Table 5 Mutation point test of extreme climate indices.

From: The response of meteorological drought to extreme climate in the water-receiving area of the Tao river diversion project in China

Norm

Coding

Sequential Mann–Kendall test

Summer Days

SU

1991

Cold Nights

TN10p

1994

Cold Days

TX10p

1990

Warm Nights

TN90p

1999

Warm Days

TX90p

1996

Warm Spell Duration Index

WSDI

2010

Cold Spell Duration Index

CSDI

1989

Simple Daily Intensity Index

SDII

2008

Days with Precipitation ≥ 20mm

R20mm

2016

Consecutive Wet Days

CWD

1991

Total Precipitation on Very Wet Days

R95pTOT

2007

Annual total precipitation

PRCPTOT

2015