condition mean min max 3 h after light 0.037084 0.0 0.111252 6 h after light 0.03265913333333333 0.0 0.0979774 9 h after light 0.0 0.0 0.0 12 h after light 0.02595775 0.0 0.103831 3 h after dark 0.03818733333333333 0.0 0.114562 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0