condition	mean	min	max
4 h after light	5.844023333333333	5.60968	5.967569999999999
8 h after light	5.562	5.46103	5.62801
12 h after light	5.769153333333334	5.61106	5.85588
4 h after dark	5.604943333333333	5.52945	5.74489
8 h after dark	5.5516499999999995	5.444319999999999	5.63551
12 h after dark	5.629723333333333	5.4687	5.8088