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MAY 2017 daily and monthly summary

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MAY 2017
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May 2017 monthly summary stats
May 2017 extra summary stats

   DAILY STATS MAY 2017
 
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
7.2 14.3 10.5 87 8.4 1.6 1005.6 R 3.6 1.2 20 ESE  Rain showers
2nd
4.1 17.6 14.6 58 6.4 5.2 1019.7 RS 0.2 0.6 9 N  Rain night pm
3rd
6.8 10.6 8.8 93 7.8 0.1 1021.2 ST 0.6 1.7 11 N  Rain pm
4th
9.1 12.4 11.4 80 8.1 0.2 1021.6 ST 0.2 1.5 10 N  Drizzle am
5th
8.9 13.4 12.9 64 6.3 0.5 1019.3 F 0.0 2.2 12 NE  Cloudy
6th
7.9 16.1 15.4 67 9.3 2.5 1011.7 ST 0.0 1.6 13 NE  Cloudy
7th
6.1 16.1 12.7 70 7.4 2.0 1021.7 ST 0.0 1.0 8 N  Cloudy
8th
7.1 12.3 10.8 73 6.1 1.2 1026.6 ST 0.0 2.0 12 N  Cloudy
9th
3.8 13.6 12.7 58 4.6 0.7 1020.7 F 0.0 0.7 8 N  Cloudy
10th
0.8 18.1 17.2 50 6.7 13.5 1006.4 F 0.0 0.9 8 ESE  Sunny
11th
6.2 23.1 21.1 51 10.6 2.9 994.8 FS 1.0 1.0 10 ESE  Rain night pm
12th
12.2 17.5 16.1 81 12.8 2.2 998.3 RS 1.4 1.9 15 SW  Rain night am
13th
10.7 17.9 17.4 58 9.1 6.5 1010.0 RS 0.0 2.6 17 SSW  Sunny spells
14th
10.2 19.4 18.2 58 9.8 10.7 1020.7 RS 2.2 2.8 17 SSW  Rain am
15th
6.8 19.4 17.1 74 12.4 0.1 1025.5 FS 0.2 1.9 13 SW  Drizzle am
16th
15.0 23.8 23.7 58 15.0 4.9 1023.9 ST 0.0 2.7 17 SSW  Sunny spells
17th
14.7 20.9 20.5 79 16.7 0.3 1013.5 F 26.0 0.7 8 NW  Rain night am & pm
18th
9.7 16.4 13.0 86 10.7 2.0 1012.0 FS 16.6 0.9 8 SSW  Rain pm
19th
8.7 15.1 13.1 74 8.5 2.7 1012.8 ST 1.4 1.8 11 SSW  Rain night am
20th
4.5 16.7 16.1 60 8.3 8.5 1019.7 RS 0.0 2.7 17 SSW  Sunny spells
21st
6.8 21.3 19.8 49 8.8 11.0 1023.6 F 0.0 1.1 10 ESE  Sunny spells
22nd
8.6 25.2 24.1 41 10.0 9.4 1015.3 FS 0.0 1.3 12 SW  Sunny spells
23rd
10.9 21.2 20.1 69 14.2 2.7 1022.1 ST 0.0 1.7 10 SSW  Cloudy
24th
12.3 26.3 25.1 47 13.0 10.7 1025.2 FS 0.0 0.8 7 SSW  Sunny spells
25th
11.7 25.5 25.0 54 15.0 13.7 1023.0 FS 0.0 0.9 9 ESE  Sunny
26th
11.9 26.7 26.1 42 12.1 14.6 1016.7 F 0.0 1.2 11 ESE  Sunny
27th
12.3 22.2 20.7 69 14.8 8.0 1015.8 R 1.6 1.9 19 SSW  Thunder am
28th
11.0 24.7 23.9 52 13.4 5.2 1017.4 FS 0.0 0.6 6 ESE  Sunny spells
29th
12.0 24.1 21.9 73 16.9 3.4 1011.6 ST 7.2 1.3 10 SW  T-storm night am
30th
14.2 20.1 20.0 62 12.5 2.0 1016.0 RS 0.0 2.7 16 SSW  Cloudy
31st
11.9 23.1 20.1 69 14.2 5.0 1022.4 FS 0.0 1.2 8 SSW  Sunny spells
                         
‡ SUN: Sushine hours are calculated approximately from solar radiation and sky brightness readings, but note that the solar sensor's exposure to sunshine during this month is limited to early afternoon. The sensors receive less than 30% of total possible sunshine exposure this month. Visual observations are made for the remainder of the daylight hours.
† Barometer trend (previous 3 hours) : F = falling, ST = steady, R = rising; Q = quickly, S = slowly

1st
LP 1003 hPa South Central England. Showery rain in the early part of the night and in mid-morning. Drier and brighter from late morning with sunny intervals and a rain shower in the middle of the afternoon.
2nd
LP 1012 hPa Germany. A fine morning with sunny spells and patchy high cloud. Becoming cloudy in early afternoon, overcast and dull at times later. A short spell of light rain in the early part of the night.
3rd
A dull, cool and damp day with low overcast interrupted only by very brief brightness at noon. A spell of light rain in mid-afternoon during which time the temperature drops.
4th
HP 1042 hPa NE of Faroe Islands. A spell of drizzle clearing by mid-morning but remaining mostly dull with low overcast and just a couple of very brief brighter moments in mid-afternoon. Very dull again by late afternoon.
5th
HP 1040 hPa Iceland, LP 999 hPa SW of Ireland. The feed of persistent low cloud from the east continues although morning and early afternoon are a little brighter. Becoming overcast and very dull from mid-afternoon onwards again.
6th
LP 1007 hPa NW France. Broken cloud first thing but becoming more cloudy then overcast and rather dull at times through much of the morning. A brighter afternoon as the cloud breaks to give spells of hazy sunshine in early and mid-afternoon before becoming overcast again in late afternoon.
7th
LP 1013 hPa Denmark. Overcast and cool in the morning and middle of the day with low cloud pushing down from the north. Starting to brighten in mid-afternoon with some sunny spells, especially towards evening, and feeling much milder.
8th
HP 1041 hPa Iceland. Another mainly overcast day as a band of cloud very slowly moves westward from the North Sea. Cloud starts to break and clear a little in early evening to allow some late sunny intervals.
9th
After a mainly clear night, cloud rolls in once more from the North Sea by mid-morning. Remaining largely overcast again until mid-afternoon when the cloud breaks a little to permits a very few short sunny intervals.
10th
A clear and sunny start, some high cloud and patches of cumulus develop in mid-morning but largely clear away to give a long sunny period to sunset.
11th
LP 991 hPa Isles of Scilly. Rather cloudy through much of the morning but brightening by 10.00 to give some short sunny spells through to early afternoon. More cloudy from mid-afternoon but feeling quite warm. A short spell of rain moving across from the SE in the early night.
12th
LP 993 hPa SE Ireland. A short spell of light rain/drizzle in the early hours. An overcast and very dull morning with some drizzle, a little brighter in the afternoon with a few sunny intervals and a rain shower.
13th
Overcast start and very dull at times with a few spots of drizzle. Brightening in late morning to give some long sunny spells.
14th
HP 1025 hPa Biscay, LP 983 hPa S of Iceland. A spell of showery rain in the early part of the morning, cloud clearing and brightening by mid-morning to give some sunny spells. Less cloud in the afternoon allowing a long sunny period from mid-afternoon onwards.
15th
HP 1030 hPa Belgium, LP 986 hPa S of Iceland. An overcast and dull morning with some drizzle which clears slowly from the west. Remaining overcast for the rest of the day apart from a very brief moment of brightness in early evening.
16th
LP 998 hPa Faroe Islands. A fairly cloudy day with the best sunny spells in the middle of the day. A steady breeze in the morning easing in the afternoon, and becoming rather cloudy by mid-afternoon.
17th
LP 997 hPa S of Iceland. A period of rain from the SSW, heavy at times, as two very slow moving fronts are parked across England in the early hours. Overcast and muggy but dry through most of the day, dull at times and just short-lived brightness. Another period of rain again heavy at times, this time moving in from the west starts in late afternoon as the fronts slowly edge eastwards.
18th
LP 1011 hPa C France. Bright morning with some short sunny spells. Clouding over towards noon then overcast and dull with continuous rainfall from 13.00 into the night as a kink from the fronts of the previous day pushes rain northwards from France.
19th
LP 1003 hPa North Sea. Light rain and drizzle continue overnight, petering out in the early hours. A very cloudy morning, dull during the middle of the day with a rain shower. Brightening up in the afternoon with some short sunny spells.
20th
LP 1006 hPa NE Scotland. A bright and breezy day with some long sunny spells but also cloudy at times with a very brief rain shower just after midday with thunder in the vicinity.
21st
HP 1027 hPa Denmark. Bright morning with some sunny spells but rather cloudier during the middle of the day. Sky clearing during early afternoon to give some long sunny spells.
22nd
HP 1022 hPa Denmark. Rather cloudy although fairly bright to start with cloud starting to clear towards late morning. A mainly sunny afternoon with just a few patches of cloud in mid-afternoon.
23rd
HP 1027 hPa Biscay. Some sunny spells early on but soon clouding over from the west by mid-morning. Occasional sunny intervals but few breaks in the cloud until late in the afternoon when it clears a little to allow a sunny spell.
24th
HP 1028 hPa Wales. A day with some long sunny spells only interrupted briefly by patches of cloud in the middle part of the day.
25th
HP 1026 hPa North Sea. A mainly sunny day from dawn to dusk with just a few small patches of cloud now and again.
26th
HP 1025 hPa W of Denmark. A sunny day from dawn to dusk and virtually cloudless.
27th
LP 1007 hPa Anglesey. After a bright start, a trough moving across from the west briefly brings a band of heavy rain in mid-morning, with thunder and a little hail. Clearing later to give some long sunny spells but rather breezy. Cloudier in late afternoon.
28th
A rather cloudy and misty start but the sun starts to break through in mid-morning. High cloud persists for much of the day keeping some spells of sunshine rather weak. Very dull for a time in mid-afternoon as heavy showers pass nearby to the west followed by another sunny spell.
29th
Thunderstorm in the early hours, moving NNE from NW France. A mostly cloudy day with some sunny spells.
30th
HP 1021 hPa Biscay. A very cloudy day with a couplel of sunny intervals in the morning and early afternoon. The sky largelyclears in the evening to give a late sunny spell.
31st
HP 1024 hPa Strait of Dover. Another cloudy day and dull for a time in the middle of the day but also plenty of sunny spells.