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MARCH 2015 daily and monthly summary

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MARCH 2015
April

March 2015 monthly summary stats
* Compared to site averages 1985 - 2013.
‡ 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 MARCH 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
7.3 11.4 11.2 55 2.5 6.7 1001.9 FS 2.4 5.2 27 SW  Rain eve.
2nd
3.1 9.0 8.5 45 -2.8 6.3 1010.3 R 0.0 4.4 26 SW  Sunny spells
3rd
0.9 9.9 8.4 56 0.2 2.8 1015.8 RS 1.6 2.9 16 SW  Rain am
4th
2.3 10.3 9.4 52 0.1 6.3 1030.7 RS 0.0 2.5 14 NW  Sunny spells
5th
-0.4 12.5 11.2 56 2.8 6.2 1038.3 FS 0.0 1.3 12 SSW  Sunny spells
6th
3.8 11.3 10.9 66 4.8 7.5 1033.4 F 0.0 2.1 15 SW  Sunny spells
7th
5.4 14.4 14.3 52 4.3 8.9 1025.1 F 0.0 3.2 18 SW  Sunny
8th
3.4 14.3 14.3 67 8.2 6.1 1022.5 ST 0.0 2.2 13 SW  Sunny am
9th
2.1 9.9 9.3 86 7.1 1.4 1024.5 FS 0.0 2.1 15 SW  Cloudy
10th
5.6 13.3 12.5 47 1.5 7.1 1030.8 FS 0.0 0.9 8 SE  Sunny periods
11th
1.2 12.9 12.3 61 5.0 5.3 1027.7 FS 0.0 1.0 12 ESE  Sunny am
12th
2.7 12.9 11.9 37 -2.3 6.5 1024.7 F 0.0 1.1 13 ESE  Sunny spells
13th
4.4 11.8 11.1 45 -0.4 3.0 1022.3 ST 0.0 1.6 12 SE  Fair
14th
2.7 8.1 6.7 72 2.0 2.5 1029.3 ST 0.0 2.3 13 N  Cloudy
15th
4.4 6.4 5.6 89 3.9 0.0 1026.4 FS 1.4 1.2 10 ENE  Rain night am
16th
4.4 8.6 7.3 76 3.4 0.5 1022.3 FS 0.4 0.6 8 SE  Cloudy
17th
5.2 12.8 12.3 73 7.6 2.6 1024.4 ST 6.8 0.6 7 ESE  Rain am
18th
3.1 10.6 9.6 71 4.6 2.4 1032.0 ST 0.0 1.4 11 N  Cloudy
19th
5.8 7.5 7.3 83 4.6 0.0 1031.5 F 0.0 2.0 11 N  Overcast
20th
4.1 9.4 6.9 83 4.3 3.0 1026.2 F 0.0 1.0 8 N  Cloudy
21st
2.6 8.6 7.8 67 2.0 0.7 1025.2 ST 0.0 2.2 17 N  Cloudy
22nd
3.2 7.5 6.9 72 2.2 0.2 1024.9 F 0.0 1.6 9 NNE  Cloudy
23rd
-0.7 11.9 11.0 51 1.2 5.5 1014.8 F 0.0 1.7 11 SW  Sunny spells
24th
4.6 10.1 9.3 61 2.2 1.5 1008.6 FS 3.8 0.9 8 N  Rain am, hail pm
25th
1.2 10.7 7.8 68 2.2 4.2 1012.0 ST 0.0 1.1 9 SW  Sunny spells
26th
2.2 12.8 9.1 84 6.5 2.2 1003.8 R 4.4 2.8 17 SW  Rain am
27th
3.5 13.3 12.8 44 0.9 7.7 1020.6 ST 0.0 2.2 11 SW  Sunny spells
28th
6.4 13.0 11.0 88 9.1 0.2 1010.7 F 0.0 4.2 22 SW  Cloudy
29th
9.1 13.7 11.7 90 10.1 1.1 994.9 F 3.2 5.9 31 SW  Rain
30th
5.9 11.6 10.8 45 -0.7 3.2 1011.7 FS 0.2 4.3 24 SW  Rain eve
31st
8.6 13.8 12.9 38 -1.1 5.6 1011.6 R 2.2 6.6 28 NW  Rain night am
                         
‡ 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
LP 963 hPa NE of Shetland. A bright day with some long sunny spells, but breezy. Clouding over in late afternoon, followed by a squall line with heavy rain in early evening.
2nd
Long sunny spells throughout the day but with a strong, cool breeze.
3rd
A spell of rain just before sunrise from passage of trough. Cloudy but bright day with sunny intervals in the morning and sunny spells in the afternoon.
4th
Clear and sunny start with cloud developing by lated morning to give a rather cloudy spell. Sky clears again in early afternoon to give some long sunny spells..
5th
HP 1042 hPa Brittany. A bright day with some long sunny spells despite extensive high cloud in the morning and more general cloud in the afternoon.
6th
A cloudy but fine start, sunny spells in the morning despite plenty of clouds and clearing later to give a longer sunny period in the afternoon.
7th
Early cloud clears just before 09.00 to give a sunny day although some thin high cloud remained through the morning.
8th
Cloud clears by 08.00 to give a long sunny period into the middle of the day. A cloudy spell in mid-afternoon but breaking up later in the afternoon.
9th
Sunny start but becoming cloudy by 09.00 and overcast soon afterwards. Rather dull in the afternoon.
10th
HP 1033 hPa Bristol Channel. A fine day with long sunny periods, some patches of high cloud in the middle part of the day.
11th
A sunny morning but hazy at times with extensive high cloud thickening now and again. Becoming more cloudy in the afternoon with just a few sunny intervals before clouding over completely in mid-afternoon.
12th
Another bright day with some long albeit hazy sunny spells but once again becoming cloudy from mid-afternoon.
13th
Bright day but extensive high cloud thins and thickens all day to give just a few sunny spells.
14th
HP 1045 hPa Eastern Sweden, HP 1033 hPa W of Biscay. A rather cloudy morning with a few short sunny intervals, becoming dull for a while but brightening in the afternoon to give a spell of hazy sunshine.
15th
Spell of light rain in the early hours. A little early brightness before 08.00 but clouding over to give a very dull and overcast day with some light drizzle in the afternoon. Short spell of light rain in the evening coming in from the east.
16th
Light rain in the early hours. A cloudy day with spells of very dull overcast. Just a little short lived brightness in the latter part of the morning.
17th
HP 1050 hPa Estonia, LP 1007 hPa W of Portugal. A spell of moderate rain in the early hours, followed by light drizzle then a further spell of moderate rain in mid morning. Clearing slowly from the south to some spells of hazy sunshine which are longer in the afternoon. A strong haze lasts all day.
18th
Cloudy and rather dull start, becoming brighter after mid-morning as low cloud slowly breaks. Some spells of sunshine with a strong haze once again.
19th
An extremely dull day with extensive low cloud spread over most of eastern and central England.
20th
Low cloud in the morning completely obscures the partial solar eclipse. Very slowly becoming brighter with the cloudsheet finally clearing in mid-afternoon to give a sunny end to the day albeit very hazy.
21st
Cloud moves down from the north allowing just a few short sunny intervals before 1pm. The afternoon is rather dull.
22nd
Stubborn cloud moves in from the east this time and remains over the far SE all day with just a little brightness in the morning.
23rd
Cloud cover breaks just after 09.00 to give some long sunny spells before becoming more cloudy in mid-afternoon.
24th
Spells of rain in the early night and another after 06.00 followed by some drizzle as cold front moves SE. Fairly bright day with some sunny intervals and a couple of showers in the afternoon, the first with hail.
25th
HP 1026 hPa Sweden, 1031 hPa Azores; LP 990 hPa Sardinia. A bright day with sunny spells although cloudy for a period in the middle of the day.
26th
LP 993 hPa develops N of Scotland, Passage of fronts brings a period of rain in the morning, light at first but heavier between 07.00 and 08.00, clearing away just after 09.00. Cloudy with sunny intervals afterwards and a couple of rain showers in the early afternoon.
27th
A fine day with some long sunny spells although very hazy with thin high cloud for much of the morning.
28th
Cloudy, overcast at times and becoming dull in the afternoon. Just a couple of brief brighter intervals but also some light spots of rain now and again.
29th
LP 987 hPa NE England tracking east. Warm front brings a long spell of light rain and drizzle in the morning moving away slowly. Clearer for a while in the afternoon with some sunshine before a cold front brings a spell of heavier rain in late afternoon.
30th
A bright morning with some long sunny spells. Becoming cloudy in the afternoon with a little light rain in early evening as a band of rain passes to the north .
31st
LP 975 hPa tracking east and deepening. A spell of rain, briefly heavy, in the early hours. A bright and windy day with some long sunny spells and a brief rain shower in late afternoon.