Monthly Report for January 2013

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	2.1 °C (-0.9)	-5.5 °C	9.6 °C	11:04
Maximum Temperature	6.1 °C (-1.7)	-0.8 °C	13.5 °C	13:04
Mean Temperature	4.2 °C (-1.3)	-2.4 °C	11.6 °C
Minimum Humidity	76%	49%	95%	11:56
Maximum Humidity	94%	78%	98%	10:41
Mean Humidity	87%	71%	97%
Minimum Pressure	1009 hPa	991 hPa	1036 hPa	12:35
Maximum Pressure	1017 hPa	999 hPa	1038 hPa	12:21
Mean Pressure	1013 hPa	994 hPa	1037 hPa
Mean Wind Speed	5.0 mph (-0.2)	0.7 mph	10.1 mph
Maximum Wind Speed	13.1 mph	4.9 mph	25.9 mph	13:07
Maximum Gust	18.7 mph	6.7 mph	35.5 mph	12:26
Mean Wind Direction	190° [S]	25° [NNE]	353° [N]
Rainfall	47.0 mm (80%)	0.0 mm	8.0 mm
Maximum Hourly Rain	1.1 mm	0.3 mm	2.3 mm	12:00
Maximum 10-min Rain	0.6 mm	0.3 mm	1.5 mm	10:54
Maximum Rain Rate	9 mm/h	0.3 mm/h	30 mm/h	11:07
Minimum Dew Point	-0.4 °C	-6.7 °C	9.0 °C	11:05
Maximum Dew Point	4.5 °C	-2.3 °C	12.3 °C	12:43
Mean Dew Point	2.1 °C	-3.3 °C	10.2 °C
Night Minimum (21-09)	2.7 °C	-5.5 °C	9.6 °C	07:06
Day Maximum (09-21)	5.7 °C	-0.8 °C	13.5 °C	16:12
Max 10m Temp Rise	0.3 °C	0.1 °C	0.6 °C	10:03
Max 1hr Temp Rise	0.9 °C	0.3 °C	2.4 °C	11:01
Max 1hr Hum Rise	4%	1%	10%	10:43
Max 10m Temp Fall	0.3 °C	0.1 °C	1.2 °C	10:35
Max 1hr Temp Fall	0.9 °C	0.3 °C	2.2 °C	10:08
Max 1hr Hum Fall	6%	2%	18%	12:50
Max 10m Wind Speed	9.6 mph	3.7 mph	16.9 mph	13:37
Minimum Feels-like	-1.5 °C	-8.8 °C	6.4 °C	08:52
Maximum Feels-like	6.1 °C	-0.8 °C	15.7 °C	12:28
Mean Feels-like	2.3 °C	-5.3 °C	12.6 °C	n/a
Air-frost Hrs	132 hrs	0 hrs	24 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	4.0 °C (-0.8)	1.2 °C	8.4 °C
Humidity Range	18%	3%	49%
Pressure Range	8 hPa	2 hPa	19 hPa
Sun Hours	41 (59%) [18%]
Wet Hours	73 (109%) [9.8%]

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	1	> 0 hrs	17	Falling Snow	1
> 0.1 mm	16	Min < 0.0 °C	12	> 1 hrs	9	Lying Snow	9
> 0.3 mm	14	Mean < 0.0 °C	7	> 3 hrs	7	Hail	0
> 1.0 mm	12	Mean > 20.0 °C	0	> 5 hrs	1	Thunder	0
> 5.0 mm	3	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	1
> 10.0 mm	0	Max > 30.0 °C	0	> 25% max poss.	7	Gusts > 30mph	5
> 20.0 mm	0	Ice Days	3	> 95% max poss.	0	Total Events	16

Misc.

Mean rainfall for days with >0.3mm: 3.4 mm
Total snowfall: 17.4 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	3.9	9.3	5.9	1.5	1.5	0.7	3.4	6	5.2	10.9	17.3	271°	8.8
2	2.8	10.6	6.6	1.1	0.5	0.3	0.7	0.1	4.9	12.8	15.4	251°	9.2
3	9.5	11.4	10.5	0.0	-	-	-	0.1	7.4	15.2	22.8	268°	11.5
4	8.2	10.7	9.6	0.0	-	-	-	1	5.5	13.2	17.3	275°	8.9
5	8.1	10.7	9.3	0.0	-	-	-	0	4.6	10.9	15.2	260°	8.1
6	7.0	8.7	7.9	0.0	-	-	-	0	3.4	9.4	12.1	238°	6.7
7	7.3	9.4	8.3	0.0	-	-	-	0	4.7	9.4	13.5	226°	8.0
8	9.0	11.0	10.0	0.5	0.5	0.3	0.3	1	5.4	11.4	17.0	227°	8.2
9	0.9	9.3	6.3	2.9	1.2	0.6	2.4	4	2.3	9.0	11.4	332°	7.4
10	0.2	2.5	1.4	0.0	-	-	-	0	0.7	4.9	6.7	336°	3.7
11	0.7	4.6	2.1	0.0	-	-	-	1	1.2	5.9	8.5	29°	4.7
12	0.6	4.4	2.9	0.5	0.5	0.3	1.1	0	5.2	13.2	21.5	88°	9.9
13	-0.5	3.1	1.4	0.0	-	-	-	0.5	5.0	13.2	20.1	25°	10.1
14	-0.8	2.4	0.8	4.9	1.8	0.3	1.7	0	3.4	11.2	14.7	247°	7.8
15	-2.6	1.6	0.6	0.0	-	-	-	0.7	3.8	10.0	16.3	353°	8.9
16	-3.4	-0.8	-2.4	0.0	-	-	-	0.4	1.2	6.7	7.1	62°	3.8
17	-5.5	2.3	-1.1	0.0	-	-	-	4	1.3	10.2	13.2	104°	6.8
18	-2.1	1.8	-0.8	5.0	-	-	-	0	6.5	12.5	17.5	127°	10.3
19	-0.8	0.4	-0.2	0.1	-	-	-	0	6.3	14.7	19.9	66°	10.7
20	-1.8	-0.3	-1.0	8.0	-	-	-	0	5.2	14.3	18.5	35°	9.8
21	-2.4	1.4	-0.0	0.0	-	-	-	2	1.7	6.4	8.1	227°	4.7
22	-4.8	2.5	-0.2	0.0	-	-	-	0	3.7	11.4	17.5	89°	9.2
23	0.9	2.3	1.5	0.3	-	-	-	0	6.2	13.7	20.6	80°	10.4
24	-1.5	1.8	1.0	0.0	-	-	-	0	3.2	10.7	14.7	53°	8.3
25	-2.1	2.9	1.0	0.3	0.3	0.3	-	0	4.7	14.5	21.9	184°	11.8
26	2.2	7.7	5.0	4.1	1.1	0.5	30	4	6.4	17.3	25.3	235°	11.6
27	4.6	10.1	7.9	7.1	2.2	1.1	17	5	9.1	20.4	31.1	239°	14.4
28	2.6	10.6	6.5	2.0	1.1	0.5	17	1	8.1	25.9	33.5	228°	16.8
29	9.6	13.5	11.6	1.5	0.6	0.4	0.7	0	8.9	19.0	33.1	230°	15.2
30	7.2	12.2	9.9	5.7	2.3	1.5	30	5	10.1	23.9	35.5	253°	16.9
31	7.2	10.0	8.8	1.5	0.9	0.6	8	4	9.4	23.5	33.4	250°	16.1

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	67	94	83	0.9	8.4	3.1	998	1017	1008
2	82	98	92	1.0	10.1	5.3	1018	1027	1023
3	90	98	94	9.0	10.0	9.5	1027	1037	1033
4	77	92	85	5.8	9.1	7.2	1036	1038	1037
5	85	96	91	7.0	9.6	7.9	1033	1036	1034
6	93	98	97	6.4	8.1	7.4	1030	1034	1032
7	88	96	92	6.5	7.8	7.1	1024	1030	1027
8	82	95	87	6.6	8.7	7.8	1022	1025	1024
9	74	98	91	0.2	8.8	5.0	1019	1022	1021
10	95	98	97	-0.4	2.2	1.0	1014	1019	1016
11	94	98	97	0.1	4.0	1.6	1016	1019	1017
12	55	98	83	-4.1	2.3	0.2	1011	1016	1014
13	69	78	74	-4.4	-0.4	-2.7	1014	1021	1019
14	76	96	88	-4.3	1.7	-1.1	1003	1020	1011
15	83	94	88	-4.2	0.1	-1.2	1003	1012	1009
16	89	98	96	-4.7	-1.2	-3.0	1008	1017	1013
17	73	96	86	-6.7	-0.5	-3.1	1013	1019	1017
18	71	90	83	-5.0	-2.3	-3.3	997	1012	1003
19	80	94	89	-3.8	-0.5	-1.8	996	999	997
20	79	98	91	-4.2	-0.9	-2.2	992	999	994
21	85	98	92	-4.0	-0.3	-1.3	991	999	994
22	75	98	89	-5.9	1.8	-1.9	999	1005	1001
23	78	86	82	-1.8	-0.5	-1.3	1005	1009	1007
24	70	89	80	-4.8	-0.9	-2.2	1009	1021	1016
25	68	87	77	-5.0	0.8	-2.6	1002	1020	1014
26	75	96	87	0.5	5.8	2.9	1001	1010	1006
27	49	98	76	-1.3	9.5	3.6	992	1004	997
28	75	96	84	0.3	9.2	3.9	999	1010	1005
29	78	96	91	6.9	12.3	10.2	1000	1004	1003
30	51	97	77	0.8	11.6	5.7	999	1017	1007
31	55	84	71	1.0	6.5	3.7	1009	1018	1012

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	3.9	7.3	0.3	1.1	4	0.5	1.6	12	-0.3	9.7	3.4	0	-	-	-
2	2.8	10.5	0.3	0.9	4	0.2	0.6	3	-0.7	11.9	5.0	0	-	-	-
3	9.5	11.4	0.2	0.5	1	0.1	0.4	2	6.0	12.7	11.0	0	-	-	-
4	9.3	10.1	0.1	0.4	3	0.2	0.5	3	5.0	11.6	8.3	0	-	-	-
5	8.2	10.7	0.2	0.7	2	0.2	0.6	7	5.0	11.6	8.6	0	-	-	-
6	7.0	8.6	0.2	0.5	2	0.1	0.4	2	3.8	9.0	6.6	0	-	-	-
7	7.3	9.0	0.2	0.6	2	0.1	0.4	3	4.9	9.3	6.5	0	-	-	-
8	9.0	11.0	0.2	0.8	3	0.2	0.7	3	6.4	11.5	9.3	0	-	-	-
9	7.9	7.9	0.3	0.5	5	0.5	2.2	13	0.3	10.0	5.6	0	-	-	-
10	0.2	2.5	0.4	0.6	1	0.2	0.6	2	-1.4	2.5	1.1	0	-	-	-
11	0.7	4.6	0.3	1.0	2	0.3	1.0	2	-2.8	4.6	1.5	0	-	-	-
12	0.6	4.4	0.2	0.7	10	0.2	0.4	16	-2.1	2.4	0.1	0	-	-	-
13	0.2	2.5	0.3	1.2	5	0.2	1.0	5	-4.7	1.2	-1.4	2	-	-	-
14	-0.8	2.4	0.2	0.7	5	0.3	0.6	4	-4.3	1.6	-1.4	5	-	-	-
15	0.1	1.6	0.3	0.8	4	0.5	1.5	4	-4.6	1.5	-1.8	5	-	-	-
16	-3.4	-0.8	0.5	1.2	3	0.2	0.9	2	-6.7	-0.8	-3.2	24	-	-	-
17	-5.5	2.3	0.6	2.4	3	0.3	0.9	5	-5.5	2.3	-1.9	12	-	-	-
18	-1.7	-0.8	0.1	0.4	6	0.2	0.9	3	-8.7	-0.4	-5.3	18	-	-	-
19	-0.8	0.4	0.1	0.4	2	0.1	0.3	4	-7.6	0.3	-4.3	14	-	-	-
20	-1.8	-0.3	0.2	0.5	5	0.1	0.3	2	-8.4	-0.5	-4.4	24	-	-	-
21	-1.1	1.4	0.2	0.6	3	0.4	1.8	3	-4.0	1.3	-1.1	13	-	-	-
22	-4.8	2.5	0.4	1.5	3	0.5	1.5	10	-8.8	1.1	-2.6	11	-	-	-
23	0.9	2.0	0.2	0.5	6	0.2	0.6	4	-4.6	1.9	-2.3	0	-	-	-
24	0.7	1.8	0.1	0.3	4	0.4	1.7	6	-4.3	1.7	-0.9	1	-	-	-
25	-2.1	2.4	0.4	1.0	4	0.3	0.5	8	-5.1	1.6	-1.8	6	-	-	-
26	2.2	7.6	0.3	1.3	5	0.2	0.8	8	-3.4	6.8	2.1	0	-	-	-
27	7.2	9.4	0.2	0.8	7	0.4	1.6	18	0.8	11.2	5.0	0	-	-	-
28	2.6	10.1	0.4	1.7	9	0.2	0.8	10	-1.9	11.0	3.8	0	-	-	-
29	9.6	13.5	0.3	1.3	5	0.2	0.5	4	6.3	15.7	12.6	0	-	-	-
30	8.8	11.1	0.3	0.7	4	0.6	2.0	16	2.9	14.2	8.6	0	-	-	-
31	7.2	10.0	0.3	1.3	8	1.2	1.6	11	2.9	10.0	5.8	0	-	-	-

View daily report for the 1st