condition mean min max 0 h after light 3.3192500000000003 3.26595 3.37255 4 h after light 1.797515 1.4891 2.10593 8 h after light 2.08491 1.9454 2.22442 4 h after dark 2.4898800000000003 2.09778 2.88198 8 h after dark 3.448595 2.98939 3.9078 12 h after dark 2.053715 2.02081 2.08662