condition	mean	min	max
4 h after light	7.20007	6.96489	7.5209
8 h after light	7.158686666666666	6.72775	7.4473899999999995
12 h after light	7.33374	7.009510000000001	7.5288699999999995
4 h after dark	6.98739	6.6687	7.159680000000001
8 h after dark	6.80713	6.60155	7.05225
12 h after dark	6.6726	6.4173800000000005	6.8632100000000005