The season's first snowcap was observed on Japan's tallest peak, Mt. Fuji, on Thursday, occurring 21 days later than an average but 15 days earlier than last year, a local observatory of the weather agency said.An official from the Kofu observatory in Yamanashi Prefecture observed a layer of snow on the 3,776-meter-high summit around 6 a.m. The observatory said that the snowfall was caused by the presence of clouds and cold air above the mountain since Wednesday.The mercury dropped to minus 6.4 C at a spot near the summit around 1 a.m. Thursday, according to an observation system of the Jap…READ FULL ARTICLE