condition mean min max 0 h after light 93.46045 92.6206 94.3003 4 h after light 23.2024 19.9237 26.4811 8 h after light 17.92685 17.3013 18.5524 4 h after dark 30.72795 23.9871 37.4688 8 h after dark 41.6092 38.5885 44.6299 12 h after dark 62.20635 45.1241 79.2886