condition	mean	min	max
4 h after light	7030.8	7030.8	7030.8
8 h after light	7484.75	6878.1	8091.4
12 h after light	7385.0	7288.6	7481.4
4 h after dark	7076.6	6973.4	7179.8
8 h after dark	6788.299999999999	6482.7	7093.9
12 h after dark	6008.85	5325.3	6692.4