condition	mean	min	max
4 h after light	4.9857000000000005	4.9302	5.04215
8 h after light	5.05344	4.9638800000000005	5.19215
12 h after light	5.114556666666667	4.94071	5.3260000000000005
4 h after dark	5.0038133333333334	4.90306	5.14615
8 h after dark	5.01954	4.99528	5.058
12 h after dark	5.04535	4.92986	5.14105