condition mean min max 2 h after light 2.13824 1.76172 2.67971 6 h after light 1.96913 1.43268 2.92262 10 h after light 1.4227686666666666 0.567326 1.87436 2 h after dark 3.49767 2.57757 5.25428 6 h after dark 4.07362 3.46446 4.6145 10 h after dark 7.017223333333333 4.03635 11.5869