On the left hand page of the logbook the information is recorded in columns.
Column 1 gives the day name
column 2 the number day, the wind directions during the day is written
column 3, the course
column 4, the distance in nautical miles sailed in that day
column 5, columns 6 and 7 gives the latitude and longitude after correction and adjustment
column 8 the bearings to the last visible mark
The information recorded on that page describes the vessel’s position at noon, although the wind column often recorded all of the observed wind directions for the previous 24 h.
On the right hand page; wind strength and general weather information such a rain, snow, fog, thunder etc. as well as any other remarkable incidents were recorded.
DESCRIPTION AND GENERAL BACKGROUND TO SHIPS’ LOGBOOKS AS A SOURCE OF CLIMATIC DATA
R. GARCIA-HERRERA, C. WILKINSON, F. B. KOEK, M. R. PRIETO, N. CALVO and E. HERNANDEZ https://www.researchgate.net/publication/225521790_Description_and_General_Background_to_Ships'_Logbooks_as_a_Source_of_Climatic_Data