condition	mean	min	max
4 h after light	1940.0	1940.0	1940.0
8 h after light	1571.9	1360.9	1782.9
12 h after light	1519.3000000000002	1506.9	1531.7
4 h after dark	1443.05	1376.1	1510.0
8 h after dark	1311.9499999999998	1143.3	1480.6
12 h after dark	1564.45	1391.4	1737.5