condition mean min max 4 h after light 0.6052853333333333 0.0 1.52491 8 h after light 1.5850053333333334 0.251946 3.37945 12 h after light 1.5122520000000002 0.780507 2.82737 4 h after dark 2.0124566666666666 1.27896 2.45148 8 h after dark 1.71627 1.0183 2.36757 12 h after dark 2.29468 1.79839 2.94122