134 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 90 



WALT AIR (VIZAGAPATAM), INDIA 



Lat. 17° 42' N. Long. 83° 19' E. H b = 38 ft * 



PRESSURE AT STATION LEVEL : COR. TO 0° C. (32° F.) AND TO 



GRAV. AT 45° LAT. 



Means of 7 h 56 m , Indian standard time 



29 inches + 



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



.980 .997 .765 



.892 .975 .760 



.870 .989 .756 



.837 1.008 .766 



.934 1.011 .771 



.915 .936 .775 



.919 .996 .766 



.945 .962 .765 



.901 .945 .762 



.920 .987 .779 



M'ns .967 .919 .856 .769 .651 



.534 



.537 



.579 .675 



.818 



.911 .981 .766 



TEMPERATURE IN DEGREES F. 



Means of \ (daily Max. + daily Min.) 



M'ns 74.1 77.1 81.3 84.8 87.7 87.4 84.6 84.8 83.5 81.9 78.0 74.3 



81.6 



TOTAL PRECIPITATION IN INCHES 



M'ns 0.54 0.83 0.74 1.07 2.09 3.48 3.83 5.49 8.44 8.84 6.03 0.08 41.47 



* H b =38 ft. from Aug. 1918 to Oct. 1929 and 126 ft. from Nov. 1929; corrected to 38 ft. 

 t Mean of 29 days. 

 X Mean of 27 days. 



