condition	mean	min	max
4 h after light	1996.1	1996.1	1996.1
8 h after light	2608.1	2073.6	3142.6
12 h after light	2383.8	1657.1	3110.5
4 h after dark	2142.5	1685.8	2599.2
8 h after dark	1998.05	1326.6	2669.5
12 h after dark	1903.25	1787.5	2019.0