University of Reading METFiDAS weather observations for 20 Mar 2025 at time 0800 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 8.7 8.8 0002 5.0 0609
Wet bulb temperature: ºC 7.6
Dew point bulb temp.: ºC 6.4
Vapour pressure: hPa 9.6
Note: The wet bulb, dew point and vapour pressure above are computed from air temperature and relative humidity
Relative humidity: % 86 97 0550 82 0003
Temperature change in 1 hour: degC +2.5
Wet bulb temperature: ºC 7.1 7.2 0756 4.7 0610
Note: The above wet bulb temperature is measured using a probe and wick

Surface temperatures (ºC)
Grass temperature 14.6 14.9 0758 -0.8 0500
Concrete temperature 10.6 10.8 0757 5.1 0550
Bare soil temperature 11.0 11.3 0757 3.6 0556

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: 7.1 7.6 0001 7.1 0649
10 cm soil temperature: 7.0 7.3 0004 7.0 0654
20 cm soil temperature: n/a n/a n/a
30 cm soil temperature: 6.9 6.9 0225 6.7 0002
50 cm soil temperature: n/a n/a n/a
100 cm soil temperature: 7.3 7.3 0002 7.3 0004

Lowest cloud base (ceilometer measurement)
Lowest cloud base in past 5 minutes: metres 1500
Lowest cloud base in past 5 minutes: feet 4921

Visibility and present weather (BIRAL SWS-250)
Visibility: metres n/a
Present weather n/a

Sunshine and irradiance
Sunshine in past 5 minutes: min 5.0
Sunshine since 0000 UTC: h 0.9
Total global solar irradiance: W/m2 298 304 0759
Global solar irrad. since 0000 UTC: MJ/m2 0.48
Direct beam solar irradiance: W/m2 -5 3 0715
Diffuse solar irradiance: W/m2 301 307 0759
Net irradiance: W/m2 149 149 0800 -34 0540
Ground heat flux density: W/m2 -6 -6 0000 -16 0624
Shortwave upwelling irradiance: W/m2 81 81 0800 -2 0010
Shortwave downwelling irradiance: W/m2 299 299 0800 -5 0500
Longwave upwelling irradiance: W/m2 347 347 0800 314 0606
Longwave downwelling irradiance: W/m2 303 334 0156 286 0454

Pressure
Mean sea level pressure: hPa 1021.0 1021.6 0010 1020.5 0445
Pressure change in 1 hour: hPa +0.2
Pressure change in 3 hours: hPa +0.5

Wind
10-metre wind direction: 040
10-metre wind speed: m/s 0.8
Note: Wind speed and direction are 10-minute vector mean values
10-metre maximum 3-sec wind gust: m/s 1.6 1.9
2-metre average wind speed since 0000 UTC: m/s 0.2
10-metre average wind speed since 0000 UTC: m/s 0.3

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