condition mean min max 4 h after light 2.010205 1.54058 2.47983 8 h after light 1.5803150000000001 1.3894 1.77123 12 h after light 2.08117 1.96295 2.19939 4 h after dark 1.9267699999999999 1.74349 2.10803 8 h after dark 2.35516 2.13646 2.57801 12 h after dark 1.9404433333333333 1.74134 2.28002