condition	mean	min	max
4 h after light	2.09372	1.93901	2.24843
8 h after light	1.8931	1.84161	1.94459
12 h after light	2.722805	2.53604	2.90957
4 h after dark	4.428336666666667	4.107	4.64315
8 h after dark	3.7894	3.33355	4.26349
12 h after dark	2.94535	2.48584	3.65117