Data Format - columns with single space separation

Column 1 - X Wind Speed, UWND, m/s, 23 levels, 30 grids per level
Column 2 - Y Wind Speed, VWND, m/s, 23 levels, 30 grids per level
Column 3 - Air Temperature, TMPU, K, 23 levels, 30 grids per level
Column 4 - Humidity, SPHU, g/kg, 23 levels, 30 grids per level
Column 5 - Precipitation, PREACC, mm/day, 1 level, 30 grids per level
Column 6 - Surface Temperature, TS, K, 1 level, 30 grids per level