Atlas layout (recommended)
origin: top-left

Cell

	

Suggested ID




R0 C0

	

sunny




R0 C1

	

mostly_sunny




R0 C2

	

partly_cloudy




R0 C3

	

cloudy




R0 C4

	

fog




R0 C5

	

haze




R1 C0

	

slight_rain




R1 C1

	

rain




R1 C2

	

heavy_rain




R1 C3

	

showers




R1 C4

	

rain_drizzle




R1 C5

	

light_rain




R2 C0

	

thunderstorm




R2 C1

	

heavy_tstorm




R2 C2

	

tstorm




R2 C3

	

isolated_tstorm




R2 C4

	

scattered_tstorms




R2 C5

	

hail




R3 C0

	

rain_snow




R3 C1

	

snow




R3 C2

	

heavy_snow




R3 C3

	

snow_showers




R3 C4

	

flurries




R3 C5

	

windy




R4 C0

	

clear_night




R4 C1

	

mostly_clear_night




R4 C2

	

partly_cloudy_night




R4 C3

	

cloudy_night




R4 C4

	

showers_night




R4 C5

	

tstorm_night

R = row, C = column, both zero-based. So R2 C4 means row 2, column 4.