condition	mean	min	max
0 h after light	4.277995	1.70876	6.84723
4 h after light	8.129325	7.83494	8.42371
8 h after light	3.01954	1.69055	4.34853
4 h after dark	5.4625	4.21213	6.71287
8 h after dark	2.959285	2.52437	3.3942
12 h after dark	4.64631	4.17323	5.11939