condition	mean	min	max
2 h after light	17.052366666666668	16.7958	17.2476
6 h after light	15.453100000000001	14.2471	17.2863
10 h after light	13.5612	12.644	14.1336
2 h after dark	12.0146	11.7733	12.4293
6 h after dark	9.780076666666666	9.50149	9.95436
10 h after dark	9.60449	9.21576	10.0389