condition mean min max 4 h after light 9.373123333333334 5.91653 12.3537 8 h after light 9.215586666666667 3.03586 14.0445 12 h after light 11.981586666666665 7.75256 17.304 4 h after dark 16.9605 11.8174 20.5118 8 h after dark 19.3019 13.7971 25.4831 12 h after dark 12.4874 12.0453 12.7378