Sixteenth Annual Meeting. 45 



BAROMETER. 



Mean height of barometer column, 29.135 inches, which is the highest annual mean 

 on our record. Mean at 7 a. m., 29.154 inches; at 2 r. M., 29.114 inches; at 9 P. M., 

 29.137 inches; maximum, 29.869 inches, on February 17th; minimum, 28.289 inches, 

 on April 22d; yearly range, 1.580 indies. The highest monthly mean was 29.340 

 inches, in February; the lowest was 28.957 inches, in April. The harometer observa- 

 tions are corrected for temperature and instrumental error only. 



RKLATIVE IIl'MIDITY. 



The average atmospheric humidity for the year was 69.7; at 7 a. m., 79.85; at 2 P. St., 

 53.36; at 9 P. m., 76.01. The dampest month was January, with mean humidity, 79.1; 

 the driest month was April, mean humidity, 53.3. There were eighteen fogs during the 

 year. The lowest humidity for any single observation was 10.5 per cent., on April 17th 

 and 24th. 



