condition	mean	min	max
4 h after light	1917.3	1917.3	1917.3
8 h after light	1867.55	1857.0	1878.1
12 h after light	1346.6999999999998	974.8	1718.6
4 h after dark	683.15	534.8	831.5
8 h after dark	502.8	411.4	594.2
12 h after dark	620.3499999999999	580.8	659.9