condition	mean	min	max
4 h after light	1441.5	1441.5	1441.5
8 h after light	1171.85	1166.6	1177.1
12 h after light	1206.35	1095.2	1317.5
4 h after dark	1336.85	1066.8	1606.9
8 h after dark	1524.05	1475.3	1572.8
12 h after dark	1486.0	1432.6	1539.4