condition mean min max 4 h after light 13.261811999999999 12.387054 14.13657 8 h after light 10.9868725 10.741929 11.231816 12 h after light 11.7023455 11.017637 12.387054 4 h after dark 11.8700095 11.323575 12.416444 8 h after dark 11.3156845 10.244315 12.387054 12 h after dark 12.406134 12.406134 12.406134