condition	mean	min	max
4 h after light	5.33006	5.19792	5.58282
8 h after light	5.183173333333333	5.11707	5.24982
12 h after light	5.125613333333333	4.92877	5.4320699999999995
4 h after dark	5.22943	5.13169	5.35847
8 h after dark	5.14778	4.96662	5.3618
12 h after dark	5.184323333333333	5.07906	5.29427