TABLE 1 Trends of temperature (°C/100 years) for Annual and Three-Month Mean Maximum Temperature, Minimum Temperature, and Diurnal Temperature Range, Based on a Weighted Average of the Region (by country) in Figure 1.

Alaska 1951-1990

(39 stations)

Japan 1951-1990

(66 stations)

Seasons

Max

Min

DTR

Seasons

Max

Min

DTR

D-J-F

6.0

8.8

-2.8

D-J-F

-0.5

-0.2

-0.2

M-A-M

3.1

6.3

-3.2

M-A-M

-0.4

-0.7

0.3

J-J-A

0.9

2.4*

-1.5

J-J-A

0.5

0.0

0.4

S-O-N

-1.4

0.4

-1.9*

S-O-N

-0.3

-0.5

0.2

Annual

2.1

4.5

-2.4

Annual

-0.2*

-0.4

0.2

Canada 1951-1990

(227 stations)

People's Republic of China 1951-1988

(44 stations)

Seasons

Max

Min

DTR

Seasons

Max

Min

DTR

D-J-F

1.8

2.1

-0.2

D-J-F

0.5

3.5

-3.0

M-A-M

3.7

3.8

-0.1

M-A-M

-0.8

1.4

-2.2

J-J-A

0.5

1.4

-0.9

J-J-A

-1.8

-0.8*

-1.0

S-O-N

-2.2

-1.2

-1.0

S-O-N

-0.6

1.0

-1.6

Annual

0.9

1.5

-0.6*

Annual

-0.7*

1.3

-2.0*

United States (contiguous) 1951-1990

(494 stations)

South Africa 1951-1991

(12 stations)

Seasons

Max

Min

DTR

Seasons

Max

Min

DTR

D-J-F

-2.3

-0.7

-1.5

D-J-F

0.8

2.0

-1.2

M-A-M

2.3

2.5

-0.2

M-A-M

2.2

1.7

0.5

J-J-A

-0.3*

1.0*

-1.4

J-J-A

1.3

1.3

0.0

S-O-N

-1.7

1.3

-3.0

S-O-N

-0.7

1.8

-2.4

Annual

-0.6*

1.0

-1.5

Annual

0.9

1.7*

-0.8*

Sudan 1951-1987

(15 stations)

Eastern Australia 1951-1991

(44 stations)

Seasons

Max

Min

DTR

Seasons

Max

Min

DTR

D-J-F

-1.2

2.7

-3.9*

D-J-F

1.8

2.3

-0.4

M-A-M

0.4

3.3

-2.8

M-A-M

1.6

2.8

-1.2

J-J-A

2.8

2.1

0.7

J-J-A

0.8

1.4

-0.5

S-O-N

1.4

2.5

-1.1

S-O-N

1.3

2.2

-0.9

Annual

0.9

2.7

-1.7

Annual

1.4

2.2

-0.7

USSR (former) 1951-1990

(165 stations)

 

 

Seasons

Max

Min

DTR

 

 

 

 

D-J-F

2.8

4.2

-1.3

 

 

 

 

M-A-M

2.5

3.8

-1.2

 

 

 

 

J-J-A

-0.4*

0.9*

-1.3

 

 

 

 

S-O-N

0.6

2.2

-1.6

 

 

 

 

Annual

1.4

2.8

-1.4

 

 

Key: Trends significant at the .01 level (two-tailed t-test) are bold and italicized

Trends significant at the .05 level are italicized

Trends with significant change points are denoted with an asterisk



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