condition	mean	min	max
2 h after light	18.646883333333335	13.2473	23.0853
6 h after light	15.16705	11.9292	17.2499
10 h after light	17.415	12.596	25.8227
14 h after light	18.269983333333332	12.37	24.3627
18 h after light	18.043466666666667	13.7932	22.5422
2 h after dark	16.99535	12.2362	24.0018