condition mean min max 0 h after light 2.291365 1.75702 2.82571 4 h after light 3.95907 3.94004 3.9781 8 h after light 4.664325 3.77422 5.55443 4 h after dark 3.6677400000000002 2.9666 4.36888 8 h after dark 4.33499 3.96771 4.70227 12 h after dark 2.3110049999999998 2.18932 2.43269