# ice_observ.dat

year	cruise_id	obs_id	yrday_gmt	month_gmt	day_gmt	date_gmt_	time_gmt_	lat[width=7]	lon[width=7]	ice_cover_total	water_open[width=21]	track_km	ice_cover_prim	ice_type_prim[width=23]	ice_thick_prim	floe_size_prim[width=16]	topography_1_prim[width=26]	topography_2_prim[width=28]	snow_type_prim[width=22]	snow_thick_prim	ice_cover_sec	ice_type_sec[width=24]	ice_thick_sec	floe_size_sec[width=16]	topography_1_sec[width=26]	topography_2_sec[width=28]	snow_type_sec[width=22]	snow_thick_sec	ice_cover_tert	ice_type_tert[width=23]	ice_thick_tert	floe_size_tert[width=16]	topography_1_tert[width=26]	topography_2_tert[width=28]	snow_type_tert[width=22]	snow_thick_tert	temp_	temp_air	wind_speed	wind_dir	visib[width=10]	cloud_cover	weather_code	comments