condition	mean	min	max
4 h after light	2.56373	2.42071	2.70675
8 h after light	2.359715	2.23785	2.48158
12 h after light	2.38	1.93925	2.82075
4 h after dark	3.13549	2.7045	3.86281
8 h after dark	2.55368	1.8717	3.11918
12 h after dark	2.62364	2.31529	3.08005