condition	mean	min	max
4 h after light	1090.6	1090.6	1090.6
8 h after light	1099.25	1000.5	1198.0
12 h after light	1180.7	989.5	1371.9
4 h after dark	585.85	304.2	867.5
8 h after dark	505.4	472.5	538.3
12 h after dark	374.3	346.0	402.6