condition	mean	min	max
4 h after light	19.56425	19.1299	19.9986
8 h after light	17.7006	17.1354	18.2658
12 h after light	19.8724	17.0839	22.6609
4 h after dark	21.882849999999998	20.0339	23.7318
8 h after dark	22.883200000000002	21.5093	24.2571
12 h after dark	22.2634	21.8122	22.7146