Recent and historical weather data customized to meet your needs
View our most recent webinar:
Dreaming of a White Christmas?
White Christmas Probabilities … read full story
We appreciate any feedback: firstname.lastname@example.org
These maps, which are produced by the Applied Climate Information System (ACIS), show recent precipitation and temperature patterns on a regional or nationwide basis. Normals used on the departure and percent of normal maps are for the period 1981-2010. The Standardized Precipitation Index (SPI) is negative for dry conditions and positive for wet conditions.