Extreme TMAX events during winter in the United States
and their frequency under major teleconnection patterns
COOP Southwest main       TMAX tables Station maps and lists
Extreme high TMAX events
Days on which the daily TMAX was in the highest 1/15th (top 6.7%) of all the 1948-1997 NDJFM TMAX observations

Relative occurrences during extreme positive and negative phases of
NAM  (Northern Hemisphere annular mode)
PNA  (Pacific-North America pattern)
CTI  (Cold Tongue Index {measure of ENSO})

Help and more for
COOP Southwest station TMAX

TMAX is recorded
   Daily maximum temperature
Help for TMAX

Maps of
   Observations of TMAX
   Mean daily TMAX
   Standard deviation of TMAX
   Extreme TMAX thresholds

TMAX under 2 index extremes
   Pick one extreme:
   
High NAMLow NAM
High PNALow PNA
High CTILow CTI
Extreme low TMAX events
Days on which the daily TMAX was in the lowest 1/15th (bottom 6.7%) of all the 1948-1997 NDJFM TMAX observations

Relative occurrences during extreme positive and negative phases of
NAM  (Northern Hemisphere annular mode)
PNA  (Pacific-North America pattern)
CTI  (Cold Tongue Index {measure of ENSO})