Monthly Report for December 2018

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	5.3 °C (+1.7)	-0.4 °C	11.4 °C	11:02
Maximum Temperature	9.9 °C (+1.7)	3.8 °C	14.8 °C	13:36
Mean Temperature	7.8 °C (+1.7)	2.7 °C	13.4 °C
Minimum Humidity	79%	63%	89%	14:58
Maximum Humidity	93%	86%	98%	10:09
Mean Humidity	87%	76%	94%
Minimum Pressure	1013 hPa	995 hPa	1035 hPa	11:30
Maximum Pressure	1022 hPa	999 hPa	1038 hPa	12:32
Mean Pressure	1017 hPa	998 hPa	1036 hPa
Mean Wind Speed	4.9 mph (-0.2)	0.3 mph	10.6 mph
Maximum Wind Speed	13.4 mph	4.1 mph	23.3 mph	13:10
Maximum Gust	21.3 mph	5.8 mph	39.2 mph	12:26
Mean Wind Direction	213° [SSW]	48° [NE]	287° [WNW]
Rainfall	61.5 mm (108%)	0.0 mm	11.2 mm
Maximum Hourly Rain	1.6 mm	0.2 mm	4.6 mm	10:48
Maximum 10-min Rain	0.6 mm	0.2 mm	2.2 mm	10:21
Maximum Rain Rate	8 mm/h	0.9 mm/h	26 mm/h	10:13
Minimum Dew Point	3.3 °C	-3.5 °C	10.3 °C	12:04
Maximum Dew Point	8.0 °C	0.0 °C	12.3 °C	12:37
Mean Dew Point	5.8 °C	-1.1 °C	11.7 °C
Night Minimum (21-09)	6.0 °C	-0.4 °C	12.1 °C	09:10
Day Maximum (09-21)	9.8 °C	3.8 °C	14.8 °C	14:43
Max 10m Temp Rise	0.3 °C	0.2 °C	0.9 °C	09:42
Max 1hr Temp Rise	1.1 °C	0.4 °C	2.6 °C	10:55
Max 1hr Hum Rise	5%	1%	10%	13:22
Max 10m Temp Fall	0.4 °C	0.2 °C	1.4 °C	11:18
Max 1hr Temp Fall	1.1 °C	0.2 °C	4.2 °C	12:09
Max 1hr Hum Fall	6%	2%	12%	12:07
Max 10m Wind Speed	10.0 mph	3.3 mph	18.8 mph	13:12
Minimum Feels-like	2.5 °C	-4.9 °C	12.8 °C	11:56
Maximum Feels-like	10.4 °C	2.6 °C	17.0 °C	13:27
Mean Feels-like	6.7 °C	-1.3 °C	15.6 °C
Air-frost Hrs	1 hrs	0 hrs	1 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	4.7 °C (+0.1)	1.2 °C	8.7 °C
Humidity Range	15%	8%	29%
Pressure Range	9 hPa	2 hPa	24 hPa
Sun Hours	56 (86%) [26%]
Wet Hours	63 (102%) [8.5%]

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

December 2018

December 2018: 4th-warmest of 17 station Decembers

Mean 7.8°C, 1.9°C above normal, 4th-warmest of 17 station Decembers. Highs averaged 9.9°C and lows 5.3°C. Warmest 14.8°C (02 Dec), coldest night −0.4°C (25 Dec). 1 air frost.
Rain 61.5 mm, 108% of normal, over 12 days of 1 mm+. Wettest day: 11.2 mm on 15 Dec.
Sunshine 55.5 hours, 85% of normal. 11 days were sunless.
Days that still hold the station record for their date: 01 Dec (6.4 mm rain), 02 Dec (14.8°C max), 03 Dec (13.6°C max), 13 Dec (7.0 h sun).
Fog was noted at 09 on at least 1 day.

Written Mon 02 Nov, 18:04 GMT

‹ Nov 2018 Jan 2019 ›

Written reports for 2018: 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	20	Falling Snow	0
> 0.1 mm	16	Min < 0.0 °C	1	> 1 hrs	16	Lying Snow	0
> 0.3 mm	13	Mean < 0.0 °C	0	> 3 hrs	7	Hail	0
> 1.0 mm	12	Mean > 20.0 °C	0	> 5 hrs	4	Thunder	0
> 5.0 mm	7	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	1
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	12	Gusts > 30mph	5
> 20.0 mm	0	Ice Days	0	> 95% max poss.	1	Total Events	6

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	7.0	12.6	10.3	6.4	2.6	0.9	7	0	6.2	14.5	26.5	207°	10.8
2	11.4	14.8	13.4	1.3	1.1	0.4	2.6	0.4	7.5	16.6	27.6	227°	11.8
3	4.9	13.6	10.6	0.9	0.4	0.4	4.4	1	6.4	16.4	27.6	260°	12.1
4	2.1	7.6	5.3	1.3	0.9	0.2	0.9	4	1.5	7.8	12.7	236°	6.5
5	5.9	12.4	9.8	5.3	1.8	0.4	3.3	0	4.5	11.4	18.4	178°	8.7
6	10.6	12.9	11.9	0.2	0.2	0.2	-	0	6.9	16.9	25.3	229°	12.4
7	6.6	13.1	10.0	6.4	1.8	0.7	13	2	9.4	19.9	35.7	240°	15.0
8	7.1	11.6	9.4	0.2	0.2	0.2	-	3	10.6	20.7	34.6	248°	15.3
9	6.1	10.1	8.9	1.1	1.1	0.9	13	2	7.6	19.9	34.6	283°	15.2
10	5.8	8.7	7.2	0.0	-	-	-	0.2	3.7	10.1	16.1	274°	8.1
11	1.1	8.3	4.6	0.0	-	-	-	6	0.9	8.1	11.5	122°	5.8
12	3.6	7.3	6.0	0.0	-	-	-	1	5.8	14.1	19.6	122°	10.8
13	1.4	4.9	2.8	0.0	-	-	-	7	5.8	15.7	23.0	96°	11.8
14	1.3	3.8	2.7	0.0	-	-	-	0.2	2.6	11.5	17.3	134°	9.1
15	1.3	7.1	3.2	11.2	3.5	1.1	7	0	8.6	18.1	27.6	151°	14.3
16	4.0	8.9	6.8	6.2	4.6	2.2	26	3	3.8	10.5	18.4	212°	7.6
17	3.9	9.9	7.1	0.0	-	-	-	6	5.2	12.9	19.6	226°	8.4
18	7.2	10.4	9.5	4.2	1.5	0.4	1.9	0	8.6	19.8	33.4	191°	13.7
19	6.7	8.9	7.8	2.0	0.9	0.4	4.4	2	5.5	12.6	19.6	205°	10.0
20	6.1	9.9	8.1	0.0	-	-	-	3	6.0	15.1	20.7	220°	11.0
21	9.1	12.5	11.1	9.5	4.4	1.1	13	0.3	9.2	23.3	39.2	236°	18.8
22	7.7	11.1	9.6	0.0	-	-	-	6	5.8	17.9	26.5	249°	12.9
23	6.1	12.7	8.8	5.1	1.1	0.4	2.2	0	4.3	14.3	23.0	270°	10.9
24	0.9	7.0	4.4	0.0	-	-	-	4	0.8	5.9	10.4	48°	4.3
25	-0.4	7.9	4.4	0.0	-	-	-	0	0.6	5.4	8.1	211°	3.6
26	4.3	9.3	7.9	0.2	0.2	0.2	-	0	1.8	5.8	10.4	220°	4.5
27	2.9	8.3	4.8	0.0	-	-	-	2	0.3	4.1	5.8	242°	3.3
28	5.9	9.5	7.9	0.0	-	-	-	2	1.8	7.4	11.5	260°	5.7
29	6.8	12.3	9.8	0.0	-	-	-	0	5.0	16.1	24.2	253°	11.7
30	7.0	10.1	9.0	0.0	-	-	-	0	3.5	12.4	16.1	259°	8.9
31	8.6	9.8	9.2	0.0	-	-	-	0	3.2	9.4	15.0	287°	7.0

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	83	94	89	4.6	11.7	8.7	997	1012	1004
2	81	96	90	10.3	12.3	11.7	995	999	998
3	76	89	84	2.8	11.2	8.1	997	1013	1002
4	80	95	88	1.1	4.9	3.5	1013	1024	1021
5	89	98	94	4.5	11.5	8.8	1010	1022	1014
6	85	93	90	9.2	11.6	10.4	1011	1016	1014
7	75	94	86	3.4	12.0	7.8	999	1011	1004
8	75	89	81	4.6	9.6	6.3	998	1006	1002
9	73	90	80	4.0	7.3	5.7	999	1023	1010
10	80	89	85	4.0	5.8	4.9	1023	1029	1027
11	79	97	90	0.2	5.4	3.1	1023	1028	1025
12	63	91	79	-0.9	5.6	2.5	1019	1024	1022
13	68	90	81	-1.3	1.0	-0.2	1017	1022	1019
14	65	86	76	-3.5	0.0	-1.1	1022	1025	1023
15	65	94	82	-3.5	6.2	0.3	1002	1023	1013
16	84	95	90	3.0	7.3	5.3	1004	1008	1006
17	83	94	90	3.0	8.3	5.6	1008	1020	1017
18	73	93	85	5.4	8.6	7.1	1002	1018	1009
19	81	94	88	4.8	7.4	6.0	1004	1006	1005
20	80	92	85	4.6	7.9	5.8	1003	1008	1006
21	72	95	85	6.6	11.4	8.6	995	1007	1002
22	75	90	85	6.2	8.7	7.1	1006	1022	1016
23	87	95	92	4.9	11.3	7.7	1014	1025	1018
24	82	95	92	0.0	5.1	3.1	1025	1036	1032
25	88	98	93	-1.1	6.4	3.4	1033	1036	1035
26	86	95	91	3.0	7.6	6.5	1028	1033	1031
27	86	97	94	2.2	6.3	3.8	1026	1028	1027
28	78	95	89	5.2	7.4	6.2	1027	1034	1031
29	85	94	89	5.5	10.1	8.0	1030	1035	1033
30	87	97	93	5.7	9.0	7.9	1035	1036	1036
31	80	90	84	5.3	7.7	6.6	1035	1038	1036

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	7.0	12.6	0.3	1.0	5	0.2	0.5	3	3.5	14.7	10.4	0	-	-	-
2	11.3	14.8	0.3	0.8	6	0.3	0.7	6	12.8	17.0	15.6	0	-	-	-
3	11.2	13.6	0.3	0.8	6	0.7	2.2	7	3.2	15.3	10.9	0	-	-	-
4	2.1	7.6	0.4	1.5	5	0.4	1.4	6	-0.9	7.3	4.5	0	-	-	-
5	5.9	12.4	0.9	2.6	2	0.2	0.3	4	2.0	14.3	10.2	0	-	-	-
6	10.6	12.8	0.2	0.5	3	0.3	0.9	2	11.5	15.0	13.3	0	-	-	-
7	12.1	12.1	0.2	0.5	7	0.7	1.7	12	1.4	15.3	9.1	0	-	-	-
8	6.6	11.6	0.4	1.2	7	0.3	1.1	6	2.4	12.6	7.3	0	-	-	-
9	8.9	10.1	0.2	0.7	8	0.4	1.1	9	2.8	10.1	6.3	0	-	-	-
10	5.8	8.7	0.2	0.9	2	0.2	0.5	3	2.0	8.7	5.4	0	-	-	-
11	1.1	8.3	0.5	2.1	6	0.4	1.5	9	0.3	8.3	4.3	0	-	-	-
12	4.4	7.1	0.2	0.4	4	0.3	0.9	8	-1.7	7.3	3.1	0	-	-	-
13	1.6	4.9	0.3	0.9	6	0.3	0.7	7	-3.4	2.6	-0.8	0	-	-	-
14	1.3	3.8	0.3	1.3	6	0.2	0.5	8	-2.8	3.8	1.1	0	-	-	-
15	1.3	6.4	0.3	1.4	9	0.2	0.6	2	-4.9	6.1	-1.3	0	-	-	-
16	4.0	8.9	0.4	1.6	3	0.3	1.0	5	1.5	8.8	5.0	0	-	-	-
17	3.9	9.1	0.4	1.7	4	0.3	1.1	4	0.1	8.9	4.7	0	-	-	-
18	8.9	10.1	0.2	0.5	10	0.3	1.2	5	3.8	11.0	8.1	0	-	-	-
19	6.7	8.9	0.3	0.7	6	0.2	0.5	5	3.2	8.2	5.4	0	-	-	-
20	6.1	9.9	0.3	1.3	8	0.2	0.6	4	2.3	9.4	5.6	0	-	-	-
21	8.5	12.3	0.3	1.0	6	0.3	1.2	11	7.0	14.4	11.7	0	-	-	-
22	8.6	11.1	0.2	0.9	5	0.2	0.9	5	5.2	11.7	8.5	0	-	-	-
23	7.3	12.7	0.3	1.0	5	1.4	4.2	5	2.9	14.6	8.2	0	-	-	-
24	2.9	7.0	0.4	1.4	5	0.5	2.0	7	0.9	7.0	4.0	0	-	-	-
25	-0.4	7.8	0.4	1.5	2	0.3	0.9	7	-0.4	7.9	4.1	1	-	-	-
26	7.3	9.3	0.2	0.5	5	0.4	1.5	2	4.0	9.5	7.2	0	-	-	-
27	2.9	8.3	0.4	1.5	4	0.5	2.0	6	1.8	8.3	4.7	0	-	-	-
28	4.9	9.5	0.2	0.6	3	0.2	0.2	8	5.2	9.4	7.2	0	-	-	-
29	8.8	12.3	0.4	0.7	4	0.5	1.9	3	4.3	13.6	9.2	0	-	-	-
30	6.8	10.1	0.2	0.7	4	0.2	0.3	2	3.5	10.7	7.7	0	-	-	-
31	8.6	9.6	0.2	0.4	1	0.2	0.3	4	5.5	10.1	7.9	0	-	-	-

View daily report for the 1st