condition	mean	min	max
4 h after light	3531.9	3531.9	3531.9
8 h after light	3387.4	3194.8	3580.0
12 h after light	2144.8	1163.3	3126.3
4 h after dark	1943.9	1407.2	2480.6
8 h after dark	2306.3	1958.1	2654.5
12 h after dark	2594.4	2582.8	2606.0