condition	mean	min	max
4 h after light	1137.1	1137.1	1137.1
8 h after light	900.0999999999999	866.3	933.9
12 h after light	940.05	736.1	1144.0
4 h after dark	988.25	968.2	1008.3
8 h after dark	1002.45	995.3	1009.6
12 h after dark	1011.15	1001.4	1020.9