condition	mean	min	max
4 h after light	4.361995	4.0955	4.62849
8 h after light	5.15195	4.58225	5.72165
12 h after light	5.66381	5.35482	5.9728
4 h after dark	6.7010000000000005	6.51009	6.89191
8 h after dark	4.8173200000000005	4.67391	4.96073
12 h after dark	5.043	5.02902	5.05698