condition	mean	min	max
4 h after light	6.0271099999999995	5.72777	6.37526
8 h after light	6.95136	6.78103	7.2469600000000005
12 h after light	6.949756666666667	6.82684	7.13421
4 h after dark	6.352399999999999	6.2245099999999995	6.49083
8 h after dark	6.2610866666666665	6.14583	6.3461099999999995
12 h after dark	5.825246666666667	5.73908	5.92494