56o 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 30° N. Long. 0° 



950 mb. + 



Mean 71.1 67.8 65.1 61.7 61.1 61.7 59.7 59.9 62.0 64.2 66.5 69.3 64.2 



Lat. 30° N. Long. 10° E. 

 950 mb. + 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. , Dec. Year 



1929 72.4 65.5 65.4 



32.9 60.8 65.0 62.8 61. 1 62.5 65.6 05.8 69.0 



64.9 



Mean 70.1 66.6 65.1 62.6 61.7 62.2 62.0 62.0 63.6 64.5 66.6 68.0 64.6 



Lat. 30° N. Long. 20° E. 

 950 mb. + 



Mean 69.3 66.1 65.7 64.0 63.1 63.3 62.3 62.4 64.7 66.5 67.4 68.0 65.2 



