Various federal, national and regional organizations.
MRCC Climate Watch, Great Lakes Water Level Dashboard, NOAA's Global Climate Dashboard, and NCDC State of the Climate pages.
Maps, Graphs and Tools
Regional Climate Center, NOAA, USDA, and CoCoRaHS tools, graphs and maps.
Notable Climate Events
Historical climate and weather events from the weather on your birthday to NCEI storms database and historical non-fiction from the 1800s and early 1900s.
NOAA Atlas 14: Precipitation Frequency
The Precipitation Frequency Data Server (PFDS) is an interface developed to deliver NOAA Atlas 14 rpecipitation frequency estimates and associated information.