condition	mean	min	max
4 h after light	18.106821	17.657229	18.556413
8 h after light	18.5956955	16.990518	20.200873
12 h after light	23.571784	18.556413	28.587155
4 h after dark	19.996845	18.645888	21.347802
8 h after dark	25.8522315	18.556413	33.14805
12 h after dark	16.863466	16.863466	16.863466