condition	mean	min	max
0 h after light	1484.35	1466.42	1502.28
4 h after light	1510.79	1487.68	1533.9
8 h after light	1244.25	1242.2	1246.3
4 h after dark	1904.645	1820.09	1989.2
8 h after dark	1886.47	1839.17	1933.77
12 h after dark	1467.155	1454.81	1479.5