condition	mean	min	max
4 h after light	14.896	14.8381	14.9539
8 h after light	2.01927	0.0	4.03854
12 h after light	5.737425	4.93234	6.54251
4 h after dark	13.0891	4.3111	21.8671
8 h after dark	17.2072	17.1311	17.2833
12 h after dark	7.83534	7.163	8.50768