Monthly Report for September 2012

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	10.4 °C (-1.1)	5.8 °C	16.8 °C	08:50
Maximum Temperature	18.9 °C (-0.2)	11.9 °C	27.6 °C	15:12
Mean Temperature	14.6 °C (-0.6)	10.1 °C	18.7 °C
Minimum Humidity	49%	24%	75%	15:08
Maximum Humidity	87%	75%	98%	09:25
Mean Humidity	69%	54%	89%
Minimum Pressure	1012 hPa	985 hPa	1025 hPa	11:55
Maximum Pressure	1018 hPa	989 hPa	1030 hPa	10:47
Mean Pressure	1015 hPa	988 hPa	1028 hPa
Mean Wind Speed	4.7 mph (+0.8)	1.8 mph	9.2 mph
Maximum Wind Speed	12.0 mph	5.6 mph	17.6 mph	14:40
Maximum Gust	17.5 mph	8.1 mph	28.9 mph	15:14
Mean Wind Direction	238° [WSW]	18° [NNE]	348° [NNW]
Rainfall	43.4 mm (87%)	0.0 mm	21.8 mm
Maximum Hourly Rain	2.5 mm	0.6 mm	6.4 mm	14:23
Maximum 10-min Rain	1.1 mm	0.5 mm	2.3 mm	15:49
Maximum Rain Rate	19 mm/h	2.5 mm/h	60 mm/h	15:43
Minimum Dew Point	5.4 °C	0.2 °C	12.3 °C	12:49
Maximum Dew Point	11.6 °C	6.2 °C	16.0 °C	12:21
Mean Dew Point	8.5 °C	3.4 °C	13.5 °C
Night Minimum (21-09)	10.7 °C	5.8 °C	16.8 °C	06:56
Day Maximum (09-21)	18.9 °C	11.8 °C	27.6 °C	14:48
Max 10m Temp Rise	0.6 °C	0.3 °C	1.2 °C	09:23
Max 1hr Temp Rise	2.5 °C	0.9 °C	4.9 °C	09:40
Max 1hr Hum Rise	9%	5%	19%	16:42
Max 10m Temp Fall	0.6 °C	0.2 °C	1.0 °C	14:30
Max 1hr Temp Fall	1.8 °C	0.7 °C	4.0 °C	15:52
Max 1hr Hum Fall	12%	2%	26%	10:56
Max 10m Wind Speed	8.6 mph	4.0 mph	12.6 mph	14:34
Minimum Feels-like	10.0 °C	2.9 °C	19.3 °C	08:53
Maximum Feels-like	20.1 °C	14.0 °C	29.1 °C	14:21
Mean Feels-like	15.5 °C	10.4 °C	21.7 °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	8.5 °C (+0.9)	3.7 °C	17.5 °C
Humidity Range	38%	18%	60%
Pressure Range	7 hPa	1 hPa	22 hPa
Sun Hours	174 (118%) [51%]
Wet Hours	27 (66%) [3.8%]

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	8	Min < -5.0 °C	0	> 0 hrs	29	Falling Snow	0
> 0.1 mm	8	Min < 0.0 °C	0	> 1 hrs	25	Lying Snow	0
> 0.3 mm	8	Mean < 0.0 °C	0	> 3 hrs	20	Hail	0
> 1.0 mm	7	Mean > 20.0 °C	0	> 5 hrs	15	Thunder	0
> 5.0 mm	2	Max > 25.0 °C	3	> 10 hrs	4	Dense Fog	0
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	20	Gusts > 30mph	0
> 20.0 mm	1	Min > 20.0 °C	0	> 95% max poss.	3	Total Events	0

Misc.

Mean rainfall for days with >0.3mm: 5.4 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	13.2	21.1	16.6	0.0	-	-	-	2	4.2	10.9	16.3	249°	8.3
2	12.6	19.5	16.2	0.0	-	-	-	0.3	4.0	9.4	13.7	248°	6.9
3	14.7	24.1	18.7	0.0	-	-	-	10	1.9	5.6	8.1	348°	4.0
4	14.0	24.6	18.6	0.0	-	-	-	7	3.2	9.0	13.2	310°	6.5
5	11.1	19.9	15.6	0.0	-	-	-	12	3.7	9.7	13.2	18°	6.5
6	7.3	21.0	15.2	0.0	-	-	-	11	3.2	9.8	13.7	241°	7.9
7	11.3	25.5	18.1	0.0	-	-	-	12	4.0	9.8	13.0	274°	7.2
8	9.5	26.7	18.3	0.0	-	-	-	12	1.8	7.6	10.0	230°	5.2
9	10.1	27.6	18.4	0.0	-	-	-	10	4.3	14.7	22.8	219°	10.8
10	16.8	20.7	18.4	0.0	-	-	-	2	9.2	14.7	24.2	214°	11.6
11	11.4	17.4	15.6	0.0	-	-	-	6	7.0	12.5	20.4	264°	10.0
12	8.5	18.0	13.3	2.3	2.3	2.3	60	4	5.6	12.8	17.5	271°	9.5
13	7.8	18.0	13.5	0.0	-	-	-	10	4.9	13.8	17.8	294°	9.1
14	12.9	19.9	16.2	0.0	-	-	-	5	6.8	17.5	23.0	282°	10.7
15	9.6	21.1	15.5	0.0	-	-	-	10	4.0	11.4	14.0	264°	7.4
16	13.3	18.1	15.6	0.0	-	-	-	4	5.5	12.8	17.6	241°	9.5
17	13.9	18.9	16.1	0.0	-	-	-	4	5.7	13.7	22.3	255°	10.3
18	9.6	16.7	13.8	0.0	-	-	-	8	5.2	14.0	19.2	291°	8.5
19	6.9	16.4	11.9	0.0	-	-	-	8	4.2	12.5	17.6	290°	8.7
20	9.3	17.3	13.2	0.0	-	-	-	2	4.4	11.4	16.3	240°	8.3
21	10.3	16.4	13.1	1.7	1.5	0.6	8	0.3	3.2	8.5	12.3	285°	6.0
22	6.0	15.1	11.1	0.0	-	-	-	10	3.8	10.0	16.3	51°	6.5
23	8.2	11.9	10.1	21.8	6.4	2.0	30	0	4.8	14.3	23.0	86°	11.0
24	11.1	14.9	12.8	9.5	5.2	1.5	20	1	6.0	17.6	26.6	175°	12.6
25	9.6	16.2	12.6	0.6	0.6	0.6	-	6	7.2	15.9	28.9	217°	12.6
26	10.0	15.1	12.3	4.1	1.2	0.7	2.5	2	3.2	9.2	12.8	206°	7.5
27	10.4	16.4	12.6	1.1	1.1	0.5	3.0	4	3.9	9.7	13.2	325°	7.3
28	8.6	17.1	12.2	2.3	1.6	0.9	10	2	4.7	12.1	17.6	241°	9.6
29	8.4	15.2	11.5	0.0	-	-	-	9	4.1	10.7	17.0	283°	8.5
30	5.8	16.7	12.1	0.0	-	-	-	1	6.0	17.3	23.0	233°	10.4

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	44	75	67	7.5	13.8	10.4	1023	1029	1026
2	72	91	82	10.0	16.0	13.2	1023	1026	1025
3	38	94	70	8.7	15.5	12.5	1024	1027	1026
4	53	91	73	8.7	15.8	13.4	1022	1025	1024
5	43	77	58	5.2	8.7	7.0	1024	1030	1027
6	37	89	60	4.6	10.8	6.8	1025	1030	1028
7	30	87	57	4.3	11.9	8.3	1023	1026	1024
8	24	84	54	4.0	12.3	7.7	1017	1023	1020
9	30	84	60	5.6	13.1	9.4	1008	1017	1011
10	64	84	74	12.3	15.2	13.5	1009	1011	1010
11	37	79	58	1.3	12.8	6.8	1009	1017	1012
12	49	83	65	2.6	11.3	6.7	1011	1017	1014
13	44	85	64	4.4	9.0	6.3	1015	1021	1018
14	43	81	64	6.1	13.6	9.2	1011	1017	1014
15	45	84	64	6.4	10.9	8.4	1015	1019	1017
16	54	85	71	8.5	11.8	10.2	1011	1016	1013
17	41	88	65	4.3	12.4	9.1	1011	1014	1012
18	37	82	60	0.2	9.9	5.7	1000	1019	1013
19	38	80	58	1.5	6.2	3.4	1019	1023	1022
20	47	78	62	3.0	8.3	5.9	1019	1023	1021
21	52	87	70	6.3	9.5	7.6	1012	1019	1015
22	45	89	67	1.7	8.2	4.7	1016	1021	1019
23	66	98	86	3.7	11.6	7.7	997	1019	1009
24	65	98	89	7.8	14.6	11.0	985	996	989
25	59	85	74	7.0	9.2	8.0	988	989	988
26	75	93	85	8.0	12.0	9.8	989	999	992
27	53	95	81	6.3	10.9	9.2	999	1013	1007
28	66	92	84	7.1	11.9	9.6	1012	1014	1013
29	43	94	71	2.7	9.5	6.0	1014	1022	1018
30	64	88	77	3.1	11.0	8.1	1015	1022	1019

Other measures

Day	Night	Daymax	T+10m	T+1h	H+1h	T-10m	T-1h	H-1h	Fmin	Fmax	Fmean	AQmin	AQmax	AQmean
1	13.2	21.1	0.5	1.7	9	0.4	1.4	18	13.8	24.2	18.1	-	-	-
2	12.6	19.5	0.7	2.5	5	0.3	0.7	7	13.9	23.3	19.1	-	-	-
3	14.7	24.1	0.7	2.7	9	0.6	3.0	13	15.8	26.1	21.3	-	-	-
4	14.0	24.6	0.7	2.7	5	0.6	2.3	13	16.0	29.1	21.7	-	-	-
5	11.1	19.9	0.5	2.6	6	0.5	1.7	10	11.2	20.0	15.8	-	-	-
6	7.3	21.0	0.9	4.7	15	0.4	1.6	19	7.3	21.0	15.5	-	-	-
7	11.3	25.5	0.6	3.0	10	0.7	3.1	13	12.1	25.6	18.8	-	-	-
8	9.5	26.7	1.2	4.9	13	0.8	4.0	14	9.2	26.7	18.8	-	-	-
9	10.1	27.6	0.9	4.7	18	0.7	2.8	16	10.1	28.4	19.5	-	-	-
10	16.8	20.7	0.7	1.8	5	0.8	1.1	9	19.3	24.4	21.5	-	-	-
11	15.4	17.4	-	-	-	-	-	14	11.4	19.5	16.5	-	-	-
12	8.5	18.0	0.8	3.4	13	1.0	2.6	9	6.1	18.3	13.3	-	-	-
13	7.8	18.0	0.9	3.8	8	0.4	1.0	15	5.5	18.0	13.1	-	-	-
14	14.1	19.9	0.5	1.8	6	0.5	1.2	19	13.0	22.5	17.2	-	-	-
15	9.6	21.1	0.8	3.4	10	0.5	2.2	11	8.5	21.8	16.1	-	-	-
16	13.3	18.1	0.4	0.9	7	0.2	0.9	7	14.7	19.0	17.0	-	-	-
17	13.9	18.9	0.5	1.7	10	0.5	1.1	26	16.0	18.9	17.2	-	-	-
18	11.9	16.7	0.6	1.8	8	0.6	1.4	11	7.8	16.7	14.1	-	-	-
19	6.9	16.4	0.7	3.1	5	0.8	1.2	15	4.7	16.4	11.5	-	-	-
20	9.3	17.3	0.5	2.0	6	0.3	1.1	9	7.3	17.3	13.0	-	-	-
21	11.2	16.4	0.4	1.5	19	0.7	2.5	8	10.8	16.5	13.4	-	-	-
22	6.0	15.1	0.8	3.4	7	0.3	1.0	12	2.9	15.1	10.5	-	-	-
23	8.2	11.8	0.3	1.3	6	0.3	0.9	2	6.0	14.0	10.4	-	-	-
24	11.0	14.9	0.3	1.2	6	0.9	2.6	13	11.5	18.6	14.6	-	-	-
25	9.6	16.2	0.5	2.6	6	0.6	1.1	12	6.8	16.9	12.7	-	-	-
26	10.0	15.1	0.4	1.4	6	0.5	2.4	9	10.4	17.3	13.5	-	-	-
27	10.1	16.4	0.6	1.5	17	0.6	2.3	13	11.3	16.7	13.6	-	-	-
28	8.6	17.1	0.5	1.9	14	0.8	2.1	9	6.7	18.8	13.0	-	-	-
29	8.4	15.2	0.6	2.6	11	0.5	2.4	18	6.7	15.2	11.4	-	-	-
30	5.8	16.7	0.6	2.6	5	0.3	1.3	8	3.8	18.1	12.6	-	-	-

View daily report for the 1st