condition	mean	min	max
4 h after light	1908.0	1908.0	1908.0
8 h after light	2168.6000000000004	1696.4	2640.8
12 h after light	2763.3	2544.6	2982.0
4 h after dark	3076.65	3007.9	3145.4
8 h after dark	2560.5	2421.8	2699.2
12 h after dark	1978.0	1608.9	2347.1