Fog Frequency by WMO Station

Average annual and monthly number of days with fog for 22 nations

Thunder Frequency by WMO Station

Average annual and monthly number of days with thunder

Rain Frequency by WMO Station

Average annual and monthly number of days with rain for 28 nations

Snowfall Frequency by WMO Station

Average annual and monthly number of days with snowfall for 9 nations

Overcast Frequency by WMO Station

Average annual and monthly number of days without sunshine

Dust Frequency by WMO Station

Average annual and monthly number of days with dusty weather for Iran, Jordan, and Saudi Arabia

Wind Speed Measurements

Average daily wind speed at 12 meteorological stations in the Republic of Ireland 1961-1978