Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
observation period
mile - Hour
0558 - 0726 = 17 - 1.5
0741 - 1115 = 44 - 3.6
1315 - 1615 = 33 - 3.0
1655 - 1900 = 22 - 2.1
Total = 116 10.2