5 

 33.8 

 3.48 



Weather. 



Number days clear 9 



Partly cloudy 8 



Cloudy 14 



With 0.01 or more of precipitation 11 



Sunshine. 



Number hours sunshine 223 . 8 



Possible hours sunshine 370.5 



Percentage of possible 60 



This month since 1863. 



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 

 1915 

 1916 

 1917 

 1918 

 1919 



Mean 

 tempera- 

 ture. 



37.1 

 37.0 

 1) 1 

 29.7 

 37.8 

 27.6 

 .30.3 

 38.2 

 24.8 

 28.3 

 32.3 

 26.2 

 30.6 

 24.5 

 40.9 

 33.2 

 35.5 

 .30.3 

 36.0 

 24.9 

 29.9 

 21.3 

 31.3 

 28.3 

 27.0 

 37.6 

 28.2 

 29.3 

 29.9 

 28.2 

 40.1 

 27.2 

 28,7 

 33.0 

 37.0 

 26.3 

 23.6 

 31.1 

 38.0 

 41.0 

 30.2 

 35.4 

 26.2 

 38.6 

 34.8 

 29.9 

 44.0 

 32.7 



22 

 31. 

 31, 

 .30 

 26, 

 34 



37,1 

 33,8 



Total 

 precipita- 

 tion. 



2 26 

 2.79 



3 39 



68 



4 65 

 1.65 

 3,01 

 3,91 

 2,04 

 1,73 

 1,79 

 1.02 

 4,84 

 5,60 

 3.12 

 1,57 

 1,70 

 2.66 

 3.. 58 

 0.71 

 3,67 

 0,58 

 2,63 

 1.78 

 1,88 

 1.22 

 1,54 

 2,41 

 1.31 

 2,82 



1 25 

 0,27 

 1.31 



2 08 

 3,59 

 3. 30 

 1,88 

 2,94 

 3.16 

 1,25 

 3.45 

 3,15 

 1,86 

 2,84 

 2,19 

 O.90 

 0.40 

 1.21 

 1,92 

 3.76 

 1.52 

 0,78 

 3,09 

 2,88 

 3.58 

 3.48 



Barometer— Mean, 30.19 inches; highest, 30.69 inches, on 22nd; lowest, 29.55 inches, on 9th. 



Temperature— 66°, on 16th; lowest, 9°, on 16th; greatest daily range, 31°, on 20th; least daily range, 6° on Ist; 

 normal for month, 32.3°; excess or deficiency this month, -|- 1.5°; accumulated excess or deficiency since January 1st, +376°; 

 average daily, same period, 4-4,2°; highest in 34 years, 82°; lowest, —12°. 



PRECIPIT.4.TI0N (in inches) — Totalamount,3.48;normal,2.26;excessordeficiency this month, -f-1.22-since January 1st, —1.03; 

 greatest amount in any 24 hour period, 1.41, on 8th and 9th; total snowfall, 22.2 inches. 



Wind — Prevailing direction, southwest; total movement, 5,838 miles; average hourly velocity, 7.8 miles. Maximum velocity 

 24, from the southwest, on 17th. 



Dates op— Auroras, 19, 20; Hail, 0; sleet, 4, 18; thunderstorms, 0; Hal os, solar, 2, 3, 6, 7, 8, 9, 16, 23; lunar, 12, 13; Frost: 

 killing, 0; heavy, 0; light.O. 



DEWEY A. SEELEY, 



Meteorologist. 



