Monthly Report for May 2018

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	9.3 °C (+0.3)	3.2 °C	14.9 °C	08:20
Maximum Temperature	20.4 °C (+2.6)	13.6 °C	27.8 °C	15:47
Mean Temperature	14.9 °C (+1.4)	9.2 °C	20.7 °C
Minimum Humidity	50%	28%	85%	14:53
Maximum Humidity	90%	73%	97%	07:46
Mean Humidity	71%	54%	92%
Minimum Pressure	1016 hPa	1003 hPa	1027 hPa	12:01
Maximum Pressure	1021 hPa	1012 hPa	1030 hPa	11:45
Mean Pressure	1019 hPa	1007 hPa	1028 hPa
Mean Wind Speed	3.8 mph (-0.9)	1.6 mph	7.4 mph
Maximum Wind Speed	11.2 mph	7.0 mph	16.7 mph	13:32
Maximum Gust	18.2 mph	10.4 mph	26.5 mph	12:15
Mean Wind Direction	136° [SE]	5° [N]	349° [N]
Rainfall	38.7 mm (84%)	0.0 mm	16.3 mm
Maximum Hourly Rain	2.2 mm	0.4 mm	8.1 mm	11:22
Maximum 10-min Rain	1.0 mm	0.2 mm	2.9 mm	11:23
Maximum Rain Rate	12 mm/h	0.4 mm/h	40 mm/h	11:24
Minimum Dew Point	6.6 °C	-0.2 °C	14.2 °C	07:30
Maximum Dew Point	12.0 °C	5.3 °C	19.8 °C	15:02
Mean Dew Point	9.1 °C	2.5 °C	16.1 °C
Night Minimum (21-09)	9.5 °C	3.2 °C	14.9 °C	05:14
Day Maximum (09-21)	20.4 °C	13.6 °C	27.8 °C	15:48
Max 10m Temp Rise	0.7 °C	0.3 °C	1.3 °C	09:49
Max 1hr Temp Rise	2.8 °C	1.1 °C	4.8 °C	09:22
Max 1hr Hum Rise	10%	4%	16%	16:47
Max 10m Temp Fall	0.6 °C	0.3 °C	2.4 °C	16:56
Max 1hr Temp Fall	2.0 °C	1.2 °C	3.3 °C	18:21
Max 1hr Hum Fall	14%	4%	24%	10:30
Max 10m Wind Speed	8.3 mph	4.8 mph	13.8 mph	13:47
Minimum Feels-like	9.0 °C	-0.9 °C	18.3 °C	07:40
Maximum Feels-like	22.5 °C	14.6 °C	33.7 °C	15:31
Mean Feels-like	16.0 °C	7.8 °C	25.4 °C
Air-frost Hrs	0 hrs	0 hrs	0 hrs
Minimum PM2.5	0.0 µg/m³	0.0 µg/m³	0.0 µg/m³	n/a
Maximum PM2.5	n/a	n/a	n/a
Mean PM2.5	n/a	n/a	n/a
Temperature Range	11.2 °C (+2.4)	3.8 °C	18.7 °C
Humidity Range	40%	11%	60%
Pressure Range	5 hPa	2 hPa	12 hPa
Sun Hours	243 (129%) [55%]
Wet Hours	29 (72%) [3.9%]

NB: Hover over a value to see how many days of data it is from. Sun hrs, Wet hrs, Cloud cover and Events are based on manual observation and provided for interest only.

Written report

May 2018

May 2018: 2nd-warmest May of 18 since 2009, and sunny too

Mean 14.9°C, 1.5°C above normal, the 2nd-warmest May of 18 since 2009. Highs averaged 20.4°C and lows 9.3°C. Warmest 27.8°C (07 May), coldest night 3.2°C (01 May). 5 days reaching 25°C.
Rain 38.7 mm, 84% of normal, over 7 days of 1 mm+. The biggest fall was 16.3 mm on 29 May.
Sunshine 243.4 hours, 129% of normal, the 2nd-sunniest May of 18 since 2009.
Days that still hold the station record for their date: 04 May (20.2°C max), 05 May (22.2°C max), 06 May (24.6°C max), 07 May (27.8°C max).

Written Mon 02 Nov, 18:04 GMT

‹ Apr 2018 Jun 2018 ›

Written reports for 2018: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec · the year

Days Of...
Rainfall		Temperature		Sunshine		Other
> 0.0 mm	9	Min < -5.0 °C	0	> 0 hrs	30	Falling Snow	0
> 0.1 mm	9	Min < 0.0 °C	0	> 1 hrs	26	Lying Snow	0
> 0.3 mm	9	Mean < 0.0 °C	0	> 3 hrs	24	Hail	0
> 1.0 mm	7	Mean > 20.0 °C	1	> 5 hrs	21	Thunder	4
> 5.0 mm	2	Max > 25.0 °C	5	> 10 hrs	12	Dense Fog	0
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	24	Gusts > 30mph	0
> 20.0 mm	0	Min > 20.0 °C	0	> 95% max poss.	7	Total Events	4

Misc.

Mean rainfall for days with >0.3mm: 4.3 mm
Total snowfall: 0.0 mm

Graphs and Charts

Mean Temperature

Variable

Measure

View more charts for this month

Intraday conditions

Per-minute readings across the month (downsampled for display). Choose a variable below.

Wind rose

Daily breakdown

Day numbers link to the detailed daily report. Wide tables can be scrolled horizontally.

Temperature, rain, sunshine & wind

Day	Tmin	Tmax	Tmean	Rain	Hr max	10m rain	Rate	Sun	Wmean	Wmax	Gust	Wdir	W10m
1	3.2	15.0	9.2	0.0	-	-	-	8	7.1	16.7	26.5	239°	13.0
2	6.4	13.6	9.9	4.6	1.8	0.7	13	3	7.4	16.7	26.5	239°	13.8
3	4.8	17.5	11.5	0.0	-	-	-	7	3.7	12.7	17.3	254°	9.1
4	9.7	20.2	15.3	0.0	-	-	-	8	2.5	8.9	11.5	280°	6.1
5	7.1	22.2	15.4	0.0	-	-	-	14	2.9	10.4	13.8	104°	7.8
6	7.8	24.6	17.0	0.0	-	-	-	14	2.8	10.1	15.0	89°	7.4
7	9.1	27.8	19.0	0.0	-	-	-	14	2.5	11.4	18.4	92°	8.8
8	9.7	26.8	18.6	0.0	-	-	-	12	4.0	14.1	24.2	253°	11.0
9	8.6	21.4	15.7	0.0	-	-	-	11	4.0	11.9	18.4	254°	9.9
10	9.6	17.8	13.5	2.2	1.5	1.1	13	7	4.6	13.5	19.6	286°	9.6
11	5.8	17.8	13.3	0.0	-	-	-	6	5.0	13.5	21.9	167°	10.0
12	9.8	15.3	12.7	7.3	2.6	0.7	4.4	0.2	2.2	7.7	11.5	240°	5.5
13	8.7	17.8	12.5	0.0	-	-	-	4	2.4	7.4	10.4	300°	4.8
14	8.9	19.7	14.3	0.0	-	-	-	11	5.0	12.4	25.3	5°	9.8
15	10.0	22.6	16.3	0.0	-	-	-	14	4.0	9.9	17.3	7°	6.9
16	7.8	14.3	12.1	0.0	-	-	-	0.4	6.0	13.2	24.2	21°	9.7
17	6.1	17.1	11.3	0.0	-	-	-	13	4.4	12.0	19.6	33°	8.7
18	3.9	18.1	11.7	0.0	-	-	-	13	2.2	7.4	11.5	40°	4.8
19	6.2	21.1	14.1	0.0	-	-	-	14	2.6	9.8	13.8	77°	8.0
20	7.2	20.7	14.4	0.0	-	-	-	14	3.1	10.6	17.3	104°	7.6
21	8.0	22.4	16.0	0.0	-	-	-	7	2.2	10.6	15.0	59°	6.6
22	11.0	22.1	16.1	0.0	-	-	-	14	5.1	15.9	26.5	17°	11.1
23	10.3	18.4	13.3	0.0	-	-	-	5	4.5	12.1	19.6	23°	8.6
24	10.2	22.4	15.1	2.0	0.7	0.2	1.3	2	3.5	9.0	18.4	349°	6.4
25	12.7	19.2	15.8	0.0	-	-	-	0.5	1.7	9.3	15.0	331°	6.4
26	14.9	25.7	19.6	0.4	0.4	0.2	0.4	9	5.6	15.1	25.3	60°	13.1
27	14.2	27.1	20.7	3.3	2.4	1.8	40	8	3.2	9.3	17.3	95°	6.4
28	14.8	25.2	19.2	2.2	2.2	1.1	13	7	2.7	8.3	13.8	28°	5.7
29	13.2	17.0	14.7	16.3	8.1	2.9	26	0	4.9	11.4	18.4	27°	9.0
30	12.5	20.1	15.6	0.4	0.4	0.2	0.7	0.5	1.6	7.0	12.7	45°	4.9
31	14.8	22.6	18.1	0.0	-	-	-	2	3.2	10.4	17.3	84°	8.2

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	40	84	64	-0.2	5.3	2.5	1009	1012	1010
2	62	93	79	3.6	10.3	6.3	1003	1015	1007
3	41	93	66	3.0	7.0	4.8	1014	1023	1020
4	45	85	62	5.5	11.2	7.9	1022	1027	1024
5	34	90	58	3.8	8.6	6.2	1025	1027	1026
6	35	84	56	4.4	10.9	7.4	1021	1026	1023
7	28	88	54	6.4	11.5	8.4	1015	1022	1018
8	37	94	63	7.9	13.8	10.6	1009	1016	1011
9	38	92	63	6.2	10.5	8.0	1008	1012	1010
10	36	89	61	1.6	9.3	5.6	1009	1021	1015
11	43	91	61	4.1	8.7	5.6	1013	1021	1017
12	63	93	81	8.2	11.0	9.4	1012	1014	1013
13	50	93	74	6.0	9.0	7.6	1013	1019	1016
14	35	82	57	0.8	9.3	5.6	1018	1022	1021
15	48	73	59	3.8	13.2	8.2	1020	1022	1021
16	58	82	72	3.5	10.1	7.2	1022	1030	1026
17	42	87	66	3.8	6.4	4.8	1027	1029	1028
18	38	91	66	2.3	7.7	4.9	1025	1028	1026
19	35	95	66	4.7	9.1	7.1	1023	1026	1025
20	44	93	71	5.9	10.9	8.7	1020	1025	1023
21	40	93	70	6.6	13.8	10.1	1015	1021	1017
22	53	84	70	8.1	13.8	10.4	1015	1022	1017
23	64	86	79	7.8	12.4	9.6	1022	1025	1024
24	58	94	82	8.5	16.4	11.9	1019	1024	1021
25	73	91	82	11.1	14.7	12.7	1018	1021	1019
26	54	93	77	13.1	18.5	15.2	1018	1021	1020
27	53	92	76	12.8	19.4	16.1	1016	1020	1017
28	65	93	82	13.4	19.8	16.0	1017	1021	1019
29	85	96	92	12.0	14.9	13.4	1014	1020	1017
30	80	95	90	11.7	17.0	13.9	1013	1015	1014
31	73	97	88	14.2	18.2	15.9	1015	1018	1016

Other measures

Day	Night	Daymax	T+10m	T+1h	H+1h	T-10m	T-1h	H-1h	Fmin	Fmax	Fmean	AQmin	AQmax	AQmean
1	3.2	15.0	0.6	2.8	12	0.6	1.4	14	-0.9	15.0	7.8	-	-	-
2	8.9	13.6	0.9	2.7	12	2.4	3.0	19	4.7	14.6	8.2	-	-	-
3	4.8	17.5	0.7	2.4	11	0.3	1.3	16	2.2	17.5	10.9	-	-	-
4	9.7	20.2	0.6	2.4	7	0.7	1.8	12	9.7	21.6	15.8	-	-	-
5	7.1	22.2	1.3	4.8	8	0.6	2.5	22	7.1	22.8	15.4	-	-	-
6	7.8	24.6	1.3	4.1	11	0.6	2.5	17	7.4	26.0	17.4	-	-	-
7	9.1	27.8	1.0	4.8	9	0.5	2.6	24	9.1	29.6	19.6	-	-	-
8	9.7	26.8	1.0	4.7	16	0.8	3.2	22	10.1	29.9	20.2	-	-	-
9	8.6	21.4	0.7	3.4	12	0.6	2.5	17	8.1	21.7	16.1	-	-	-
10	9.6	17.8	0.5	2.0	9	0.5	1.5	14	6.5	17.8	13.5	-	-	-
11	5.8	17.8	1.0	4.4	10	0.5	2.3	20	3.9	17.8	13.3	-	-	-
12	11.5	15.3	0.4	1.1	11	0.4	1.3	8	7.8	16.3	13.7	-	-	-
13	8.7	17.8	0.6	1.4	12	0.6	3.1	14	6.2	18.4	12.5	-	-	-
14	8.9	19.7	0.5	2.2	9	0.6	1.7	24	6.5	20.1	14.2	-	-	-
15	10.0	22.6	0.6	2.3	10	0.7	2.5	11	10.0	25.5	17.1	-	-	-
16	11.4	14.3	0.6	1.6	12	0.5	1.3	8	4.8	15.5	12.1	-	-	-
17	6.1	17.1	0.7	2.1	8	0.4	2.1	10	2.5	17.1	10.5	-	-	-
18	3.9	18.1	0.7	2.6	15	0.5	1.8	11	2.6	18.1	11.5	-	-	-
19	6.2	21.1	0.9	4.0	15	0.6	2.3	17	6.2	21.3	14.4	-	-	-
20	7.2	20.7	0.7	3.0	12	0.6	2.4	15	7.2	21.5	15.2	-	-	-
21	8.0	22.4	0.7	3.1	14	0.5	2.0	19	6.9	23.9	17.3	-	-	-
22	11.6	22.1	0.8	2.3	10	0.9	2.6	8	11.6	25.1	17.6	-	-	-
23	10.3	18.4	0.8	1.8	6	0.4	1.5	7	10.7	20.9	14.4	-	-	-
24	10.2	22.4	0.7	2.7	8	0.4	1.4	17	11.0	26.7	17.4	-	-	-
25	12.7	19.2	0.5	1.9	5	0.4	1.3	6	14.5	23.0	18.5	-	-	-
26	14.9	25.7	0.8	3.1	8	0.4	1.6	11	17.8	31.0	23.8	-	-	-
27	14.2	27.1	0.8	3.3	15	0.8	2.3	11	16.9	33.7	25.4	-	-	-
28	14.8	25.2	0.7	2.7	14	0.7	3.3	8	17.9	31.9	23.9	-	-	-
29	13.3	17.0	0.3	1.4	5	0.4	1.2	4	15.6	20.8	17.8	-	-	-
30	12.5	20.1	0.5	2.1	5	0.3	1.4	7	14.6	25.3	19.0	-	-	-
31	14.8	22.6	0.7	2.2	4	0.4	1.3	8	18.3	28.6	22.7	-	-	-

View daily report for the 1st