condition	mean	min	max
4 h after light	17.791600000000003	17.387	18.1962
8 h after light	14.68335	14.6803	14.6864
12 h after light	19.393349999999998	19.0871	19.6996
4 h after dark	25.3838	22.8078	27.9598
8 h after dark	27.0703	26.5629	27.5777
12 h after dark	25.03405	24.9474	25.1207