condition	mean	min	max
4 h after light	6.5665	5.45572	7.67728
8 h after light	6.4131	5.98929	6.83691
12 h after light	9.68705	9.56074	9.81336
4 h after dark	16.5534	16.3614	16.6669
8 h after dark	13.022133333333333	12.1486	13.6219
12 h after dark	10.412776666666666	9.4178	12.3278