Sunday 17th December Weather Observations

[Summer Sun]

Dry calm and cold

Temp -2.3c

[Shanice]

Pollard's Hill, Surrey

Recordings Taken At Midnight:

Current Conditions: Clear

Current Temp: 1.9°C

Current Barometer Reading: 1023mb (Rising)

Humidity: 43%

[johnholmes]

Cloudy, dry, a white frost, and an air frost earlier with a low of -3.1 C, white garden, roofs and cars

[SteveB]

Dry cloudy start

Temp 5.6c

[Terminal Moraine]

Clear intervals yesterday evening but the second half of the night was mainly cloudy with St spreading in and lowering to give hill fog from 0530. The fog has thinned a bit in the last hour but with thickening high and medium level cloud overhead.

At 0900

Temp; 1.4c

24 hr max; 2.0c

24 hr min; -1.0c

Grass ( snow ) min; -4.0c

Rainfall in 24 hrs ending 0900; 0.4 mm

Mean wind speed; 18 mph SW

7 oktas Cs, As and Ac

Vis; 1000 mts

Mean depth of lying snow; 4.5 cm. 70% cover

[Polar Continental]

Sunday 17th December 2017

 

Clear spells developing overnight, widespread frost and ice forming. Still the odd patch of frozen snow. At observation, cloudy, icy underfoot.

 

Maximum temperature to 18:00 GMT yesterday 2.2∞C.

Minimum temperature overnight -2.3∞C

24-hour maximum 2.2∞C

24-hour minimum -2.3∞C

Minimum temperature on grass / Snow -3.6c

Maximum wind gust: (Midnight to Midnight) 9.9 mph W

Rainfall total: 0.7mm

 

 

Conditions at 09:00 GMT

 

7 Oktas Altostratus, Cirrostratus, Stratocumulus.

Visibility 5 miles.

Temperature: 1.0∞C

Humidity: 86.5%

Dew point –1.0∞C

Wind Direction: SSE force 2

Barometer 1020.0mb: Trend: falling.

 

Yesterday.

 

Clear spells overnight, widespread frost. At observation, mainly cloudy, odd blob of sleet. Only patchy snow cover 10%. Widespread ice. Staying cloudy all day with a little light rain.

[Summer Sun]

Cloudy with light rain

Temp 1.7c

[The PIT]

Light rain mid morning now dry again. Cold so far after a rare air frost

Temp 3.7C, Low -1.1C, Barometer 1016mb falling, Wind F3 SW, Rainfall 0.4mm

[DTHFCJ]

Cloudy,patchy rain light winds.

[vizzy2004]

Cold frosty start followed by heavy rain.

Current Temp: 2.9c

Overnight Low: -3.3c

Wind: 6mph

Rainfall: 2.4mm

[johnholmes]

2.2 mm of rain from about 0950-1330, still mostly cloudy but dry, a high of 5.5 C at the moment

[Terminal Moraine]

A chilly, overcast start to the  morning with light-moderate drizzle and rain. No change until mid afternoon when the drizzle and fog cleared but  the temperature rose steadily from late morning onward.

At 1800

Temp; 7.5c

Max today; 7.5c

Min last night; -1.0c

Grass ( snow ) min; -4.0c

Rainfall from 0900-1800; 3.3 mm

Sunshine today; 0.00 hrs

Mean wind speed; 27mph W

Highest gust today; 49 mph W at 1831

8 oktas Ac and Sc

Vis; 50 km

Patchy snow lying but cover only about 10%

[johnholmes]

From a high of 8.4 C at 1825 it is now down to 5.5 C

[Stargazer]

Cold start with a hard frost, soon clouding over with a spell of rain around lunchtime. Cloudy with showers in the afternoon. Maximum 9.2, minimum -1.3. Wind light W.

[hillbilly]

 6Some frost overnight becoming cloudy.Cold with some drizzle to start some light spells of rain and drizzle throughout becoming milder.Max 6 deg min -1 deg

[Shanice]

Daily Report At Pollard's Hill, Surrey

After A Cold Start It Slowly Became Milder As The Day Went On, It Was Mostly Cloudy With Rain At Times, Was Also Quite Windy.

Past 24 Hours Recordings: Sunday 17th December 2017:

Max Temp: 9.4°C

Min Temp: 0.0°C

Rainfall: 2.2mm

December 2017 Stats:

Temperature:

Max Temp Avg: 7.3°C

Min Temp Avg: 2.2°C

Mean Temp Avg: 4.75°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: 43.8mm

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: 551.1mm

Driest Month: 2.1mm...April

Wettest Month: 93.2mm...July

Pressure:

Barometer High: 1038mb on 17th January

Barometer Low: 972mb on 10th December