condition	mean	min	max
4 h after light	4.1787	3.47689	4.88051
8 h after light	6.52111	6.09016	6.95206
12 h after light	7.15272	7.09711	7.20833
4 h after dark	6.89989	6.13222	7.41179
8 h after dark	4.948746666666667	3.67879	7.20609
12 h after dark	4.838636666666667	3.20221	5.88083