condition	mean	min	max
4 h after light	4.81408	4.7586	4.8817699999999995
8 h after light	4.6885699999999995	4.62785	4.72645
12 h after light	4.562913333333333	4.41038	4.695819999999999
4 h after dark	4.67338	4.65833	4.70201
8 h after dark	4.627743333333333	4.58976	4.64878
12 h after dark	4.634406666666666	4.5374	4.71055