40 
Tabell 13. 
1905 
few 
tunp 
mp 
Ysneny 
aoqwegdas 
Antalet stationer i hela landet | 103 119 iy 112 92 
= x f landet Alan: 18 26 25 24 10 
Askdagar fôr 4 
| stationerna ©) 108 | 437 | 511 | 355 | 42 
Åskutbrott . . . . . . . .| 131 | 543 | 649 | 450 | 45 
Tabell 14. 
‘Âskans utbredning maj—september i procent af arealen. 
(oo) mn < 
Ah) et 
© 6 | 2 | FE 3 = a IE © 
1005 Ela E25 o |e = S 
lee | sl |) = 
SRE 3 al B B 2 tee 
Maye er 28 22 | (75)| 36 | 22 | 23 | 23 | 6 
Jan A1 SEN Ge) 31 200 DAS RIRE 
a, a ME no) an. | 16 
Augusti . . .| 40 | 15 | 42 | (50) 42 | 22 | 19 | 28 | 14 
September. .| 25 | 9 | 33 | (50)| 50 | 8 | 11 | 17 | 5 
Bidrag t. känned. af Finl. 
