condition	mean	min	max
4 h after light	5.782143333333333	5.71359	5.827459999999999
8 h after light	5.7305	5.50641	5.90391
12 h after light	5.783923333333333	5.708419999999999	5.9347900000000005
4 h after dark	5.543793333333333	5.4473400000000005	5.66054
8 h after dark	5.481083333333334	5.384180000000001	5.626930000000001
12 h after dark	5.70047	5.5940900000000005	5.769769999999999