condition	mean	min	max
4 h after light	5.216290000000001	5.02941	5.40317
8 h after light	4.370525	4.35528	4.38577
12 h after light	5.090109999999999	4.48485	5.69537
4 h after dark	5.168943333333333	5.02913	5.43809
8 h after dark	5.453673333333334	4.40299	6.12489
12 h after dark	4.946373333333333	4.15956	5.56924