condition	mean	min	max
4 h after light	9.051193333333334	8.40959	9.56157
8 h after light	9.426253333333333	8.69249	10.11001
12 h after light	9.092063333333334	8.41705	9.66352
4 h after dark	8.762450000000001	8.01215	9.3457
8 h after dark	8.74116	7.97451	9.22901
12 h after dark	8.764103333333335	8.25319	9.120560000000001