Monthly Report for May 2011

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	9.5 °C (+0.5)	3.2 °C	14.6 °C	08:24
Maximum Temperature	18.5 °C (+0.7)	14.1 °C	24.5 °C	15:33
Mean Temperature	14.2 °C (+0.6)	9.7 °C	18.4 °C
Minimum Humidity	42%	27%	65%	16:06
Maximum Humidity	80%	66%	91%	08:08
Mean Humidity	60%	46%	81%
Minimum Pressure	1015 hPa	1005 hPa	1023 hPa	11:30
Maximum Pressure	1020 hPa	1012 hPa	1029 hPa	12:19
Mean Pressure	1018 hPa	1009 hPa	1024 hPa
Mean Wind Speed	6.0 mph (+1.3)	2.4 mph	10.4 mph
Maximum Wind Speed	14.8 mph	8.1 mph	22.5 mph
Maximum Gust	21.3 mph	10.9 mph	33.8 mph	14:48
Mean Wind Direction	215° [SW]	62° [ENE]	355° [N]
Rainfall	24.1 mm (52%)	0.0 mm	14.5 mm
Maximum Hourly Rain	2.2 mm	0.5 mm	5.2 mm	12:17
Maximum 10-min Rain	1.2 mm	0.3 mm	3.8 mm	12:15
Maximum Rain Rate	20 mm/h	1.5 mm/h	80 mm/h	12:02
Minimum Dew Point	3.1 °C	-4.2 °C	9.6 °C	13:34
Maximum Dew Point	9.2 °C	4.5 °C	15.1 °C	11:24
Mean Dew Point	6.1 °C	-0.2 °C	11.4 °C
Night Minimum (21-09)	9.7 °C	3.2 °C	15.0 °C	05:32
Day Maximum (09-21)	18.5 °C	14.1 °C	24.5 °C	15:30
Max 10m Temp Rise	0.7 °C	0.4 °C	1.2 °C	09:27
Max 1hr Temp Rise	2.7 °C	1.2 °C	5.7 °C	09:30
Max 1hr Hum Rise	8%	4%	16%	15:52
Max 10m Temp Fall	0.5 °C	0.2 °C	1.0 °C	14:14
Max 1hr Temp Fall	1.7 °C	0.7 °C	4.0 °C	16:58
Max 1hr Hum Fall	10%	4%	25%	10:43
Max 10m Wind Speed	10.2 mph	7.3 mph	15.7 mph	14:31
Minimum Feels-like	8.7 °C	1.2 °C	15.7 °C	08:05
Maximum Feels-like	19.0 °C	14.1 °C	25.7 °C	15:06
Mean Feels-like	14.5 °C	8.8 °C	20.3 °C	n/a
Air-frost Hrs	0 hrs	0 hrs	0 hrs
Minimum PM2.5	0.0 µg/m³	0.0 µg/m³	0.0 µg/m³
Maximum PM2.5	n/a	n/a	n/a
Mean PM2.5	n/a	n/a	n/a
Temperature Range	9.0 °C (+0.2)	4.2 °C	15.4 °C
Humidity Range	38%	20%	53%
Pressure Range	6 hPa	1 hPa	16 hPa
Sun Hours	218 (115%) [50%]
Wet Hours	13 (32%) [1.7%]

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.

Days Of...
Rainfall		Temperature		Sunshine		Other
> 0.0 mm	9	Min < -5.0 °C	0	> 0 hrs	31	Falling Snow	0
> 0.1 mm	6	Min < 0.0 °C	0	> 1 hrs	30	Lying Snow	0
> 0.3 mm	6	Mean < 0.0 °C	0	> 3 hrs	22	Hail	1
> 1.0 mm	6	Mean > 20.0 °C	0	> 5 hrs	17	Thunder	1
> 5.0 mm	1	Max > 25.0 °C	0	> 10 hrs	9	Dense Fog	0
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	22	Gusts > 30mph	3
> 20.0 mm	0	Min > 20.0 °C	0	> 95% max poss.	3	Total Events	5

Misc.

Mean rainfall for days with >0.3mm: 4.0 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	10.5	17.7	13.9	0.0	-	-	-	11	9.2	18.5	27.3	62°	12.9
2	6.8	15.6	11.6	0.0	-	-	-	13	10.4	19.7	32.0	62°	13.9
3	5.2	14.1	9.7	0.0	-	-	-	13	6.5	13.8	21.5	68°	10.2
4	3.2	16.0	10.4	0.0	-	-	-	14	5.1	12.3	17.3	86°	8.4
5	8.6	19.6	13.2	0.0	-	-	-	4	4.1	12.3	19.2	128°	9.7
6	9.1	24.5	17.3	0.0	-	-	-	10	4.0	12.7	19.9	158°	9.6
7	14.4	23.2	18.4	1.1	-	0.5	3.0	2	3.8	14.3	19.7	144°	8.7
8	14.6	19.6	17.1	3.0	1.6	0.8	8	4	6.6	15.9	22.8	201°	11.3
9	11.6	20.2	16.3	0.0	-	-	-	12	5.8	16.1	23.9	201°	10.5
10	8.7	21.4	16.2	0.0	-	-	-	12	5.0	12.3	16.8	218°	9.1
11	10.2	17.2	14.3	0.0	-	-	-	2	4.7	13.0	17.3	246°	7.5
12	8.8	17.8	13.8	0.0	-	-	-	7	6.0	13.8	20.6	267°	9.9
13	8.3	18.7	14.3	0.0	-	-	-	8	5.1	10.9	15.9	241°	8.2
14	7.5	16.6	12.5	0.0	-	-	-	6	5.7	14.0	20.4	292°	10.2
15	8.3	15.2	12.4	0.0	-	-	-	4	6.1	14.3	19.0	287°	9.7
16	11.6	19.8	15.0	0.0	-	-	-	2	7.1	15.4	19.7	257°	11.1
17	11.5	18.1	14.6	0.0	-	-	-	2	6.0	12.5	17.6	244°	9.0
18	11.4	19.0	14.8	3.0	2.5	1.4	20	0.2	5.7	13.2	18.7	237°	9.3
19	6.5	19.6	14.0	0.0	-	-	-	9	2.4	8.1	10.9	355°	7.3
20	10.9	18.3	15.1	0.0	-	-	-	7	4.7	11.8	17.6	255°	7.7
21	7.8	21.0	16.1	0.0	-	-	-	14	5.4	14.5	22.3	214°	9.4
22	11.4	18.3	14.9	1.1	1.1	0.5	5	8	9.1	21.0	33.8	239°	14.0
23	10.3	18.9	13.9	0.1	-	-	-	4	9.3	22.5	32.0	226°	15.7
24	8.2	19.0	13.8	0.0	-	-	-	13	6.6	15.0	21.9	261°	10.1
25	6.1	20.6	15.3	0.0	-	-	-	13	4.8	16.1	20.8	204°	9.4
26	10.9	15.1	13.2	14.5	5.2	3.8	80	2	7.7	20.1	26.8	247°	13.1
27	10.1	15.7	12.8	0.0	-	-	-	3	5.4	11.8	17.5	280°	9.1
28	9.2	15.6	12.9	0.1	-	-	-	2	7.2	16.6	22.5	231°	10.9
29	13.3	19.1	16.1	0.0	-	-	-	5	8.6	17.8	27.7	220°	13.9
30	11.2	20.5	14.8	1.1	0.5	0.3	1.5	3	5.2	15.6	19.9	238°	9.7
31	7.8	17.7	12.7	0.1	-	-	-	9	4.1	11.8	16.8	304°	8.2

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	38	66	52	0.3	6.1	3.9	1009	1012	1010
2	36	70	52	-1.9	4.8	1.5	1011	1014	1012
3	29	78	53	-4.2	4.5	-0.2	1014	1021	1018
4	38	75	55	-1.9	4.5	1.4	1021	1022	1022
5	39	74	59	2.4	8.3	5.0	1018	1022	1020
6	32	70	48	2.0	8.4	5.5	1013	1017	1015
7	46	84	63	5.3	15.1	11.0	1009	1013	1011
8	42	88	65	4.9	14.2	10.1	1009	1019	1014
9	39	78	56	4.5	10.8	7.2	1019	1023	1021
10	33	85	55	4.1	10.5	6.5	1023	1025	1024
11	46	85	64	2.8	11.1	7.3	1021	1024	1022
12	39	79	57	2.6	7.8	5.0	1019	1022	1020
13	40	77	55	3.0	7.9	5.1	1017	1022	1020
14	37	75	55	1.6	5.5	3.5	1018	1022	1020
15	43	76	60	2.1	7.0	4.6	1022	1026	1024
16	45	81	64	5.9	9.9	8.0	1021	1024	1022
17	53	86	69	6.1	11.4	8.8	1017	1021	1019
18	65	91	81	8.3	13.0	11.4	1012	1017	1014
19	38	91	63	4.6	9.3	6.4	1015	1019	1017
20	41	67	53	4.1	7.8	5.3	1016	1021	1018
21	39	83	55	4.4	9.4	6.6	1014	1022	1018
22	35	84	55	2.3	10.0	5.4	1011	1023	1017
23	44	74	62	3.4	9.3	6.5	1017	1022	1020
24	34	76	51	0.7	5.1	3.1	1020	1029	1024
25	27	72	46	-0.4	6.6	3.0	1012	1028	1020
26	46	87	68	3.1	11.5	7.2	1005	1013	1009
27	46	80	63	3.2	8.8	5.7	1013	1018	1016
28	57	77	69	4.1	10.6	7.3	1012	1018	1015
29	60	80	71	9.6	12.2	10.8	1011	1014	1012
30	57	89	80	8.8	13.5	11.1	1008	1013	1010
31	35	87	63	1.7	8.8	5.1	1012	1027	1020

Other measures

Day	Night	Daymax	T+10m	T+1h	H+1h	T-10m	T-1h	H-1h	Fmin	Fmax	Fmean	AQmin	AQmax	AQmean
1	10.5	17.7	0.5	1.7	7	0.7	2.7	12	10.5	17.7	13.9	-	-	-
2	8.8	15.6	0.5	2.0	9	0.3	0.9	8	3.3	15.6	10.7	-	-	-
3	5.2	14.1	0.9	3.2	8	0.9	1.3	12	2.3	14.1	8.8	-	-	-
4	3.2	16.0	0.9	4.0	10	0.4	1.7	8	1.2	16.0	9.8	-	-	-
5	8.6	19.6	0.7	3.1	4	0.3	1.4	9	6.4	19.6	12.9	-	-	-
6	9.1	24.5	0.9	3.9	5	0.5	2.1	11	8.7	24.7	17.4	-	-	-
7	14.4	23.2	0.7	2.6	15	0.3	1.3	8	15.7	25.7	20.3	-	-	-
8	15.0	19.6	0.7	2.1	9	0.2	0.7	4	15.0	21.0	18.6	-	-	-
9	11.6	20.2	0.7	2.7	9	0.3	1.2	11	11.7	20.2	16.6	-	-	-
10	8.7	21.4	1.0	5.0	7	0.4	1.2	9	7.7	21.4	16.3	-	-	-
11	10.2	17.2	1.0	3.8	8	0.3	1.2	10	10.3	17.3	14.6	-	-	-
12	8.8	17.8	0.5	2.4	8	0.6	1.9	9	6.7	17.8	13.7	-	-	-
13	8.3	18.7	0.7	3.4	8	0.5	1.8	16	6.6	18.7	14.2	-	-	-
14	7.5	16.6	0.6	2.5	8	0.4	1.1	8	5.5	16.6	12.3	-	-	-
15	8.3	15.2	0.5	2.2	5	0.4	1.9	7	5.4	15.2	12.0	-	-	-
16	11.6	19.8	0.4	1.7	6	0.7	2.3	4	11.9	20.4	15.5	-	-	-
17	11.5	18.1	0.7	2.6	6	0.5	1.8	10	11.5	19.1	15.4	-	-	-
18	13.1	19.0	0.4	1.2	16	-	-	14	11.9	21.6	16.8	-	-	-
19	6.5	19.6	0.9	4.3	8	0.3	1.4	8	6.0	19.6	14.1	-	-	-
20	10.9	18.3	0.6	2.5	8	0.3	1.6	11	10.9	18.3	15.1	-	-	-
21	7.8	21.0	1.2	5.7	7	1.0	1.8	25	7.4	21.2	16.2	-	-	-
22	11.4	18.3	0.6	2.0	8	-	-	12	11.8	18.3	15.0	-	-	-
23	10.3	18.9	0.6	2.0	11	0.6	2.6	12	10.3	18.9	14.0	-	-	-
24	8.2	19.0	0.5	1.9	5	0.9	4.0	9	5.4	19.0	13.3	-	-	-
25	6.1	20.6	1.1	5.3	7	0.5	2.2	7	6.1	20.6	15.3	-	-	-
26	11.9	15.1	0.6	1.2	13	0.3	1.3	6	10.9	16.5	13.6	-	-	-
27	10.1	15.7	0.7	1.8	6	0.4	1.7	15	10.1	15.7	12.8	-	-	-
28	9.2	15.6	0.4	1.4	7	0.4	1.3	9	6.4	16.8	13.0	-	-	-
29	13.3	19.1	0.5	1.8	5	0.5	1.5	6	14.4	21.3	17.7	-	-	-
30	12.9	20.5	0.6	2.8	15	0.5	2.3	11	11.9	23.0	16.6	-	-	-
31	7.8	17.7	0.6	2.1	9	0.3	1.1	9	5.6	17.7	12.4	-	-	-

View daily report for the 1st