condition	mean	min	max
4 h after light	1541.1142435000002	1534.531688	1547.696799
8 h after light	982.8391885000001	818.140008	1147.538369
12 h after light	997.8451124999999	991.361243	1004.328982
4 h after dark	540.6808625	291.078211	790.283514
8 h after dark	377.98827800000004	251.826957	504.149599
12 h after dark	1541.177394	1541.177394	1541.177394