condition	mean	min	max
4 h after light	2.03582	1.78092	2.29072
8 h after light	1.3543150000000002	1.15788	1.55075
12 h after light	3.861795	3.56799	4.1556
4 h after dark	4.346285	4.1668	4.52577
8 h after dark	4.008535	3.96709	4.04998
12 h after dark	2.95738	2.73944	3.17532