extRemes (version 1.61)

PORTw: Daily maximum and minimum temperature

Description

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).

Usage

data(PORTw)

source

National Oceanic and Atmospheric Administration/National Climate Data Center (NOAA/NCDC).

Details

See Wettstein and Mearns (2002) for a much more detailed explanation of the above variables.

References

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.

Examples

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.