Table 1 Results of Mann–Kendall trend test performed for phenology and temperature for the periods before 1998 and after 1998

From: No trends in spring and autumn phenology during the global warming hiatus

Data

Warming period (1982–1998)

Warming hiatus (1998–2014)

Slope

Intercept

p-Value

Slope

Intercept

p-Value

Phenology

GIMMS3g SOS

−0.337

789.9

0.007

−0.020

155.8

0.967

GIMMS3g EOS

0.256

−215.1

0.108

−0.027

349.5

0.902

Spring Tair

CRUTEM4

0.062

−122.1

0.003

0.047

−92.7

0.053

CRUTEM3

0.061

−121.8

0.004

0.013

−24.8

0.558

NOAA

0.058

−115.0

0.009

0.027

−52.3

0.149

Berkely_Earth

0.077

−153.1

0.003

0.046

−91.7

0.077

NASA-GISTEMP

0.062

−122.0

0.003

0.048

−96.0

0.064

Autumn Tair

CRUTEM4

0.045

−89.3

0.077

0.050

−99.4

0.015

CRUTEM3

0.046

−91.5

0.064

0.037

−73.4

0.017

NOAA

0.033

−65.1

0.174

0.031

−61.9

0.029

Berkely_Earth

0.051

−101.5

0.108

0.047

− 92.8

0.023

NASA-GISTEMP

0.049

−97.0

0.077

0.041

−80.8

0.019

Annual Tair

CRUTEM4

0.039

−77.5

0.003

0.020

−38.9

0.009

CRUTEM3

0.037

−73.1

0.006

0.007

−13.6

0.344

NOAA

0.035

−69.6

0.004

0.009

−18.1

0.044

Berkely_Earth

0.03

−69.2

0.007

0.031

−60.4

0.015

NASA-GISTEMP

0.022

−43.6

0.044

0.030

−60.0

0.004