condition	mean	min	max
4 h after light	2.1580950000000003	1.81414	2.50205
8 h after light	2.016735	1.92758	2.10589
12 h after light	1.945735	1.92901	1.96246
4 h after dark	2.69849	2.51767	2.79455
8 h after dark	2.8269966666666666	2.78916	2.86518
12 h after dark	1.98483	1.76668	2.27379