condition mean min max 3 h after light 42.8009 37.1751 48.0493 6 h after light 34.42606666666667 31.0415 40.2415 9 h after light 37.906 34.7773 40.9832 12 h after light 41.763125 39.6761 45.3627 3 h after dark 48.17203333333333 42.3542 55.972 6 h after dark 38.894000000000005 34.6955 42.2075 9 h after dark 41.111399999999996 38.3184 43.8683 12 h after dark 39.928200000000004 38.3898 41.4666