condition	mean	min	max
0 h after light	6.50467	6.29364	6.7157
4 h after light	3.943345	3.89966	3.98703
8 h after light	3.32662	2.86678	3.78646
4 h after dark	4.76097	4.6993	4.82264
8 h after dark	4.9635	4.94862	4.97838
12 h after dark	6.215085	5.2908	7.13937