condition	mean	min	max
4 h after light	5.234516666666666	5.15729	5.30659
8 h after light	5.26687	5.209890000000001	5.34731
12 h after light	5.152053333333333	5.093369999999999	5.19241
4 h after dark	5.0936699999999995	5.07717	5.12197
8 h after dark	5.207843333333334	5.135680000000001	5.285909999999999
12 h after dark	5.28198	5.24095	5.3268699999999995