158
'3Q
-E'i-~- - ____ _
,
-
-38S- -1.0
1.5
2.0
,
,
----- - --~---- --2.5
, , ,
3.0
3.5
4.0
4.5
5.0
Low cloud cover
January
5.5
6.0
[okta ]
6.5
,
,
OBSERVATIONS
7_0
7.5
8.0