ENSO Impacts on the United States

Previous ENSO Events El Niño Impacts on United States Climate El Niño Impacts State by State La Niña Impacts by Region El Niño's Influence on United States Precipitation Amounts El Niño, La Niña, Neutral - Snowfall for Selected Cities

Precipitation and Temperature

Daily Precipitation Analysis Daily Temperature Analysis United States Climate Maps Precipitation Time Series Temperature Time Series Station Precipitation/Temperature Data United States Temperature & Precipitation Trends U.S. Temperature Probability Distributions

Drought Monitoring & Soil Moisture

Current Palmer Drought Severity Index Map Palmer Drought Severity Index Map Archives 1998 1999 2000 2001 2002 2003 Current Palmer Drought Severity Index Percentiles Map (by Climate Divisions) Current Palmer Drought Severity Index Percentiles Map (by State) Additional Precipitation Needed to Bring Palmer Index to -0.5 Inches Current Crop Moisture Index Map (by Climate Divisions) Current Palmer Drought Severity & Crop Moisture Indices Data Palmer Drought Severity & Crop Moisture Indices Data for Last 3 Weeks Experimental Drought Indicator Blends  Topsoil Moisture Monitoring

Snow Cover

Previous ENSO Events Northern Hemisphere Daily Snow Cover Data Northern Hemisphere Snow Cover Experimental Daily NWS/Cooperative Observer Snow Depth and Snowfall Graphics and Data

Degree Days

United States Degree Days Maps (Most Recent Week) United States Degree Days Maps (Season-to-Date) Current Statistics (Projected and Observed) by Climate Regions Current Statistics (Projected and Observed) by Climate Regions (ASCII) Current and Archived Degree Day Data