condition mean min max 0 h after light 0.8793175 0.839081 0.919554 4 h after light 0.4506785 0.42339 0.477967 8 h after light 1.373735 1.29113 1.45634 4 h after dark 1.1703649999999999 1.0424 1.29833 8 h after dark 1.1721235 0.968607 1.37564 12 h after dark 1.116025 1.05361 1.17844