Mean SNOW on extreme CTI days

Mean SNOW on days of extreme positive CTI   PNG: (1200x900) | (640x480) Open PNG in new window: (1200x900) | (640x480)

Compare to all days mean SNOW   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 PNA PNG (1200x900) (640x480) Open in new window (1200x900) (640x480)	Difference when also extreme negative PNA PNG (1200x900) (640x480) Open in new window (1200x900) (640x480)