condition	mean	min	max
4 h after light	7.053865	6.48797	7.61976
8 h after light	8.142149999999999	7.58407	8.70023
12 h after light	6.3788350000000005	5.46086	7.29681
4 h after dark	6.7594	5.20412	8.01274
8 h after dark	7.617693333333333	7.12902	7.8777
12 h after dark	7.89667	6.88079	9.35586