condition	mean	min	max
3 h after light	2.39728725	0.07978	6.2088
7 h after light	2.54745955	0.0657496	6.57313
11 h after light	3.6574020833333334	0.0	9.60589
2 h after dark	5.18480325	0.245913	13.4079
6 h after dark	4.327384833333333	0.135514	11.4866
10 h after dark	3.598785625	0.0	11.6549