Data tables used for EDA


Buoy Class Table

Feature Data Type Example Value
Feature object buoy_id
Data Type object str
Example Value object 1401617

Individual Buoy Drift Table

Feature Data Type Example Value
date datetime64[ns] 2026-07-20 00:00:00
buoy_id object 1401617
first_longitude float64 -40.533
last_longitude float64 -40.551
first_latitude float64 57.378
last_latitude float64 57.346
first_x float64 282617.992
last_x float64 281772.533
dx float64 -845.459
first_y float64 -3617639.635
last_y float64 -3621469.204
dy float64 -3829.569
fwd_azimuth float64 196.915
total_distance_km float64 3.922

All Buoys Drift Table

Feature Data Type Example Value
date datetime64[ns] 2026-07-20 00:00:00
buoy_id object 1401617
first_longitude float64 -40.533
last_longitude float64 -40.551
first_latitude float64 57.378
last_latitude float64 57.346
first_x float64 282617.992
last_x float64 281772.533
dx float64 -845.459
first_y float64 -3617639.635
last_y float64 -3621469.204
dy float64 -3829.569
fwd_azimuth float64 196.915
total_distance_km float64 3.922
sea_sector_id object 23

Raw Downloaded Data Table

Feature Data Type Example Value
time (UTC) object 2026-07-20T15:00:00Z
latitude (degrees_north) float64 57.3775
longitude (degrees_east) float64 -40.5332
bp (mBars) float64 1022.1
surface_temp (degree_C) object 9.20
air_temp (degree_C) object None
has_bp object yes
has_surface_temp object yes
has_air_temp object no
buoy_id object 1401617
buoy_type object SVP
buoy_owner object Météo France
logistics object ROSE DES GLACES
hemisphere object North
year int64 2026
hour object 15
minute object 00
day_of_year float64 201.625

Formatted Downloaded Data Table

Feature Data Type Example Value
time datetime64[ns, UTC] 2026-07-20 15:00:00+00:00
latitude float64 57.378
longitude float64 -40.533
bp float64 1022.1
surface_temp float64 9.2
air_temp float64 NaN
has_bp object yes
has_surface_temp object yes
has_air_temp object no
buoy_id object 1401617
buoy_type object SVP
buoy_owner object Météo France
buoy_program object ROSE DES GLACES
hemisphere object North
year int64 2026
hour object 15
minute object 00
day_of_year float64 201.625
sea_sector_id object 23
buoy_status object floating
formatted_date datetime64[ns] 2026-07-20 00:00:00
formatted_time object 15:00:00
buoy_owner_category object MéTéO FRANCE
buoy_type_category object SVP
buoy_program_category object ROSE DES GLACES