Ontario Climdex

Indices

The Ontario AR6 Climate Extremes Indices represent annual or monthly statistics of modeled climate data spanning from 1980 to 2099. These indices are derived from downscaled PCIC CanDCS-M6 data, incorporating three SSPs and 26 models.The reference period for calculating the percentage-related index is 1981 to 2010, instead of 1961 to 1990.

Heat and cold

FD
SU
ID
TR
GSL
TXx
TNx
TXn
TNn
TN10p
TX10p
TN90p
TX90p
WSDI
CSDI
DTR
ETR
CDDcoldn
GDDgrown
HDDheatn
TMge5
TMlt5
TMge10
TMlt10
TMm
TXm
TNm
TXge30
TXge35
TXgt50p
TNlt2
TNltm2
TNltm20
TXbdTNbd

Heat and cold waves

HWN
HWF
HWD
HWA
CWN_ECF
CWF_ECF
CWD_ECF
CWM_ECF
CWA_ECF

Precipitation

Rx1day
Rx5day
SPI
SPEI
SDII
R10mm
R20mm
Rnnmm
CDD
CWD
R95p
R99p
R95pTOT
R99pTOT
PRCPTOT

Reference

1. PCIC Data Portal: https://data.pacificclimate.org/portal/downscaled_cmip6_multi/map/

2. Definations of Climate Extreme Indexes

3. Climdex: https://www.climdex.org/

4. Definitions of the core climate extreme indices (Climdex): https://climate-scenarios.canada.ca/?page=climdex-indices

5. Extreme Weather Indices: https://agriculture.canada.ca/en/agricultural-production/weather/extreme-weather-indices#a10

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