Current and Anticipated Precipitation Anomalies over the U.S.
Precipitation, Percent of Normal: Last 15, 30, 60 and 90 Days
Current daily precipitation data used in these plots is courtesy of the Climate Prediction Center (W. Higgins and W. Shi). These plots are updated everyday at about 4pm (MST), with data through 12 UTC the previous day. NOTE: the climatology for this dataset is a 16 year average, 1995-2010. Caution should be used in interpretting these plots in mountainous regions.
Regional Accumulated Daily Precipitation
By clicking at a point on the map below, a line plot of accumulated daily precipitation is returned. Precipitation is averaged over the 2x2 degree box containing that point. The user can specify the start date for the accumulation. The ending date will be the most recent date for which data is available, typically within 1-2 days of the current date.
- Monthly Standardized Precipitation Index (SPI) maps for the United States (from Western Regional Climate Center, Reno, NV).
- Recent surface observations and upper air observations over the United States are contained on related pages.
- Forecasts from 2 weeks to 3 months in the future are shown. Long-range forecasts (1 month and greater) are influenced by sea surface temperatures in the tropical Pacific Ocean.
- The Drought Monitor, depicts current drought conditions across the U.S. A cooperative effort between the National Drought Mitigation Center, NOAA and the U.S. Dept of Agriculture, the Drought Monitor is updated every Thursday.
SNOTEL snow water equivalent map for the Western U.S.,
from the Western Regional Climate Center in Reno, NV.
- U.S. Geological Survey, Daily Streamflow Map.