METEOROLOGICAL TABLES. 



125 



Meteorological observations for the month of January, 1912, at Agricultural College, East 



Lansing, Michigan. 



Atmospheric Pressure.— (Reduced to sea level; inches and hundredths).— Mean, 30.03; highest, 30.62; date, 12; lowest , 

 29.45; date, 8. 



Temper.\ture.— Highest, 35; date, 18; lowest, -17; date, 13: greatest daily range, 31; date, 28; least daily range, 3; date, I. 



Precipit.\tion.— Total this month, 0.80; snowfall. 10.1; greatest precipitation in 24 hours, 0.31; date, 8; snow on the ground 

 at end of month, 6.8. 



Wind.— Prevailing direction, west; total movement, 3639 miles; average hourly velocity, 4.9; maximum velocity (for five 

 minutes), IS miles per hour, from southwest, on 1. 



\\kathki!.-N limber of days, clear, 4; partiv flou<lv, 8; cloudv, 19; on which .01 inch, or more, of precipitation occurred, 13. 



Miscellaneous Phenomen.a (dates of).— .\uroras', 0; halos:' solar, 3-5. 6, 11, I.'?; lunar, 3, 4, 5, 0; hail, 0; sleet, 28; fog, 0; 

 thunderstorms, 0. 



DEWEY A. SEELEY, 

 Local Forecaster, Weather Bureau. 



