Daily Data Tables - Maximum Rain Rate / mm/h
Start year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
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0.5
0.6
0.9
0.3
0.3
3.8
2.7
---
0.6
Highest
---
---
---
33
33
96
49
66
33
3.3
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8
Mean
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---
---
11
10
28
14
17
18
3.0
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3.2
Cumul
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---
---
11
11
17
15
16
16
15
15
14
Maximum Rain Rate in London, NW3, for every available day of 2009 along with monthly summary: lowest, highest, mean, and the cumulative value for the year to the month's end. Data for Maximum Rain Rate begins in 2009.
Highest instantaneous rain rate (1-min avg) recorded during the day (midnight to midnight, local time).