condition mean min max 4 h after light 9.9203005 9.612903 10.227698 8 h after light 9.5125625 8.188564 10.836561 12 h after light 48.600390999999995 17.385049 79.815733 4 h after dark 11.827177500000001 11.361361 12.292994 8 h after dark 29.229332 19.462613 38.996051 12 h after dark 11.249671 11.249671 11.249671