condition	mean	min	max
4 h after light	3.9817833333333335	3.88015	4.09299
8 h after light	3.9935366666666665	3.94505	4.07775
12 h after light	4.091419999999999	3.9791199999999995	4.26193
4 h after dark	4.06472	3.99579	4.14294
8 h after dark	3.98916	3.93454	4.05996
12 h after dark	4.097826666666666	4.0115300000000005	4.21258