condition	mean	min	max
4 h after light	875.1	875.1	875.1
8 h after light	857.3	797.3	917.3
12 h after light	1086.2	848.0	1324.4
4 h after dark	1232.45	1231.2	1233.7
8 h after dark	1216.5	1214.1	1218.9
12 h after dark	1303.0	1230.9	1375.1