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
2025	1.7	1.4	0.9	3.3	4.2	1.6	2.7	-	-	-	-	-	2.3
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
Low	0.8	0.5	0.7	0.5	1.1	0.2	0.4	0.7	1.1	1.3	0.4	0.8	1.5
High	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	2.3	2.2	2.4	3.1	2.9	2.1	1.9	1.6	2.0

Maximum Hourly Rain: monthly average 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
2025	0.0	0.0	0.8	0.4	0.2	0.2	0.6	-	-	-	-	-	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
Low	0.0	0.0	0.2	0.2	0.0	0.0	0.0	0.2	0.0	0.0	0.2	0.0	0.0
High	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	0.5	0.3	0.3	0.4	0.4	0.5	0.4	0.3	0.3	0.3	0.2

Maximum Hourly Rain: lowest daily value in 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
2025	6.4	3.8	1.0	6.4	26.4	4.4	4.2	-	-	-	-	-	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
Low	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
High	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	3.8	3.3	7.1	7.2	7.9	9.9	9.2	7.2	6.3	4.4	17.0

Maximum Hourly Rain: highest daily value in each month for all months since 2009 in London, nw3