December Statistics

[johnholmes]

Hi

I've looked for a December thread but not found one. If there is one then pse mods put this in it - thanks

Avge min = 2.9C(2.3C) abs min = -2.3C on 20th

Avge Max = 8.7C(6.9C) abs max = 14.9C on 30th

Mean temp = 5.8C(4.6C)

previous December mean temps:

2003 = 4.4C

2002 = 4.9C

2001 = 3.8C

2000 = 5.8C

1999 = 4.7C

1998 = 5.3C

1997 = 6.0C; so the second joint highest mean in 8 years.

days with any rain = 13

days with 0.2mm or more = 11(16)

days with snow = 1(4) (1 lying)

days with air frost = 7(10)

days with ground frost = 14(16)

days with fog = 0(5)

days with thunder = 0(<1)

long term averages for this area in brackets

[Terminal Moraine]

I did start one under general weather chat John but I'll carry it on here.

Long term averages in brackets.

Mean max' 6.6c (5.4c)

Mean min' 2.3c ( 1.4c)

Highest max' 10.5c 30th

Lowest min' -2.6c 20th

Rainfall 53.0mm 44% average

Sunshine 58.5 hrs 121% average

Sleet/snow falling 6 (8.1)

Snow lying at 0900 5 (5.0)

Air Frost 7 (10)

Ground frost 14

T.M

[Shanice]

Monthly Report for December 2004 at Pollard's Hill Weather Station, Surrey

Temperatures were above average and the Rainfall below average.

December 2004 Max Temp Avg: 8.82c (Highest Daytime Max: 13.7c on the 23rd)

December Max Temp 1991-2004 Avg: 8.32c (Highest Daytime Max: 15.3c on 10-12-1997)

December 2004 Min Temp Avg: 3.33c (Lowest Night Time Min: -2.6c on the 26th)

December Min Temp Avg 1991-2004: 3.46c (Lowest Night Time Min: -5.1c on 12-12-1991)

December 2004 Temp Mean Avg: 6.07c

December Mean Temp Avg 1991-2004: 5.89c

December 2004 Rainfall: 55mm (Highest 24hrs Rainfall: 20mm on the 17th)

December Rainfall Avg 1993-2004: 63.08mm (Highest 24hrs Rainfall: 35mm on 30-12-2002)

[J10]

Monthly Report for December 2004 - Local Weather Stations (Cardiff, Pembrey and Mumbles)

December 2004 Max Temp Avg: 9.20c (Highest Daytime Max: 13c on the 30rd)

(8.47 = 2003)

December 2004 Min Temp Avg: 5.72c (Lowest Night Time Min: -4c on the 20th)

(4.65 = 2003)

December 2004 Temp Mean Avg: 7.46c (6.63c = 2003)

Sleet/snow falling 2

Snow lying at 0900 2

[stano]

Current wx at Grimsby

Wind ........... WSW 5 ............... Pressure 1018 mb steady ------------ Temp 6c ......... Cloud 4 octas ............ Rain nil ............. R/h 29%

[johnholmes]

Hi Stanno

tks for that but it will probably get moved by the mods to 'Current Weather' for today

cheers

[Stormdelta 11]

Monthly Report for December 2004

Highest day Observations

Temps 10-5C

Dew Point 9C

Humidity 9

Windchill 11

Wind direction W 30mph

Pressure 1029mb

Rainfall 2.35mm

Lowest Night Observations

Rainfall 3.27mm

Temps 0.0C

Dew Point -3C

Humidity 71%

Windchill -5

Wind dir NNW 2mph

Pressure 996mb

5 Days of Frost

12 Days of Sunshine

11 Cloudy days

3 Lots of Snow

12 lots of Rain

[Andy Bown]

December 2004 in Westbury,Wiltshire

Average max = 6.67c (highest 12c on 30th)

Average min = 2.58c (lowest = -5c on 20th)

Mean = 4.62c

***This mean is interestingly just .02c lower than Dec 03.

Dry days = 17

Precipitation days = 14 (sleet 2, snow 2)