condition	mean	min	max
4 h after light	4.492039999999999	1.80802	7.17606
8 h after light	3.42673	2.92971	3.92375
12 h after light	2.9756	2.37309	3.57811
4 h after dark	7.886405	6.25487	9.51794
8 h after dark	4.28922	3.91811	4.66033
12 h after dark	2.070555	1.54295	2.59816