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Monthly Data Tables - Mean Rain Rate / mm/h

Total Max hour Max 10-min Max rate Mean rate Wet hours Wet % of day

Monthly

Mean Lowest Highest

Start year

1871 1910 1950 1980 2000 2009 2020

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Monthly Mean Mean Rain Rate

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

1.3

1.3

1.0

1.2

1.4

1.1

1.2

0.9

1.2

1.3

1.1

1.1

1.5

1.1

1.2

1.3

1.3

1.4

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Lowest

0.7

0.5

0.6

0.5

0.8

0.6

0.6

0.9

0.8

0.9

0.5

0.6

0.9

Highest

1.3

1.0

1.5

1.6

3.8

4.4

2.9

5

3.9

2.0

1.4

1.5

1.5

Mean

1.0

0.8

0.9

0.9

1.4

1.6

1.5

1.8

1.6

1.3

1.0

0.9

1.2

Mean Rain Rate: monthly means for all months since 2009 in London, NW3. Data for Mean Rain Rate begins in 2009.

Monthly Lowest Mean Rain Rate

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

0.2

0.1

0.2

0.2

0.2

0.1

0.2

0.2

0.2

0.1

0.2

0.1

0.1

0.1

0.1

0.2

0.2

0.2

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Lowest

0.1

0.1

0.1

0.1

0.2

0.1

0.2

0.2

0.2

0.2

0.2

0.1

0.1

Highest

0.4

0.5

0.8

1.1

2.6

1.0

1.0

1.8

1.9

0.6

0.5

0.6

0.2

Mean

0.3

0.3

0.4

0.4

0.5

0.5

0.4

0.5

0.6

0.3

0.3

0.3

0.2

Mean Rain Rate: lowest daily value each month for all months since 2009 in London, NW3. Data for Mean Rain Rate begins in 2009.

Monthly Highest Mean Rain Rate

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

16

19

4.2

14

9

5

9

4.8

6

9

6

7

15

6

8

6

5

12

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Lowest

1.5

0.7

0.9

0.5

1.2

0.9

0.7

1.8

2.0

1.8

1.0

0.9

4.2

Highest

6

3.0

7

4.0

19

16

9

9

15

6

8

3.8

19

Mean

2.5

1.7

2.2

2.0

3.8

5

3.7

4.8

3.9

3.5

2.5

2.2

9

Mean Rain Rate: highest daily value each month for all months since 2009 in London, NW3. Data for Mean Rain Rate begins in 2009.