condition	mean	min	max
4 h after light	7.6667749999999995	7.61323	7.72032
8 h after light	6.0819600000000005	6.06195	6.10197
12 h after light	7.53519	6.81802	8.25236
4 h after dark	9.917275	9.32425	10.5103
8 h after dark	10.6005	10.596	10.605
12 h after dark	9.780014999999999	9.15063	10.4094