condition mean min max 4 h after light 3.8040950000000002 2.76695 4.84124 8 h after light 2.32737 2.25928 2.39546 12 h after light 4.603755 3.71739 5.49012 4 h after dark 2.7687600000000003 2.44526 3.09226 8 h after dark 4.352825 4.21331 4.49234 12 h after dark 3.100485 3.06105 3.13992