condition mean min max 4 h after light 9.392925 9.135235 9.650615 8 h after light 8.678218000000001 8.573861 8.782575 12 h after light 9.48184 9.138912 9.824768 4 h after dark 10.53825 9.612036 11.464464 8 h after dark 9.170512500000001 9.033226 9.307799 12 h after dark 9.404861 9.404861 9.404861