CNAP Climate Tools


Climate monitoring and data access for the state of California

California Climate Tracker

Statewide and regional temperature and precipitation maps and
time series graphics based.

Climate Outcome Likelihood tool

Determine the likelihood of recovering a precipitation deficit or reaching a
precipitation threshold during some future period based on historic station data.

Great Basin Dashboard

Many sources of weather and climate information pertinent to
the Great Basin in one convenient location

Nevada Climate Tracker

Statewide temperature and precipitation maps and time series graphics.


Access to climatological and meteorological data and information for areas in
and around the Lake Tahoe Basin, CA and NV

Westwide Drought Tracker

Statewide and regional maps and time series graphs of temperature,
precipitation and drought indices based on the PRISM dataset.

Useful Weather and Climate Tools


Find the latest precipitation, streamflow, freezing level forecasts
and verification for California and Nevada


Find the latest extreme precipitation and AR forecasts and updates


Graph future climate scenarios and projections using the LOCA downscaled climate projections
and other data sets used in the CA 4th Climate Assessment.

Climate Engine

Map number climatological variables at self-selected spatial and temporal resolution

ESRL Mapping Page

Look at the current status of climate oscillations, sea surface temperatures
and other large scale weather and climate features

Evaporative Demand Drought Index (EDDI)

A drought monitoring tool that shows evaporative demand anomalies


Learn all about the climate and weather data achieved by NOAA at NCEI
(National Center for Environmental Information.


Find a wealth of climate data that from stations, gridded data and remote sensing.