Monthly Summary 



February, \9S5 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum . 30.78, 1st 



Minimum 29.49, 3rd 



Mean semi-daily 30.048 



Range 1.29 



Air Tempersilure 



Highest 48,25th 



Lowest -12, 1st 



Mean c 24.0 



Monthly range 60 



Highest mean daily 38.5, 16th 



Lowest mean daily 5.0, 1st 



Mean maximum 33.5 



Mean minimum 14.5 



Greatest daily range 39, 7th 



Least daily range 17th 



Precipitation 



Precipitation. In inches 2.50 



Snow, in inches 9.25 



Maximum precipitation in 24 hrs .93,14th 



Number of days on which .01 or more 



inches of rain fell 7 



Wind (miles) 



.Total movement 3864 



Greatest daily movement 312, 27th 



L^ast daily movement 35, 7th 



Mean hourly velocity 5.9 



Maximum velocity for 5 min., 40, 19th 



(cDriecceri to (M)nfi>rtn to H cup anemometer) 

 Wind (direction) 



Prevailing direction w 



North, days 3 



Northeast, days 



East, days 



Southeast, days 6 



South, days 4 



Southwest, days 



West, days 7 



Northwest, days 8 



Weather 



Mean relative humidity, per cent. . 72.4 



Mean cloudiness, per cent 56.0 



Number of clear days 7 



Number of fair days 8 



Number of cloudy days 13 



Number of hours bright sunshine .124 

 Percent of possible hours of bright 



sunshine 42 



Thunder and Lightning 



Frosts 



30.63 



29.20 



30.03 



1.43 



50.3 

 -7.9 

 23.5 

 58.2 



31.05, 1920 

 28.56, 1895 



1.89, 1900,1908; .88,1913,1931 



65.0, 1930 

 -22.5, 1918 



3.35 



14.27 



10 

 4,833 



7.1 

 29 



77.9 

 50.5 



10 

 8 



10 

 160 



54.1 



8.12, 1900; 0.62, 1901 

 48.75, 1893; 2.5, 1912 



15, 1893, 1920; 4, 1901 

 6,445, 1896; 3,438, 1892 



45, 1933 



90.0, 1889; 66.8, 1902 



66,1890, 1927; 31, 1905 



17, 1924; 2, 1927 



16,1920; 3, 1890 



16, 1894; 2, 1920 



221, 1924; 110, 1927 



NOTK— The first rolunm in the above summary ttives obsei vntions made diiriiiK the 

 month. The second column irives the averages brsed on obseivaiions made from lx lUo 

 192». The third column gives extremes observed from 1«»H to 19S4. 



