Chelmsford Weather from CM2Weather

Forecast: Mostly cloudy and cooler. Precipitation possible within 12 hours, possibly heavy at times. Windy. Last Updated 05:50 on 22 July 2017


Yesterdays Recorded High and Low Weather Conditions

Temperature and Humidity
Maximum Temperature 22.8 °C Recorded at 12:33
Minimum Temperature 22.8 °C Recorded at 03:46
Maximum Apparent Temperature 21.7 °C Recorded at 12:30
Minimum Apparent Temperature 21.7 °C Recorded at 05:32
Lowest Windchill 12.2 °C Recorded at 03:46
Average Temperature 18.2 °C  
Temperature Range 10.7 °C
Maximum Humidity 91 Recorded at 03:43
Minimum Humidity 91 Recorded at 14:09

Temperature and Humidity data is taken from both the inside Weather console, and the External ISS Unit, and shows the Minimum Maximum and Ranges of Temperature and Humidity for Yesterday.

Barometric Pressure and Rainfall Data
Highest Barometric Pressure 1010.50 mb Recorded at 01:42
Lowest Barometric Pressure 1005.69 mb Recorded at 19:01
Total Rainfall 0.0 mm
Maximum Rainfall Rate 0.0 mm/h Recorded at 00:00
Maximum Hourly Rainfall 0.0 mm/h Recorded at 00:00

Barometric Pressure has been set-up against the Station Sea Level Pressure, The External rain bucket has been calibrated to tip each 0.2mm of rain.

Solar and UV
Maximum Solar Radiation 998wM2 Recorded at 13:18
Sun Shine Hours 9.6
Maximum UV Level 5.1 Recorded at 13:03

Solar and UV information is taken from the external ISS. The Evapotranspiration is calculated from the Solar, Temperature and Wind Data.

Wind and Gusts


Wind and Gusts
Maximum Average Wind Speed 10.0 mph Recorded At 13:12
Maximum Gust 23.0 mph Recorded At 12:58
Maximum Beaufort Scale F3 Recorded At 13:12
Dominant Direction SSW
Total Wind Run 115.9 Miles

The Wind information is taken from the anemometer showing both the speed and direction. Averages are based on 10minute intervals. Data is sampled every 3 seconds.

Showing the Current Highs and Lows Recorded from CM2Weather Yesterday

Highs and Lows of weather data recorded on 22/07/2017 last updated at 05:50 on 22 July 2017