condition	mean	min	max
4 h after light	16.076361499999997	14.577886	17.574837
8 h after light	16.9409925	16.403652	17.478333
12 h after light	18.073067	17.31909	18.827044
4 h after dark	11.7588105	11.51581	12.001811
8 h after dark	10.517266	10.121375	10.913157
12 h after dark	13.44646	13.44646	13.44646