METEOROLOGICAL TABLES. 



121 



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



East Lansing, Michigan. 



Atmospheric Puessure. (Reduced to sea level; inches and hundredths.) — Mean, 29.92; highest, 30.28; date, 19; lowest, 

 29.09; date, 24. 



Temperature.— Highest, 97; date, 1; lowest, 42; date, 19; greatest daily range, 39; date, 19; least daily range, 17; date, 22. 



Prectpitation. — Total this month, 1.53; snowfall, 0; greatest precipitation in 24 hours, .94; date, 26 and 27; snow on the 

 ground at end of month, 0. 



Wind. — Prevailing direction, southwest; total movement, 3710 miles; average hourly velocitj-, 5.0; maximum velocity (for 

 five minutes), 2.5 miles per hour, from south, on 9. 



We.wher. — Number of days, clear, 14; partly cloudy, 13; cloudy, 4; on which .01 inch, or more, of precipitation occurred, 9. 



Miscellaneous Phenomena (dates of). — Auroras, : halos: solar, 0; lunar, 0; hail, 0; sleet, 0; fog, 0; thunderstorms, 6, 9, 

 15, 16, 22, 24, 6,2 27, 29; *fro8t: light, 19; heavy, 0; kiUing, 0. 



Note. — "t" indicates trace of precipitation. 



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



DE^'EY A. SEELEY, 

 Local forecaster, Weather Bureau. 



