condition mean min max 4 h after light 2.5090149999999998 2.09484 2.92319 8 h after light 0.965674 0.352438 1.57891 12 h after light 0.962518 0.639466 1.28557 4 h after dark 2.4752400000000003 2.42227 2.52821 8 h after dark 1.086651 0.976732 1.19657 12 h after dark 2.169845 1.98365 2.35604