condition mean min max 2 h after light 1.2031833333333333 1.03739 1.32666 6 h after light 1.31639 1.09579 1.4368 10 h after light 1.0690199999999999 1.02707 1.11177 2 h after dark 0.961914 0.781172 1.09946 6 h after dark 1.1250996666666668 0.919336 1.49296 10 h after dark 1.0050703333333333 0.91506 1.16502