condition mean min max 0 h after light 1.0133395 0.854219 1.17246 4 h after light 0.6130504999999999 0.543022 0.683079 8 h after light 1.3681299999999998 1.05452 1.68174 4 h after dark 1.494615 1.47134 1.51789 8 h after dark 1.58237 1.31219 1.85255 12 h after dark 0.924431 0.624752 1.22411