condition mean min max 4 h after light 0.6615095 0.48761 0.835409 8 h after light 1.575165 1.11979 2.03054 12 h after light 3.838865 3.54971 4.12802 4 h after dark 3.447185 3.27262 3.62175 8 h after dark 2.5901899999999998 1.85778 3.3226 12 h after dark 1.9278300000000002 1.80074 2.05492