Monthly Report for January 2012

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	3.9 °C (+0.9)	-2.9 °C	9.0 °C	12:46
Maximum Temperature	8.9 °C (+1.1)	1.7 °C	12.5 °C	13:17
Mean Temperature	6.4 °C (+1.0)	0.6 °C	11.1 °C
Minimum Humidity	67%	47%	87%	13:02
Maximum Humidity	91%	79%	98%	10:32
Mean Humidity	80%	63%	94%
Minimum Pressure	1017 hPa	993 hPa	1032 hPa	11:53
Maximum Pressure	1024 hPa	1008 hPa	1034 hPa	12:08
Mean Pressure	1021 hPa	1002 hPa	1033 hPa
Mean Wind Speed	5.5 mph (+0.3)	0.8 mph	11.4 mph
Maximum Wind Speed	13.9 mph	5.9 mph	27.9 mph
Maximum Gust	19.2 mph	7.4 mph	44.0 mph	14:59
Mean Wind Direction	219° [SW]	13° [NNE]	353° [N]
Rainfall	42.8 mm (73%)	0.0 mm	10.6 mm
Maximum Hourly Rain	2.4 mm	0.3 mm	7.0 mm	10:26
Maximum 10-min Rain	1.5 mm	0.5 mm	5.0 mm	10:12
Maximum Rain Rate	25 mm/h	2.0 mm/h	120 mm/h	10:23
Minimum Dew Point	0.3 °C	-4.7 °C	6.1 °C	14:12
Maximum Dew Point	6.1 °C	0.1 °C	11.3 °C	11:55
Mean Dew Point	3.2 °C	-1.9 °C	9.5 °C
Night Minimum (21-09)	4.6 °C	-2.9 °C	11.4 °C	08:37
Day Maximum (09-21)	8.7 °C	1.7 °C	12.5 °C	14:26
Max 10m Temp Rise	0.3 °C	0.1 °C	0.6 °C	10:04
Max 1hr Temp Rise	1.1 °C	0.3 °C	2.2 °C	10:55
Max 1hr Hum Rise	6%	2%	13%	13:52
Max 10m Temp Fall	0.5 °C	0.1 °C	1.9 °C	12:37
Max 1hr Temp Fall	1.3 °C	0.3 °C	4.3 °C	14:39
Max 1hr Hum Fall	9%	1%	18%	12:10
Max 10m Wind Speed	9.3 mph	4.2 mph	17.1 mph	13:27
Minimum Feels-like	0.9 °C	-4.8 °C	6.3 °C	12:38
Maximum Feels-like	8.9 °C	1.5 °C	14.2 °C	12:45
Mean Feels-like	5.0 °C	-1.9 °C	11.8 °C	n/a
Air-frost Hrs	24 hrs	0 hrs	10 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	5.0 °C (+0.2)	1.3 °C	8.5 °C
Humidity Range	24%	6%	39%
Pressure Range	7 hPa	2 hPa	21 hPa
Sun Hours	76 (110%) [33%]
Wet Hours	39 (58%) [5.2%]

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	12	Min < -5.0 °C	0	> 0 hrs	26	Falling Snow	1
> 0.1 mm	9	Min < 0.0 °C	5	> 1 hrs	16	Lying Snow	0
> 0.3 mm	8	Mean < 0.0 °C	0	> 3 hrs	9	Hail	0
> 1.0 mm	7	Mean > 20.0 °C	0	> 5 hrs	7	Thunder	0
> 5.0 mm	4	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	0
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	15	Gusts > 30mph	3
> 20.0 mm	0	Ice Days	0	> 95% max poss.	3	Total Events	4

Misc.

Mean rainfall for days with >0.3mm: 5.3 mm
Total snowfall: 0.1 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	7.9	12.5	11.1	7.8	4.4	1.3	10	0.1	6.4	13.7	17.6	235°	9.0
2	4.4	7.9	5.8	0.0	-	-	-	6	6.4	16.3	23.0	243°	10.9
3	5.5	12.0	8.4	10.6	7.0	5.0	120	1	11.4	27.9	38.9	241°	16.7
4	4.8	9.6	6.9	3.4	1.7	0.5	2.0	0.5	9.3	25.3	34.6	258°	15.0
5	6.6	11.3	8.9	4.6	2.2	1.4	20	4	11.1	25.5	44.0	302°	17.1
6	3.8	9.3	6.6	0.0	-	-	-	6	5.4	13.7	19.9	287°	8.4
7	7.3	10.2	9.2	0.0	-	-	-	2	6.4	13.8	19.0	288°	8.7
8	8.0	9.5	8.7	0.1	-	-	-	0.1	4.5	10.7	13.0	285°	9.3
9	8.0	12.3	10.1	0.0	-	-	-	0.2	4.9	11.2	17.8	261°	8.3
10	9.0	11.2	10.1	0.0	-	-	-	0.1	5.2	12.1	15.9	255°	8.6
11	7.2	11.1	9.1	0.0	-	-	-	3	6.4	14.3	19.2	256°	8.5
12	4.3	12.5	8.4	0.0	-	-	-	2	6.4	15.2	23.2	286°	10.5
13	0.1	5.7	2.8	0.0	-	-	-	6	2.9	7.6	10.2	353°	5.6
14	-2.9	5.0	0.7	0.0	-	-	-	7	0.8	5.9	7.4	112°	4.2
15	-0.1	6.1	2.4	0.0	-	-	-	7	3.1	12.1	15.4	109°	8.8
16	0.2	5.9	2.1	0.0	-	-	-	8	2.7	7.6	10.2	82°	4.7
17	-2.6	5.9	2.1	0.0	-	-	-	4	1.9	8.5	10.9	217°	6.1
18	5.3	11.9	9.3	0.6	0.3	-	-	0	6.1	12.3	17.6	236°	8.8
19	6.3	11.6	9.3	7.4	2.6	0.9	15	2	6.4	14.5	23.2	272°	10.2
20	4.4	9.8	7.6	0.3	0.3	-	-	0	7.0	14.3	22.3	273°	11.1
21	7.1	12.3	10.0	0.0	-	-	-	1	8.3	19.2	28.4	278°	11.8
22	5.8	11.6	8.2	0.0	-	-	-	2	7.1	19.0	24.6	288°	12.5
23	3.2	8.3	6.2	0.0	-	-	-	0	4.5	10.9	12.8	282°	6.7
24	2.2	10.0	6.0	6.1	1.7	0.6	2.4	0	3.2	9.7	10.2	250°	5.6
25	8.6	9.9	9.3	0.0	-	-	-	0.1	5.6	16.8	23.7	230°	11.2
26	3.0	9.6	7.1	1.7	1.5	0.6	6	2	7.0	20.4	27.0	228°	13.2
27	2.7	8.1	4.6	0.1	-	-	-	8	4.7	10.9	13.5	253°	7.3
28	2.3	5.8	3.9	0.0	-	-	-	2	5.0	11.2	13.7	13°	7.8
29	1.1	4.3	2.6	0.0	-	-	-	0.2	2.9	8.5	10.5	60°	6.4
30	-0.5	3.3	1.7	0.0	-	-	-	1	3.3	6.9	8.7	16°	5.6
31	-1.5	1.7	0.6	0.1	-	-	-	0	4.6	13.7	19.4	54°	9.0

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	80	94	90	6.0	11.2	9.5	1000	1008	1004
2	67	90	81	0.9	6.0	2.8	1003	1013	1008
3	67	96	82	0.7	11.1	5.5	993	1010	1002
4	62	90	75	-0.9	7.0	2.8	1002	1020	1011
5	56	85	70	0.3	7.9	3.6	997	1018	1008
6	66	86	76	0.5	7.1	2.7	1018	1028	1023
7	62	87	68	-0.1	8.0	3.5	1018	1024	1021
8	62	88	70	1.2	6.4	3.5	1025	1029	1027
9	70	92	83	6.1	8.0	7.3	1028	1033	1030
10	78	92	85	5.6	8.7	7.7	1032	1034	1033
11	79	85	83	4.3	8.2	6.3	1031	1034	1032
12	62	89	79	1.2	8.9	5.0	1025	1032	1028
13	66	95	84	-2.3	2.8	0.3	1031	1033	1032
14	69	97	86	-3.7	1.7	-1.4	1027	1032	1030
15	57	92	79	-2.3	1.4	-1.0	1024	1027	1026
16	51	90	76	-3.5	0.7	-1.9	1023	1028	1026
17	73	91	82	-4.7	3.3	-0.7	1027	1029	1028
18	87	97	94	3.3	11.1	8.4	1022	1026	1024
19	62	98	84	0.5	11.3	6.6	1015	1021	1018
20	68	83	76	0.2	6.5	3.6	1016	1020	1018
21	51	88	71	0.1	8.9	4.8	1009	1016	1012
22	47	79	63	-0.8	5.4	1.4	1010	1018	1014
23	64	83	72	0.3	3.0	1.5	1017	1021	1019
24	83	97	93	0.3	9.5	4.9	1016	1021	1018
25	81	97	89	5.7	9.4	7.6	1009	1016	1012
26	59	91	79	-0.1	7.4	3.6	1006	1014	1010
27	54	88	77	-0.8	3.2	0.8	1015	1021	1018
28	73	96	87	0.8	2.4	1.8	1021	1032	1026
29	78	98	91	-1.4	3.1	1.2	1028	1032	1030
30	61	91	80	-4.2	0.1	-1.4	1023	1028	1026
31	74	95	85	-3.3	0.2	-1.6	1023	1029	1026

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	11.4	12.5	0.2	0.7	7	0.3	1.3	5	5.1	14.2	11.8	0	-	-	-
2	4.4	7.2	0.3	0.9	4	0.3	1.2	7	-0.1	6.7	3.3	0	-	-	-
3	5.2	12.0	0.3	1.1	11	1.6	4.3	16	0.8	13.8	6.4	0	-	-	-
4	4.8	8.3	0.2	1.0	7	0.2	0.5	10	0.1	6.8	3.7	0	-	-	-
5	8.3	9.6	0.3	1.0	11	0.9	2.1	16	2.3	11.3	6.8	0	-	-	-
6	3.8	8.4	0.3	1.4	5	0.2	0.6	6	1.1	8.3	4.6	0	-	-	-
7	8.4	10.0	0.2	0.6	6	0.3	0.7	13	5.2	10.6	7.8	0	-	-	-
8	8.0	9.5	0.1	0.4	5	0.2	0.7	3	5.5	9.5	7.6	0	-	-	-
9	8.0	12.3	0.2	0.8	3	0.2	0.5	6	5.8	12.5	9.8	0	-	-	-
10	9.4	11.2	0.2	0.6	2	0.2	0.7	7	6.3	11.6	9.7	0	-	-	-
11	7.2	11.1	0.4	1.3	4	0.2	0.9	3	3.9	11.5	7.9	0	-	-	-
12	7.5	12.5	0.4	1.4	4	0.4	1.3	11	2.0	13.0	7.0	0	-	-	-
13	1.9	5.7	0.3	1.4	8	0.5	2.1	8	-2.1	5.7	1.6	0	-	-	-
14	-2.9	5.0	0.5	1.9	5	0.4	1.4	10	-2.9	5.0	0.5	10	-	-	-
15	-0.1	6.1	0.5	1.8	5	0.3	1.0	18	-2.0	5.0	1.1	0.1	-	-	-
16	0.2	5.9	0.5	1.8	6	0.4	1.5	17	-3.2	5.9	0.8	0	-	-	-
17	-2.6	5.9	0.6	2.2	6	0.5	1.4	8	-2.6	5.4	1.3	9	-	-	-
18	5.1	11.9	0.2	0.7	3	0.1	0.3	1	2.3	13.7	8.9	0	-	-	-
19	8.1	10.1	0.2	0.9	9	1.9	3.5	13	2.0	13.5	8.5	0	-	-	-
20	4.4	9.8	0.2	1.0	7	0.2	0.9	5	0.0	9.4	5.1	0	-	-	-
21	8.5	12.3	0.2	1.0	7	0.4	1.1	17	4.4	12.5	9.3	0	-	-	-
22	5.8	11.6	0.5	1.5	7	0.3	1.0	12	1.6	11.6	6.4	0	-	-	-
23	4.9	8.3	0.2	0.8	5	0.3	0.9	4	0.4	8.2	4.5	0	-	-	-
24	2.2	9.9	0.3	1.1	3	0.3	0.5	1	-0.9	11.1	4.9	0	-	-	-
25	8.6	9.8	0.1	0.3	4	0.2	0.8	5	4.9	10.9	7.8	0	-	-	-
26	6.8	8.5	0.3	0.8	13	0.8	2.6	9	-0.6	8.2	4.6	0	-	-	-
27	2.7	8.1	0.4	1.7	13	1.2	2.8	9	-1.3	7.3	2.5	0	-	-	-
28	3.0	5.8	0.2	0.6	8	0.3	1.1	7	-1.0	5.0	1.7	0	-	-	-
29	1.1	4.3	0.2	0.7	2	0.3	1.0	5	-1.3	4.3	1.4	0	-	-	-
30	-0.5	3.3	0.3	1.1	9	0.3	1.1	11	-2.0	3.3	0.8	1	-	-	-
31	-1.5	1.7	0.4	1.2	3	0.3	1.0	6	-4.8	1.5	-1.9	4	-	-	-

View daily report for the 1st