extRemes (version 1.65)

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

Thompson, D. W. J. and Wallace, J. M. (1998) The Arctic Oscillation signature in the wintertime geopotential height and temperature fields. Geophys. Res. Lett., 25, 1297--1300.

Wettstein, J. J. and Mearns, L. O. (2002) 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.

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)")