condition	mean	min	max
4 h after light	11.586	11.544410000000001	11.65268
8 h after light	11.77654	11.7276	11.84644
12 h after light	11.77315	11.73087	11.79854
4 h after dark	11.65142	11.61694	11.6921
8 h after dark	11.483106666666666	11.43783	11.52402
12 h after dark	11.369353333333333	11.25681	11.46791