condition	mean	min	max
4 h after light	4.333629999999999	4.15093	4.51633
8 h after light	4.169785	3.93302	4.40655
12 h after light	4.772215	4.74641	4.79802
4 h after dark	5.421193333333333	4.97305	5.72183
8 h after dark	5.328553333333334	4.80761	5.87894
12 h after dark	5.10896	4.25248	5.9603