condition	mean	min	max
4 h after light	5.336573333333333	5.28829	5.38921
8 h after light	5.323213333333333	5.24366	5.4059800000000005
12 h after light	5.3620600000000005	5.25785	5.5303
4 h after dark	5.319556666666667	5.13624	5.6393
8 h after dark	5.2344599999999994	5.14274	5.3154699999999995
12 h after dark	5.26992	5.2359	5.32567