condition	mean	min	max
0 h after light	19.120849999999997	18.0949	20.1468
4 h after light	11.831299999999999	11.5618	12.1008
8 h after light	5.338945000000001	4.95026	5.72763
4 h after dark	7.9795	6.14071	9.81829
8 h after dark	17.2324	16.7894	17.6754
12 h after dark	14.1105	10.067	18.154