United States & Canada Sea Level Pressure Extremes

 

 

 

Lower 48

Low Extremes

When They

Were Set

Lower 48

High Extremes

When They

Were Set

Alaska & Canada

Low Extremes

When They

Were Set

Alaska & Canada

High Extremes

When They

Were Set

January

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

Dates of Occurrence 

Record Highs

Dates of Occurrence 

February

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence 

March

Record Lows

Dates Of Occurrence

Record Highs

Dates Of Occurrence

Record Lows

 

Record Highs

Dates Of Occurrence 

April

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence 

May

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence 

June

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence 

July

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence 

August

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence 

September

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

October

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

November

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence

December

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

Record Lows

 

Record Highs

Dates of Occurrence 

All Time

Record Lows

Dates of Occurrence

 Record Highs

Dates of Occurrence

Record Lows

Dates of Occurrence

Record Highs

Dates of Occurrence

 

 

Related Links

 

Site-by-site Lower 48 Length of Record

Site-by-site Alaska Length of Record

Development of the SLP records

SLP development Slideshow (Powerpoint)

For any questions, comments, suggestions, e-mail David.Roth@noaa.gov
Last updated March 19, 2024