condition	mean	min	max
4 h after light	1953.7	1953.7	1953.7
8 h after light	1446.0	1141.5	1750.5
12 h after light	1074.0	1045.4	1102.6
4 h after dark	986.55	790.1	1183.0
8 h after dark	1267.6999999999998	918.8	1616.6
12 h after dark	1875.0	1534.4	2215.6