condition	mean	min	max
4 h after light	6.21734	4.89358	7.5411
8 h after light	4.968565	4.81645	5.12068
12 h after light	6.611055	6.46772	6.75439
4 h after dark	8.446446666666667	7.48007	9.33223
8 h after dark	8.549273333333334	7.90501	8.96148
12 h after dark	6.713303333333333	6.4327	7.2424