condition	mean	min	max
4 h after light	1474.4	1474.4	1474.4
8 h after light	1392.15	1281.0	1503.3
12 h after light	1186.05	1070.1	1302.0
4 h after dark	1146.1	1089.5	1202.7
8 h after dark	1275.35	1274.0	1276.7
12 h after dark	1346.75	1335.0	1358.5