166
I
I
.
I
I
.
I
I
If
"
-38S ---'r-------------0.0
2.5
5 .0
. -~ - -
I
I
7.5 10.0 '2.5 15 .0 17.5 20.0 22.5 25.0 27 5
Precipitation frequency
January
,
,
,
I
I
.
I
I
I
I
I
I
I
I
.
OBSERVATIONS
-30.0 32 .5 35.0