IPCC AR4 Annual Extremes Variable Descriptions
Consecutive Dry Days
The maximum number of consecutive dry days in a year.Extreme Temp Range
The difference between the highest temperature of the year and the lowest.Frost Days
The annual total number of days with the minimum temperature below 0 degrees CGrowing Season Length
The number of days between the first 5 consecutive days of the year with the mean temperature above 5 degrees C, and the last 5 such days of the year.Heat Wave Duration Index
The maximum period for the year of at least 5 consecutive days with the maximum temperature at least 5 degrees C warmer than the daily climatology from the 20c3m 1961-1990 period.10mm Precip Days
The number of days in a year with precipitation greater than 10mm.Max 5 Day Precip
The maximum precipitation total for any 5 day period in a year.Precip Fraction Exceeding 95th Percentile
Fraction of the annual total precipitation due to events that exceed the 95th percentile of the daily climatological distribution from the 20c3m 1961-1990 period.Precip Intensity Index
The annual total of precipitation divided by the total number of wet days in a year.Warm Nights
The percentage of times in the year with the minimum temperature is warmer that the 90th percentile of the daily climatological distribution from the 20c3m 1961-1990 period.
This page is maintained by Jamie Scott
This page is maintained by Jamie Scott