condition mean min max 3 h after light 4.265783333333333 3.92539 4.91201 6 h after light 3.66647 3.18592 4.06436 9 h after light 3.9852866666666666 3.66966 4.38979 12 h after light 5.242265 4.44946 6.52521 3 h after dark 9.208356666666667 8.51461 9.77868 6 h after dark 7.51563 6.55169 8.20249 9 h after dark 6.0898 5.83483 6.44076 12 h after dark 5.49408 4.8103 6.17786