condition	mean	min	max
4 h after light	6.8893450000000005	6.03887	7.73982
8 h after light	10.89495	10.6954	11.0945
12 h after light	13.7886	13.1109	14.4663
4 h after dark	14.74595	13.9298	15.5621
8 h after dark	9.43398	9.43288	9.43508
12 h after dark	7.20755	7.00027	7.41483