condition	mean	min	max
4 h after light	16.096362	16.065277	16.127447
8 h after light	20.9605945	19.938019	21.98317
12 h after light	19.186334000000002	18.389052	19.983616
4 h after dark	22.4471245	21.783434	23.110815
8 h after dark	25.7173865	23.224617	28.210156
12 h after dark	21.556969	21.556969	21.556969