condition	mean	min	max
0 h after light	2.81127	2.71683	2.90571
4 h after light	4.097065	2.86487	5.32926
8 h after light	3.00381	2.36627	3.64135
4 h after dark	4.19193	3.24706	5.1368
8 h after dark	2.875425	2.48019	3.27066
12 h after dark	2.48119	1.93454	3.02784