Time series

1985-2019

1985-1996

1997-2008

2009-2019

n

Q mm/35 yrs

n

Q mm/12 yrs.

n

Q mm/12 yrs

n

Q mm/11 yrs

Annual

35

−1.78*

12

5.73

12

−11.32**

11

7.80

January

35

−0.07

12

0.52

12

−0.62

11

−0.07

February

35

−0.11+

12

0.72

12

−0.02

11

0.34

March

35

−0.37**

12

−0.05

12

−3.57**

11

−0.01

April

35

−0.37+

12

−0.85

12

1.24

11

0.10

May

35

0.02

12

0.65

12

0.16

11

0.12

June

35

0.00

12

0.04

12

−0.17+

11

−0.03

July

35

0.00

12

0.34+

12

−0.08

11

−0.20

August

35

0.01

12

0.08

12

−0.86+

11

0.05

September

35

−0.01

12

0.01

12

−0.12+

11

0.15

October

35

−0.08

12

1.00

12

−0.42

11

0.63

November

35

0.20

12

0.40

12

−1.98*

11

1.31

December

35

−0.18

12

0.08

12

−0.58

11

−0.07

Winter

35

−2.72*

12

7.78

12

−7.21+

11

4.13

Spring

35

−5.42**

12

−7.24

12

−13.20

11

8.28

Summer

35

0.135

12

6.94

12

−5.84

11

2.16

Fall

35

−0.255

12

8.41

12

−15.18*

11

14.95