MONTHLY SUMMARY 



February, 1945 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum „.. _.-.30.55, 25th 



Minimum 29.59. 27th 



Mean semi-daily ._..... 30.085 



Range 0.96 



Air Temperature, in degrees F. 



Highest 44, 9tli 



Lowest -1, 6th, 20th 



Mean 25.7 



Range 45 



Highest mean daily 38, 23rd 



Lowest mean daily ...-. 14, 1st 



M ean maximum „_.35.5 



Mean minimum 16.0 



Greatest daily range 38, 6th 



Least daily range 5, 14th 



Precipitation, in inches 



Precipitation 3.33 



Snow 16.50 



Maximum precipitation in 24 hrs. 



- 1.40, 21st, 22nd 



Number of days with .01 or more 12 



Wind, in miles 



Total movement v 4277 



Greatest daily movement 351, 2nd 



Least daily movement 24, 10th 



]VIean hourly velocity .._ .___ 6.4 



Ma.ximum velocity 32, 24th 



Wind, direction 



Prevailing direction W 



North, days 1 



Northeast, days -— 



East, days 2 



Southeast, days ; __ 4 



South, days 



Southwest, days :.._. ._ 2 



West, days 11 



Northwest, days ! 8 



Weather 



Mean relative liumidity, percent 67.5 



Mean cloudiness, percent 58 



Number of clear days __ _ _12 



Number of fair days _... 6 



Number of cloudy days 10 



Number hours bright sunshine .— 171 



Percent of possible hours of bright 



sunshine . 57.8 



Tlunider aufl lightning _ — 



Normal 



Extremes 



30.63 



29.24 



30.04 



1.38 



50.5 

 -7.4 

 23.7 

 58 



32.8 

 14.5 



3.19 

 13.99 



10 



4776 



7.1 

 31.7 



WNW 



5'3.4 



31.05, 1920 

 28.56, 1895 



1.89, '00, '08; .88, '13, '31 



65.0, 1930 

 -23, 1943 



8.12, 1900; 0.62, 1901 

 48.75, 1893; 0.50. 1937 



15, '93. '20; 4. 1901 



6445. 1896; .3438, 1892 



48. 1934, 1937. 1944 



Note — The first column in the above summary gives observations made during 

 the month. The second column gives the averages based on observations made 

 from 1889 to 1938, except that humidity records are based on observations made 

 from 1929 to 19,38. The third colunm gives extremes observed from 1889 to 1944. 



