condition	mean	min	max
4 h after light	4.162116666666666	2.65391	5.25299
8 h after light	5.3704	3.52986	6.53663
12 h after light	14.236743333333333	8.38873	22.5635
4 h after dark	20.0871	14.0528	30.0136
8 h after dark	18.9884	14.7367	22.2429
12 h after dark	9.787553333333333	6.37966	11.5004