condition	mean	min	max
0 h after light	3.437065	2.7164	4.15773
4 h after light	2.378415	2.31699	2.43984
8 h after light	6.468154999999999	6.25958	6.67673
4 h after dark	7.02546	6.4167	7.63422
8 h after dark	6.2568	6.10427	6.40933
12 h after dark	3.7919650000000003	3.17872	4.40521