condition	mean	min	max
4 h after light	1406.4	1406.4	1406.4
8 h after light	1445.2	1281.5	1608.9
12 h after light	1655.9	1515.2	1796.6
4 h after dark	2231.05	1802.5	2659.6
8 h after dark	2273.8	2237.5	2310.1
12 h after dark	1885.4	1812.7	1958.1