condition	mean	min	max
0 h after light	3.1860999999999997	3.16993	3.20227
4 h after light	5.1798850000000005	4.42418	5.93559
8 h after light	9.033035	8.92114	9.14493
4 h after dark	8.00592	6.82899	9.18285
8 h after dark	5.51882	5.39708	5.64056
12 h after dark	4.44824	3.43169	5.46479