condition mean min max 0 h after light 4.80261 4.02886 5.57636 2 h after light 3.23652 2.96524 3.5078 4 h after light 9.0365 8.38199 9.69101 8 h after light 11.567900000000002 11.2085 11.9273 12 h after light 4.403395 3.55092 5.25587 2 h after dark 13.957550000000001 12.4245 15.4906 4 h after dark 18.5487 18.2893 18.8081 8 h after dark 16.8006 14.1803 19.4209 12 h after dark 4.60317 4.56389 4.64245