condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 1.34528 0.0 2.24812 9 h after light 1.87469 1.27881 2.23233 12 h after light 2.0654000000000003 0.0 4.83994 3 h after dark 5.45871 5.14844 5.74935 6 h after dark 7.361013333333333 4.9343 9.81645 9 h after dark 7.76071 6.28084 9.10997 12 h after dark 15.049556666666668 9.20097 21.3913