condition	mean	min	max
4 h after light	3.83456	0.0	6.38065
8 h after light	5.2069	2.46866	7.7145
12 h after light	8.474303333333333	4.70168	11.9939
4 h after dark	8.600893333333334	7.14751	10.3509
8 h after dark	8.26138	6.95689	8.94147
12 h after dark	4.81725	4.5127	5.08181