PORTw {extRemes} | R Documentation |
Daily maximum and minimum Winter temperature (degrees centigrade) with a covariate for the North Atlantic Oscillation index from 1927 through 1995. Data is for Winter for Port Jervis, New York (PORTw) and Spring for Sept-Iles, Quebec (SEPTsp).
data(PORTw)
A data frame with 68 observations on the following 16 variables.
See Wettstein and Mearns (2002) for a much more detailed explanation of the above variables.
National Oceanic and Atmospheric Administration/National Climate Data Center (NOAA/NCDC).
Gilleland, Eric, and Katz, Richard W., Tutorial for the 'Extremes Toolkit: Weather and Climate Applications of Extreme Value Statistics.' http://www.assessment.ucar.edu/toolkit, 2005.
Thompson, D.W.J. and Wallace, J.M. The Arctic Oscillation signature in the wintertime geopotential height and temperature fields, Geophys. Res. Lett., 25: 1297–1300, 1998.
Wettstein, Justin J. and Mearns, Linda O., The influence of the North Atlantic-Arctic Oscillation on mean, variance and extremes of temperature in the northeastern United States and Canada. Journal of Climate, 15:3586–3600, 2002.
data(PORTw) str(PORTw) par( mfrow=c(2,1)) plot(PORTw[,"TMX1"], type="l", lwd=2, xlab="", xaxt="n", ylab="Maximum Temperature (C)") plot(PORTw[,"TMN0"], type="l", lwd=2, xlab="", xaxt="n", ylab="Minimum Temperature (C)") par(mfrow=c(1,1)) # See Gilleland et al. (2005) for more examples with these data using extRemes.