condition	mean	min	max
4 h after light	1533.1	1533.1	1533.1
8 h after light	1135.85	1081.1	1190.6
12 h after light	1366.7	1329.5	1403.9
4 h after dark	1408.7	1173.2	1644.2
8 h after dark	938.3	758.9	1117.7
12 h after dark	1064.45	987.1	1141.8