condition	mean	min	max
0 h after light	16.3489	16.2014	16.4964
4 h after light	8.35253	7.44527	9.25979
8 h after light	11.288	10.9613	11.6147
4 h after dark	13.8132	13.7309	13.8955
8 h after dark	12.181049999999999	12.1421	12.22
12 h after dark	11.5961	11.4884	11.7038