condition	mean	min	max
4 h after light	3.861455	3.69916	4.02375
8 h after light	4.41996	4.07256	4.76736
12 h after light	5.939375	5.80277	6.07598
4 h after dark	6.913846666666666	6.22974	7.41788
8 h after dark	5.8190333333333335	5.19433	6.6436
12 h after dark	5.070673333333334	4.16616	6.57516