condition	mean	min	max
4 h after light	51.963499999999996	47.6512	56.2758
8 h after light	30.951999999999998	30.6572	31.2468
12 h after light	16.71015	16.1326	17.2877
4 h after dark	20.7943	19.7964	21.7922
8 h after dark	18.8857	18.6317	19.1397
12 h after dark	39.734750000000005	39.2361	40.2334