condition	mean	min	max
4 h after light	15.2337	13.814	16.6534
8 h after light	10.15289	9.76008	10.5457
12 h after light	9.185865	9.17813	9.1936
4 h after dark	13.5752	12.5138	14.8452
8 h after dark	19.858700000000002	19.0803	20.4383
12 h after dark	10.825100007366666	2.21e-08	17.0177