condition	mean	min	max
4 h after light	5.73154	5.66671	5.81809
8 h after light	5.657603333333333	5.49886	5.754580000000001
12 h after light	5.73698	5.6188	5.9118900000000005
4 h after dark	5.781126666666666	5.7118400000000005	5.827999999999999
8 h after dark	5.755870000000001	5.6967300000000005	5.86739
12 h after dark	5.65868	5.56051	5.76315