condition	mean	min	max
4 h after light	8.07987	7.30378	8.85596
8 h after light	5.14817	5.14798	5.14836
12 h after light	5.5957799999999995	5.35901	5.83255
4 h after dark	6.4131149999999995	6.24186	6.58437
8 h after dark	6.073715	5.9538	6.19363
12 h after dark	7.928835	7.41671	8.44096