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Table 2 Weather descriptives for the Republic of Ireland and Northern Ireland between 1984 and 2007

From: The association of cold weather and all-cause and cause-specific mortality in the island of Ireland between 1984 and 2007

 

Republic of Ireland

Northern Ireland

Season

Temperature*

Mean ± SD

Percentiles

Mean ± SD

Percentiles

99th

90th

10th

1st

99th

90th

10th

1st

All year

Mean

9.7 ± 4.4

19.0

15.4

4.1

0.4

9.1 ± 4.4

18.6

15.2

3.4

0.0

Minimum

6.3 ± 4.4

15.2

12.1

0.6

−3.5

5.9 ± 4.5

15.0

11.9

0.0

−3.9

Maximum

13.0 ± 4.8

24.1

19.4

7.0

3.1

12.4 ± 4.9

23.5

18.9

6.1

2.5

Summer§

Mean

14.7 ± 2.3

20.5

17.8

11.9

9.4

14.4 ± 2.4

20.1

17.5

11.4

8.9

Minimum

10.9 ± 2.6

16.5

14.0

7.6

4.3

10.6 ± 2.7

16.2

13.9

7.1

3.6

Maximum

18.6 ± 2.8

26.4

22.3

15.2

12.6

18.1 ± 2.8

25.7

21.9

14.7

12.0

Winter Months†

Mean

5.8 ± 2.9

11.8

9.5

2.0

−1.1

4.9 ± 2.7

10.7

8.3

1.5

−1.4

Minimum

3.1 ± 3.3

10.3

7.4

−1.2

−4.9

2.2 ± 3.2

9.5

6.4

−1.8

−5.6

Maximum

8.6 ± 2.8

13.9

12.0

4.8

1.5

7.6 ± 2.7

13.2

11.1

4.0

1.0

Cold Period‡

Mean

7.0 ± 3.2

14.4

11.1

2.9

−0.4

6.3 ± 3.2

14.0

10.5

2.3

−0.8

Minimum

4.1 ± 3.7

16.0

8.8

−0.5

−4.4

3.4 ± 3.6

12.0

8.3

−1.0

−4.9

Maximum

10.0 ± 3.2

17.4

14.0

5.7

2.2

9.1 ± 3.3

16.7

13.2

4.9

1.7

  1. Abbreviations: SD = standard deviation, *in degrees Celsius (°C), §Summer = June to August, †Winter Months = December to February, and ‡Cold Period = October to March.