condition mean min max 4 h after light 10.7184695 10.588372 10.848567 8 h after light 12.2673905 10.77911 13.755671 12 h after light 10.848567 10.848567 10.848567 4 h after dark 11.6094645 10.848567 12.370362 8 h after dark 10.495978999999998 10.143391 10.848567 12 h after dark 8.872898 8.872898 8.872898