condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0151311 0.0 0.0302622 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.33536259999999996 0.0939808 0.730663 12 h after dark 0.0 0.0 0.0