condition	mean	min	max
4 h after light	2170.3	2170.3	2170.3
8 h after light	2276.4	2124.0	2428.8
12 h after light	2003.15	1711.2	2295.1
4 h after dark	2035.0	1753.1	2316.9
8 h after dark	2220.05	2106.4	2333.7
12 h after dark	2099.1	1899.2	2299.0