Weather
Short-term atmospheric conditions at one specific place and time
Climate
Long-Term average of conditions based upon many years of observation
Phenology
The study of the timings of seasonal and cyclical biological phenomena
Niche
The set of environmental conditions and resources under which a species experiences positive population growth
Coefficient Determination of R^2
Indicated the goodness of fit of a trendline. ranges from 0 (The trendline is meaningless) to 1(the trendline perfectly describes all variation in the data)