condition mean min max 0 h after light 2.542 2.45386 2.63014 4 h after light 2.9631800000000004 2.76257 3.16379 8 h after light 2.6334 2.10515 3.16165 4 h after dark 1.984075 1.94577 2.02238 8 h after dark 2.2817100000000003 2.06217 2.50125 12 h after dark 1.851115 1.50872 2.19351