University of Reading METFiDAS weather observations for 24 Jan 2018 at time 0940 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: C 12.3 12.7 0909 10.5 0020
Wet bulb temperature: C 11.7
Dew point bulb temp.: C 11.1
Vapour pressure: hPa 13.2
Note: The wet bulb, dew point and vapour pressure above are computed from air temperature and relative humidity
Relative humidity: % 92 95 0807 82 0125
Temperature change in 1 hour: degC 0.0
Wet bulb temperature: C 11.4 11.5 0840 9.0 0020
Note: The above wet bulb temperature is measured using a probe and wick

Surface temperatures (C)
Grass temperature 11.7 11.8 0905 8.8 0020
Concrete temperature 11.6 11.6 0940 8.5 0020
Bare soil temperature 11.3 11.3 0940 8.1 0020

Precipitation (mm)
Rainfall in past 5 minutes: 0.0
Rainfall in past hour: 0.0
Rainfall in past 3 hours: 0.2
Rainfall in past 6 hours: 0.2
Rainfall since 0000 UTC: 0.2

Soil temperatures under grass (C)
5 cm soil temperature: 8.5 8.5 0900 7.8 0005
10 cm soil temperature: 7.8 7.8 0902 7.3 0003
20 cm soil temperature: 7.3 7.3 0829 7.0 0001
30 cm soil temperature: 7.1 7.1 0850 6.8 0004
50 cm soil temperature: 6.5 6.5 0750 6.2 0003
100 cm soil temperature: 7.0 7.0 0005 7.0 0004

Lowest cloud base (ceilometer measurement)
Lowest cloud base in past 5 minutes: metres 302
Lowest cloud base in past 5 minutes: feet 990

Sunshine and irradiance
Sunshine in past 5 minutes: min 0.0
Sunshine since 0000 UTC: h 0.1
Total global solar irradiance: W/m2 33 93 0903
Global solar irrad. since 0000 UTC: MJ/m2 0.15
Direct beam solar irradiance: W/m2 0 n/a
Diffuse solar irradiance: W/m2 34 n/a
Net irradiance: W/m2 -26 n/a n/a
Ground heat flux density: W/m2 8 n/a n/a
Shortwave upwelling irradiance: W/m2 6 n/a n/a
Shortwave downwelling irradiance: W/m2 33 n/a n/a
Longwave upwelling irradiance: W/m2 383 n/a n/a
Longwave downwelling irradiance: W/m2 370 n/a n/a

Pressure
Mean sea level pressure: hPa 1003.7 1013.9 0001 1003.7 0930
Pressure change in 1 hour: hPa -1.1
Pressure change in 3 hours: hPa -2.9

Wind
10-metre wind direction: 216
10-metre wind speed: m/s 7.9
Note: Wind speed and direction are 10-minute vector mean values
10-metre maximum 3-sec wind gust: m/s 15.1 17.5
2-metre average wind speed since 0000 UTC: m/s 4.8
10-metre average wind speed since 0000 UTC: m/s 6.2

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