condition	mean	min	max
4 h after light	15.139199999999999	10.8637	19.4147
8 h after light	6.8882200000000005	4.90446	8.87198
12 h after light	3.9448600000000003	2.57107	5.31865
4 h after dark	3.8542933333333336	1.61939	5.78443
8 h after dark	6.2146333333333335	4.1011	8.57379
12 h after dark	8.108723333333334	6.76291	9.20151