condition	mean	min	max
4 h after light	5.422673333333333	5.3259	5.52757
8 h after light	5.34136	5.3173699999999995	5.36244
12 h after light	5.3222000000000005	5.15226	5.4480900000000005
4 h after dark	5.425573333333333	5.28408	5.65873
8 h after dark	5.332673333333333	5.12779	5.60977
12 h after dark	5.307136666666667	5.19338	5.38002