Lst night's minimum air temp in Tideswell was -0.4. That's the earliest
date in autumn for an air frost in the 11 years I have been here. The
dates of first air frosts a

2019: 3 Oct
2018: 27 Oct
2017: 30 Oct
2016: 2 Nov
2015: 21 Nov
2014: 25 Nov
2013: 11 Nov
2012: 14 Oct
2011: 20 Oct
2010: 20 Oct
2009: 1 Dec

--
Norman Lynagh
Tideswell, Derbyshire
303m a.s.l.
https://peakdistrictweather.org
twitter: @TideswellWeathr

In message , Norman Lynagh
writes
Lst night's minimum air temp in Tideswell was -0.4. That's the earliest
date in autumn for an air frost in the 11 years I have been here. The
dates of first air frosts a

2019: 3 Oct
2018: 27 Oct
2017: 30 Oct
2016: 2 Nov
2015: 21 Nov
2014: 25 Nov
2013: 11 Nov
2012: 14 Oct
2011: 20 Oct
2010: 20 Oct
2009: 1 Dec


Interesting that the latest date for the first air frost, in 2009,
preceded the coldest winter for many years.
--
John Hall
"If you haven't got anything nice to say about anybody, come
sit next to me."
Alice Roosevelt Longworth (1884-1980)

On Thursday, October 3, 2019 at 10:03:10 PM UTC+1, John Hall wrote:
In message writes
Lst night's minimum air temp in Tideswell was -0.4. That's the earliest
date in autumn for an air frost in the 11 years I have been here. The
dates of first air frosts a

2019: 3 Oct
2018: 27 Oct
2017: 30 Oct
2016: 2 Nov
2015: 21 Nov
2014: 25 Nov
2013: 11 Nov
2012: 14 Oct
2011: 20 Oct
2010: 20 Oct
2009: 1 Dec


Interesting that the latest date for the first air frost, in 2009,
preceded the coldest winter for many years.
--
John Hall
"If you haven't got anything nice to say about anybody, come
sit next to me."
Alice Roosevelt Longworth (1884-1980)

December 2010 was exceptionally cold with snow and ice before Christmas.
First air frost given here as 20 Oct in 2010.
So first air frost is not a good indicator of coming winter's temperatures.

Len
Wembury