condition	mean	min	max
0 h after light	11.3708	11.3596	11.382
4 h after light	17.67555	14.4584	20.8927
8 h after light	8.51047	8.37504	8.6459
4 h after dark	6.4185300000000005	6.32197	6.51509
8 h after dark	11.95885	10.4541	13.4636
12 h after dark	12.33405	12.133	12.5351