Frost and Freeze Climatology

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What is the Historical Probability of a White Christmas?

Frost and Freeze Climatology

Tulsa
Records and Averages
Historical First/Last Frost/Light Freeze (32°F) Dates including # of Frost/Light Freeze-free Days
Historical First/Last Hard Freeze (28°F) Dates including # of Hard Freeze-free Days
Historical First/Last Killing Freeze (24°F) Dates including # of Killing Freeze-free Days

Fort Smith
Records and Averages
Fort Smith Historical First/Last Frost/Light Freeze (32°F) Dates including # of Frost/Light Freeze-free Days
Historical First/Last Hard Freeze (28°F) Dates including # of Hard Freeze-free Days
Historical First/Last Killing Freeze (24°F) Dates including # of Killing Freeze-free Days

Fayetteville
Records and Averages
Historical First/Last Frost/Light Freeze (32°F) Dates including # of Frost/Light Freeze-free Days
Historical First/Last Hard Freeze (28°F) Dates including # of Hard Freeze-free Days
Historical First/Last Killing Freeze (24°F) Dates including # of Killing Freeze-free Days

Oklahoma
(Courtesy of the Oklahoma Climatological Survey)
Average Length of Growing Season
Number of Days with highs 32°F or colder
Number of Days with lows 32°F or colder

Average Date of:	First 32°F	Last 32°F

Earliest First Freeze (Autumn)
Latest Last Freeze (Spring)

Probability of First Freezing Temperatures by Date for Select Cities

Arkansas
(Courtesy of the Southern Regional Climate Center)
Average Date of:	First 32°F	Last 32°F
Average Date of:	First 28°F	Last 28°F

Probability of First Freezing Temperatures by Date for Select Cities

Average Date of First Autumn Freeze (32°F)

Average First Freeze Date

Average Date of Last Spring Freeze (32°F)

Average Last Spring Freeze

Record Earliest Occurrence of the First Frost/Light Freeze (32°F)

Earliest 10% first freeze

Record Latest Occurrence of the First Frost/Light Freeze (32°F)

latest 10% first freeze

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