Data tables used for EDA


Buoy Class Table

Feature Data Type Example Value
Feature object buoy_id
Data Type object str
Example Value object 2802244

Individual Buoy Drift Table

Feature Data Type Example Value
date datetime64[ns] 2025-11-17 00:00:00
buoy_id object 2802244
first_longitude float64 -45.062
last_longitude float64 -44.982
first_latitude float64 44.525
last_latitude float64 44.547
first_x float64 -5618.001
last_x float64 1630.158
dx float64 7248.159
first_y float64 -5191736.258
last_y float64 -5188952.676
dy float64 2783.582
fwd_azimuth float64 68.941
total_distance_km float64 7.764

All Buoys Drift Table

Feature Data Type Example Value
date datetime64[ns] 2025-11-17 00:00:00
buoy_id object 2802244
first_longitude float64 -45.062
last_longitude float64 -44.982
first_latitude float64 44.525
last_latitude float64 44.547
first_x float64 -5618.001
last_x float64 1630.158
dx float64 7248.159
first_y float64 -5191736.258
last_y float64 -5188952.676
dy float64 2783.582
fwd_azimuth float64 68.941
total_distance_km float64 7.764
sea_sector_id object 23

Raw Downloaded Data Table

Feature Data Type Example Value
time (UTC) object 2025-11-17T16:02:26Z
latitude (degrees_north) float64 44.525
longitude (degrees_east) float64 -45.062
bp (mBars) float64 1013.4
surface_temp (degree_C) object 19.62
air_temp (degree_C) object None
has_bp object yes
has_surface_temp object yes
has_air_temp object no
buoy_id object 2802244
buoy_type object SVP
buoy_owner object EUMETNET
logistics object GRAIN DE SAIL II
hemisphere object North
year int64 2025
hour object 16
minute object 02
day_of_year float64 321.66836

Formatted Downloaded Data Table

Feature Data Type Example Value
time datetime64[ns, UTC] 2025-11-17 16:02:26+00:00
latitude float64 44.525
longitude float64 -45.062
bp float64 1013.4
surface_temp float64 19.62
air_temp float64 NaN
has_bp object yes
has_surface_temp object yes
has_air_temp object no
buoy_id object 2802244
buoy_type object SVP
buoy_owner object EUMETNET
buoy_program object GRAIN DE SAIL II
hemisphere object North
year int64 2025
hour object 16
minute object 02
day_of_year float64 321.66836
sea_sector_id object 23
buoy_status object floating
formatted_date datetime64[ns] 2025-11-17 00:00:00
formatted_time object 16:02:26
buoy_owner_category object EUMETNET
buoy_type_category object SVP
buoy_program_category object GRAIN DE SAIL II