Historical extreme high daytime temperatures. The extreme high temperature is defined as the 95th percentile of daily maximum temperatures occurring in each year. Geographic units: HUC10.

These data are part of a set that includes historical (1970-1999) values plus two projections each for two future time periods, 2050s (2040-2069) and 2080s (2070-2099), based on lower and higher greenhouse gas emission scenarios, RCP 4.5 and RCP 8.5.

When rendered and displayed in Map Viewer (web map): Data
classes and symbology by Robert Norheim, Climate Impacts Group, based
on the CMIP5 projections used in the IPCC 2013 report.

Data source: Mote
et al. 2015.

Historical total winter (Oct-Mar) precipitation. Geographic units: HUC10.

These data are part of a set that includes historical
(1970-1999) values plus two projections each for two future time
periods, 2050s (2040-2069) and 2080s (2070-2099), based on lower and
higher greenhouse gas emission scenarios, RCP 4.5 and RCP 8.5.

When rendered and displayed in Map Viewer (web map): Data
classes and symbology by Robert Norheim, Climate Impacts Group, based
on the CMIP5 projections used in the IPCC 2013 report.

Data source: Mote
et al. 2015.

Historical total summer (Apr-Sep) precipitation. Geographic units: HUC10.

These data are part of a set that includes historical
(1970-1999) values plus two projections each for two future time
periods, 2050s (2040-2069) and 2080s (2070-2099), based on lower and
higher greenhouse gas emission scenarios, RCP 4.5 and RCP 8.5.

When rendered and displayed in Map Viewer (web map): Data
classes and symbology by Robert Norheim, Climate Impacts Group, based
on the CMIP5 projections used in the IPCC 2013 report.

Data source: Mote
et al. 2015.

Historical growing degree days (GDD), a measure of heat accumulation in plants which indicates cumulative seasonal warming above a base temperature of 50°F. Geographic units: HUC10.

These data are part of a set that includes historical (1970-1999) values plus two projections each for two future time periods, 2050s (2040-2069) and 2080s (2070-2099), based on lower and higher greenhouse gas emission scenarios, RCP 4.5 and RCP 8.5.

When rendered and displayed in Map Viewer (web map): Data classes and symbology by Robert Norheim, Climate Impacts Group, based on the CMIP5 projections used in the IPCC 2013 report.

Data source: Mote et al. 2015.

Historical average summer (Jun-Aug) temperature in °F. Geographic units: HUC10.

These data are part of a set that includes historical (1970-1999) values plus two projections each for two future time periods, 2050s (2040-2069) and
2080s (2070-2099), based on lower and higher greenhouse gas emission scenarios, RCP 4.5 and RCP 8.5.

When rendered and displayed in Map Viewer (web map): Data classes and symbology by Robert Norheim, Climate Impacts Group, based on the CMIP5 projections used in the IPCC 2013 report.

Data source: Mote et al. 2015.

Historical maximum 24-hour precipitation. Geographic units: HUC10.

These data are part of a set that includes historical
(1970-1999) values plus two projections each for two future time
periods, 2050s (2040-2069) and 2080s (2070-2099), based on lower and
higher greenhouse gas emission scenarios, RCP 4.5 and RCP 8.5.

When rendered and displayed in Map Viewer (web map): Data
classes and symbology by Robert Norheim, Climate Impacts Group, based
on the CMIP5 projections used in the IPCC 2013 report.

Data source: Mote
et al. 2015.