METEOROLOGICAL TABLES. 



119 



Meteorological observations for the month of May, 1910, at Agricultural College, 



East Lansing, Michigan. 



Atmospheric Pressure. — (Reduced to sea level; inches and hundredths.) — Mean, 30.02; highest, 30.48; date, 4; lowest 

 29.62; date, 23. 



Temperature. — Highest, 80; date, 21; lowest, 28; date, 14; greatest daily range, 36; date, 28; least daily range, 8; date, 31. 



Precipit.\tion. — Total this month, 4.13; snowfall, 0; greatest precipitation in 24 hours, 1.25; date, 2; snow on the ground at 

 end of month, 0. 



WiOT. — Preyailing direction, northwest; total moyement, 4973 miles; average hourly velocity, 6.5; maximum velocity (for 

 five minutes), 24 miles per hour, from southwest on 29. 



Weather. — Number of days, clear, 15; partly cloudy, 7: cloudy, 9; on which .01 inch, or more, of precipitation occurred, 10. 



Miscellaneous Phenomena (dates of).— .Auroras, 6: halos: solar, 7, 19; lunar, 15, 16; hail, 0; sleet, 0: fog, 0; thunderstorms, 



2. 21, 22; *Frost- light, 6, 12, 13; 15, heavy, 4, 5, 14; killing, 0. 

 Note. — "x" indicates trace of precipitation. 

 *Frosts are not recorded after the occurrence of "killing." 

 Form 1030, Met'l will be issued monthly by the local office, 



make application for the same to the official in charge. 



V. S. "Weather Bureau, and mailed free of charge to those who 



"^^ «fD. A. SEELEY, 

 Local forecaster. Weather Bureau. 



