condition	mean	min	max
4 h after light	2.196875	2.02637	2.36738
8 h after light	2.868245	2.60307	3.13342
12 h after light	4.520015	4.09751	4.94252
4 h after dark	5.32882	5.01014	5.6475
8 h after dark	4.334955	4.13242	4.53749
12 h after dark	3.742295	3.71039	3.7742