Monthly Report for January 2015

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	2.2 °C (-0.8)	-4.1 °C	8.4 °C	13:51
Maximum Temperature	8.3 °C (+0.5)	3.5 °C	14.8 °C	12:26
Mean Temperature	5.4 °C (-0.2)	0.6 °C	11.9 °C
Minimum Humidity	67%	48%	96%	12:15
Maximum Humidity	92%	76%	98%	11:09
Mean Humidity	81%	69%	97%
Minimum Pressure	1008 hPa	974 hPa	1031 hPa	13:20
Maximum Pressure	1019 hPa	981 hPa	1036 hPa	12:17
Mean Pressure	1013 hPa	978 hPa	1034 hPa
Mean Wind Speed	6.2 mph (+1.0)	2.1 mph	11.1 mph
Maximum Wind Speed	16.2 mph	7.6 mph	28.4 mph	13:09
Maximum Gust	23.4 mph	9.8 mph	40.9 mph	14:34
Mean Wind Direction	241° [WSW]	20° [NNE]	337° [NNW]
Rainfall	75.7 mm (128%)	0.0 mm	15.8 mm
Maximum Hourly Rain	1.4 mm	0.2 mm	4.8 mm	11:33
Maximum 10-min Rain	0.6 mm	0.2 mm	2.0 mm	10:53
Maximum Rain Rate	11 mm/h	0.6 mm/h	42 mm/h	10:45
Minimum Dew Point	-1.0 °C	-5.6 °C	5.3 °C	11:28
Maximum Dew Point	6.1 °C	0.4 °C	13.2 °C	13:51
Mean Dew Point	2.3 °C	-1.9 °C	8.9 °C
Night Minimum (21-09)	3.6 °C	-4.1 °C	12.0 °C	09:02
Day Maximum (09-21)	7.6 °C	3.2 °C	14.8 °C	15:00
Max 10m Temp Rise	0.3 °C	0.1 °C	0.6 °C	08:55
Max 1hr Temp Rise	1.1 °C	0.3 °C	2.0 °C	10:53
Max 1hr Hum Rise	6%	1%	14%	11:34
Max 10m Temp Fall	0.4 °C	0.1 °C	1.9 °C	11:05
Max 1hr Temp Fall	1.1 °C	0.0 °C	2.9 °C	11:23
Max 1hr Hum Fall	9%	1%	22%	11:52
Max 10m Wind Speed	11.7 mph	5.5 mph	20.4 mph	13:24
Minimum Feels-like	-1.7 °C	-6.2 °C	4.4 °C	11:49
Maximum Feels-like	8.2 °C	1.9 °C	17.4 °C	12:25
Mean Feels-like	3.2 °C	-1.1 °C	12.2 °C
Air-frost Hrs	40 hrs	0 hrs	11 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	6.0 °C (+1.2)	2.8 °C	11.4 °C
Humidity Range	25%	2%	44%
Pressure Range	11 hPa	3 hPa	23 hPa
Sun Hours	76 (110%) [33%]
Wet Hours	70 (104%) [9.4%]

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	23	Min < -5.0 °C	0	> 0 hrs	25	Falling Snow	3
> 0.1 mm	23	Min < 0.0 °C	7	> 1 hrs	20	Lying Snow	0
> 0.3 mm	20	Mean < 0.0 °C	0	> 3 hrs	9	Hail	0
> 1.0 mm	12	Mean > 20.0 °C	0	> 5 hrs	4	Thunder	1
> 5.0 mm	5	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	1
> 10.0 mm	2	Max > 30.0 °C	0	> 25% max poss.	19	Gusts > 30mph	7
> 20.0 mm	0	Ice Days	0	> 95% max poss.	1	Total Events	12

Misc.

Mean rainfall for days with >0.3mm: 3.8 mm
Total snowfall: 0.5 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	5.2	12.0	8.7	0.6	0.6	0.4	3.6	0	9.8	20.8	32.0	212°	15.4
2	4.9	12.6	8.6	0.9	0.7	0.2	0.7	6	6.9	20.8	27.3	261°	13.5
3	1.8	6.0	4.3	15.6	3.8	0.9	18	0	3.5	12.1	17.5	337°	9.1
4	-1.0	4.5	1.9	0.0	-	-	-	0	2.4	9.0	11.4	235°	6.5
5	4.5	9.6	7.5	0.0	-	-	-	0	3.9	11.8	17.8	211°	8.7
6	3.3	10.0	7.2	1.3	1.3	0.7	3.6	1	5.6	17.0	26.6	236°	10.7
7	2.6	9.9	6.6	0.7	0.5	0.4	1.4	0.3	7.6	17.0	25.3	219°	13.9
8	6.7	11.0	8.9	15.8	4.8	2.0	24	2	6.6	15.6	25.9	245°	11.6
9	8.4	14.8	11.9	0.7	0.6	0.3	0.8	3	11.1	28.4	36.9	240°	20.4
10	4.0	13.8	9.7	0.8	0.5	0.5	18	1	10.8	25.9	36.9	262°	18.3
11	3.0	8.4	5.8	0.3	0.2	0.2	-	5	8.6	17.6	27.3	249°	14.7
12	7.9	11.8	10.2	9.2	2.2	0.7	3.6	0	10.0	22.5	30.6	223°	14.7
13	3.6	11.5	7.8	6.6	4.1	1.7	42	4	7.4	21.3	27.3	235°	15.2
14	2.7	9.0	5.2	0.9	0.5	0.2	0.6	5	9.3	24.4	35.1	224°	17.9
15	5.1	10.6	7.8	6.3	2.8	1.4	36	2	10.8	24.6	40.9	223°	18.4
16	1.0	6.4	4.6	0.3	0.3	0.2	-	2	5.3	15.6	21.9	259°	10.4
17	-0.7	5.9	2.8	0.2	0.2	0.2	-	3	4.9	12.1	15.6	233°	9.1
18	-0.1	4.6	2.5	1.3	0.6	0.4	2.2	2	3.0	8.1	14.5	324°	6.4
19	-1.5	3.6	0.9	0.0	-	-	-	6	2.1	8.5	9.8	331°	5.5
20	-3.6	4.2	0.6	0.0	-	-	-	4	2.9	16.1	19.9	151°	10.8
21	0.7	3.5	2.8	0.0	-	-	-	0	4.7	13.0	20.1	111°	8.8
22	-2.2	3.9	1.2	0.0	-	-	-	3	2.6	7.6	10.7	20°	6.0
23	-4.1	7.3	1.1	1.7	1.5	0.6	3.6	6	4.2	12.6	19.9	228°	9.6
24	2.0	8.2	4.6	3.1	1.7	1.0	11	8	5.6	18.5	23.7	301°	10.0
25	0.6	8.1	4.7	0.0	-	-	-	0.3	5.1	11.8	18.5	250°	9.4
26	4.1	9.9	7.9	0.4	0.4	0.4	11	0.2	5.7	11.4	17.0	291°	8.8
27	3.4	8.6	6.2	0.0	-	-	-	4	4.4	10.7	17.3	273°	8.8
28	2.6	10.1	6.3	3.7	2.4	1.1	24	2	9.4	20.1	34.2	247°	16.1
29	1.6	6.3	2.9	0.5	0.3	0.2	-	3	7.4	17.0	26.6	254°	12.1
30	1.3	5.7	3.2	1.8	1.3	0.4	1.8	2	5.3	12.0	15.2	277°	10.6
31	0.8	4.3	2.5	3.0	1.1	0.4	1.8	0.1	6.4	17.0	23.2	303°	11.3

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	83	94	91	2.5	11.0	7.3	1020	1032	1027
2	51	93	69	-1.0	11.5	3.0	1019	1034	1028
3	71	96	89	0.5	4.8	2.6	1013	1032	1023
4	96	98	97	-1.4	3.9	1.5	1031	1036	1034
5	75	96	88	3.9	8.5	5.6	1023	1033	1028
6	75	94	83	1.2	9.0	4.5	1016	1026	1021
7	70	95	85	1.0	8.5	4.2	1017	1027	1023
8	81	95	88	4.2	10.2	7.1	1016	1027	1020
9	69	92	82	5.3	13.2	8.9	1013	1024	1017
10	48	89	70	-3.1	11.1	4.2	1008	1019	1014
11	58	76	70	-1.8	3.7	0.8	1018	1025	1022
12	68	95	83	3.2	10.6	7.4	1003	1019	1010
13	71	95	84	0.3	10.7	5.2	1000	1004	1002
14	58	89	74	-1.6	7.3	1.0	992	1008	1004
15	53	93	74	-2.7	9.4	3.2	987	996	990
16	58	83	69	-2.3	1.4	-0.7	997	1012	1004
17	70	85	79	-3.0	2.0	-0.4	1006	1013	1011
18	78	96	87	-2.1	2.2	0.5	1009	1014	1011
19	73	98	88	-3.4	0.6	-1.0	1011	1014	1013
20	71	97	86	-4.6	1.1	-1.6	1005	1011	1009
21	73	89	85	-1.2	1.3	0.4	1004	1013	1007
22	62	93	80	-5.1	0.4	-1.9	1013	1025	1019
23	74	95	85	-5.6	6.6	-1.1	1017	1026	1024
24	61	96	77	-1.3	7.6	0.9	1015	1031	1025
25	73	89	82	-1.3	5.7	1.8	1025	1031	1029
26	58	93	78	0.4	8.7	4.2	1021	1028	1024
27	70	82	77	0.3	4.1	2.3	1020	1028	1026
28	51	95	74	-4.5	9.2	1.8	999	1019	1005
29	64	85	78	-1.9	1.1	-0.7	976	999	985
30	71	94	81	-1.6	1.7	0.2	974	981	978
31	58	96	81	-4.2	3.0	-0.7	979	993	984

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	5.1	10.6	0.2	0.8	3	0.1	0.0	2	0.8	13.7	6.8	0	-	-	-
2	8.3	8.6	0.1	0.3	7	0.3	1.4	22	1.3	14.6	7.2	0	-	-	-
3	4.5	5.4	0.2	0.6	7	0.4	1.3	2	-1.2	6.0	2.5	0	-	-	-
4	-1.0	3.2	0.4	1.1	1	0.4	1.1	1	-3.1	4.4	0.6	4	-	-	-
5	3.2	9.6	0.2	0.9	1	0.1	0.3	5	2.6	10.0	6.1	0	-	-	-
6	7.9	10.0	0.2	0.7	5	0.3	1.3	14	-0.3	10.7	5.0	0	-	-	-
7	2.6	9.3	0.4	1.8	7	0.2	0.4	7	-0.7	8.0	3.8	0	-	-	-
8	9.0	9.0	0.2	0.7	4	0.2	0.8	7	2.8	12.4	7.7	0	-	-	-
9	6.9	14.8	0.3	1.2	13	0.2	0.5	15	4.4	17.4	12.2	0	-	-	-
10	12.0	13.5	0.3	0.6	6	1.3	2.8	18	-0.4	15.5	9.0	0	-	-	-
11	3.0	8.4	0.4	1.4	5	0.2	0.5	8	-2.3	6.5	2.3	0	-	-	-
12	7.5	11.8	0.2	1.0	11	0.3	0.7	7	3.4	13.0	9.4	0	-	-	-
13	7.7	9.0	0.3	0.8	8	0.4	1.1	9	-1.7	13.1	5.7	0	-	-	-
14	2.7	8.8	0.3	1.3	14	0.2	0.8	7	-2.8	6.0	1.4	0	-	-	-
15	7.8	8.6	0.2	0.5	5	0.4	1.2	14	-0.6	11.5	4.7	0	-	-	-
16	4.9	6.4	0.2	0.7	10	1.1	2.4	7	-3.0	5.9	1.9	0	-	-	-
17	-0.7	5.9	0.4	1.4	3	0.2	0.8	5	-4.9	5.9	-0.1	4	-	-	-
18	2.6	3.7	0.2	0.7	5	0.3	1.1	9	-3.9	4.6	0.8	0.7	-	-	-
19	-1.2	3.6	0.6	1.8	5	0.4	1.9	7	-4.2	3.5	-0.2	6	-	-	-
20	-3.6	4.2	0.4	1.9	3	0.2	0.7	7	-6.1	3.8	-0.8	11	-	-	-
21	2.8	3.3	0.2	0.4	3	0.3	1.2	2	-2.8	3.3	0.1	0	-	-	-
22	0.1	3.9	0.4	1.4	5	0.4	1.7	9	-3.7	3.8	0.0	4	-	-	-
23	-4.1	6.0	0.5	2.0	5	0.2	0.5	9	-6.2	4.9	-0.9	11	-	-	-
24	2.9	6.3	0.4	0.9	3	0.9	2.4	9	-1.6	7.2	1.8	0	-	-	-
25	0.6	8.1	0.4	2.0	3	0.2	0.7	7	-3.4	7.3	2.3	0	-	-	-
26	7.7	9.9	0.2	0.5	4	0.3	0.6	15	0.8	9.3	5.7	0	-	-	-
27	3.4	8.6	0.4	1.6	2	0.2	0.5	7	0.1	8.5	4.2	0	-	-	-
28	6.5	10.1	0.2	0.9	6	1.9	2.9	18	-3.0	11.0	2.7	0	-	-	-
29	1.7	6.3	0.3	1.2	12	0.9	2.2	8	-4.4	4.3	-1.1	0	-	-	-
30	1.3	5.7	0.4	1.9	5	0.3	1.1	10	-4.1	5.5	0.2	0	-	-	-
31	0.8	4.3	0.3	1.4	4	0.2	0.7	16	-4.2	1.9	-1.0	0	-	-	-

View daily report for the 1st