condition	mean	min	max
4 h after light	13.90915	13.4632	14.3551
8 h after light	6.553305	6.17592	6.93069
12 h after light	1.2444359999999999	0.896492	1.59238
4 h after dark	5.24664	4.74569	5.74558
8 h after dark	5.816906666666666	4.76656	6.71714
12 h after dark	4.601999999999999	0.0	7.77