condition	mean	min	max
4 h after light	2037.2	2037.2	2037.2
8 h after light	2609.9	2354.8	2865.0
12 h after light	2176.45	2160.9	2192.0
4 h after dark	1924.0	1840.5	2007.5
8 h after dark	2327.55	2227.8	2427.3
12 h after dark	2201.25	2198.4	2204.1