condition	mean	min	max
4 h after light	1605.96	1471.84	1740.08
8 h after light	6563.25	6341.5	6785.0
12 h after light	6941.145	6913.31	6968.98
4 h after dark	1731.7849999999999	1341.33	2122.24
8 h after dark	420.68	379.957	461.403
12 h after dark	117.428	110.61	124.246