condition	mean	min	max
4 h after light	5.5596	5.39485	5.73276
8 h after light	5.536896666666666	5.4078800000000005	5.6995
12 h after light	5.66711	5.49787	6.0035099999999995
4 h after dark	5.690583333333333	5.511419999999999	5.94848
8 h after dark	5.550373333333333	5.47401	5.609369999999999
12 h after dark	5.654913333333333	5.41004	5.95991