condition mean min max 0 h after light 159.8845 134.501 185.268 4 h after light 129.68900000000002 126.768 132.61 8 h after light 129.6645 112.954 146.375 4 h after dark 228.30450000000002 222.137 234.472 8 h after dark 231.235 205.323 257.147 12 h after dark 180.8535 167.9 193.807