condition	mean	min	max
4 h after light	5.81499	5.14863	6.48135
8 h after light	6.50946	6.40182	6.6171
12 h after light	9.25403	7.11786	11.3902
4 h after dark	11.35418	9.84476	12.8636
8 h after dark	9.32117	8.76021	9.88213
12 h after dark	9.398385000000001	9.15994	9.63683