condition	mean	min	max
0 h after light	7.528105	7.00957	8.04664
4 h after light	5.86423	5.34713	6.38133
8 h after light	7.3762	7.0956	7.6568
4 h after dark	7.92251	5.84122	10.0038
8 h after dark	8.65616	7.23582	10.0765
12 h after dark	8.31102	6.66459	9.95745