condition	mean	min	max
0 h after light	15.030149999999999	14.9897	15.0706
4 h after light	14.41825	13.7654	15.0711
8 h after light	7.88227	7.6705	8.09404
4 h after dark	14.1447	12.7397	15.5497
8 h after dark	20.89875	19.6666	22.1309
12 h after dark	15.3878	13.1451	17.6305