Jökull - 01.12.1971, Page 12

1968
Wind frequency (%).
Period N NE E SE S SW W NW Variable direction Total
Juiy 3.2 3.2 38.7 35.5 9.7 9.7 100
August 1—9 — — — — — 55.6 44.4 — — 100
Observation period 2.5 - - - 2.5 42.5 37.5 7.5 7.5 100
1968 Probability of a day with precipitation (%).
Period N NE E SE S SW W NW Variable direction Total
Juiy 3.2 3.2 25.8 19.4 9.7 9.7 71.0
August 1—9 - - — — — 55.6 0 — — 55.6
Observation period 2.5 - - - 2.5 32.5 15.0 7.5 7.5 67.5
1968 Probability of a day with fog (%).
Period N NE E SE S sw W NW Variable direction Total
Juiy 0 0 9.7 0 3.2 9.7 22.6
August 1—9 — — — — — 0 0 — — 0.0
Observation period 0 - - - 0 7.5 0 2.5 7.5 17.5
1968 Probability for precipitation for single wind direction.
Period N NE E SE S SW W NW Variable direction
Juiy 100 100 67 55 100 100
August 1—9 — — — — — 100 0 — —
Observation period 100 - - - 100 76 40 100 100
10 JÖKULL 21. ÁR