1. June 19, 1867: thermometer in water 46° F. outside of Hrollaugseyar, 6 miles east of Ingólfshöfði, 48° F. 3 miles south-east of ditto, and 47° F. 20 miles west of ditto.
2. June 20: thermometer 47° between Portland and the Vestmannaeyjar, 47° F. 12 miles west of the Vestmannaeyjar.
3. June 23: thermometer 46° in the Breiði Fjörð, off Stykkishólm.
4. June 24: 43° outside of the Dýrafjörð, and 43°-43°·50 outside of the Ísafjörð.
5. June 25: 38° off the Húnafljói, and 43° off Cap Nord.
6. July 1: 40° off the Axarfjörð.
7. July 4: 39° off the Langanes (north-eastern point of Iceland).
8. July 6: 40° off Viðivik, and 42° outside of Borgarfjörð.
9. August 4: 46° 16 miles south-east of Langanes.
10. August 6: 42° in the Testilfjörð, western side of Langanes.