Monthly Data Tables - Maximum 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

Monthly Mean Maximum Rain Rate

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Lowest

1.9

3.0

1.0

4.5

3.8

4.9

Highest

Mean

Maximum Rain Rate: monthly means for all months since 2020 in London, NW3. Data for Maximum Rain Rate begins in 2009.

Monthly Lowest Maximum Rain Rate

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

0.3

0.2

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Lowest

0.3

0.2

0.3

Highest

1.8

2.1

2.9

4.8

2.1

1.4

0.7

2.1

0.3

Mean

0.9

1.1

2.1

1.2

0.6

2.5

2.0

0.7

0.5

0.2

Maximum Rain Rate: lowest daily value each month for all months since 2020 in London, NW3. Data for Maximum Rain Rate begins in 2009.

Monthly Highest Maximum Rain Rate

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

102

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Lowest

3.6

3.0

1.0

Highest

100

120

102

114

108

114

120

Mean

104

Maximum Rain Rate: highest daily value each month for all months since 2020 in London, NW3. Data for Maximum Rain Rate begins in 2009.