If you are unsure about your city's latitude and longitude, look it up online! In the USA try entering your zip code in the box below or visit the U.S. Gazetteer. Outside the USA try the Getty Thesaurus. Search for a place in the USA by Zip Code:
Enter Location: (latitude 90S to 90N, longitude 180W to 180E). See Instructions for details.
Start Date (1900-2010): Year: Month (1-12): Day (1-31):
End Date (same as starting date for a single day) (1900-2010): Year: Month (1-12): Day (1-31):
For multiple years, enter step size in years:
Elevation (0-600 km):
For more information, visit: Answers to some frequently asked questions | Instructions for use | Today's Space Weather
