condition	mean	min	max
4 h after light	19.971204	19.292976	20.649432
8 h after light	19.034276	18.66808	19.400472
12 h after light	16.041028999999998	12.917577	19.164481
4 h after dark	23.8527045	20.552909	27.1525
8 h after dark	23.203588500000002	22.329942	24.077235
12 h after dark	34.925334	34.925334	34.925334