Friday 30 October 2015

Thursday 29 October 2015

Rain overnight.
Mostly cloudy and bright with some milky sunshine in the morning.
Sunny intervals in the afternoon.
Further light rain later in the evening.
Temps: Min: 10.9*;  Max: 14.7.
Rain: 6.1 mm.  Pres: 1009.7 mb.

*This was the minimum overnight temperature.  10.6 was recorded early Thursday evening.

Wednesday 28 October 2015

Quite cloudy but some sunny intervals and a few showers.
Temps: Min: 11.6;  Max: 14.8.
Rain: 0.5 mm.  Pres: 1003.0 mb.

Tuesday 27 October 2015

Rain overnight and in the morning.
Broken cloud and mostly dry in the afternoon.
Clear intervals in the evening.
Temps: Min: 12.0;  Max: 13.2*.
Rain: 12.2 mm**.  Pres: 1003.8 mb.

*This was the maximum daytime temperature.  14.5 was recorded overnight.
**Wettest 24 hour period [2200-2200] since 13 September.

Wednesday 28 October 2015

September 2015 Summary

In Brief:
Fine for the first ten days and in the final week.  Unsettled in between.  Cooler than usual by day and night.

Temperature [Minimum]:
On the night ending 26th the temperature fell to 7.6 degs C, which was the coldest September night since 6.8 in 2010.  The highest minimum of the month was 15.1 degs C on the night ending 11th. There has been a milder night than this every September since 2008.
The average minimum for September 2015 was 11.22 degs C, this being the lowest at this location since at least 2004.  Previously the lowest had been 11.59 in 2008.

Temperature [Maximum]:
The coolest day of September 2015 was the 14th with 15.6 degs C.  This was the lowest September max since 15.5 in 2012.  The warmest day of the month was the 10th with 20.6 degs C.  This is the lowest September max since at least 2004.  Previously the lowest had been 21.1 in 2011.
The average maximum for September 2015 was 18.07 degs C, this being the lowest at this location since at least 2004.  Previously the lowest had been 18.83 in 2011.
The temperature exceeded 20 degs C on two days in September 2015, which is the fewest in any September since at least 2004.  Previously this had been 4 days in 2011.
The last time the temperature exceeded 25 degs C in September at this location was in 2006.
It is probably now safe to say the temperature will not exceed 25 degs C at this location at all in 2015.  The last time this happened was in 2011.

Rain:
68.6 mm of rain fell during September 2015, which compares with 181.7 mm in August 2015, and 4.6 mm in September 2014.  As September 2014 was the driest month ever at this location [since at least 2008], it is probably useful to note that of the last eight Septembers, five have had totals between 63.8 and 72.3 mm, and therefore the amount of rainfall in September 2015 was quite normal, despite a massive increase on last year.  September 2015 was also the driest month since June 2015.
The wettest day of the month was the 13th with 20.8 mm, which was the wettest September day since 2012.
There were 16 completely dry days, and 19 with no measurable rain.
There was no measurable rain between the 3rd and 10th and from the 25th.
The wettest spell of the month was from 11th to 15th, when 52mm of the 68.6 total fell.


Cumulatively 858.0 mm of rain has fallen from January to September 2015.  This compares with 870.5 mm during the same period in 2014 [-1.44%].  It is somewhat interesting that 2015 has now almost 'caught up' with 2014, when the excpetionally wet start to 2014 is considered. 

Thunder:
There was no thunder heard at this location during the month, although personally I experienced some during a thunderstorm in North Kent on the 22nd!


Tuesday 27 October 2015

Winter Temperatures

As recent reports have shown, we have now enterred the time of year when it is not uncommon for the maximum temperature for a 24 hour period to occur during the night, and the minimum temperature to occur during the daytime.
As far as possible, daily reports will show the minimum overnight and maximum daytime temperatures, qualified by a note showing the extremes if they occurred during the opposite period.

For the purpose of monthly reports, summaries etc, the extreme minimum and maximum for the 24 hour period concerned will apply, regardless of the time they were reached.

Exceptions to this are:
(i) when the temperature is higher at the beginning of the new 24 hr period [2200] than the maximum reached the next day, or  (ii) when the temperature is lower at the end of the current 24 hr period [2200] than the minimum reached the previous night, and in both cases when there is both a clear night-time minimum and a clear daytime maximum and the maximum is higher than the minimum.  In these cases the daytime maximum and previous night's minimum are reported.

Exceptions example: Temp at 2200 Monday: 14.0;  Min o/night Mon/Tue: 7.0;  Max daytime Tuesday: 10.0; Temp at 2200 Tuesday: 5.0.  In this case, the Tuesday min would be reported as 7.0, and max would be reported as 10.0.    The actual 24-hour max of 14.0 would have been included in Monday's figures, and the actual 24-hour min of 5.0 would be included in Wednesday's.

Summary For Week Ending 2200, 24 October 2015

Temperature [degs C]:
Lowest minimum: 8.8 [Tuesday am]
Highest minimum: 12.7 [Thursday am]
Average: 10.61.

Lowest maximum: 13.5 [Saturday]
Highest maximum: 15.6 [Monday]
Average: 14.9.

Rain: 
Total: 8.8 mm.
Wettest day: Saturday 5.9 mm.

Pressure:
Lowest: 1009.6 mb. [Saturday am]
Highest: 1030.5 mb. [Tuesday am].

Sunny: Sunday pm.
Sunny intervals: Tuesday pm,  Saturday pm.

Monday 26 October 2015

Cloudy/overcast.
Showers in the morning, lengthier and more persistent in the afternoon.
Temps: Min: 11.6;  Max: 14.3*.
Rain: 6.5 mm.  Pres: 1003.3 mb.

*This temperature was recorded during the evening.

Sunday 25 October 2015

Sunny intervals.
Rather cloudy at times in the afternoon.
Temps: Min: 4.6*;  Max: 14.0.
Rain: Nil.  Pres: 1014.8 mb.

*Lowest since 28 April.

Saturday 24 October 2015

AM: Cloudy. Rain until mid-morning.
PM: Sunny intervals.
Temps: Min: 12.7*;  Max: 13.5**.
Rain: 5.9 mm.  Pres: 1023.3 mb.

*This was the minimum overnight temperature. 11.9 was recorded during the daytime.
**Lowest since 2 May.

Friday 23 October 2015

Mostly cloudy.  A few brief sunny intervals in the morning.
Drizzle in the evening.
Temps: Min: 9.8*;  Max: 15.1.
Rain: 0.2;  Max: 1014.1 mb.

*This temperature was recorded earlier on Thursday evening.

Friday 23 October 2015

Thursday 22 October 2015

Mostly dry and mainly cloudy.
Some clear sky during the evening.
Temps: Min: 12.7*;  Max: 14.2**.
Rain: Trace.  Pres: 1023.4 mb.

*This temperature was recorded during the morning.
**Lowest since 8 May.

Wednesday 21 October 2015

Rain overnight, followed by a mostly dry day.
Mainly cloudy in the morning, overcast in the afternoon.
Temps: Min: 10.1;  Max: 15.3.
Rain: 2.7 mm*.  Pres: 1018.0 mb.

*First measurable rain since 6th October.

Wednesday 21 October 2015

Summary For Week Ending 2200, 17 October 2015


Temperature [degs C]:
Lowest minimum: 5.4 [Thursday am]
Highest minimum: 13.4 [Sunday am]
Average: 8.0.

Lowest maximum: 14.5 [Tuesday]
Highest maximum: 16.1 [Monday]
Average: 15.2.

Rain: 
Total: Nil.

Pressure:
Lowest: 1013.1 mb. [Sunday early am]
Highest: 1026.9 mb. [Wednesday early am].

Sunny: Monday, Tuesday am, Wednesday am, Thursday am.
Sunny intervals: Tuesday pm, Wednesday pm, Thursday pm.

Tuesday 20 October 2015

Mostly cloudy in the morning.
Bright with intervals of hazy sunshine in the afternoon.
Temps: Min: 8.8;  Max: 15.1.
Rain: Nil.  Pres: 1026.8 mb.

Monday 19 October 2015

Cloudy.  Sunny in the evening.
Temps: Min: 10.7;  Max: 15.6.
Rain: Nil.  Pres: 1027.4 mb.

Sunday 18 October 2015

Cloudy until late morning and again in the evening.
Sunny in between.
Temps: Min: 10.3;  Max: 15.5.
Rain: Nil.  Pres: 1021.5 mb.

Saturday 17 October 2015

Mostly cloudy.   Bright intervals.
Temps: Min: 9.9;  Max: 15.0.
Rain: Nil.  Pres: 1019.9 mb.

Friday 16 October 2015

Friday 16 October 2015

Mostly cloudy.  Some sunny intervals.
Temps: Min: 7.2;  Max: 15.8.
Rain: Nil.  Pres: 1023.1 mb.

Thursday 15 October 2015

Sunny in the morning.
Sunny intervals in the afternoon.
Temps: Min: 5.4;  Max: 15.1.
Rain: Nil.  Pres: 1023.4 mb.

Wednesday 14 October 2015

Sunny in the morning.
Sunny intervals in the afternoon.
Temps: Min: 6.9;  Max: 14.8.
Rain: Nil.  Pres: 1023.5 mb.

Wednesday 14 October 2015

Summary For Week Ending 2200, 10 October 2015

Temperature [degs C]:
Lowest minimum: 7.5 [Friday am]
Highest minimum: 13.7 [Tuesday am]
Average: 10.71.

Lowest maximum: 15.1 [Sunday]
Highest maximum: 18.1 [Thursday]
Average: 16.5.

Rain: 
Total: 15.6 mm.
Wettest day: Tuesday: 8.5 mm.

Pressure:
Lowest: 986.8 mb. [Tuesday am]
Highest: 1022.3 mb. [Thursday late evening].

Sunny: Thursday.
Sunny intervals: Wednesday am, Friday am.

Tuesday 13 October 2015

Sunny in the morning.
Sunny intervals in the afternoon.
Temps: Min: 5.8*;  Max: 14.5**.
Rain: Nil.  Pres: 1026.0 mb.

*Lowest since June 7th.
 **Lowest since May 8th.

Monday 12 October 2015

Sunny.  Cloudier in the evening.
Temps: Min: 7.4;  Max: 16.1.
Rain: Nil.  Pres: 1022.8 mb.

Monday 12 October 2015

Sunday 11 October 2015

Cloudy.  Some glimpses of weak sun.
Temps: Min: 13.4;  Max: 15.1.
Rain: Nil.  Pres: 1016.8 mb.

Saturday 10 October 2015

Mostly cloudy. 
Temps: Min: 13.4;  Max: 16.5.
Rain: Nil.  Pres: 1013.6 mb.

Friday 9 October 2015

Sunny intervals in the morning. 
Hazy sunshine at first in the afternoon, then cloudy.
Temps: Min: 7.5;  Max: 16.4.
Rain: Nil.  Pres: 1019.1 mb.

Friday 9 October 2015

Thursday 8 October 2015

Mostly sunny.
Temps: Min: 8.1;  Max: 18.1.
Rain: Nil.  Pres: 1022.3 mb.

Wednesday 7 October 2015

Sunny intervals in the morning.
Mostly cloudy in the afternoon, with a brief shower.
Temps: Min: 11.3;  Max: 16.0.
Rain: Trace.  Pres: 1017.7 mb.

Wednesday 7 October 2015

Summary For Week Ending 2200, 3 October 2015

Temperature [degs C]:
Lowest minimum: 7.3 [Saturday am]
Highest minimum: 14.1 [Tuesday am]
Average: 10.61.

Lowest maximum: 17.5 [Wednesday]
Highest maximum: 19.4 [Saturday]
Average: 18.41.

Rain: 
Total: Nil!

Pressure:
Lowest: 1013.6 mb. [Saturday (3rd) evening].
Highest: 1034.1 mb. [Monday am].

Sunny: Every day!

Tuesday 6 October 2015

Rain/showers overnight, followed by a mostly cloudy day with some sunny intervals and a few showers.
Temps: Min: 13.7;  Max: 16.7.
Rain: 8.5 mm;  Pres: 1003.0 mb.

Monday 5 October 2015

Rain/showers overnight, followed by an overcast, gloomy, misty day with a few showers.
Temps: Min: 13.2*;  Max: 16.7.
Rain: 5.1 mm;  Max: 993.9 mb.

*This temperature was recorded during Sunday evening.

Sunday 4 October 2015

Sunny intervals at first, then cloudy.
Rain in the evening.
Temps: Min: 7.8;  Max: 15.1.
Rain: 2.0 mm.  Pres: 997.4 mb.

Saturday 3 October 2015

Mostly sunny.
Temps: Min: 7.3;  Max: 19.4.
Rain: Nil.  Pres: 1013.6 mb.

Friday 2 October 2015

Friday 2 October 2015

Sunny.
Temps: Min: 9.1;  Max: 17.6.
Rain: Nil.  Pres: 1019.6 mb.

Thursday 1 October 2015

Sunny.
Temps: Min: 10.6;  Max: 18.1.
Rain: Nil.  Pres: 1028.8 mb.

Wednesday 30 September 2015

Some cloud at first, then sunny.  Breezy.
Temps: Min: 10.6;  Max: 17.5.
Rain: Nil.  Pres: 1030.0 mb.

Maximum Temperatures

A situation has come to light that has resulted in incorrect maximum temperatures being shown for September 24th to 29th.  Reports now show the correct values, along with the summary for September 20th to 26th.  Apologies for any confusion and inconvenience caused.  The problem has now been solved.