condition	mean	min	max
4 h after light	3.7067699999999997	3.25097	4.16257
8 h after light	5.50366	5.00437	6.00295
12 h after light	9.939575000000001	9.83435	10.0448
4 h after dark	15.2152	14.915	15.5154
8 h after dark	6.5424050000000005	6.32227	6.76254
12 h after dark	4.2581299999999995	4.19401	4.32225