Weather in Kotka for a month

M
T
W
T
F
S
S
21 may
+17
+11
22
+21
+13
+17
min: +13
+16
+11
+17
+11
+18
+12
+19
+13
+16
+10
+19
+13
+20
+15
+12
+9
+13
+7
2
+13
+10
3
+14
+11
4
+17
+11
5
+17
+14
6
+16
+14
7
+19
+15
8
+20
+13
9
+16
+14
10
+17
+12
11
+20
+14
12
+17
+14
13
+17
+13
14
+18
+13
15
+16
+13
16
+16
+12
17
+18
+12
18
+23
+15
19
+17
+14
20
+17
+12
21
+16
+14
22
23
24

Geomagnetic field

W, 23 may
2 points
Small perturbations
T, 24 may
3 points
Weak geomagnetic storm
F, 25 may
3 points
Weak geomagnetic storm