condition	mean	min	max
4 h after light	7.347825	6.88713	7.80852
8 h after light	8.168255	7.25615	9.08036
12 h after light	8.824475	8.50203	9.14692
4 h after dark	9.469565	9.2084	9.73073
8 h after dark	9.943705	9.64351	10.2439
12 h after dark	9.480505	9.14769	9.81332