Climate Data and Brief Summary for December 2005

Last updated 2nd January 2006

*Anomalies are based on averages for the period 1971-2000

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                        3.7          -0.2
Mean Maximum                5.8          -0.4
Mean Minimum                1.6           0.1
High Maximum               10.0                        23rd
Low Minimum                -7.8                        29th
Low Maximum                -3.1                        29th
High Minimum                6.5                        23rd
Low Grass                 -10.0                        29th
Air Frosts                   9           -1
Ground Frosts               15           -2
Hours of Frost            109.5

Barometric pressure, 24 hour observations (mbar)
Mean                      1016.5          4.2
Maximum                   1040.0                       13th                               
Minimum                    977.3                        3rd

PRECIPITATION (mm)
Total                       62.6        -17.7                                           
Rain days (0.2mm or more)   19            0                                            
Wet days (1.0mm or more)     9           -4 
Maximum Fall                14.2                       30th
Rainfall duration (hrs.)    37.8
 
SUNSHINE

Sun Hours                   61.9        +20.0
Maximum day                  7.0                       17th
Nil Sun Days                 7

HUMIDITY %

Mean                        92.7
Dry days (60% or less)       0                                                  

WIND (mph)

24hour mean                  3.7
09.00 mean                   4.0
Maximum gust                44.0                       16th 
%North                      10
%North East                  6
%East                        3
%South East                 18
%South                       2
%South West                 16
%West                       26
%North West                 16
%Calm                        3
Hours of calm               90.0

MISCELLANEOUS

Days with:

Sleet/Snow                   3           -2 
Snow lying (09.00)           2           -1
Maximum depth (cm)           1.3                       30th   
Total snow depth (cm)        2.0
Hail                         1
Thunder                      0
Fog (09.00)                  4

Brief summary of the month:
December 2005 was a rather dry but quite sunny month at times and quite
mild for much of the month. Much colder and frosty weather in the last 
week made the overall temperature closer to the average. It was the 
coldest December since 2003. The month was fairly dry with only 78% 
of the average rainfall. Sunshine totals were well above normal for 
the 3rd year in a row with 162% of the average, making it the sunniest 
since 2001. 

All data taken at 220 metres above sea level


Return to Monthly Data page

Return to Climate Data page