condition	mean	min	max
4 h after light	33.95915	33.2995	34.6188
8 h after light	20.38325	19.0352	21.7313
12 h after light	15.0275	14.9607	15.0943
4 h after dark	9.02707	8.68546	9.36868
8 h after dark	9.326094999999999	9.02888	9.62331
12 h after dark	19.87225	19.8199	19.9246