condition mean min max 0 h after light 0.7971665 0.671991 0.922342 4 h after light 0.588375 0.578696 0.598054 8 h after light 0.041478 0.0 0.082956 4 h after dark 0.0825134 0.0823507 0.0826761 8 h after dark 0.663781 0.578068 0.749494 12 h after dark 1.8603649999999998 1.591 2.12973