condition	mean	min	max
4 h after light	23.686239	22.077973	25.294505
8 h after light	26.130902	26.120987	26.140817
12 h after light	18.907441	18.109541	19.705341
4 h after dark	21.973795000000003	21.270921	22.676669
8 h after dark	21.0999285	20.470306	21.729551
12 h after dark	23.48947	23.48947	23.48947