condition	mean	min	max
4 h after light	7.152760000000001	6.62422	7.6813
8 h after light	7.33083	6.69248	7.96918
12 h after light	9.47156	7.79902	11.1441
4 h after dark	17.110733333333332	14.8941	18.3097
8 h after dark	15.465100000000001	14.3853	16.1322
12 h after dark	8.825003333333333	3.99151	12.3821