1943-1987

1988-1995

1996

1997

1998

1999

Mean annual temperature (˚C)

14.77

14.50

14.84

14.83

14.66

14.73

Mean annual precipitation (mm)

650.35

625.13

786.80

556.60

416.50

508.10

Mean temp. in hottest month (˚C)

23.56

23.78

23.43

23.20

24.40

24.30

Mean temp. in coldest month (˚C)

6.63

5.99

6.84

8.90

6.30

6.10

Mean max. temp. in hottest month (˚C)

30.79

30.50

29.85

28.50

30.70

28.80

Mean min. temp. in coldest month (˚C)

1.19

0.25

1.22

3.50

2.10

0.00

N˚ days with mean temp. ≥ 10˚C

269

264

280

290

256

259

N˚ rainy days

63

59

86

130

54

58

Seasonal precipitation concentration index (winter)

1.28

0.61

0.59

0.47

1.94

0.97

Seasonal precipitation concentration index (spring)

0.78

1.02

0.39

1.06

1.24

0.96

Seasonal precipitation concentration index (summer)

0.51

0.72

0.93

0.28

0.35

0.89

Seasonal precipitation concentration index (autumn)

1.51

1.65

0.88

2.43

1.14

1.59

F-FAO

92

96

54

58

86

130

Lang’s rain factor (R)

44

43

53

38

28

35

De Martonne’s index (Ia)

26

26

32

22

17

21

Emberger’s pluviometric quotient (Q)

63.22

58.60

88.44

69.58

44.40

61.26