Table 1.

Description of the sites with the climate variables for the period 2000–2020. The full names of the sites are given together with their three-letter abbreviation (used elsewhere in the text and figures). For latitude, longitude, and aspect of the slope, north (N), south (S), west (W) and east (E) refer to the cardinal points. The mean annual temperature, annual precipitation sum and CWB (based on April through September data) are given as mean ± standard deviation.

Site	Latitude (N)	Longitude (E)	Elevation (m a.s.l.)	Aspect	Slope (°)	Temperature (°C)	Precipitation (mm)	CWB (mm)
Bois des Gésiaux (Ges)	46° 33′ 20"	6° 39′ 12"	760	S	5	9.9 ± 6.4	1094 ± 219	6 ± 27
Küngoldingen (Kun)	47° 18′ 6"	7° 56′ 50"	480	W	8	9.8 ± 6.7	942 ± 144	−3 ± 20
Sommerwies (Som)	47° 43′ 6"	8° 36′ 41"	550	NE	10	9.5 ± 6.8	917 ± 137	−8 ± 18