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OCTOBER 2015 daily and monthly summary

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OCTOBER 2015
November

October 2015 monthly summary stats
* Compared to site averages 1985 - 2014.
‡ SUN:
Bright sunshine hour totals are estimated from a combination of solar radiation measurement/sky brightness, and observation; corroborated to some extent by the nearest UKMO stations.
THW = Shaded Heat Index calculated with cooling/warming effect of wind and humidity to give an apparent temperature.

   DAILY STATS OCTOBER 2015
 
TEMPERATURE ºc
HUMIDITY
SUN ‡
PRESSURE
RAINFALL
WIND SPEED
DIRECTION
 WEATHER
 NOTES
DATE
Low
(21-09h)
High
(09-21h)
Temp at 14.00z
RH %
at 14.00z
Dewpoint ºc
at 14.00z
Bright
sun hrs
hPa   †
at 14.00z
Day Total
(mm)
Average
(mph)
Max Gust
(mph)
Dominant
(Compass)
 Precipitation
 type etc ‡
                       
1st
8.6 17.0 16.6 62 9.0 9.6 1029.9 F 0.0 1.4 12 SE  Sunny periods
2nd
5.8 18.6 18.5 53 8.7 10.5 1022.6 F 0.0 0.6 8 N  Sunny
3rd
4.7 16.2 14.9 81 11.7 1.9 1013.5 FS 0.0 0.4 6 SSW  Fog
4th
5.1 17.4 16.7 68 10.7 5.7 1013.9 FS 0.0 0.4 7 ESE  Sunny spells
5th
10.1 17.0 16.8 92 15.5 0.0 1004.6 F 5.2 1.3 11 SE  Rain
6th
14.9 19.0 18.6 76 14.2 1.2 996.0 FS 6.6 1.6 13 SW  Rain am & eve
7th
13.7 14.4 12.9 94 12.0 0.0 1011.1 R 0.2 2.6 12 SW  Drizzle
8th
6.4 16.8 14.7 64 8.0 6.5 1021.9 ST 0.0 0.9 9 SW  Sunny spells
9th
3.5 16.7 16.6 61 9.0 9.2 1022.2 FS 0.0 0.3 5 SW  Sunny periods
10th
8.0 15.8 15.7 78 11.8 0.2 1018.5 FS 0.0 0.7 7 SE  Cloudy
11th
7.9 14.8 14.5 59 6.6 7.5 1016.2 FS 0.0 1.1 12 N  Sunny periods
12th
6.9 12.9 12.2 71 7.1 1.2 1018.9 FS 0.0 0.8 9 N  Cloudy
13th
6.7 12.2 12.2 59 4.4 3.5 1022.8 RS 0.0 2.0 12 N  Sunny am
14th
5.9 12.9 12.8 74 8.3 3.5 1020.9 FS 0.6 2.2 12 N  Rain showers pm
15th
7.6 11.5 11.0 76 6.9 0.1 1020.9 FS 1.4 1.4 9 N  Rain
16th
8.8 11.5 11.1 94 10.1 0.0 1020.6 ST 0.4 2.4 13 N  Drizzle
17th
9.8 12.6 11.9 80 8.5 0.0 1019.0 FS 0.0 1.9 10 N  Cloudy
18th
9.7 15.4 14.7 72 9.7 1.9 1020.3 FS 0.0 0.6 7 N  Cloudy
19th
9.8 14.4 14.0 77 10.0 0.0 1024.3 ST 0.0 0.9 7 N  Cloudy
20th
6.6 15.3 15.1 63 8.1 6.3 1026.3 FS 0.0 0.8 8 N  Sunny spells
21st
6.6 13.4 12.4 96 11.8 0.0 1016.0 F 6.4 1.7 15 SW  Rain
22nd
11.4 13.8 13.3 67 7.3 0.2 1018.1 R 0.0 1.7 13 SW  Cloudy
23rd
9.1 13.8 13.7 69 8.1 0.0 1020.5 FS 0.0 0.3 5 SW  Cloudy
24th
10.9 14.3 13.1 86 10.8 0.1 1013.2 ST 3.2 1.0 11 ESE  Rain pm
25th
3.5 12.1 12.1 74 7.6 4.0 1025.7 F 0.2 0.4 5 SW  Sunny spells
26th
3.8 13.7 12.8 88 10.9 1.2 1013.5 FS 0.0 0.7 10 SE  Cloudy
27th
9.2 18.7 18.5 69 12.7 2.5 1008.7 FS 0.0 0.5 9 SSE  Cloudy
28th
11.2 16.1 15.5 76 11.3 2.7 1007.1 ST 14.4 1.0 9 SW  Rain am
29th
6.9 14.1 13.9 93 12.8 0.2 1013.4 ST 2.4 1.5 11 SE  Drizzle pm
30th
12.4 15.4 15.1 81 11.9 0.2 1019.6 ST 1.8 1.1 15 SE  Drizzle am
31st
9.6 16.1 15.8 78 12.0 5.3 1022.0 ST 0.0 0.3 5 ESE  Sunny pm
                         
‡ SUN: Sunshine hours are calculated approximately and solely from solar radiation readings, but note that the solar sensor's exposure to sunshine is rather limited. The sensor receives less than 60% of total possible sunshine exposure this month, and there is no allowance for sunshine by visual observation only, so the figures above can be very significantly less than the actual daily sunshine duration.
† Barometer trend (previous 3 hours) : F = falling, ST = steady, R = rising; Q = quickly, S = slowly
Weather Notes use METAR codes: OVC = overcast; SHRA = rain showers; '+' = heavy; CAVOK = no cloud below 5000 ft & visibility> 10 km & no fog, precipitation or snow; SN = snow; RASN = Rain and snow

1st
HP 1036 hPa North Sea. A sunny morning with large patches of cloud starting to appear in the middle of the day. Sunny spells in the afternoon with the cloud clearing in late afternoon.
2nd
A sunny day with just a few clouds, hazy at times.
3rd
Misty to start developing into thick fog by 09.00 with visibility below 100m. Fog is very slow to clear, only lifting around 14.00. Some spells of hazy sunshine, and becoming very hazy by late afternoon.
4th
LP 989 hPa S of Ireland and W of Brittany. A hazy start with sunny spells developing. Patches of cloud drift across from the SW from mid-morning and it remains hazy all day before becoming cloudy in late afternoon.
5th
LP 991 hPa Northern Ireland, 987 hPa SW of Ireland, HP 1028 hPa North Norway. An overcast and dull day with intermittent drizzle through the morning and afternoon. Persistent rain moving in from the west in the evening lasting into the night.
6th
LP 991 hPa South Devon. A spell of rain in mid-morning clearing by 10.30; followed by a dry, brighter, warm and humid period. A further band of showery rain, which is heavy at times, crosses in the early evening.
7th
LP 1004 hPa North Sea. A dull and dismal day with intermittent light drizzle morning and afternoon.
8th
HP 1023 hPa Channel Islands. Early cloud clears to give long sunny spells, Cloudy for a time in mid-afternoon and at the end of the day.
9th
HP 1026 hPa North Sea. A cool but clear start to the day with a long sunny period lasting to 13.00. Rather cloudy for a spell before clearing again for another long sunny period to the end of the day.
10th
Hazy with some weak sunshine briefly in the morning, becoming more cloudy from the east as the day goes on and a little dull at times.
11th
Sunny periods in the morning and afternoon, hazy at times with thin high cloud. Cloudier for spells in late morning and early afternoon.
12th
HP 1029 hPa W of Ireland. Cloudy but reasonably bright at times in the morning. Becoming more dull from midday but the cloud breaks in late afternoon to give a fairly long sunny spell.
13th
Mainly clear and sunny until late-morning when cloud moves in from the NE. Becoming overcast and dull at times in the afternoon.
14th
HP 1031 hPa S Norway. Sunny and clear until mid-morning when cloud quickly moves in from the NE again. Some sunny intervals in the afternoon but also three light rain showers in mid-afternoon.
15th
HP 1034 hPa S Norway, LP 1002 hPa Adriatic. A spell of rain just before sunrise, an overcast and gloomy morning. Some very short-lived brightness in the afternoon but soon becoming overcast again with a some drizzle in early evening.
16th
HP 1030 hPa off NE Scotland, LP 1013 hPa Northern Italy. A very dismal day, overcast and gloomy with intermittent light drizzle.
17th
Cloudy, although the cloudsheet is broken at times in the morning. Becoming overcast in the afternoon and dull at times.
18th
A cloudy morning but somewhat brighter than the previous days. Cloud breaks after midday to give some short sunny spells, but overcast again by evening.
19th
HP 1033 hP N of Azores and 1026 hPa NW Russia. A cloudy day, with some small breaks in the cloud from time to time but more overcast and rather dull in the afternoon.
20th
HP 1034 hP N of Azores and 1030 hPa Moscow region. A clear and sunny start but cloud feeds in from the NW during the middle part of the morning. Clearing again in early afternoon to give some sunny spells.
21st
LP 971 hPa SSW of Iceland, LP 977 hPa between Iceland and Norway. Some light rain and drizzle in the night followed by a dry slot with further and slightly heavier rain in the morning. Rainfall easing and finally clearing in mid-afternoon but remaining overcast and very dull.
22nd
LP 979 hPa W of Norway. Broken cloud to start with a glimpse of sunshine but becoming overcast and dull for several hours after mid-morning. Cloud breaks a little in the afternoon to become a touch brighter for a while.
23rd
An overcast day with no breaks in the cloudsheet and rather dull from mid-afternoon.
24th
Yet another overcast day for the most part with light rain briefly in the afternoon. A break in the clouds in late afternoon gives a brief glimpse of weak sunshine. A short spell of very heavy rain in the evening as a cold front passes..
25th
HP 1028 hPa Straits of Dover. A bright day but always with extensive high cloud, sunny spells although weak or hazy for most of the time with the cloud thickening now and again.
26th
Morning mist thickening to fog with visibility down to 150m for a time, clearing just after 09.00. Bright for most of the day but also a good deal of cloud persists allowing just a few sunny intervals through the day.
27th
Rather misty first thing and not clearing properly until the later part of the morning to give some short spells of hazy sunshine. Becoming rather warm from the middle of the day with a longer spell of bright sunshine in early afternoon.
28th
LP 965 hPa SSW of Iceland, W of Ireland. A spell of light rain shortly after midnight followed by a dry period. A period of heavy rain with some very heavy bursts from 04.30 to 08.30. Skies slowly clearing through the morning to give some sunny intervals with longer sunny spells in the afternoon.
29th
LP 955 hPa SW of Iceland. A little brightness in mid-morning but becoming overcast and rather dull in late morning. Drizzle from the middle of the day onwards.
30th
LP 994 hPa W of Biscay. Overcast and dull first thing as a slow moving band of drizzle moves across from the WSW, clearing around 10.30. Remaining cloudy or overcast for the rest of the day except for one brief bright slot in the middle of the day.
31st
An overcast and murky start to the day but cloud start to life and break up in mid-morning. Spells of hazy sunshine become brighter and longer as the sky clears of patchy high cloud from the middle of the day.