Monthly Report for October 2009

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	9.1 °C (+0.5)	2.8 °C	12.9 °C	12:37
Maximum Temperature	15.5 °C (+0.7)	12.1 °C	18.4 °C	13:33
Mean Temperature	12.0 °C (+0.6)	7.1 °C	16.0 °C
Minimum Humidity	66%	49%	89%	14:20
Maximum Humidity	93%	80%	98%	12:50
Mean Humidity	82%	67%	94%
Minimum Pressure	1013 hPa	994 hPa	1031 hPa	10:12
Maximum Pressure	1020 hPa	996 hPa	1034 hPa	14:16
Mean Pressure	1016 hPa	995 hPa	1032 hPa
Mean Wind Speed	3.5 mph (-0.6)	0.8 mph	7.6 mph
Maximum Wind Speed	9.6 mph	4.7 mph	18.3 mph	13:26
Maximum Gust	14.2 mph	5.8 mph	28.9 mph	12:10
Mean Wind Direction	177° [S]	n/a	315° [NW]
Rainfall	28.9 mm (44%)	0.0 mm	7.2 mm
Maximum Hourly Rain	1.5 mm	0.3 mm	4.1 mm	10:21
Maximum 10-min Rain	0.7 mm	0.5 mm	1.1 mm	10:36
Maximum Rain Rate	3.0 mm/h	2.7 mm/h	3.3 mm/h	10:24
Minimum Dew Point	6.4 °C	1.0 °C	12.0 °C	15:04
Maximum Dew Point	11.5 °C	4.0 °C	17.8 °C	13:41
Mean Dew Point	8.9 °C	2.5 °C	15.4 °C
Night Minimum (21-09)	9.5 °C	2.8 °C	13.0 °C
Day Maximum (09-21)	15.4 °C	12.1 °C	18.4 °C
Max 10m Temp Rise	0.8 °C	0.5 °C	1.2 °C	12:29
Max 1hr Temp Rise	2.2 °C	1.2 °C	3.2 °C	11:58
Max 1hr Hum Rise	8%	5%	12%	17:43
Max 10m Temp Fall	0.9 °C	0.4 °C	1.7 °C	17:06
Max 1hr Temp Fall	2.2 °C	1.4 °C	2.8 °C	17:29
Max 1hr Hum Fall	15%	8%	23%	12:54
Max 10m Wind Speed	7.2 mph	4.5 mph	12.8 mph	12:37
Minimum Feels-like	10.2 °C	3.9 °C	13.7 °C	11:36
Maximum Feels-like	18.2 °C	13.6 °C	24.0 °C	12:43
Mean Feels-like	14.1 °C	10.0 °C	22.2 °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	6.4 °C (+0.2)	3.0 °C	10.4 °C
Humidity Range	27%	8%	41%
Pressure Range	6 hPa	2 hPa	15 hPa
Sun Hours	78 (66%) [26%]
Wet Hours	32 (65%) [4.3%]

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.

Written report

October 2009

October 2009: 2nd-dullest of 18 station Octobers, also notably dry

Mean 12.0°C, 0.3°C above normal. Average max 15.5°C and lows 9.1°C. Warmest 18.4°C (06 Oct), coldest night 2.8°C (18 Oct).
Rain 28.9 mm, 44% of normal, 3rd-driest of 18 station Octobers, over 9 days of 1 mm+.
Sunshine 78.1 hours, 66% of normal, 2nd-dullest of 18 station Octobers.
Days that still hold the station record for their date: 05 Oct (14.2°C low max), 08 Oct (6.0°C low min), 18 Oct (2.8°C low min), 19 Oct (4.7°C low min).

Written Mon 02 Nov, 18:03 GMT

‹ Sep 2009 Nov 2009 ›

Written reports for 2009: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec · the year

Days Of...
Rainfall		Temperature		Sunshine		Other
> 0.0 mm	16	Min < -5.0 °C	0	> 0 hrs	28	Falling Snow	0
> 0.1 mm	14	Min < 0.0 °C	0	> 1 hrs	17	Lying Snow	0
> 0.3 mm	9	Mean < 0.0 °C	0	> 3 hrs	8	Hail	0
> 1.0 mm	9	Mean > 20.0 °C	0	> 5 hrs	5	Thunder	0
> 5.0 mm	2	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	0
> 10.0 mm	0	Max > 30.0 °C	0	> 25% max poss.	13	Gusts > 30mph	0
> 20.0 mm	0	Ice Days	0	> 95% max poss.	0	Total Events	0

Misc.

Mean rainfall for days with >0.3mm: 3.2 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	9.9	16.3	13.9	0.0	-	-	-	8	3.6	10.5	15.2	315°	7.2
2	8.0	16.8	12.2	0.0	-	-	-	3	4.3	10.1	16.1	270°	7.0
3	11.7	16.0	13.7	1.4	1.4	-	-	0.2	6.0	17.2	28.9	225°	5.8
4	8.8	15.9	12.0	0.0	-	-	-	4	4.1	10.6	15.8	270°	-
5	11.2	14.2	12.9	3.0	0.8	-	-	0.1	1.1	5.3	7.4	45°	-
6	12.9	18.4	16.0	5.2	4.1	-	-	0.1	3.7	10.0	14.6	180°	9.4
7	9.4	17.4	13.0	7.2	1.9	0.5	3.3	0.5	5.3	12.7	19.0	0°	8.8
8	6.0	15.4	9.9	0.0	-	-	-	8	3.1	8.1	13.7	0°	6.0
9	5.3	13.6	9.7	1.4	1.1	0.5	2.7	1	3.0	11.5	15.6	90°	7.6
10	11.7	18.3	13.9	0.3	-	-	-	3	3.5	11.5	15.8	270°	8.2
11	9.5	15.4	12.3	0.1	-	-	-	2	5.0	12.7	18.4	270°	9.6
12	7.7	15.7	11.1	0.0	-	-	-	5	4.8	12.0	17.7	315°	6.0
13	5.7	16.1	10.5	0.0	-	-	-	8	1.9	6.6	9.5	315°	-
14	9.5	14.1	11.0	0.3	0.3	-	-	0.2	0.8	4.7	5.8	135°	-
15	9.1	16.3	12.1	0.0	-	-	-	3	2.2	7.3	10.7	270°	-
16	8.9	13.8	11.7	0.1	-	-	-	2	2.2	7.3	10.2	0°	-
17	6.1	12.2	9.4	0.0	-	-	-	0.5	3.7	10.0	14.6	0°	-
18	2.8	12.4	7.1	0.0	-	-	-	3	1.2	5.5	7.5	270°	-
19	4.7	12.1	8.1	0.0	-	-	-	0	2.2	7.3	10.5	180°	-
20	5.6	13.3	9.6	0.3	-	-	-	0	4.8	12.0	17.9	135°	-
21	10.5	13.7	12.0	1.6	1.1	-	-	0	4.8	11.8	17.4	135°	4.5
22	9.3	15.4	11.9	0.0	-	-	-	2	3.3	5.9	9.2	135°	5.9
23	8.7	16.1	12.1	0.0	-	-	-	5	3.1	8.1	11.0	180°	6.3
24	12.2	17.0	14.5	2.5	0.8	-	-	0.5	5.3	15.2	23.8	180°	11.4
25	10.8	16.6	12.7	0.0	-	-	-	7	7.6	18.3	26.9	225°	12.8
26	9.8	15.8	12.1	0.0	-	-	-	7	4.3	10.0	16.8	225°	8.5
27	11.7	17.5	13.9	3.0	1.6	-	-	2	2.8	8.0	11.2	180°	5.1
28	11.1	16.3	13.1	0.0	-	-	-	0.5	2.3	7.1	9.8	225°	6.0
29	11.0	16.8	13.2	0.3	-	-	-	1	1.9	6.4	8.6	135°	4.9
30	10.8	14.8	12.3	0.3	-	-	-	1	2.9	7.3	10.5	180°	5.4
31	10.3	16.8	12.8	1.9	1.9	1.1	-	2	2.6	7.2	10.2	135°	5.3

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	52	82	68	4.1	11.9	7.9	1016	1021	1018
2	49	80	67	3.5	9.1	6.1	1016	1021	1018
3	60	89	75	8.2	10.8	9.2	1006	1016	1011
4	50	87	69	4.0	11.0	7.0	1009	1014	1012
5	80	94	87	9.0	13.0	11.0	1007	1014	1010
6	83	96	91	12.0	17.8	15.4	1005	1011	1008
7	89	98	94	8.9	16.3	12.0	1006	1012	1009
8	56	97	80	3.8	9.2	6.4	1012	1022	1017
9	73	96	86	3.2	11.6	7.5	1011	1022	1016
10	58	98	84	9.2	12.7	11.1	1011	1018	1014
11	69	94	85	6.0	13.2	10.1	1013	1019	1016
12	57	85	75	4.0	9.1	6.3	1019	1031	1025
13	53	93	77	3.6	7.8	5.8	1030	1032	1031
14	65	90	80	3.3	9.4	7.7	1030	1033	1032
15	52	87	71	5.0	9.0	6.5	1031	1034	1032
16	54	94	75	3.8	10.7	7.0	1031	1033	1032
17	58	87	73	3.0	5.0	4.6	1028	1033	1030
18	54	86	74	1.0	4.0	2.5	1020	1028	1024
19	61	92	79	3.0	9.0	5.5	1005	1020	1012
20	70	89	80	2.0	9.0	6.0	995	1005	1000
21	88	96	93	9.7	12.9	10.6	994	996	995
22	71	98	90	8.9	12.5	10.1	995	1004	1000
23	65	98	87	8.3	12.0	9.8	1003	1010	1006
24	71	98	91	8.8	16.2	13.0	1003	1009	1006
25	57	89	78	7.0	10.5	8.8	1009	1013	1011
26	60	91	78	6.3	9.9	8.3	1014	1021	1018
27	69	97	86	8.6	14.5	11.5	1017	1021	1019
28	82	97	91	9.8	14.3	11.6	1016	1021	1018
29	77	98	93	10.1	14.6	11.9	1021	1024	1022
30	81	98	92	9.6	12.7	11.0	1020	1024	1022
31	83	98	94	10.3	16.8	12.6	1020	1023	1022

Other measures

Day	Night	Daymax	T+10m	T+1h	H+1h	T-10m	T-1h	H-1h	Fmin	Fmax	Fmean	AQmin	AQmax	AQmean
1	12.8	16.3	-	-	-	-	-	-	9.9	17.3	14.5	-	-	-
2	8.0	16.8	-	-	-	-	-	-	6.5	16.8	12.2	-	-	-
3	11.7	16.0	-	-	-	-	-	-	13.1	13.6	13.4	-	-	-
4	8.8	15.9	-	-	-	-	-	-	-	-	-	-	-	-
5	11.2	14.2	-	-	-	-	-	-	-	-	-	-	-	-
6	12.9	18.4	-	-	-	-	-	-	13.2	24.0	22.2	-	-	-
7	11.3	12.8	-	-	-	-	-	-	7.8	22.2	15.2	-	-	-
8	6.0	15.4	-	-	-	-	-	-	4.9	15.4	10.0	-	-	-
9	5.3	13.6	-	-	-	-	-	-	3.9	14.5	10.4	-	-	-
10	11.7	18.3	-	-	-	-	-	-	13.7	20.0	15.7	-	-	-
11	11.5	15.4	-	-	-	-	-	-	10.9	17.6	14.5	-	-	-
12	8.4	15.7	-	-	-	-	-	-	8.7	16.2	13.2	-	-	-
13	5.7	16.1	-	-	-	-	-	-	-	-	-	-	-	-
14	9.9	14.1	-	-	-	-	-	-	-	-	-	-	-	-
15	9.1	16.3	-	-	-	-	-	-	-	-	-	-	-	-
16	10.7	13.8	-	-	-	-	-	-	-	-	-	-	-	-
17	6.1	12.2	-	-	-	-	-	-	-	-	-	-	-	-
18	2.8	12.4	-	-	-	-	-	-	-	-	-	-	-	-
19	4.7	12.1	-	-	-	-	-	-	-	-	-	-	-	-
20	5.6	13.3	-	-	-	-	-	-	-	-	-	-	-	-
21	11.7	13.7	-	-	-	-	-	-	8.7	15.7	10.7	-	-	-
22	9.3	15.4	0.9	2.6	11	0.8	2.2	17	8.3	17.8	13.2	-	-	-
23	8.7	16.1	1.1	3.2	12	0.7	1.8	23	8.3	17.2	13.3	-	-	-
24	13.0	17.0	0.5	1.2	8	0.9	2.3	19	12.9	21.5	17.4	-	-	-
25	10.8	16.6	0.8	2.1	8	0.4	1.4	16	11.6	17.1	13.4	-	-	-
26	10.6	15.8	1.2	2.6	9	1.4	2.6	14	9.8	16.4	12.6	-	-	-
27	11.7	17.5	0.8	2.2	9	1.0	2.6	11	12.7	20.5	15.9	-	-	-
28	11.1	16.3	0.7	2.3	8	1.7	2.8	8	12.3	19.6	15.2	-	-	-
29	11.0	16.8	0.7	1.7	8	0.7	2.0	15	12.3	19.8	15.4	-	-	-
30	10.8	14.8	0.6	1.7	5	0.6	1.7	10	12.3	17.0	14.0	-	-	-
31	10.3	16.8	0.8	2.1	6	0.8	2.3	15	11.5	21.0	14.7	-	-	-

View daily report for the 1st