University of Reading METFiDAS weather observations for 19 Aug 2017 at time 0340 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 12.4 13.7 0001 12.4 0335
Wet bulb temperature: C 11.8
Dew point bulb temp.: C 11.1
Vapour pressure: hPa 13.3
Note: The wet bulb, dew point and vapour pressure above are computed from air temperature and relative humidity
Relative humidity: % 92 92 0158 85 0001
Temperature change in 1 hour: degC -0.4
Wet bulb temperature: C 11.8 12.4 0001 11.8 0329
Note: The above wet bulb temperature is measured using a probe and wick

Surface temperatures (C)
Grass temperature 10.5 12.8 0001 10.1 0337
Concrete temperature 11.8 13.9 0001 11.8 0340
Bare soil temperature 11.4 12.9 0001 11.4 0340

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 (C)
5 cm soil temperature: 17.2 17.9 0001 17.2 0325
10 cm soil temperature: 17.6 18.1 0001 17.6 0310
20 cm soil temperature: 17.8 18.2 0001 17.8 0335
30 cm soil temperature: 18.1 18.3 0001 18.1 0247
50 cm soil temperature: 17.7 17.7 0001 17.7 0004
100 cm soil temperature: 17.1 17.1 0003 17.1 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

Sunshine and irradiance
Sunshine in past 5 minutes: min 0.0
Sunshine since 0000 UTC: h 0.0
Total global solar irradiance: W/m2 -1 0 0000
Global solar irrad. since 0000 UTC: MJ/m2 0.0
Direct beam solar irradiance: W/m2 1 3 0013
Diffuse solar irradiance: W/m2 -2 0 0104
Net irradiance: W/m2 -52 -5 0101 -68 0046
Ground heat flux density: W/m2 -13 -11 0014 -13 0239
Shortwave upwelling irradiance: W/m2 1 2 0223 -1 0000
Shortwave downwelling irradiance: W/m2 -4 -1 0102 -5 0005
Longwave upwelling irradiance: W/m2 362 370 0000 359 0339
Longwave downwelling irradiance: W/m2 307 358 0101 306 0024

Pressure
Mean sea level pressure: hPa 1014.4 1014.4 0330 1012.9 0005
Pressure change in 1 hour: hPa +0.5
Pressure change in 3 hours: hPa +1.3

Wind
10-metre wind direction: 262
10-metre wind speed: m/s 1.3
Note: Wind speed and direction are 10-minute vector mean values
10-metre maximum 3-sec wind gust: m/s 2.8 6.4
2-metre average wind speed since 0000 UTC: m/s 1.6
10-metre average wind speed since 0000 UTC: m/s 2.3

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