condition	mean	min	max
4 h after light	4.79724	4.69273	4.922540000000001
8 h after light	4.699186666666667	4.6422300000000005	4.77946
12 h after light	4.713256666666666	4.71111	4.7148699999999995
4 h after dark	4.68347	4.5828	4.74005
8 h after dark	4.7045900000000005	4.59564	4.82105
12 h after dark	4.77119	4.70814	4.84617