condition	mean	min	max
4 h after light	350.9	350.9	350.9
8 h after light	480.55	379.6	581.5
12 h after light	568.35	504.0	632.7
4 h after dark	574.25	369.1	779.4
8 h after dark	556.8	511.2	602.4
12 h after dark	679.65	547.4	811.9