condition	mean	min	max
4 h after light	5.10764	5.00781	5.2811
8 h after light	5.045313333333333	4.870769999999999	5.18715
12 h after light	4.856953333333333	4.572430000000001	5.1698699999999995
4 h after dark	5.0960833333333335	4.93112	5.26283
8 h after dark	4.884296666666667	4.61731	5.10608
12 h after dark	5.01204	4.81909	5.279319999999999