condition	mean	min	max
4 h after light	5.1357800000000005	5.0453	5.28886
8 h after light	5.128666666666667	4.9269	5.34541
12 h after light	4.9244666666666665	4.76218	5.06766
4 h after dark	5.1146	5.0136400000000005	5.20505
8 h after dark	5.00953	4.59779	5.3112699999999995
12 h after dark	5.167126666666666	5.03601	5.42769