condition	mean	min	max
0 h after light	20.6891	19.6428	21.7354
4 h after light	16.8052	15.3024	18.308
8 h after light	15.0084	14.7013	15.3155
4 h after dark	26.41285	25.7609	27.0648
8 h after dark	22.21035	20.3224	24.0983
12 h after dark	19.22685	18.8491	19.6046