condition mean min max 0 h after light 0.0841925 0.033725 0.13466 4 h after light 0.1344325 0.102906 0.165959 8 h after light 0.13611279999999998 0.0666126 0.205613 4 h after dark 0.1656425 0.165316 0.165969 8 h after dark 0.09988665 0.0994673 0.100306 12 h after dark 0.0833169 0.0657748 0.100859