I've been looking at some of my own records and what immediately shows up is
a massive difference between temperatures in the SouthEast and those in the
CET record. Where winter 95/96 may appear to have been a coolish winter in
CET terms, it was in fact actually quite mild down here. Average
temperatures were certainly warmer than winter 96/97. Another example is
the number of freezing days, in 95/96 there were 3 days, however 96/97 there
were 8 days.

My definition of a freezing day is a temperature less than or equal to 0.4C.

Shaun Pudwell.

Shaun Pudwell wrote:

My definition of a freezing day is a temperature less than or equal to 0.4C.

Shaun Pudwell.

Shaun,

The Met O definition of a freezing day is the same as a freezing night.
There must be a minus sign there or it doesn't count. -0.1C is, 0.0C is
not as 0.0C is the melting point of water, not the freezing point.

Between 0.0C and 0.4C equates to 0C (zero) rounded off.
Between -0.1C and -0.4C equates to -0C rounded off (minus zero, oft
maligned by the general public, but nevertheless significant)

The Met O rule of throwing to the nearest odd would round 0.5C to 1C
and -0.5C to -1C as you seem to suggest.

If you are looking at records of whole degrees, you should really only
include highs of M1C and below as freezing days as you would for night
frosts. That could well change your stats.

Best wishes, and I hope all your zeros are minuses!

Ken Cook, Copley, nr Barnard Castle, County Durham
http://mysite.wanadoo-members.co.uk/copley

"Ken Cook" wrote in message
ups.com...

Shaun Pudwell wrote:

My definition of a freezing day is a temperature less than or equal to
0.4C.

Shaun Pudwell.

Shaun,

The Met O definition of a freezing day is the same as a freezing night.
There must be a minus sign there or it doesn't count. -0.1C is, 0.0C is
not as 0.0C is the melting point of water, not the freezing point.

Between 0.0C and 0.4C equates to 0C (zero) rounded off.
Between -0.1C and -0.4C equates to -0C rounded off (minus zero, oft
maligned by the general public, but nevertheless significant)

The Met O rule of throwing to the nearest odd would round 0.5C to 1C
and -0.5C to -1C as you seem to suggest.

If you are looking at records of whole degrees, you should really only
include highs of M1C and below as freezing days as you would for night
frosts. That could well change your stats.

Best wishes, and I hope all your zeros are minuses!

Ken Cook, Copley, nr Barnard Castle, County Durham
http://mysite.wanadoo-members.co.uk/copley


Graph for Epping since 1979 (bottom graph on page) based on Tmax0.0°. Tells
a tale.
http://tinyurl.com/x4ij

All the best

--
George in Epping, West Essex (107m asl)
www.eppingweather.co.uk
www.winter1947.co.uk

Thanyou for that Ken. I was just really getting at the difference between
the CET and local temps, which seem rather significant. Just because
Northern areas have a cold/snowy winter does not necessarily reflect the
Southeast. Yeh, sure there was some snow but we also had six inches in
March of this year, in what was a very mild winter overall.

Shaun Pudwell.


"Ken Cook" wrote in message
ups.com...

Shaun Pudwell wrote:

My definition of a freezing day is a temperature less than or equal to
0.4C.

Shaun Pudwell.

Shaun,

The Met O definition of a freezing day is the same as a freezing night.
There must be a minus sign there or it doesn't count. -0.1C is, 0.0C is
not as 0.0C is the melting point of water, not the freezing point.

Between 0.0C and 0.4C equates to 0C (zero) rounded off.
Between -0.1C and -0.4C equates to -0C rounded off (minus zero, oft
maligned by the general public, but nevertheless significant)

The Met O rule of throwing to the nearest odd would round 0.5C to 1C
and -0.5C to -1C as you seem to suggest.

If you are looking at records of whole degrees, you should really only
include highs of M1C and below as freezing days as you would for night
frosts. That could well change your stats.

Best wishes, and I hope all your zeros are minuses!

Ken Cook, Copley, nr Barnard Castle, County Durham
http://mysite.wanadoo-members.co.uk/copley