condition mean min max 0 h after light 4.403595 4.17574 4.63145 4 h after light 22.138849999999998 16.553 27.7247 8 h after light 7.415795 6.01103 8.82056 4 h after dark 12.600555 7.50531 17.6958 8 h after dark 13.173100000000002 12.2017 14.1445 12 h after dark 15.678695 6.35969 24.9977