condition	mean	min	max
4 h after light	5.501323333333334	5.4122	5.64297
8 h after light	5.33964	5.30715	5.3795
12 h after light	5.32337	5.2831	5.39391
4 h after dark	5.4063	5.30767	5.48209
8 h after dark	5.33891	5.166980000000001	5.4516
12 h after dark	5.631273333333334	5.45068	5.95001