condition	mean	min	max
4 h after light	1371.7	1371.7	1371.7
8 h after light	1281.35	1101.7	1461.0
12 h after light	916.55	638.1	1195.0
4 h after dark	569.55	446.7	692.4
8 h after dark	665.9	652.5	679.3
12 h after dark	838.9	830.0	847.8