As to be expected during conditions like this, it has been rather cold
in Canterbury for the last week or so.

Here's the last 8/9 days:

AbMin AbMax Mean
11 Dec -3.3C 6.4C 0.7C
12 Dec -4.3C 5.8C -0.7C
13 Dec -1.5C 5.7C 2.9C
14 Dec 2.9C 5.4C 4.0C
15 Dec -0.9C 4.0C 2.5C
16 Dec -3.7C 4.2C 0.2C
17 Dec -3.7C 5.1C 0.7C
18 Dec -4.6C 4.4C 0.3C
19 Dec* -3.9C 2.9C
*to 1455Z

Mean maximum this month is 8.6C; mean minimum 2.2C; mean 5.4C.

Jonathan Stott
Canterbury, Kent
Canterbury Weather: http://www.canterburyweather.co.uk/

Yes, it has also been chilly in Sturry, near Canterbury - maximum of 4
degrees C today, but not enough to melt the ground frost!

No rainfall here since the 10th - 39mm so far this month, how about you
Jonathan?

-Ben


"Jonathan Stott" wrote in message
...
As to be expected during conditions like this, it has been rather cold in
Canterbury for the last week or so.

Here's the last 8/9 days:

AbMin AbMax Mean
11 Dec -3.3C 6.4C 0.7C
12 Dec -4.3C 5.8C -0.7C
13 Dec -1.5C 5.7C 2.9C
14 Dec 2.9C 5.4C 4.0C
15 Dec -0.9C 4.0C 2.5C
16 Dec -3.7C 4.2C 0.2C
17 Dec -3.7C 5.1C 0.7C
18 Dec -4.6C 4.4C 0.3C
19 Dec* -3.9C 2.9C
*to 1455Z

Mean maximum this month is 8.6C; mean minimum 2.2C; mean 5.4C.

Jonathan Stott
Canterbury, Kent
Canterbury Weather: http://www.canterburyweather.co.uk/

Ben Wassell wrote:
Yes, it has also been chilly in Sturry, near Canterbury - maximum of 4
degrees C today, but not enough to melt the ground frost!

Today's maximum looks set to be 2.9C (unless it clouds over and warms up
overnight). This is the lowest daily maximum since 23 Feb 2006.

Temperature is currently dropping like a stone, down to -3.1C at 1840Z.

No rainfall here since the 10th - 39mm so far this month, how about you
Jonathan?

31.5mm here, again no rain since the 9th/10th. Some precipitation has
been recorded in the form of dew/frostmelt.

--
Jonathan Stott
Canterbury Weather: http://www.canterburyweather.co.uk/
Reverse my e-mail address to reply by e-mail

In article ,
Jonathan Stott writes:
As to be expected during conditions like this, it has been rather cold
in Canterbury for the last week or so.

Here's the last 8/9 days:

AbMin AbMax Mean
11 Dec -3.3C 6.4C 0.7C
12 Dec -4.3C 5.8C -0.7C
13 Dec -1.5C 5.7C 2.9C
14 Dec 2.9C 5.4C 4.0C
15 Dec -0.9C 4.0C 2.5C
16 Dec -3.7C 4.2C 0.2C
17 Dec -3.7C 5.1C 0.7C
18 Dec -4.6C 4.4C 0.3C
19 Dec* -3.9C 2.9C
*to 1455Z

How are you calculating the means? Most of them seem to diverge from the
traditional (min+max)/2.

Mean maximum this month is 8.6C; mean minimum 2.2C; mean 5.4C.

Which I would imagine is close to average.
--
John Hall
"Honest criticism is hard to take,
particularly from a relative, a friend,
an acquaintance, or a stranger." Franklin P Jones

John Hall wrote:
In article ,
Jonathan Stott writes:
As to be expected during conditions like this, it has been rather cold
in Canterbury for the last week or so.

Here's the last 8/9 days:

AbMin AbMax Mean
11 Dec -3.3C 6.4C 0.7C
12 Dec -4.3C 5.8C -0.7C
13 Dec -1.5C 5.7C 2.9C
14 Dec 2.9C 5.4C 4.0C
15 Dec -0.9C 4.0C 2.5C
16 Dec -3.7C 4.2C 0.2C
17 Dec -3.7C 5.1C 0.7C
18 Dec -4.6C 4.4C 0.3C
19 Dec* -3.9C 2.9C
*to 1455Z

How are you calculating the means? Most of them seem to diverge from the
traditional (min+max)/2.

Daily means are still calculated by integration from 5-minute resolution
data. Monthly means (quoted below) are from an average of (min+max)/2.
On my website I quote both monthly means by integration and (min+max)/2.

There are many arguments for and against the two different methods - I'm
sure someone with more experience can explain better than me! I believe
that the integration method produces a figure much closer to the true
mean but the (min+max)/2 method is traditional and to be used when
comparing historical data.

Mean maximum this month is 8.6C; mean minimum 2.2C; mean 5.4C.

Which I would imagine is close to average.

Mean for Wye (about 10 miles or so to the SW at similar altitude) is
about 5.3C for December.

--
Jonathan Stott
Canterbury Weather: http://www.canterburyweather.co.uk/
Reverse my e-mail address to reply by e-mail

In article ,
Jonathan Stott writes:
Daily means are still calculated by integration from 5-minute
resolution data. Monthly means (quoted below) are from an average of
(min+max)/2. On my website I quote both monthly means by integration
and (min+max)/2.

There are many arguments for and against the two different methods -
I'm sure someone with more experience can explain better than me! I
believe that the integration method produces a figure much closer to
the true mean but the (min+max)/2 method is traditional and to be used
when comparing historical data.

You've explained it well. Personally, I think that the need to maintain
comparability with historical data is the more important factor.
--
John Hall
"Honest criticism is hard to take,
particularly from a relative, a friend,
an acquaintance, or a stranger." Franklin P Jones

"Jonathan Stott" wrote:

As to be expected during conditions like this, it has been rather cold in
Canterbury for the last week or so.

Here's the last 8/9 days:

AbMin AbMax Mean
11 Dec -3.3C 6.4C 0.7C
12 Dec -4.3C 5.8C -0.7C
13 Dec -1.5C 5.7C 2.9C
14 Dec 2.9C 5.4C 4.0C
15 Dec -0.9C 4.0C 2.5C
16 Dec -3.7C 4.2C 0.2C
17 Dec -3.7C 5.1C 0.7C
18 Dec -4.6C 4.4C 0.3C
19 Dec* -3.9C 2.9C
*to 1455Z

Mean maximum this month is 8.6C; mean minimum 2.2C; mean 5.4C.

Here in Whipsnade, largely thanks to our altitude (214m),
today (Weds) has been the sixth consecutive day with a
max between 2 and 3°C.

Philip

Jonathan Stott wrote:
AbMin AbMax Mean
19 Dec* -3.9C 2.9C

Temperature now (2135Z) -5.0C and still falling steadily at a rate of
0.7 degrees per hour. Coldest December night since I started recording
in 2004 (OK, not that much!).

--
Jonathan Stott
Canterbury Weather: http://www.canterburyweather.co.uk/
Reverse my e-mail address to reply by e-mail

"Jonathan Stott" wrote in message
...
Jonathan Stott wrote:
AbMin AbMax Mean
19 Dec* -3.9C 2.9C

Temperature now (2135Z) -5.0C and still falling steadily at a rate of 0.7
degrees per hour. Coldest December night since I started recording in 2004
(OK, not that much!).

--
Jonathan Stott
Canterbury Weather: http://www.canterburyweather.co.uk/
Reverse my e-mail address to reply by e-mail
---------------------------
-3.4C here at 10.30pm. Falling steadily - if it stays clear I'm sure it will
be the coldest night so far.

Dave, S.Essex

-4.7 minimum last night in Sturry - currently 2.1C at 10:31am.

Cheers,

-Ben


"Jonathan Stott" wrote in message
...
Jonathan Stott wrote:
AbMin AbMax Mean
19 Dec* -3.9C 2.9C

Temperature now (2135Z) -5.0C and still falling steadily at a rate of 0.7
degrees per hour. Coldest December night since I started recording in 2004
(OK, not that much!).

--
Jonathan Stott
Canterbury Weather: http://www.canterburyweather.co.uk/
Reverse my e-mail address to reply by e-mail