condition mean min max 4 h after light 4.7802 4.56752 5.074 8 h after light 4.80842 4.6222900000000005 5.09138 12 h after light 4.6174 4.4802599999999995 4.83764 4 h after dark 4.700233333333333 4.67322 4.71946 8 h after dark 4.7349266666666665 4.58373 4.87846 12 h after dark 4.78524 4.6256 5.01025