Monthly Report for September 2011

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	12.4 °C (+0.9)	7.2 °C	16.2 °C	10:36
Maximum Temperature	20.4 °C (+1.3)	16.3 °C	27.4 °C	14:58
Mean Temperature	16.2 °C (+1.1)	11.8 °C	19.6 °C
Minimum Humidity	56%	40%	77%	16:15
Maximum Humidity	91%	78%	98%	10:35
Mean Humidity	75%	64%	88%
Minimum Pressure	1012 hPa	1000 hPa	1026 hPa	11:25
Maximum Pressure	1016 hPa	1007 hPa	1030 hPa	11:10
Mean Pressure	1014 hPa	1005 hPa	1028 hPa
Mean Wind Speed	5.1 mph (+1.2)	1.8 mph	10.8 mph
Maximum Wind Speed	13.5 mph	7.1 mph	22.1 mph
Maximum Gust	19.3 mph	9.8 mph	37.4 mph	13:37
Mean Wind Direction	205° [SSW]	84° [E]	267° [W]
Rainfall	42.1 mm (84%)	0.0 mm	21.7 mm
Maximum Hourly Rain	3.4 mm	0.3 mm	18.4 mm	12:26
Maximum 10-min Rain	1.6 mm	0.3 mm	7.4 mm	12:08
Maximum Rain Rate	20 mm/h	0.6 mm/h	100 mm/h	12:32
Minimum Dew Point	9.1 °C	4.8 °C	14.6 °C	12:44
Maximum Dew Point	14.3 °C	9.8 °C	18.6 °C	11:22
Mean Dew Point	11.6 °C	7.3 °C	15.9 °C
Night Minimum (21-09)	12.8 °C	7.2 °C	17.8 °C	06:14
Day Maximum (09-21)	20.4 °C	16.3 °C	27.4 °C	15:00
Max 10m Temp Rise	0.6 °C	0.2 °C	1.0 °C	09:44
Max 1hr Temp Rise	2.2 °C	0.8 °C	4.8 °C	10:27
Max 1hr Hum Rise	8%	3%	19%	16:31
Max 10m Temp Fall	0.4 °C	0.1 °C	0.7 °C	15:29
Max 1hr Temp Fall	1.4 °C	0.4 °C	2.6 °C	16:20
Max 1hr Hum Fall	10%	2%	19%	11:38
Max 10m Wind Speed	8.9 mph	5.1 mph	14.8 mph	13:57
Minimum Feels-like	13.5 °C	6.0 °C	19.4 °C	11:52
Maximum Feels-like	23.0 °C	17.8 °C	30.2 °C	14:11
Mean Feels-like	18.4 °C	12.1 °C	23.8 °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	8.1 °C (+0.5)	3.8 °C	13.9 °C
Humidity Range	35%	16%	55%
Pressure Range	4 hPa	1 hPa	10 hPa
Sun Hours	160 (109%) [47%]
Wet Hours	24 (59%) [3.3%]

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	16	Min < -5.0 °C	0	> 0 hrs	29	Falling Snow	0
> 0.1 mm	15	Min < 0.0 °C	0	> 1 hrs	26	Lying Snow	0
> 0.3 mm	9	Mean < 0.0 °C	0	> 3 hrs	22	Hail	0
> 1.0 mm	7	Mean > 20.0 °C	0	> 5 hrs	17	Thunder	0
> 5.0 mm	1	Max > 25.0 °C	3	> 10 hrs	3	Dense Fog	1
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	22	Gusts > 30mph	3
> 20.0 mm	1	Min > 20.0 °C	0	> 95% max poss.	3	Total Events	4

Misc.

Mean rainfall for days with >0.3mm: 4.7 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	10.2	19.9	15.2	0.0	-	-	-	8	4.3	11.2	16.6	84°	7.4
2	13.1	25.8	19.1	0.0	-	-	-	8	3.4	9.7	13.0	187°	7.0
3	15.3	23.1	18.8	0.0	-	-	-	6	5.5	13.2	16.3	215°	8.7
4	14.4	19.2	16.7	3.8	3.3	0.8	6	2	5.4	12.1	17.0	208°	8.2
5	11.6	19.1	15.3	0.3	-	-	-	6	8.0	20.7	29.9	228°	13.3
6	13.0	17.9	15.5	21.7	18.4	7.4	100	0	9.8	21.0	33.9	220°	13.1
7	11.8	17.0	14.2	0.5	0.5	0.3	-	2	7.6	16.1	23.7	243°	11.3
8	12.6	19.4	15.8	0.3	-	-	-	2	5.9	13.0	20.6	232°	8.2
9	15.7	21.7	18.5	3.8	3.6	1.9	20	0.5	4.4	11.2	15.2	221°	7.0
10	16.2	22.7	19.2	0.3	-	-	-	2	6.4	16.1	24.4	188°	10.9
11	15.1	20.2	16.9	3.6	2.5	1.1	10	6	7.8	21.5	31.7	210°	12.0
12	14.6	20.6	17.9	0.3	0.3	-	-	6	10.8	22.1	37.4	226°	14.8
13	12.4	18.5	15.0	0.3	-	-	-	7	7.5	20.8	27.7	244°	12.7
14	10.2	18.7	14.2	0.0	-	-	-	9	5.0	11.4	17.3	258°	8.2
15	7.2	20.0	14.2	0.0	-	-	-	8	2.1	8.1	10.9	130°	6.2
16	12.5	21.8	16.8	0.0	-	-	-	6	4.7	13.0	17.5	144°	7.5
17	10.1	18.4	14.6	1.4	0.8	0.3	1.5	4	6.2	15.4	19.9	225°	10.0
18	8.0	16.3	11.8	0.1	-	-	-	4	3.5	7.8	10.0	267°	5.6
19	9.6	18.5	14.2	0.0	-	-	-	6	5.3	12.1	17.6	249°	8.9
20	14.8	18.6	16.6	1.6	1.4	0.5	3.3	0.5	7.4	14.5	22.1	217°	10.0
21	13.4	17.3	14.9	0.8	0.5	0.3	0.6	4	4.2	15.2	22.5	243°	10.6
22	12.5	18.6	15.3	0.0	-	-	-	4	4.7	11.8	17.0	252°	8.6
23	9.9	18.3	14.1	0.0	-	-	-	9	4.5	11.4	13.0	222°	7.3
24	8.0	20.1	14.5	0.0	-	-	-	6	2.5	9.2	10.9	196°	6.3
25	11.4	20.9	16.7	0.0	-	-	-	8	5.3	17.3	25.3	194°	10.6
26	15.0	21.1	17.7	3.0	3.0	1.4	20	1	3.8	11.2	15.4	222°	7.9
27	12.8	20.4	15.7	0.3	-	-	-	5	2.0	7.1	9.8	221°	5.1
28	12.6	24.9	18.6	0.0	-	-	-	11	2.3	10.2	14.5	123°	7.2
29	14.0	26.9	19.6	0.0	-	-	-	11	1.8	9.8	12.5	116°	5.7
30	13.5	27.4	19.4	0.0	-	-	-	11	2.2	10.7	14.5	157°	7.2

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	49	93	71	8.2	12.6	9.7	1012	1016	1014
2	46	91	71	10.2	16.0	13.4	1010	1012	1011
3	58	89	72	12.1	15.1	13.6	1007	1010	1008
4	72	90	82	9.8	16.4	13.6	1005	1007	1006
5	48	84	70	7.3	11.8	9.7	1008	1015	1012
6	77	94	85	9.6	15.7	12.9	1004	1012	1008
7	63	85	76	9.0	11.1	9.8	1007	1012	1010
8	70	89	80	10.3	14.8	12.3	1008	1011	1010
9	73	96	85	14.6	17.7	15.9	1008	1010	1009
10	67	92	82	12.6	18.6	15.9	1003	1009	1006
11	51	91	75	9.2	14.4	12.3	1003	1007	1005
12	48	92	71	7.7	17.2	12.1	1000	1010	1005
13	46	78	65	4.8	11.2	8.2	1010	1015	1012
14	43	84	64	5.6	9.8	7.3	1016	1020	1018
15	46	93	69	5.0	11.3	8.2	1019	1021	1020
16	48	90	70	9.6	13.0	11.0	1009	1019	1014
17	48	86	74	6.8	12.3	9.8	1004	1009	1006
18	62	94	82	6.8	10.9	8.7	1003	1008	1006
19	55	90	76	7.8	12.4	9.9	1008	1017	1012
20	74	90	79	11.4	14.1	12.9	1016	1018	1017
21	52	95	79	6.5	14.0	11.0	1016	1018	1017
22	47	86	69	6.8	12.2	9.4	1018	1021	1020
23	55	90	73	7.7	11.1	9.1	1016	1020	1018
24	54	95	76	6.3	14.2	10.0	1014	1016	1015
25	56	91	77	9.2	14.7	12.4	1016	1017	1016
26	66	91	82	13.3	16.7	14.5	1016	1026	1021
27	70	97	88	12.2	15.8	13.6	1026	1030	1028
28	51	98	77	12.1	18.1	13.9	1024	1029	1026
29	42	96	72	11.0	17.4	13.7	1023	1025	1024
30	40	95	69	10.5	17.2	12.7	1022	1024	1023

Other measures

Day	Night	Daymax	T+10m	T+1h	H+1h	T-10m	T-1h	H-1h	Fmin	Fmax	Fmean	AQmin	AQmax	AQmean
1	10.2	19.9	0.6	2.7	7	0.4	1.9	15	10.9	21.5	16.4	-	-	-
2	13.1	25.8	0.5	2.1	12	0.3	1.3	9	15.0	29.2	22.2	-	-	-
3	15.3	23.1	0.5	1.5	4	0.4	1.9	11	17.9	27.0	22.0	-	-	-
4	15.7	19.2	0.8	1.8	7	0.3	1.2	8	15.7	23.7	19.9	-	-	-
5	11.6	19.1	0.6	2.0	15	0.3	0.8	16	12.3	19.7	16.5	-	-	-
6	14.9	17.9	0.2	0.8	6	0.5	1.9	6	14.1	22.1	18.3	-	-	-
7	11.8	17.0	0.5	1.6	6	0.4	1.8	9	12.6	18.5	15.4	-	-	-
8	12.6	19.4	0.3	1.1	6	0.7	2.1	8	14.2	22.6	18.2	-	-	-
9	15.7	21.7	0.3	1.4	3	0.5	2.3	10	19.4	27.1	23.1	-	-	-
10	17.8	22.7	0.4	1.1	6	0.2	0.7	4	18.8	27.8	23.8	-	-	-
11	15.1	20.2	0.5	2.1	15	0.2	1.1	7	17.3	22.3	19.3	-	-	-
12	15.3	20.6	0.5	1.3	5	0.4	2.0	13	15.0	25.0	20.3	-	-	-
13	12.7	18.5	0.7	2.4	19	0.3	0.9	6	12.4	19.2	15.6	-	-	-
14	10.2	18.7	0.7	3.0	9	0.5	2.0	2	10.3	18.7	14.5	-	-	-
15	7.2	20.0	1.0	4.8	8	0.2	0.8	13	7.2	20.7	14.8	-	-	-
16	12.5	21.8	0.6	2.5	8	0.3	1.2	10	14.0	23.7	18.5	-	-	-
17	13.9	18.4	0.6	2.4	12	0.5	2.6	19	10.5	19.7	15.8	-	-	-
18	8.0	16.3	0.7	2.6	8	0.4	2.0	14	6.0	17.8	12.1	-	-	-
19	9.6	18.5	0.6	3.1	7	0.2	0.8	4	7.6	19.6	15.3	-	-	-
20	15.0	18.6	0.3	0.9	7	0.4	2.0	10	17.0	22.0	19.4	-	-	-
21	13.4	17.3	0.4	1.3	9	0.5	2.4	15	14.7	19.0	16.8	-	-	-
22	12.5	18.6	0.6	2.6	7	0.3	1.4	15	13.6	19.1	16.3	-	-	-
23	9.9	18.3	0.8	2.7	5	0.5	1.7	8	8.8	19.4	15.0	-	-	-
24	8.0	20.1	0.9	4.0	6	0.3	0.8	10	8.0	22.2	15.9	-	-	-
25	11.4	20.9	0.5	2.3	7	0.3	1.1	8	12.4	23.4	19.2	-	-	-
26	16.3	21.1	0.5	1.7	9	0.4	1.0	3	18.1	25.2	21.4	-	-	-
27	12.8	20.4	0.3	1.3	7	0.1	0.4	9	15.2	24.5	18.9	-	-	-
28	12.6	24.9	0.7	3.4	8	0.2	0.7	7	14.9	29.0	21.9	-	-	-
29	14.0	26.9	0.8	3.7	8	0.4	1.6	9	16.1	30.0	22.8	-	-	-
30	13.5	27.4	0.6	3.1	11	0.3	0.9	11	15.3	30.2	22.1	-	-	-

View daily report for the 1st