Data Methods
Data methods explain how each climate variable in Cal-Adapt is calculated, from the original climate model output to the transformed data product that you see in our tools. Search for a variable or browse by topic to see the data used, the calculation steps, and what the results mean.
7 topics
Extreme Heat Days & Warm Nights
Extreme heatAnnual frequency of high daytime maximum and overnight low temperatures
Extreme Heat Season
Extreme heatTime of year when extreme heat tends to occur
Extreme Precipitation
PrecipitationDaily accumulation threshold for highest precipitation days
Fire Weather
WildfireAnnual count of days with fire weather potential
Heat Waves
Extreme heatMetrics for the frequency and length of heat waves
Heating & Cooling Degree Days
Energy demandMetrics that reflect heating and cooling energy demand
Solar & Wind Resource Droughts
Renewable energyDays of reduced solar and wind energy generation potential