condition	mean	min	max
4 h after light	5.25066	5.03713	5.59475
8 h after light	5.11443	4.99087	5.3072
12 h after light	5.282143333333334	5.0319400000000005	5.6795800000000005
4 h after dark	5.271953333333333	4.91526	5.78115
8 h after dark	5.115543333333333	4.85009	5.47524
12 h after dark	5.0482233333333335	4.89436	5.1570599999999995