condition	mean	min	max
4 h after light	7.549643333333333	4.29491	11.6402
8 h after light	5.87904	1.30341	11.4478
12 h after light	5.28946	3.70044	6.24866
4 h after dark	8.444156666666666	5.68479	9.90339
8 h after dark	8.03246	4.4506	9.86928
12 h after dark	10.721013333333334	9.17342	13.6727