2004 has had it all: wet periods, dry periods, frost, snow, heatwaves,
thunderstorms etc. Onto the numbers:

A) Air temperatures

Abs. min.: -4.6C (Feb 14th)
Abs. max.: +39.5C (Jul 11th)

Min. max.: -1.1C (Feb 14th)
Max. min.: +28.0C (Jul 23rd)

Avg min.: +14.7C
Avg max.: +22.15C
Average temperatu +18.04C (+0.4)*

Days with air frost: 8
Ice days: 1
Tropical days (Tx=30C): 77
Days with 37C+: 3

B) Ground temperatures:

min. reading: -9.5C (Feb 14th)
Days with ground frost: 25

C) Relative Humidity

Min. reading: 7% (Sep 17th)
Max. reading: 95% (Jan 14th)
Average RH: 57%

D) Precipitation

Days with precipitation: 94
Rain days: 61
Annual precipitation: 482.3 mm (116%)*
Snow days: 10 (-1.1)
Days with lying snow: 5 (+2.6)
Days with hail*: 4 (+3.6)
Days with thunder heard: 25 (+1.1)
Days with 10 mm+: 12 (-3.7)
Days with 20 mm+: 6 (-0.5)
Days with 30 mm+: 3 (+0.2)

All the best for the new year again!
Yannis, SE Athens

* Soft hail falling before/along with snow is not counted is as 'hail' here;
only hail falling during thunderstorms is counted in. Temperature and
rainfall comparisons are to the 1961-1990 eLTAs. Yes, I should calculate the
eLTAs for 1971-2000, I know The rest comparisons are to the
12/1991-12/2003 period, for which data is available.