LONDON July 20 (Reuters) - Global daily average primaryaluminium output rose to 66,600 tonnes in June from a revised66,400 tonnes in May, provisional figures from the InternationalAluminium Institute (IAI) showed on Tuesday. Total production in June was 1.999 million tonnes comparedwith a revised 2.058 million tonnes in May. Total production inJune 2009 was 1.893 million tonnes. Daily average primary aluminium production in China rose to47,500 tonnes in June from 45,700 tonnes in May. Total primary aluminium production in China rose to 1.424million tonnes in June from 1.418 million tonnes in May and1.029 million tonnes in June last year.