condition mean min max 3 h after light 48.759766666666664 36.2487 58.8754 6 h after light 39.835433333333334 24.7418 48.1937 9 h after light 50.54063333333333 40.8246 63.3011 12 h after light 64.48595 54.4706 75.4225 3 h after dark 63.7014 58.4327 69.2338 6 h after dark 58.3949 53.8951 65.9604 9 h after dark 50.376733333333334 43.0986 62.7076 12 h after dark 53.702200000000005 48.6085 58.7959