Delhi Government has said that next cloud seeding trial for artificial rain in the national capital will be conducted once the humidity level in the clouds exceeds 15 percent. Delhi’s Environment Minister Manjinder Singh Sirsa informed that, as per the Meteorological Department, the current humidity in the atmosphere is between 10 and 15 percent. He added that yesterday’s trial was carried out under similar conditions, and the next trial will be taken up when the humidity level rises further.