Minimum- and maximum values joulukuu 2004
Meas. item Minimum Time Date Maximum Time Date Average
Ulkolämpö -13,9 °C 01:5904.12.2004 5,1 °C 05:4717.12.2004 -0,8 °C 
Kastepiste -13,9 °C 01:5904.12.2004 4,6 °C 05:0417.12.2004 -1,4 °C 
Ulkokosteus 73 % 14:2824.12.2004 100 % 17:1303.12.2004 96 % 
Ilmanpaine 966 mbar 00:2524.12.2004 1022 mbar 17:4613.12.2004 999 mbar 
Tuulennopeus      11,3 m/s 04:4315.12.2004 1,8 m/s 
Sade      1,0 mm 23:5217.12.2004 #1,000 mm 

Minimum Temperature -13,9 °C 
Average Minimum Temp.-3,7 °C 
Average Maximum Temp.1,3 °C 
Maximum Temperature 5,1 °C 
Average Temperature -0,79 °C 
Month Standard Deviation - 0,79 K 
Month Normal Value  0,0 °C 

Ice days (Tmax < 0°C)
Cold days (Tmin <= 0°C)22 
Cool days (Tmax < 10°C)30 
Yli 0 astetta (Tmax >= 0,0°C)23 
Summer days (Tmax >= 25°C)
Hot days (Tmax >= 30°C)

Rain days
> 0,0 mm
> 2,0 mm
> 5,0 mm
> 10,0 mm
> 20,0 mm
Rain quantity 1,0 mm 
Month Standard Deviation  + 1,0 mm 
Month Standard Deviation  - - 
Month Normal Value  0,0 mm 

Distribution Wind force
6 Bft0,01 % 
5 Bft0,77 % 
4 Bft6,89 % 
3 Bft8,94 % 
2 Bft29,38 % 
1 Bft7,68 % 
0 Bft46,31 %