condition	mean	min	max
0 h after light	16.545299999999997	15.7789	17.3117
4 h after light	6.1888000000000005	6.01589	6.36171
8 h after light	6.6132	6.06666	7.15974
4 h after dark	8.17172	6.68941	9.65403
8 h after dark	9.11867	8.3149	9.92244
12 h after dark	12.15591	9.14902	15.1628