condition mean min max 0 h after light 0.0515605 0.0 0.103121 4 h after light 0.1277119 0.0524428 0.202981 8 h after light 0.153497 0.052392 0.254602 4 h after dark 0.2276695 0.101497 0.353842 8 h after dark 0.152498 0.102235 0.202761 12 h after dark 0.02514 0.0 0.05028