MONTHLY SUMMARY 



January, 1944 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.59. I7tli 



Minimum 29.52, 31st 



Mean semi-daily 30.098 



Range 1.07 



Air Temperature, in degrees F. 



Highest 49, 27th 



Lowest -2, 1 7tli 



Mean _ 26. 7 



Range 5 1 



Higliest mean daily 41.5, 27th 



Lowest mean daily 11.0, 9th 



Mean maximum 35.1 



Mean minimum 18.4 



Greatest daily range 35, I7th 



Least daily range 4, 4th 



Precipitation, in inches 



Precipitation 1.24 



Snow 5.75 



Maximum precipitation in 24 hrs 0.80, 6th 



Number of days with .01 or more 5 



Wind, in miles 



Total movement 3914 



Greatest daily movement 389, 30th 



Least daily movement 3, 18tli 



Mean hourly velocity .__- .__- 4.1 



Maximum velocity 32, 30th 



Wind, direction 



Prcvaihng direction WNW 



North, days 1 



Northeast, days 1 



East, days 



Southeast, days _ —. 5 



South, days 2 



Southwest, days 2 



West, days 6 



Northwest, days .__ _ _14 



Weather 



Mean relative humidity, percent 70 



Mean cloudiness, percent 54 



Number of clear days _____ __. 20 



Number of fair days ____.3 



Number of cloudy days 8 



Number hours bright sunshine 187 



Percent of possible hours of bright 



sunshine 63.6 



Thunder and lightning — 



30.70 



29.20 



30.07 



1.50 



51.1 

 -7.1 

 24.2 



58.2 



3.61 

 13.32 



11 



5055 



6.8 

 32.7 



WNW 



Extremes 



70.1 



55 

 9 

 9 



13 

 137 



46.7 



31.00, 



28.55, 



1927 

 1913 



2.18, 1913; 0.97, 1896 



66.0, 1932 



-26.0, 1904 



34.2, 1913; 13.9, 1918 



7.15, 1898; 1.07, 1896 

 33, 1898, 1923; 1.50, '08 



15, '93, '20; 4, 1901 



7770, 1908; 2896, 1895 



47, 1938 



78, 1932; 37, 1908 



18, 1941 ; 2, 1914 



18, 1890, 1926; 3, 1916 



22, 1923, 1931 ; 4, 1920, 1939 



214, 1920; 74, 1932 



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

 tlie 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 1938. Tlie third cuhmm gives extremes observed from 1889 to 1943. 



