Monthly Report for December 2021

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	5.5 °C (+1.9)	-1.4 °C	13.2 °C	10:09
Maximum Temperature	9.5 °C (+1.3)	4.4 °C	14.7 °C	12:30
Mean Temperature	7.6 °C (+1.6)	1.9 °C	13.9 °C
Minimum Humidity	81%	69%	94%	12:53
Maximum Humidity	93%	83%	98%	09:54
Mean Humidity	88%	76%	96%
Minimum Pressure	1009 hPa	985 hPa	1040 hPa	11:17
Maximum Pressure	1018 hPa	999 hPa	1043 hPa	12:37
Mean Pressure	1013 hPa	992 hPa	1041 hPa
Mean Wind Speed	5.2 mph (+0.1)	0.1 mph	11.4 mph
Maximum Wind Speed	13.0 mph	4.3 mph	22.5 mph	11:21
Maximum Gust	21.7 mph	6.8 mph	33.1 mph	08:08
Mean Wind Direction	216° [SW]	59° [ENE]	336° [NNW]
Rainfall	72.0 mm (126%)	0.0 mm	20.4 mm
Maximum Hourly Rain	1.9 mm	0.5 mm	4.6 mm	10:18
Maximum 10-min Rain	0.8 mm	0.3 mm	2.0 mm	11:18
Maximum Rain Rate	6 mm/h	0.3 mm/h	14 mm/h	10:06
Minimum Dew Point	3.6 °C	-2.8 °C	11.1 °C	13:05
Maximum Dew Point	7.7 °C	0.3 °C	13.0 °C	11:35
Mean Dew Point	5.6 °C	-1.1 °C	12.0 °C
Night Minimum (21-09)	6.0 °C	-1.4 °C	12.6 °C	09:04
Day Maximum (09-21)	9.2 °C	4.4 °C	14.7 °C	15:01
Max 10m Temp Rise	0.3 °C	0.1 °C	0.9 °C	09:56
Max 1hr Temp Rise	1.0 °C	0.1 °C	3.2 °C	10:55
Max 1hr Hum Rise	4%	1%	13%	11:16
Max 10m Temp Fall	0.3 °C	0.1 °C	1.3 °C	13:13
Max 1hr Temp Fall	0.9 °C	0.4 °C	2.6 °C	15:08
Max 1hr Hum Fall	5%	1%	12%	10:53
Max 10m Wind Speed	10.0 mph	1.9 mph	16.0 mph	10:40
Minimum Feels-like	2.3 °C	-5.2 °C	15.4 °C	08:47
Maximum Feels-like	9.8 °C	3.0 °C	17.3 °C	11:32
Mean Feels-like	6.4 °C	-1.4 °C	16.2 °C
Air-frost Hrs	10 hrs	0 hrs	10 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	4.0 °C (-0.6)	1.3 °C	8.5 °C
Humidity Range	12%	4%	25%
Pressure Range	9 hPa	2 hPa	25 hPa
Sun Hours	29 (45%) [13%]
Wet Hours	64 (103%) [8.6%]

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	13	Falling Snow	0
> 0.1 mm	17	Min < 0.0 °C	2	> 1 hrs	6	Lying Snow	0
> 0.3 mm	17	Mean < 0.0 °C	0	> 3 hrs	4	Hail	0
> 1.0 mm	15	Mean > 20.0 °C	0	> 5 hrs	2	Thunder	0
> 5.0 mm	2	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	1
> 10.0 mm	2	Max > 30.0 °C	0	> 25% max poss.	6	Gusts > 30mph	5
> 20.0 mm	1	Ice Days	0	> 95% max poss.	1	Total Events	6

Misc.

Mean rainfall for days with >0.3mm: 4.2 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	2.5	10.7	7.7	2.4	2.4	1.5	14	2	8.8	18.9	30.8	315°	14.8
2	0.7	4.4	2.2	0.0	-	-	-	7	5.9	12.4	19.4	326°	9.9
3	1.8	8.7	5.5	0.7	0.5	0.3	0.3	0	3.3	13.8	20.5	247°	10.7
4	2.7	7.4	5.7	3.1	1.9	0.7	4.8	5	6.4	15.9	27.4	291°	11.7
5	4.1	6.2	5.0	1.9	0.7	0.3	1.2	0	7.9	18.2	27.4	336°	14.6
6	2.7	6.8	4.4	1.9	0.9	0.3	1.2	0	4.4	14.8	27.4	269°	11.6
7	1.6	7.7	4.7	4.6	3.9	2.0	14	0	6.7	16.7	29.7	214°	13.3
8	5.3	7.8	6.4	0.0	-	-	-	2	10.3	18.1	26.2	243°	14.1
9	3.9	8.0	6.2	5.0	3.8	1.2	14	4	5.1	12.7	19.4	241°	9.8
10	2.9	8.0	5.5	2.2	1.2	0.5	2.1	6	9.4	17.8	28.5	321°	15.1
11	2.2	10.7	5.7	2.6	1.4	0.5	2.1	0.4	4.0	9.5	28.5	253°	7.8
12	10.5	12.9	11.7	1.0	0.7	0.5	2.1	1	7.2	13.5	18.2	233°	10.2
13	9.7	11.5	10.6	0.0	-	-	-	0	7.2	12.5	21.7	222°	10.3
14	9.8	12.4	11.1	0.0	-	-	-	0	5.8	9.5	14.8	240°	7.7
15	10.3	12.9	11.9	0.0	-	-	-	0	3.1	10.0	17.1	261°	8.1
16	9.8	11.8	10.8	0.0	-	-	-	0	0.1	4.3	6.8	267°	1.9
17	6.2	9.9	8.3	0.0	-	-	-	0	1.8	9.8	13.7	84°	7.3
18	6.3	8.2	7.6	0.0	-	-	-	0	2.6	9.4	16.0	105°	6.6
19	2.6	6.4	4.3	0.0	-	-	-	0	2.3	9.4	16.0	59°	7.0
20	5.1	6.8	5.9	0.0	-	-	-	0	1.4	7.4	13.7	68°	5.3
21	-0.6	6.1	4.3	0.0	-	-	-	0	0.3	5.5	12.5	104°	3.5
22	-1.4	4.7	1.9	0.0	-	-	-	0.2	1.7	7.2	11.4	165°	5.4
23	4.3	10.6	8.0	0.0	-	-	-	0	5.5	11.7	19.4	235°	9.1
24	7.1	10.1	8.6	20.4	4.1	1.0	7	0	2.2	8.7	19.4	194°	6.6
25	5.0	8.3	6.6	1.4	0.5	0.3	1.1	0	5.8	13.0	20.5	115°	8.7
26	4.7	8.6	6.6	14.6	4.6	1.2	14	0	3.0	12.7	20.5	142°	8.3
27	7.8	10.8	9.3	3.8	1.2	0.5	2.4	0.1	4.3	9.7	16.0	179°	7.1
28	9.0	10.9	10.0	3.6	2.1	1.5	14	0.4	7.0	18.7	33.1	274°	16.0
29	7.8	14.6	11.0	1.4	1.2	0.5	2.9	0.1	6.7	19.0	33.1	235°	14.6
30	13.2	14.5	13.9	0.0	-	-	-	0	11.4	22.5	31.9	232°	16.0
31	12.6	14.7	13.4	1.4	1.4	1.0	4.8	0.3	9.3	20.5	31.9	234°	16.0

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	72	91	83	-0.9	9.3	5.0	995	1008	1000
2	73	89	79	-1.9	0.3	-1.1	1008	1016	1012
3	79	95	90	-1.1	7.4	4.0	999	1014	1005
4	72	97	85	1.4	5.8	3.4	997	1000	998
5	84	92	89	2.2	4.9	3.3	999	1016	1007
6	82	93	89	0.8	5.4	2.8	1005	1016	1010
7	81	92	88	0.0	6.4	2.8	986	1011	998
8	69	83	76	1.6	3.6	2.6	985	999	992
9	72	93	81	1.3	6.9	3.2	990	1004	1000
10	74	93	83	0.6	6.9	2.8	989	1012	1000
11	82	95	89	0.3	9.9	4.0	1012	1018	1016
12	84	96	91	8.8	11.3	10.2	1017	1023	1020
13	85	93	88	7.7	9.7	8.7	1022	1026	1024
14	85	92	89	8.1	10.3	9.3	1026	1029	1028
15	76	92	83	8.4	10.0	9.1	1028	1036	1032
16	76	84	80	6.5	8.5	7.6	1036	1042	1039
17	79	93	88	5.0	7.1	6.5	1040	1043	1041
18	91	96	93	5.6	7.0	6.6	1039	1041	1040
19	93	97	96	1.9	5.8	3.8	1032	1039	1035
20	77	94	85	1.9	4.8	3.5	1028	1032	1030
21	72	90	82	-2.8	3.5	1.5	1025	1028	1026
22	79	92	87	-2.8	2.3	-0.1	1014	1025	1020
23	86	94	91	2.2	9.7	6.6	1006	1014	1009
24	89	96	94	6.0	8.7	7.6	1002	1008	1005
25	90	95	93	4.1	7.5	5.6	1002	1006	1005
26	94	98	96	3.9	8.2	6.1	1000	1004	1002
27	92	96	94	7.0	9.7	8.4	988	1000	993
28	80	95	87	6.6	9.6	8.0	987	1005	994
29	81	96	89	6.1	13.0	9.3	1001	1010	1005
30	84	92	89	11.1	12.8	12.0	1010	1016	1013
31	84	92	87	10.6	12.4	11.3	1013	1022	1018

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	7.8	9.6	0.3	0.9	13	1.1	2.6	6	-2.3	11.7	5.3	0	-	-	-
2	0.7	4.4	0.3	1.2	9	0.3	1.1	10	-5.2	3.0	-1.4	0	-	-	-
3	1.1	8.7	0.3	1.2	6	0.4	1.5	3	-4.0	8.8	3.7	0	-	-	-
4	2.7	7.4	0.9	3.2	8	0.5	1.1	8	-0.8	6.4	2.7	0	-	-	-
5	4.1	6.2	0.2	0.7	4	0.2	0.6	4	-1.9	4.6	1.2	0	-	-	-
6	2.9	6.8	0.3	1.1	3	0.3	1.1	7	-2.5	5.5	1.9	0	-	-	-
7	1.6	7.7	0.5	2.2	5	1.3	2.2	6	-2.2	5.6	1.6	0	-	-	-
8	5.3	7.8	0.3	0.8	5	0.2	0.6	3	0.1	5.6	2.4	0	-	-	-
9	3.9	7.8	0.4	1.3	8	0.2	0.6	5	-0.2	8.0	3.6	0	-	-	-
10	4.2	6.7	0.3	1.1	3	0.2	0.8	4	-1.8	8.0	1.6	0	-	-	-
11	2.2	9.8	0.3	1.4	3	0.1	0.4	4	-4.3	11.9	4.2	0	-	-	-
12	9.7	12.9	0.2	0.8	3	0.2	0.7	3	11.6	14.8	13.1	0	-	-	-
13	10.4	11.4	0.2	0.4	3	0.2	0.5	3	6.5	12.4	10.8	0	-	-	-
14	9.7	12.4	0.2	0.8	3	0.2	0.6	4	7.1	13.8	11.8	0	-	-	-
15	10.3	12.9	0.2	0.4	2	0.2	0.5	5	11.2	13.9	12.8	0	-	-	-
16	10.6	11.4	0.2	0.4	3	0.2	0.4	5	9.8	12.4	11.1	0	-	-	-
17	8.3	8.3	0.2	0.9	4	0.4	1.3	2	3.6	10.0	7.4	0	-	-	-
18	7.5	8.2	0.2	0.3	2	0.2	0.4	1	3.7	8.1	6.3	0	-	-	-
19	2.6	5.2	0.3	0.8	1	0.3	1.1	3	-2.0	6.4	2.9	0	-	-	-
20	5.2	6.8	0.2	0.4	2	0.2	0.4	6	1.7	6.7	5.1	0	-	-	-
21	4.6	6.1	0.2	0.6	5	0.5	2.0	12	-0.6	6.1	4.1	0.7	-	-	-
22	-1.4	4.7	0.5	1.9	3	0.2	0.6	5	-5.1	4.7	0.6	10	-	-	-
23	3.7	10.6	0.3	1.2	2	0.3	1.0	2	0.3	11.7	6.6	0	-	-	-
24	7.1	10.1	0.3	0.9	3	0.2	0.6	4	2.8	10.8	7.9	0	-	-	-
25	7.2	7.1	0.1	0.1	1	0.2	0.5	2	0.3	8.5	3.8	0	-	-	-
26	4.7	8.6	0.4	1.0	1	0.2	0.4	1	-0.5	9.1	5.2	0	-	-	-
27	7.8	10.8	0.2	0.7	1	0.2	0.5	2	5.0	11.9	8.7	0	-	-	-
28	9.1	10.9	0.4	1.3	4	0.4	0.7	8	4.0	11.5	9.3	0	-	-	-
29	7.8	14.6	0.3	1.5	6	0.3	1.1	11	5.7	17.3	11.5	0	-	-	-
30	12.4	14.5	0.2	0.5	1	0.2	0.6	2	15.4	17.1	16.2	0	-	-	-
31	12.6	14.7	0.3	0.9	3	0.3	0.7	3	14.5	17.1	15.4	0	-	-	-

View daily report for the 1st