Here are some weather data for January 2004 in SE Athens:

A) Temperature

Minimum: -1.3C (24th) | max min: +12.8C (28th)
Maximum: +17.2C (14th) | min max: +1.7C (23rd)

Average minimum: +5.8C (-0.5)
Average maximum: +11.6C (-0.6)
Average: +8.46C (-0.8)

Average diurnal range: 5.8C

Minimum ground temperatu -5.3C
Days with a ground frost: 9
Days with an air frost: 4

Â) SLP

Minimum: 989.4 hPa (220359Â)
Maximum: 1028.4 hPa (312359B)
Average: 1009.83 hPa

C) Relative humidity

Minimum: 29% (24th)
Maximum: 95% (14th)
Average: 71.2%

D) Precipitation

Days with precipitation: 18 (+7.7)
Days with rain: 13 (+5)
Days with thunderstorm: 6 (+4.6)
Days with hail: 2 (+1.8)
Snow days: 4 (+1.4)
Days with snow cover: 1 (+0.1)

Monthly precipitation: 191.7 mm (464.0%)
Maximum 24h ppn: 73.9 mm (10th-11th)
Maximum rainfall intensity: 385.1 mm/h (220144B)
Days with heavy rainfall: 8
Days with 10 mm+ : 5
Days with 20 mm + : 3
Days with 30 mm + : 2

All the data above can be seen on http://www.e-kairos.gr/january04.html,
along with more information on Greek weather during January 2004.

Yannis, SE Athens
+6.6C, RH 72%, SLP 1023.8 hPa