condition	mean	min	max
4 h after light	17.7447965	14.967581	20.522012
8 h after light	11.748406500000002	10.066465	13.430348
12 h after light	10.1773015	10.165641	10.188962
4 h after dark	10.496305	9.720352	11.272258
8 h after dark	11.056213	10.377277	11.735149
12 h after dark	26.494277	26.494277	26.494277