condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.060995 0.0 0.12199 8 h after light 0.314871 0.0 0.629742 4 h after dark 0.548029 0.48607 0.609988 8 h after dark 0.24525599999999997 0.121858 0.368654 12 h after dark 0.0617815 0.0 0.123563