condition	mean	min	max
4 h after light	18.1695195	16.952544	19.386495
8 h after light	16.2939885	15.628301	16.959676
12 h after light	16.0701225	16.020923	16.119322
4 h after dark	13.680617999999999	13.421492	13.939744
8 h after dark	16.360701499999998	13.796325	18.925078
12 h after dark	13.48479	13.48479	13.48479