condition	mean	min	max
4 h after light	3.3239	2.75736	3.89044
8 h after light	3.409515	3.29176	3.52727
12 h after light	3.7335399999999996	3.5258	3.94128
4 h after dark	6.986420000000001	6.54234	7.4305
8 h after dark	5.247105	4.99408	5.50013
12 h after dark	5.506915	5.44087	5.57296