condition	mean	min	max
4 h after light	20.661	18.3996	22.9224
8 h after light	16.74755	16.6037	16.8914
12 h after light	15.5253	13.9206	17.13
4 h after dark	25.13225	22.243	28.0215
8 h after dark	23.2703	22.5834	23.9572
12 h after dark	24.43595	23.0362	25.8357