condition	mean	min	max
4 h after light	19.5405	17.8138	21.2672
8 h after light	19.918100000000003	17.6824	22.1538
12 h after light	18.5867	16.6759	20.4975
4 h after dark	26.824800000000003	26.6564	26.9932
8 h after dark	19.4334	17.7981	21.0687
12 h after dark	20.9634	20.2419	21.6849