Monthly Data Tables - Maximum Rain Rate / mm/h

Weather Variable:

Monthly Mean Maximum Rain Rate
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	6	9	8	9	7	27	-	-	-	-	-	-	11
2025	16	4.7	3.0	10	31	11	7	14	18	21	9	8	13
2024	12	6	7	15	37	7	28	16	26	13	12	8	16
2023	9	1.9	7	8	11	36	9	22	29	12	7	4.9	13
2022	11	16	4.4	23	4.5	16	8	65	17	17	20	8	17
2021	6	6	5	1.0	7	7	25	11	17	19	3.8	6	10
2020	13	18	15	11	54	26	12	24	11	16	11	12	19
2019	10	3.7	8	4.0	17	17	8	19	21	19	4.3	10	12
2018	17	3.8	7	5	12	-	34	26	8	6	16	8	13
2017	9	9	14	14	23	28	28	27	15	15	8	12	17
2016	9	23	11	10	27	24	38	4.5	37	53	14	6	21
2015	11	8	14	14	15	24	21	24	30	22	21	26	19
2014	15	13	10	7	17	17	31	33	46	22	20	11	20
2013	9	7	3.8	6	8	18	21	36	8	24	6	14	13
2012	25	11	18	12	8	15	15	30	19	15	15	9	16
2011	12	4.7	2.8	-	20	13	25	20	20	15	6	10	13
2010	4.3	6	8	10	31	24	14	29	19	12	8	7	14
2009	-	-	-	11	10	28	14	17	18	3.0	-	3.2	13
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	4.3	1.9	2.8	1.0	4.5	7	7	4.5	8	3.0	3.8	3.2	10
Highest	25	23	18	23	54	36	38	65	46	53	21	26	21
Mean	12	9	9	10	19	20	20	25	21	18	11	10	15

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

Monthly Lowest Maximum Rain Rate
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	0.8	1.1	0.3	2.9	0.4	1.6	-	-	-	-	-	-	0.3
2025	1.8	0.4	2.9	4.8	4.8	1.8	0.2	4.8	0.7	0.8	0.5	2.1	0.2
2024	1.6	0.7	0.8	0.3	2.4	0.8	1.4	1.1	2.4	0.6	0.7	0.3	0.3
2023	1.3	0.3	0.5	0.3	2.9	2.1	0.3	1.0	7	0.3	0.4	0.3	0.3
2022	0.5	1.1	0.8	4.8	0.4	0.3	0.7	7	0	1.0	0.4	0	0
2021	0.3	2.1	1.2	1.0	0.3	1.6	0.7	0.3	1.1	1.4	0.5	0.3	0.3
2020	0.3	0.3	0.9	0.9	54	0.3	0.4	0.5	0.4	0.3	0.3	0.3	0.3
2019	0.3	1.0	0.3	0.8	1.1	0.8	1.3	2.2	0.4	0.2	0.4	0.8	0.2
2018	0.8	0.6	1.1	0.8	0.4	-	4.4	1.2	0.8	0.4	0.3	0.9	0.3
2017	0.5	0.4	3.0	5	0.7	3.0	1.2	3.0	0.4	1.7	1.3	0.4	0.4
2016	0.3	0.7	1.5	0.6	10	0.2	0.4	1.0	5	18	0.6	0.5	0.2
2015	0.6	1.1	0.3	2.2	0.4	11	0.4	0.3	1.5	1.8	0.4	0.6	0.3
2014	0.5	0.3	0.6	0.2	1.5	0.7	3.6	1.1	2.7	1.8	0.4	0.2	0.2
2013	0.3	0.3	0.5	0.5	0.4	0.8	1.1	0.4	0.9	0.7	0.4	1.4	0.3
2012	2.0	0.8	15	0.4	0.9	1.8	1.2	1.0	2.5	0.9	0.4	0.7	0.4
2011	0.8	1.6	1.6	-	1.5	1.3	1.0	0.9	0.6	1.8	0.7	0.5	0.5
2010	1.2	0.4	0.5	0.9	1.3	2.0	4.0	2.3	4.0	0.9	1.0	0.7	0.4
2009	-	-	-	0.5	0.6	0.9	0.3	0.3	3.8	2.7	-	0.6	0.3
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	0.3	0.3	0.3	0.2	0.3	0.2	0.2	0.3	0	0.2	0.3	0	0
Highest	2.0	2.1	15	5	54	11	4.4	7	7	18	1.3	2.1	0.5
Mean	0.8	0.8	1.9	1.6	4.7	1.8	1.3	1.7	2.0	2.1	0.5	0.6	0.3

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

Monthly Highest Maximum Rain Rate
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	14	36	36	14	24	84	-	-	-	-	-	-	84
2025	54	24	3.0	14	96	24	15	24	36	108	24	24	108
2024	30	30	14	54	100	14	72	60	72	48	30	42	100
2023	30	3.6	30	30	30	120	42	84	42	30	30	42	120
2022	30	60	14	42	14	90	14	114	72	96	114	30	114
2021	18	14	14	1.0	14	14	102	42	60	42	7	14	102
2020	30	66	36	30	54	102	24	100	24	30	36	24	102
2019	53	7	53	7	26	92	13	79	92	92	13	40	92
2018	66	13	40	13	40	-	66	119	26	13	66	26	119
2017	36	48	36	24	100	60	80	66	53	40	26	40	100
2016	42	162	24	42	54	102	126	11	120	120	54	18	162
2015	42	18	30	42	78	42	72	54	54	66	54	126	126
2014	60	60	36	20	54	42	102	90	126	54	90	30	126
2013	30	20	17	17	25	90	60	90	42	108	36	54	108
2012	120	30	25	40	20	50	40	100	60	76	40	36	120
2011	40	15	5	-	80	50	60	60	100	50	15	30	100
2010	16	30	30	30	60	60	30	65	50	30	30	20	65
2009	-	-	-	33	33	96	49	66	33	3.3	-	8	96
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	14	3.6	3.0	1.0	14	14	13	11	24	3.3	7	8	65
Highest	120	162	53	54	100	120	126	119	126	120	114	126	162
Mean	42	37	26	27	50	67	57	72	62	59	42	36	108

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