Mean TMIN on extreme PNA days

Mean TMIN on days of extreme negative PNA   PNG: (1200x900) | (640x480) Open PNG in new window: (1200x900) | (640x480)

Compare to all days mean TMIN   PNG: (1200x900) | (640x480) Open PNG in new window: (1200x900) | (640x480)

Difference when also extreme positive NAM PNG (1200x900) (640x480) Open in new window (1200x900) (640x480)	Difference when also extreme negative NAM PNG (1200x900) (640x480) Open in new window (1200x900) (640x480)	Difference when also extreme positive CTI PNG (1200x900) (640x480) Open in new window (1200x900) (640x480)	Difference when also extreme negative CTI PNG (1200x900) (640x480) Open in new window (1200x900) (640x480)