condition mean min max 0 h after light 53.56665 53.5189 53.6144 4 h after light 30.65635 29.0717 32.241 8 h after light 22.60835 21.2046 24.0121 4 h after dark 41.9753 36.4325 47.5181 8 h after dark 41.49675 38.7827 44.2108 12 h after dark 47.12935 41.3183 52.9404