condition	mean	min	max
0 h after light	5.94834	5.36276	6.53392
4 h after light	12.1092	10.9285	13.2899
8 h after light	16.42335	15.6392	17.2075
4 h after dark	19.17945	17.0065	21.3524
8 h after dark	11.4655	10.9402	11.9908
12 h after dark	9.556035	6.36877	12.7433