Monthly Report for December 2014

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	3.5 °C (-0.1)	-1.4 °C	12.4 °C	13:13
Maximum Temperature	8.9 °C (+0.7)	4.6 °C	13.6 °C	12:38
Mean Temperature	6.1 °C (+0.3)	1.1 °C	13.0 °C
Minimum Humidity	72%	53%	86%	14:00
Maximum Humidity	92%	76%	97%	08:55
Mean Humidity	83%	71%	91%
Minimum Pressure	1013 hPa	990 hPa	1037 hPa	11:29
Maximum Pressure	1023 hPa	1005 hPa	1042 hPa	12:12
Mean Pressure	1018 hPa	996 hPa	1040 hPa
Mean Wind Speed	6.1 mph (+1.0)	2.7 mph	9.8 mph
Maximum Wind Speed	14.9 mph	7.4 mph	23.5 mph	11:26
Maximum Gust	21.4 mph	10.2 mph	33.7 mph	10:26
Mean Wind Direction	221° [SW]	6° [N]	343° [NNW]
Rainfall	41.2 mm (72%)	0.0 mm	10.7 mm
Maximum Hourly Rain	1.2 mm	0.2 mm	3.2 mm	11:21
Maximum 10-min Rain	0.6 mm	0.2 mm	2.0 mm	10:28
Maximum Rain Rate	11 mm/h	0.2 mm/h	30 mm/h	10:38
Minimum Dew Point	0.7 °C	-4.3 °C	10.4 °C	11:00
Maximum Dew Point	6.6 °C	0.7 °C	11.5 °C	11:49
Mean Dew Point	3.3 °C	-2.1 °C	10.9 °C
Night Minimum (21-09)	4.2 °C	-1.4 °C	12.1 °C	08:51
Day Maximum (09-21)	8.0 °C	3.6 °C	13.6 °C	14:21
Max 10m Temp Rise	0.3 °C	0.1 °C	0.5 °C	10:32
Max 1hr Temp Rise	1.1 °C	0.2 °C	2.1 °C	11:09
Max 1hr Hum Rise	5%	2%	14%	14:01
Max 10m Temp Fall	0.4 °C	0.1 °C	1.2 °C	09:29
Max 1hr Temp Fall	1.2 °C	0.2 °C	4.9 °C	12:52
Max 1hr Hum Fall	9%	3%	24%	10:44
Max 10m Wind Speed	11.0 mph	5.8 mph	17.6 mph	11:08
Minimum Feels-like	0.0 °C	-5.6 °C	14.1 °C	12:43
Maximum Feels-like	8.8 °C	4.3 °C	15.5 °C	12:01
Mean Feels-like	4.2 °C	-1.2 °C	14.7 °C
Air-frost Hrs	20 hrs	0 hrs	8 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	5.3 °C (+0.7)	1.2 °C	11.2 °C
Humidity Range	20%	8%	39%
Pressure Range	10 hPa	2 hPa	33 hPa
Sun Hours	89 (137%) [41%]
Wet Hours	45 (73%) [6%]

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	17	Min < -5.0 °C	0	> 0 hrs	24	Falling Snow	0
> 0.1 mm	16	Min < 0.0 °C	4	> 1 hrs	19	Lying Snow	0
> 0.3 mm	15	Mean < 0.0 °C	0	> 3 hrs	13	Hail	0
> 1.0 mm	8	Mean > 20.0 °C	0	> 5 hrs	9	Thunder	0
> 5.0 mm	3	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	0
> 10.0 mm	2	Max > 30.0 °C	0	> 25% max poss.	17	Gusts > 30mph	4
> 20.0 mm	0	Ice Days	0	> 95% max poss.	2	Total Events	4

Misc.

Mean rainfall for days with >0.3mm: 2.7 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	5.6	9.3	6.9	0.0	-	-	-	0	4.8	10.2	14.7	32°	7.7
2	5.8	7.7	6.6	0.6	0.3	0.3	-	0	7.7	18.5	30.6	8°	14.0
3	3.8	7.9	5.9	0.1	-	-	-	2	7.4	15.6	24.6	22°	11.2
4	3.4	6.0	4.0	0.7	0.3	0.2	-	0	3.1	13.7	17.3	60°	9.8
5	2.3	5.9	4.1	0.2	0.2	0.2	-	1	3.1	9.4	10.9	303°	6.6
6	-0.8	4.6	2.4	0.0	-	-	-	7	3.2	7.8	10.5	283°	6.4
7	2.7	9.8	6.6	0.5	0.4	0.4	18	2	5.9	13.8	19.4	249°	9.9
8	2.6	6.2	4.0	0.0	-	-	-	6	5.6	12.5	18.5	278°	9.4
9	0.1	11.3	5.0	0.9	0.7	0.2	1.1	1	6.2	17.3	25.1	235°	13.8
10	5.5	11.8	7.6	1.1	0.9	0.9	30	6	8.3	23.0	33.7	246°	17.6
11	5.3	9.1	6.9	1.5	0.9	0.6	5	2	8.7	18.1	25.3	246°	13.0
12	3.0	10.1	7.1	10.7	3.0	1.1	18	0	7.1	17.8	27.9	252°	14.6
13	0.2	5.4	2.4	0.0	-	-	-	6	2.7	7.4	10.9	281°	6.1
14	0.9	9.6	5.8	0.4	0.4	0.2	0.2	4	6.5	17.8	24.2	223°	13.2
15	3.7	9.6	6.8	0.4	0.4	0.2	0.3	4	4.2	11.2	14.7	258°	7.7
16	2.7	6.8	4.7	3.1	2.4	0.5	2.7	6	4.4	10.3	13.7	251°	7.9
17	6.8	12.9	11.1	5.7	2.1	0.6	3.6	0.5	6.9	12.8	19.4	250°	9.5
18	12.4	13.6	13.0	0.0	-	-	-	0	9.8	21.5	29.4	243°	14.3
19	5.3	12.9	9.3	2.6	2.2	2.0	30	6	7.3	18.1	28.4	258°	13.8
20	4.9	9.4	6.8	0.0	-	-	-	4	6.3	16.1	24.2	257°	10.4
21	4.8	11.8	8.6	0.0	-	-	-	0.1	8.1	19.2	29.7	235°	14.0
22	11.6	13.3	12.5	0.0	-	-	-	0	9.8	21.0	29.4	240°	16.3
23	10.8	12.8	11.7	0.0	-	-	-	1	9.7	23.5	30.4	234°	14.9
24	4.6	11.7	8.5	0.7	0.7	0.6	3.6	2	7.3	17.6	26.3	268°	12.5
25	3.0	7.5	4.8	0.0	-	-	-	6	5.1	12.1	17.3	279°	9.8
26	0.7	8.7	3.6	10.7	3.2	1.0	18	0	3.6	12.8	17.6	221°	8.7
27	1.7	8.7	2.9	1.3	0.5	0.4	18	0.5	8.6	18.7	30.8	343°	14.7
28	-1.3	4.6	1.9	0.0	-	-	-	7	5.4	12.8	18.5	6°	9.6
29	-1.2	4.8	1.1	0.0	-	-	-	7	3.4	7.6	10.2	309°	5.8
30	-1.4	4.7	1.3	0.0	-	-	-	5	3.5	9.0	12.1	253°	6.7
31	0.4	7.0	3.9	0.0	-	-	-	2	5.4	13.8	18.1	219°	10.8

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	78	92	86	3.4	8.1	4.7	1012	1015	1013
2	77	95	89	2.1	6.5	4.8	1013	1023	1017
3	68	89	82	0.9	5.2	3.0	1020	1025	1023
4	72	95	88	0.2	4.2	2.1	1013	1020	1015
5	83	95	90	0.4	3.9	2.6	1015	1024	1019
6	71	92	85	-2.2	2.1	0.0	1024	1029	1027
7	56	93	79	-1.6	8.6	3.1	1015	1024	1018
8	62	86	76	-0.9	2.3	0.1	1016	1026	1020
9	74	94	86	-1.5	10.0	2.9	1012	1029	1024
10	53	92	71	-0.8	10.4	2.5	1011	1016	1014
11	65	86	77	1.6	5.8	3.2	1001	1012	1008
12	73	93	83	-0.4	9.0	4.3	990	1005	996
13	69	90	83	-2.4	1.9	-0.2	1004	1014	1010
14	73	92	86	-0.5	8.4	3.5	1007	1014	1011
15	80	93	86	2.1	8.4	4.6	1008	1012	1011
16	83	95	90	1.8	5.6	3.1	1010	1015	1013
17	86	94	91	5.6	11.0	9.7	1000	1010	1006
18	82	91	87	10.4	11.5	10.9	1008	1010	1010
19	57	91	76	0.8	11.2	5.3	1008	1023	1015
20	62	85	75	1.8	3.7	2.6	1023	1031	1026
21	75	91	83	2.1	9.4	5.9	1021	1031	1026
22	72	93	79	6.8	11.4	9.0	1016	1021	1018
23	65	76	72	5.0	8.0	6.8	1013	1017	1016
24	53	92	72	-1.5	10.4	3.6	1011	1024	1017
25	67	86	78	0.3	3.1	1.1	1024	1032	1028
26	81	96	90	-1.2	8.1	2.1	999	1032	1022
27	84	95	90	0.4	7.9	1.4	996	1014	1007
28	61	93	76	-4.3	0.7	-2.1	1014	1037	1029
29	75	93	86	-3.0	1.1	-1.1	1037	1042	1040
30	83	96	91	-2.3	2.7	-0.0	1035	1042	1038
31	81	97	90	-0.7	4.8	2.4	1031	1035	1032

Other measures

Day	Night	Daymax	T+10m	T+1h	H+1h	T-10m	T-1h	H-1h	Fmin	Fmax	Fmean	AF hrs	AQmin	AQmax	AQmean
1	6.9	7.0	0.1	0.2	3	0.2	0.8	5	2.8	8.2	4.9	0	-	-	-
2	5.6	7.7	0.2	0.6	6	0.2	0.8	5	1.0	6.7	3.8	0	-	-	-
3	3.8	7.9	0.4	1.6	14	0.3	1.1	8	-1.7	6.4	2.8	0	-	-	-
4	3.5	3.7	0.1	0.2	9	0.2	0.7	10	-0.3	4.7	2.5	0	-	-	-
5	3.4	5.9	0.3	1.0	4	0.2	0.7	5	-0.6	5.5	2.6	0	-	-	-
6	-0.8	4.6	0.4	1.4	5	0.2	0.7	9	-4.0	4.6	0.5	2	-	-	-
7	3.0	9.8	0.4	1.5	7	0.7	1.2	19	-1.4	8.5	4.1	0	-	-	-
8	2.6	6.2	0.4	1.5	4	0.2	0.6	13	-2.0	4.9	1.0	0	-	-	-
9	0.1	9.6	0.4	1.4	8	0.4	1.2	8	-3.2	12.6	2.9	0	-	-	-
10	6.1	8.2	0.2	0.8	6	0.6	2.0	24	1.1	13.3	5.1	0	-	-	-
11	5.5	8.5	0.5	1.7	9	0.6	1.2	12	0.3	7.7	3.5	0	-	-	-
12	8.5	8.6	0.2	0.7	9	0.5	1.4	9	-0.7	10.9	4.5	0	-	-	-
13	0.3	5.4	0.5	2.1	7	0.4	2.1	13	-2.4	5.4	1.0	0	-	-	-
14	0.9	9.4	0.4	2.0	5	0.1	0.2	7	-3.5	8.4	3.0	0	-	-	-
15	5.8	7.9	0.3	0.9	4	0.5	1.7	7	1.3	8.8	5.2	0	-	-	-
16	2.7	6.6	0.3	1.2	5	0.2	0.6	4	-1.3	6.5	2.4	0	-	-	-
17	5.6	12.9	0.2	1.0	3	0.1	0.3	3	2.7	14.7	11.8	0	-	-	-
18	12.1	13.6	0.2	0.5	3	0.1	0.3	3	14.1	15.5	14.7	0	-	-	-
19	9.2	9.2	0.2	0.3	4	0.9	2.1	17	1.5	14.7	8.2	0	-	-	-
20	4.9	9.4	0.3	0.9	4	0.2	0.8	7	0.5	8.5	4.2	0	-	-	-
21	4.8	11.2	0.3	0.9	5	0.1	0.3	6	1.4	12.8	7.0	0	-	-	-
22	11.2	13.3	0.2	0.7	3	0.2	0.7	8	11.6	15.0	13.3	0	-	-	-
23	11.1	12.8	0.2	0.5	6	0.4	0.8	8	10.8	13.0	11.7	0	-	-	-
24	9.5	9.5	0.1	0.3	6	0.8	1.9	15	0.1	13.2	7.0	0	-	-	-
25	3.2	7.5	0.4	1.4	4	0.2	0.9	10	-0.7	7.2	2.2	0	-	-	-
26	0.7	6.4	0.4	1.4	5	0.3	1.2	5	-2.8	7.9	1.8	0	-	-	-
27	1.9	3.6	0.2	0.5	7	1.2	4.9	11	-5.0	7.2	-1.2	0	-	-	-
28	1.3	4.6	0.5	1.6	6	0.5	2.4	8	-4.6	4.5	-1.1	2	-	-	-
29	-1.3	4.8	0.4	1.4	4	0.3	1.0	9	-5.1	4.3	-1.0	7	-	-	-
30	-1.4	4.7	0.3	1.5	2	0.3	0.9	6	-5.6	4.7	-1.0	8	-	-	-
31	0.4	7.0	0.4	1.9	3	0.3	1.1	8	-3.3	5.4	1.3	0	-	-	-

View daily report for the 1st