condition	mean	min	max
0 h after light	5.507565	5.36495	5.65018
4 h after light	5.023125	4.933	5.11325
8 h after light	5.944675	5.58999	6.29936
4 h after dark	5.241245	5.19334	5.28915
8 h after dark	6.165425	6.09701	6.23384
12 h after dark	5.81207	5.68289	5.94125