PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
456 AM MDT THU AUG 23 2007

...AVERAGE AND EARLIEST FROST AND FREEZE DATES AFTER AUGUST 1...

HERE ARE THE AVERAGE AND EARLIEST FROST AND FREEZE DATES FOR THE
LATE SUMMER AND EARLY FALL MONTHS FOR BILLINGS...MILES CITY AND
SHERIDAN. THE FREEZING TEMPERATURE IS BASED ON 32 DEGREES
FAHRENHEIT AND THE FROST TEMPERATURE IS BASED ON 36 DEGREES
FAHRENHEIT.

THE AVERAGE DATES ARE BASED ON A 30 YEAR AVERAGE FROM 1971 TO
2000. THE EARLIEST DATES ARE THE EARLIEST OCCURRENCES OF A FROST
AND FREEZE AFTER AUGUST 1 SINCE 1934 IN BILLINGS...1937 IN MILES
CITY AND 1934 IN SHERIDAN.


...BILLINGS...

AVERAGE FIRST FREEZE DATE       OCTOBER 1
EARLIEST FREEZE ON RECORD       SEPTEMBER 4

AVERAGE FIRST FROST DATE        SEPTEMBER 21
EARLIEST FROST ON RECORD        AUGUST 24


...MILES CITY...

AVERAGE FIRST FREEZE DATE       SEPTEMBER 28
EARLIEST FREEZE ON RECORD       SEPTEMBER 2

AVERAGE FIRST FROST DATE        SEPTEMBER 20
EARLIEST FROST ON RECORD        AUGUST 22


...SHERIDAN...

AVERAGE FIRST FREEZE DATE       SEPTEMBER 19
EARLIEST FREEZE ON RECORD       AUGUST 17

AVERAGE FIRST FROST DATE        SEPTEMBER 13
EARLIEST FROST ON RECORD        AUGUST 17

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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Billings Weather Forecast Office
2170 Overland Avenue
Billings, Montana 59102-6455

Tel: (406)652-0851