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Monday April 5th 2021 - number of obs: 1414 (98.2%)

TemperatureHumidity
Maximum
10.1°Cat 14:07
Maximum
75.0 %at 06:45
Minimum
0.0°Cat 02:37
Minimum
35.0 %at 14:24
Average5.1°C Average55.0 %
Rain (21Z D-1 to 21Z D)Sunshine
Total0.2 mmTotal3.6 hours
PressureWind
Highest
1026.0 hPaat 23:26
Max Mean
7 knotsat 11:11
Lowest
1020.3 hPaat 09:04
Max Gust
13 knotsat 10:26
Remarks
Nil

Met Office 12Z Analysis Chart

Daily Diary

A clear start but quickly clouded over as cold fronts arrived from the north, bringing cloud and a little bit of rain. Cloud cleared to the south during the afternoon, leaving sunny spells, in an increasingly dry and cold Arctic Maritime flow. Brisk NW'ly surface winds, and rather cold despite the sunshine. Some remarkably low dew points (below -10) reported widely across England, and a very low 1000-500hPa thickness evident on the 00Z ascent at Lerwick (505.1 dam), directly beneath the Arctic cold pool.

RoostCam South Timelapse | RoostCam North Timelapse



Table of Frequencies (percent)
Direction Frequency of Wind Direction
N 4
NNE 0
NE 1
ENE 0
E 0
ESE 0
SE 0
SSE 0
S 0
SSW 0
SW 0
WSW 0
W 1
WNW 14
NW 52
NNW 17
Total 25.53