condition	mean	min	max
4 h after light	2199.7	2199.7	2199.7
8 h after light	1892.55	1751.1	2034.0
12 h after light	2015.55	1852.9	2178.2
4 h after dark	2389.8	2171.2	2608.4
8 h after dark	2466.9	2423.9	2509.9
12 h after dark	2569.7	2561.3	2578.1