condition	mean	min	max
4 h after light	1811.5	1811.5	1811.5
8 h after light	1440.25	1385.9	1494.6
12 h after light	1337.65	1209.7	1465.6
4 h after dark	1291.7	1281.9	1301.5
8 h after dark	1328.15	1170.8	1485.5
12 h after dark	1557.15	1388.8	1725.5