How can it be counted as rain hitting the grave?

When grandma was dying, my uncle and I went to get invisible straw at night. There was a strong wind on the road, followed by very big and bright lightning, but it didn't rain. When my uncle and I came back, the lightning stopped and the wind stopped, because my uncle said I would get the coffin board tomorrow, so I went back first. It's about 1 1: 30 when I get home. I've been online for almost an hour, and my uncle called to say that my grandmother had left. Grandma left at night 12: 40. The day after the funeral, it was cloudy, but it didn't rain. It didn't rain after the weather forecast said it would rain. About an hour after we delivered the furniture, it began to rain, from light rain to heavy rain. It rained all night, and the next day, grandma paid three and stopped. It rained again today. Grandma just left.