condition	mean	min	max
4 h after light	4.2509	4.206169999999999	4.2935099999999995
8 h after light	4.468606666666666	4.36527	4.66986
12 h after light	4.38745	4.301830000000001	4.47129
4 h after dark	4.279366666666666	4.21246	4.36205
8 h after dark	4.282603333333333	4.15318	4.38709
12 h after dark	4.262943333333333	4.13523	4.37033