University of Reading METFiDAS weather observations for 19 Sep 2020 at time 0220 UTC

These data are provided without any guarantee as to their accuracy.
From time to time errors may arise which we will endeavour to correct as quickly as possible.

Click here to see graphs of recent weather at the University of Reading.


CURRENT CONDITIONSEXTREMES and TOTALS since 0000 UTC
MaximumTime MinimumTime Total
UTC UTC

Temperature and humidity
Air temperature: ºC 12.5 13.3 0001 12.4 0216
Wet bulb temperature: ºC 11.3
Dew point bulb temp.: ºC 10.0
Vapour pressure: hPa 12.3
Note: The wet bulb, dew point and vapour pressure above are computed from air temperature and relative humidity
Relative humidity: % 85 85 0215 79 0002
Temperature change in 1 hour: degC -0.6
Wet bulb temperature: ºC 11.3 11.6 0001 11.3 0210
Note: The above wet bulb temperature is measured using a probe and wick

Surface temperatures (ºC)
Grass temperature 7.5 9.0 0004 6.9 0138
Concrete temperature 11.8 13.0 0004 11.7 0219
Bare soil temperature 10.6 11.7 0001 10.6 0214

Precipitation (mm)
Rainfall in past 5 minutes: 0.0
Rainfall in past hour: 0.0
Rainfall in past 3 hours: 0.0
Rainfall in past 6 hours: 0.0
Rainfall since 0000 UTC: 0.0

Soil temperatures under grass (ºC)
5 cm soil temperature: 16.3 16.6 0001 16.3 0155
10 cm soil temperature: 16.7 17.0 0001 16.7 0200
20 cm soil temperature: n/a n/a n/a
30 cm soil temperature: 16.9 17.0 0002 16.9 0033
50 cm soil temperature: n/a n/a n/a
100 cm soil temperature: 16.6 16.6 0002 16.6 0005

Lowest cloud base (ceilometer measurement)
Lowest cloud base in past 5 minutes: metres None detected
Lowest cloud base in past 5 minutes: feet None detected

Visibility and present weather (BIRAL SWS-250)
Visibility: metres 39562
Present weather No significant weather

Sunshine and irradiance
Sunshine in past 5 minutes: min 0.0
Sunshine since 0000 UTC: h 0.0
Total global solar irradiance: W/m2 -2 -2 0000
Global solar irrad. since 0000 UTC: MJ/m2 0.0
Direct beam solar irradiance: W/m2 -1 n/a
Diffuse solar irradiance: W/m2 -3 n/a
Net irradiance: W/m2 -58 n/a n/a
Ground heat flux density: W/m2 -8 n/a n/a
Shortwave upwelling irradiance: W/m2 0 n/a n/a
Shortwave downwelling irradiance: W/m2 -5 n/a n/a
Longwave upwelling irradiance: W/m2 357 n/a n/a
Longwave downwelling irradiance: W/m2 307 n/a n/a

Pressure
Mean sea level pressure: hPa 1018.6 1019.5 0001 1018.6 0215
Pressure change in 1 hour: hPa -0.5
Pressure change in 3 hours: hPa -1.4

Wind
10-metre wind direction: 036
10-metre wind speed: m/s 2.0
Note: Wind speed and direction are 10-minute vector mean values
10-metre maximum 3-sec wind gust: m/s 3.7 5.6
2-metre average wind speed since 0000 UTC: m/s 1.4
10-metre average wind speed since 0000 UTC: m/s 2.2

Click here for the summary for yesterday from the University of Reading.