Thursday 14th December Weather Observations

[Summer Sun]

Dry and cold with patchy cloud

Temp 1.0c

[Shanice]

Pollard's Hill, Surrey

Recordings Taken At Midnight:

Current Conditions: Clear

Current Temp: 3.3°C

Current Barometer Reading: 993mb (Rising)

Humidity: 44%

[SteveB]

Showery start

Temp 4.3c

[Summer Sun]

Dry with some clearer sky starting to develop

Temp 1.6c

[johnholmes]

Mostly cloudy, dry now but showers earlier after a ground frost around 3 am when the temperature dropped to 1.1 C, currently on 2.4 C

[Terminal Moraine]

Moderate-heavy snow showers yesterday evening gave a fresh cover of 5cm but the showers were followed by a slow thaw. Dry with a few cloud breaks at present.

At 0900

Temp; 0.9c

24 hr max; 3.9c

24 hr min; 0.1c

Grass min; -0.1c

Rainfall in 24 hrs ending 0900; 12.7 mm

Mean wind speed; 14 mph SW

7 oktas Sc, St and Cu

Vis; 65 km

Mean depth of lying snow; 6.0cm; 98% cover

[Polar Continental]

Thursday 14th December 2017

 

Variable cloud overnight, showery snow. Temperature up and down all night with thawing and refreezing as ground frost developed at times. The initial 5.0cm cover last night has compacted and melted down to 3.0cm, 80% cover. Clear spells so far this morning.

 

Maximum temperature to 18:00 GMT yesterday 5.9∞C.

Minimum temperature overnight -0.9∞C

24-hour maximum 5.9∞C

24-hour minimum -0.9∞C

Minimum temperature on grass / Snow -1.6c

Maximum wind gust: (Midnight to Midnight) 20.1 mph SW

Rainfall total: 12.6mm

Mean Snow depth = 3.0cm. 80% cover.

 

Conditions at 09:00 GMT

 

3 Oktas Altostratus, Stratus fractus.

Visibility >10 miles.

Temperature: 1.6∞C

Humidity: 92.5%

Dew point 0.5∞C

Wind Direction: SW force 3

Barometer 987.6mb: Trend: steady.

 

Yesterday.

 

Mainly light rain continued until around midnight, becoming intermittent through the early hours. Much less cold than recent nights. Continued thaw of lying snow. Overcast so far this morning, continued thaw of lying snow, now only patchy cover, 2.0cm 50%. Cloudy through. The after saw moderate showery rain, turning cooler. Only a few patches of ice and snow left in sheltered spots. The evening saw a clearance with ground frost forming quickly. Around 19:00 GMT a spell of heavy rain which turned quickly to heavy snow producing a cover of around 5cm by 20:30 GMT.

[DTHFCJ]

Sunshine and showers,feeling cool light winds.

[Stargazer]

Dry and cold with sunny spells. Maximum 6.5, minimum 3.4. Wind light SW.

[The PIT]

Heavy overnight showers left a partial covering of snow. Showers of rain sleet and snow soon moved away leaving a dry cold day until evening when a band of heavy rain and sleet passed quickly through

Max temp 4.1C now 2.1C low 0.3C, Barometer 981mb rising slowly, Wind f2 SW, Rainfall 10.4mm

[SteveB]

Showery cool day

Temp 4.9c

Max Temp 6.5c

Min Temp 4.1c

[Terminal Moraine]

Early morning cloud cleared by 0920 and the rest of the morning was dry and sunny. Cloud increased quickly around midday and the afternoon was mainly cloudy with a few light showers, these becoming heavier by early evening and turning to sleet and wet snow.

At 1800

Temp; 1.7c

Max today; 2.8c

Min last night; 0.1c

Grass ( snow ) min; -0.1c ( thermometer covered with snow )

Rainfall from 0900-1800; 0.2 mm

Sunshine today; 2.71 hrs

Mean wind speed; 17 mph SW

Highest gust today; 29 mph SW at 1001

7 oktas Cu and Sc

Vis; 30 km

Mean depth of lying snow; 5.1cm; 80% cover

[hillbilly]

Sleet overnight with a cold start  some rain and sleet showers,max 4 deg,min 2 deg

[Shanice]

Daily Report At Pollard's Hill, Surrey

A Crisp, Dry And Sunny Winter's Day

Past 24 Hours Recordings: Thursday 14th December 2017:

Max Temp: 6.5°C

Min Temp: 1.9°C

Rainfall: Nil

December 2017 Stats:

Temperature:

Max Temp Avg: 7.42°C

Min Temp Avg: 2.65°C

Mean Temp Avg: 5.03°C

Highest Daytime Max Temp: 12.4°C on the 7th

Lowest Daytime Max Temp: 2.6°C on the 11th

Highest Night Min Temp: 8.4°C on the 6th

Lowest Night Min Temp: -3.0°C on the 12th

Rainfall:

Highest 24 Hours Rainfall: 16.6mm on the 10th

Total December Rainfall: 39.4mm

Pressure:

Barometer High 1035mb on the 4th

Barometer Low: 972mb on the 10th

Yearly 2017 Stats:

Temperature:

Highest Daytime Max Temp: 33.0°C on 21st June

Lowest Daytime Max Temp: 0.8°C on 26th January

Highest Night Min Temp: 18.7°C on 19th June

Lowest Night Min Temp: -3.6°C on 23rd January

Rainfall:

Highest 24 Hours Rainfall: 36.9mm on 9th August

Total Year Rainfall: 546.7mm

Driest Month: 2.1mm...April

Wettest Month: 93.2mm...July

Pressure:

Barometer High: 1038mb on 17th January

Barometer Low: 972mb on 10th December