condition	mean	min	max
4 h after light	5.71004	5.6016699999999995	5.838080000000001
8 h after light	5.70555	5.65551	5.78069
12 h after light	5.89843	5.7279800000000005	6.12683
4 h after dark	5.557916666666666	5.50617	5.6037
8 h after dark	5.414793333333333	5.33921	5.53753
12 h after dark	5.584976666666666	5.286919999999999	5.98665