condition	mean	min	max
4 h after light	5.053083333333333	4.920640000000001	5.2356300000000005
8 h after light	5.166166666666667	5.01912	5.308730000000001
12 h after light	4.960023333333333	4.9115	5.05169
4 h after dark	5.0671100000000004	4.92119	5.28086
8 h after dark	5.058003333333334	5.00969	5.098730000000001
12 h after dark	5.042660000000001	4.9772300000000005	5.1478