Near-Earth Comets

J2000 heliocentric ecliptic orbital elements of 160 Near-Earth Comets

US Coal Fields

This dataset represents coal fields in Alaska and the conterminous United States.

Sample Data: US Earthquakes

Earthquakes in the U.S. from July 28th, 1789 to March 24th, 2010

Thunder Frequency by WMO Station

Average annual and monthly number of days with thunder

Bortle scale

Numeric scale that measures the night sky's brightness

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

NASA GISTEMP Global Means

Global-mean monthly, seasonal, and annual temperatures since 1880

Wind Speed Measurements

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

National Science Foundation Grants - 2015

Data on National Science Foundation grants and associated investigators and institutions awarded in the year 2015

NASA GISTEMP Global Means dTs

Global-mean monthly, seasonal, and annual temperatures (dTs) since 1880