condition	mean	min	max
4 h after light	1315.9	1315.9	1315.9
8 h after light	1059.55	1027.6	1091.5
12 h after light	979.0	928.3	1029.7
4 h after dark	941.6	809.2	1074.0
8 h after dark	841.6	785.1	898.1
12 h after dark	902.75	808.1	997.4