condition	mean	min	max
0 h after light	23.13205	22.4713	23.7928
4 h after light	16.34415	15.3359	17.3524
8 h after light	16.50775	13.8353	19.1802
4 h after dark	26.4203	25.5573	27.2833
8 h after dark	27.0811	26.5973	27.5649
12 h after dark	21.95995	19.0138	24.9061