condition mean min max 4 h after light 1.0978949999999998 1.01332 1.18247 8 h after light 0.662153 0.566114 0.758192 12 h after light 1.1233665 0.917113 1.32962 4 h after dark 1.2611735 0.848847 1.6735 8 h after dark 1.0789325 0.969795 1.18807 12 h after dark 1.32643 1.14672 1.50614