time (h), longitude (), latitude (), surface_mass_per_area (kg/m2), presence_probability (%), particles_per_cell (-)
    4.00,     1.0500000,   38.9333333,                        0.0000,                     0.20,                      2
    4.00,     1.0500000,   38.9375000,                        0.0001,                     0.60,                      6
