condition	mean	min	max
4 h after light	12.97655	12.1738	13.7793
8 h after light	6.00211	5.3762	6.62802
12 h after light	6.322134999999999	6.1219	6.52237
4 h after dark	7.004886666666667	5.71648	8.02123
8 h after dark	12.099733333333333	11.6449	12.5304
12 h after dark	12.9547	11.5249	13.7705