Adding Time brings the two into a comparison of time periods. Saying just Day and Night compares the non-time/instantaneous status; light and dark, up and down, inside and outside. This is the purpose of the usage, not a time period.
The expression by night is typically used to contrast someone's nighttime activities to their daytime activities, especially when the nighttime activities are unusual or unexpected. You will see it very frequently in the construction X by day, Y by night. Some examples: ...treated it like a greasy spoon by day and a hotel by night I mean, if it's -- if it's somebody that is -- is living as a ...
FRED Economic Data Your trusted source for economic data since 1991. Trending Search Terms: cpi gdp inflation pce unemployment rate unemployment real gdp interest rate federal funds rate premature death rate
Federal Reserve Economic Data (FRED) is a database maintained by the Research division of the Federal Reserve Bank of St. Louis that has more than 816,000 economic time series from various sources. [1]
View data of the Effective Federal Funds Rate, or the interest rate depository institutions charge each other for overnight loans of funds.
For example, invert an exchange rate by using formula 1/a, where “a” refers to the first FRED data series added to this line. Or calculate the spread between 2 interest rates, a and b, by using the formula a - b.
Starting with the FRED application programming interface (API) and building from there, the FRED team and private contributors have developed a suite of applications and programmatic wrappers that make accessing the data much simpler for those with specific computing preferences.