condition	mean	min	max
4 h after light	3722.1	3722.1	3722.1
8 h after light	4055.0	4026.6	4083.4
12 h after light	3501.85	2707.3	4296.4
4 h after dark	1812.85	1097.8	2527.9
8 h after dark	1004.45	769.9	1239.0
12 h after dark	736.0	721.1	750.9