Ian

I quite agree with you. There seems to be many more 30+days in these summers
and this would be of interest to know how 2003 compares with other good summers
or others with 30+days.

It seems incredible when compared to those summers 1954, 1956 1958 that had so
few days even above 22

In message , Mikephelan44
writes
Ian

I quite agree with you. There seems to be many more 30+days in these summers
and this would be of interest to know how 2003 compares with other good summers
or others with 30+days.

Remember that with the exception of 1959, the 1950's and 1960's were
devoid of good summers. However, if you go even further back, I think
you will find that 30C+ days were still pretty common in the past:

Here are some figures on 30C+ days in Coventry:

2003 3
1997 4
1996 3
1995 10
1990 4
1989 3
1983 5
1976 13
1975 4
1947 5
1933 2
1921 4
1911 8
1893 11

Years not mentioned + either 1 or 0

Hope this helps with your 'debate'.
--
Steve Jackson,
Bablake Weather Station,
Coventry, UK
http://www.netlink.co.uk/usrs/bws

Many thanks Steve,

Actually the figures you show to slant towards what I was driving at. 1975
to 2003 you have 9 entries
whereas in the preceding 82 years you have 5 entries. Actually I do take
your point if we go back into the 19th century. I was looking at the
Greenwich record and for 1868 there were 16 occasions though the screen
there was non standard. Nonetheless it was a hot summer.
Ian Currie-Coulsdon
www.Frostedearth.com


Here are some figures on 30C+ days in Coventry:

2003 3
1997 4
1996 3
1995 10
1990 4
1989 3
1983 5
1976 13
1975 4
1947 5
1933 2
1921 4
1911 8
1893 11

Years not mentioned + either 1 or 0

Hope this helps with your 'debate'.
--
Steve Jackson,
Bablake Weather Station,
Coventry, UK
http://www.netlink.co.uk/usrs/bws

On Thu, 7 Aug 2003 16:46:05 +0100, Alastair McDonald in
wrote:
snip
I was looking for a sun spot cycle in the figures and noticed that all the
figures are 5 or less except 1995 and 1976 which are 19 years apart and 1893
and 1911 which are 18 years apart. I wonder if there is an 18.5 year cycle
somewhere :-?

Lunar nodal cycle, Alastair :-)?


--
Mike posted to uk.sci.weather 07/08/2003 16:01:08 UTC
Coleraine
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"Mike Tullett" wrote in message
...
On Thu, 7 Aug 2003 16:46:05 +0100, Alastair McDonald in
wrote:
snip
I was looking for a sun spot cycle in the figures and noticed that all the
figures are 5 or less except 1995 and 1976 which are 19 years apart and
1893
and 1911 which are 18 years apart. I wonder if there is an 18.5 year
cycle
somewhere :-?

Lunar nodal cycle, Alastair :-)?

Well it repeats after 1976 - 1893 years. That's 83. So 83 must be the
lowest common multiplier of 18.5 and another cycle which is a multiple
of approx 4.5 years. So we are looking for another cycle of around
5, 9, 27, or possibly 83 years. Any ideas Mike?

Cheers, Alastair.