Weather in Riihimaki for a month

M
T
W
T
F
S
S
21 may
+23
+11
22
+24
+7
23
+25
+9
+20
min: +8
+23
+9
+24
+12
+19
+12
+23
+9
+25
+12
+21
+14
+14
+7
+15
+5
+14
+8
3
+16
+9
4
+18
+11
5
+20
+14
6
+16
+13
7
+18
+14
8
+22
+11
9
+18
+11
10
+18
+9
11
+22
+12
12
+15
+13
13
+19
+10
14
+19
+10
15
+16
+11
16
+17
+10
17
+19
+10
18
+20
+14
19
+17
+13
20
+18
+10
21
+15
+13
22
+15
+11
23
24

Geomagnetic field

T, 24 may
2 points
Small perturbations
F, 25 may
3 points
Weak geomagnetic storm
S, 26 may
2 points
Small perturbations