Extreme PRCP events during winter in the United States
and their frequency under major teleconnection patterns
COOP Southwest main       PRCP tables Station maps and lists
Extreme high PRCP events
Days on which the PRCP amount was in the top 20% of the 1948-1997 NDJFM days with measureable recorded PRCP

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 PRCP

PRCP is recorded
   Daily precipitation
   (total liquid water equivalent)
Help for PRCP

Maps of
   Observations of PRCP
   Occurrences of PRCP
   Frequency of PRCP
   Mean daily PRCP
   Mean for only days with PRCP
   Extreme PRCP thresholds

PRCP under 2 index extremes
   Pick one extreme:
   
High NAMLow NAM
High PNALow PNA
High CTILow CTI
PRCP occurrences
Days on which measureable PRCP was recorded

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})