Summary for joulukuu 2009

Temperature (C):
Mean (1 minute)  -5,7
Mean (min+max)   -6,0
Mean Minimum     -8,3
Mean Maximum     -3,6
Minimum          -21,1 day 18
Maximum          5,4 day 01
Highest Minimum  0,9 day 08
Lowest Maximum   -13,9 day 17
Air frosts       30

Rainfall (mm):
Total for month  0,0
Wettest day      0,0 day 00
Rain days        0

Wind (m/s):
Highest Gust     9,9 day 01
Average Speed    0,7
Wind Run         1933,2 km
Gale days        0

Pressure (hPa):
Maximum          1031,9 day 12
Minimum          987,2 day 23

Days with snow falling         0
Days with snow lying at 0900   0