condition mean min max 3 h after light 2.8100300000000002 2.55512 3.29137 6 h after light 1.4647866666666667 1.09221 1.70789 9 h after light 1.96989 1.52453 2.80775 12 h after light 2.31038 1.27149 4.50895 3 h after dark 1.86399 1.63809 2.20273 6 h after dark 1.85863 1.45488 2.48881 9 h after dark 2.52483 1.95038 3.6525 12 h after dark 3.02314 1.73414 4.31214