condition	mean	min	max
4 h after light	5.76174	5.23113	6.29235
8 h after light	5.41301	4.79791	6.02811
12 h after light	17.34385	17.3328	17.3549
4 h after dark	17.5238	15.8163	19.2313
8 h after dark	7.52408	6.97713	8.07103
12 h after dark	5.207000000000001	5.00701	5.40699