Monthly Data Tables - Maximum Hourly Rain / mm

Weather Variable:

Monthly Mean Maximum Hourly Rain
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	1.7	1.7	1.8	0.6	0.8	4.2	-	-	-	-	-	-	1.8
2025	1.7	1.4	0.9	3.3	4.2	1.6	2.5	1.5	1.7	2.7	1.6	1.8	2.1
2024	1.8	1.2	1.5	1.6	2.7	0.7	3.8	2.0	4.3	1.8	2.6	1.2	2.1
2023	1.3	0.5	1.5	1.5	1.7	6.0	1.7	2.3	3.2	2.5	2.0	1.2	2.1
2022	0.8	1.5	0.7	2.0	1.1	1.6	0.4	10.3	2.2	1.9	3.4	1.1	2.3
2021	1.5	1.3	1.2	0.8	1.8	2.7	3.8	1.5	2.7	2.9	0.4	1.9	1.9
2020	1.6	1.7	1.4	1.7	1.9	1.6	1.0	2.3	1.1	1.7	0.9	1.4	1.5
2019	1.7	1.6	1.6	0.7	1.4	1.7	2.0	1.8	2.6	2.4	1.1	2.1	1.7
2018	1.7	1.1	1.5	1.2	2.2	0.2	5.3	2.7	2.1	2.0	2.0	1.6	2.0
2017	1.7	1.0	2.1	0.9	2.5	2.2	3.4	4.3	1.7	1.4	1.8	2.5	2.1
2016	1.5	1.6	1.9	1.4	2.5	2.3	2.4	0.7	2.9	2.8	1.8	0.8	1.9
2015	1.4	1.3	1.2	1.4	2.0	1.3	1.7	2.8	2.6	2.8	1.8	1.4	1.8
2014	2.1	1.9	1.8	1.5	1.5	1.7	2.8	4.9	5.9	2.2	2.5	1.2	2.5
2013	1.1	1.1	1.2	1.4	1.6	1.6	2.6	3.2	1.7	2.6	1.5	2.3	1.8
2012	2.4	1.0	3.2	1.9	1.9	2.2	2.0	2.0	2.5	1.9	2.4	1.9	2.1
2011	2.2	1.5	1.2	0.5	2.2	2.8	2.3	3.1	3.4	1.3	2.0	1.6	2.0
2010	1.1	1.7	1.1	1.6	5.5	2.6	1.3	3.1	3.4	2.6	1.3	1.1	2.2
2009	2.4	1.5	2.0	1.2	1.7	4.9	1.7	2.2	3.8	1.5	2.6	1.6	2.3
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	0.8	0.5	0.7	0.5	0.8	0.2	0.4	0.7	1.1	1.3	0.4	0.8	1.5
Highest	2.4	1.9	3.2	3.3	5.5	6.0	5.3	10.3	5.9	2.9	3.4	2.5	2.5
Mean	1.7	1.4	1.5	1.4	2.2	2.3	2.4	3.0	2.8	2.2	1.8	1.6	2.0

Maximum Hourly Rain: monthly means for all months since 2009 in London, NW3.

Monthly Lowest Maximum Hourly Rain
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	0.0	0.0	0.2	0.2	0.2	0.2	-	-	-	-	-	-	0.0
2025	0.0	0.0	0.8	0.4	0.2	0.2	0.4	0.2	0.0	0.0	0.0	0.2	0.0
2024	0.2	0.0	0.2	0.2	0.3	0.2	0.2	0.2	0.2	0.0	0.2	0.2	0.0
2023	0.2	0.2	0.2	0.2	0.2	1.6	0.2	0.2	0.2	0.3	0.3	0.2	0.2
2022	0.0	0.2	0.2	1.0	0.2	0.0	0.2	3.4	0.0	0.2	0.2	0.0	0.0
2021	0.0	0.0	0.2	0.5	0.0	0.2	0.0	0.2	0.3	0.2	0.2	0.5	0.0
2020	0.4	0.0	0.2	0.2	0.2	0.2	0.0	0.2	0.2	0.2	0.2	0.2	0.0
2019	0.2	0.2	0.2	0.2	0.2	0.2	0.9	0.2	0.2	0.2	0.2	0.4	0.2
2018	0.2	0.2	0.2	0.2	0.4	0.2	1.3	0.2	0.7	0.2	0.2	0.2	0.2
2017	0.2	0.2	0.3	0.7	0.5	0.3	0.2	0.3	0.2	0.2	0.2	0.4	0.2
2016	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.7	0.2	0.2	0.2	0.2
2015	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3	1.3	0.2	0.2	0.2
2014	0.3	0.3	0.6	0.2	0.2	0.2	0.2	0.6	1.1	0.2	0.2	0.2	0.2
2013	0.3	0.3	0.3	0.3	0.2	0.7	0.6	0.2	0.3	0.3	0.3	0.9	0.2
2012	0.3	0.6	2.6	0.3	0.3	0.3	0.3	0.3	0.6	0.3	0.3	0.3	0.3
2011	0.3	0.5	0.8	0.5	0.5	0.5	0.8	0.3	0.3	0.5	0.5	0.3	0.3
2010	0.3	0.3	0.3	0.3	1.1	1.4	0.3	0.3	0.8	0.3	0.8	0.3	0.3
2009	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.5	0.3	0.3	0.3	0.3
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	0.0	0.0	0.2	0.2	0.0	0.0	0.0	0.2	0.0	0.0	0.0	0.0	0.0
Highest	0.4	0.6	2.6	1.0	1.1	1.6	1.3	3.4	1.1	1.3	0.8	0.9	0.3
Mean	0.2	0.2	0.4	0.3	0.3	0.4	0.4	0.4	0.4	0.3	0.3	0.3	0.2

Maximum Hourly Rain: lowest daily value each month for all months since 2009 in London, NW3.

Monthly Highest Maximum Hourly Rain
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	5.6	5.0	7.2	1.0	2.2	32.0	-	-	-	-	-	-	32.0
2025	6.4	3.8	1.0	6.4	26.4	4.4	5.4	7.0	4.8	10.8	5.2	3.8	26.4
2024	4.6	4.6	4.8	5.1	6.6	1.4	14.4	7.0	16.5	8.7	8.7	4.6	16.5
2023	3.1	1.2	4.6	4.8	4.3	13.9	5.0	7.7	9.2	5.3	7.4	5.0	13.9
2022	3.4	6.2	2.7	2.9	2.2	6.8	0.7	23.1	5.0	8.8	18.5	6.3	23.1
2021	4.6	6.2	3.4	1.0	5.6	6.0	25.5	5.0	6.9	11.0	1.2	4.6	25.5
2020	4.4	5.0	3.3	4.6	3.5	8.2	2.2	10.0	3.1	5.5	4.9	4.2	10.0
2019	5.3	3.5	4.2	1.5	4.2	4.6	4.0	4.8	10.3	10.8	5.1	5.9	10.8
2018	5.7	2.4	3.5	2.6	8.1	0.2	13.4	7.5	5.5	6.4	5.7	4.6	13.4
2017	4.6	5.6	8.5	1.1	8.0	5.6	16.0	11.2	5.5	4.0	5.1	5.1	16.0
2016	8.2	10.7	5.0	6.9	8.1	11.5	7.4	2.2	11.4	7.7	5.1	2.8	11.5
2015	4.8	2.2	3.2	2.6	7.5	2.9	11.2	9.3	7.0	6.7	4.3	4.5	11.2
2014	5.8	4.6	3.1	3.0	3.2	3.8	6.3	23.3	18.7	6.4	11.5	3.2	23.3
2013	2.3	1.9	3.4	2.9	4.9	2.7	4.6	9.2	9.0	8.5	4.6	4.2	9.2
2012	7.0	1.7	4.1	4.9	4.9	4.8	7.1	14.1	6.4	7.7	5.7	4.1	14.1
2011	5.5	3.0	1.4	0.5	5.2	8.5	4.6	9.3	18.4	2.7	5.0	5.3	18.4
2010	2.2	3.6	1.9	3.0	13.1	3.5	1.9	5.5	6.8	11.2	1.9	2.2	13.1
2009	7.0	3.0	6.0	2.8	4.4	33.3	5.5	9.9	7.4	4.1	6.8	4.4	33.3
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	2.2	1.2	1.0	0.5	2.2	0.2	0.7	2.2	3.1	2.7	1.2	2.2	9.2
Highest	8.2	10.7	8.5	6.9	26.4	33.3	25.5	23.3	18.7	11.2	18.5	6.3	33.3
Mean	5.0	4.1	4.0	3.2	6.8	8.6	8.0	9.8	8.9	7.4	6.3	4.4	17.9

Maximum Hourly Rain: highest daily value each month for all months since 2009 in London, NW3.