condition mean min max 0 h after light 1.46817 1.46686 1.46948 4 h after light 1.0767015 0.996413 1.15699 8 h after light 0.8307545000000001 0.597269 1.06424 4 h after dark 1.0585550000000001 1.05647 1.06064 8 h after dark 0.9194209999999999 0.770492 1.06835 12 h after dark 1.206915 1.17191 1.24192