Jökull - 01.12.1971, Page 13

1968
Total amount of precipitation (mm).
Period N NE E SE S SW W NW Variable direction Total
Juiy 23.9 1.4 22.0 18.4 0 14.0 79.7
August 1—9 — — — — — 3.3 0 — — 3.3
Observation period 23.9 - - - 1.4 25.3 18.4 0 14.0 83.0
1968 Mean cloudiness (octas).
Period N NE E SE S SW W NW Variable direction Mean
Júiy 8.0 6.5 4.4 4.6 5.8 4.7 4.8
August 1—9 - — — — — 5.5 4.5 — — 5.1
Observation period 8.0 - - - 6.5 4.7 4.6 5.8 4.7 4.9
1968 Mean air temperature (°C).
Period N NE E SE S SW W NW Variable direction Mean
July 1.3 7.3 5.8 5.3 3.6 1.9 4.9
August 1—9 - — — — — 6.6 5.1 — — 6.0
Observation period 1.3 - - - 7.3 6.0 5.2 3.6 1.9 5.1
1968 Mean relative humidity (%).
Period N NE E SE S SW W NW Variable direction Mean
July 98 93 76 79 78 85 79
August 1—9 — — — — — 78 77 — — 78
Observation period 98 - - - 93 77 78 - - 79
JÖKULL 21. ÁR 11