A6 



1956 32.3 33.8 35.3 41.6 49.8 60.9 68.0 70.1 66.5 58.6 51.7 43.8 51.0 



Mean 34.1 32.3 35.3 42.9 52.6 62.0 69.0 70.3 67.0 58.9 49.5 39.7 51.1 



19^4-1956, one reading per day, usually near noon. 

 Source - D3C&GS 



