condition	mean	min	max
0 h after light	13.03855	11.7808	14.2963
4 h after light	9.15504	7.50238	10.8077
8 h after light	2.027445	1.82503	2.22986
4 h after dark	7.89315	3.8499	11.9364
8 h after dark	19.5102	16.6917	22.3287
12 h after dark	13.06415	10.6998	15.4285