condition mean min max 0 h after light 153.083 147.713 158.453 4 h after light 64.69895 42.6055 86.7924 8 h after light 46.415400000000005 43.5459 49.2849 4 h after dark 143.9515 110.667 177.236 8 h after dark 118.53730000000002 98.3576 138.717 12 h after dark 104.345 103.196 105.494