Monthly Report for January 2010

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	-0.2 °C (-3.2)	-5.3 °C	4.7 °C	10:49
Maximum Temperature	3.7 °C (-4.1)	0.1 °C	8.6 °C	13:37
Mean Temperature	1.8 °C (-3.6)	-2.6 °C	6.9 °C
Minimum Humidity	82%	63%	98%	13:51
Maximum Humidity	95%	79%	98%	10:57
Mean Humidity	90%	72%	98%
Minimum Pressure	1010 hPa	988 hPa	1038 hPa	08:42
Maximum Pressure	1019 hPa	1000 hPa	1042 hPa	12:12
Mean Pressure	1015 hPa	994 hPa	1040 hPa
Mean Wind Speed	4.1 mph (-1.1)	1.6 mph	8.2 mph
Maximum Wind Speed	10.0 mph	4.5 mph	16.1 mph
Maximum Gust	14.7 mph	6.0 mph	25.9 mph	11:43
Mean Wind Direction	169° [S]	15° [NNE]	336° [NNW]
Rainfall	56.1 mm (95%)	0.0 mm	9.0 mm
Maximum Hourly Rain	1.1 mm	0.3 mm	2.2 mm	12:15
Maximum 10-min Rain	0.4 mm	0.3 mm	0.8 mm	11:49
Maximum Rain Rate	4.3 mm/h	1.2 mm/h	16 mm/h	11:13
Minimum Dew Point	-1.7 °C	-6.3 °C	3.3 °C	11:18
Maximum Dew Point	2.2 °C	-2.3 °C	7.6 °C	14:04
Mean Dew Point	0.2 °C	-4.6 °C	6.4 °C
Night Minimum (21-09)	0.4 °C	-5.3 °C	6.0 °C
Day Maximum (09-21)	3.6 °C	0.1 °C	8.6 °C
Max 10m Temp Rise	0.3 °C	0.1 °C	0.8 °C	11:46
Max 1hr Temp Rise	0.9 °C	0.1 °C	2.2 °C	12:21
Max 1hr Hum Rise	3%	0%	9%	13:38
Max 10m Temp Fall	0.2 °C	0.1 °C	0.7 °C	12:47
Max 1hr Temp Fall	0.7 °C	0.2 °C	1.2 °C	12:55
Max 1hr Hum Fall	5%	0%	12%	10:52
Max 10m Wind Speed	7.0 mph	3.1 mph	11.3 mph	12:36
Minimum Feels-like	-4.2 °C	-11.5 °C	1.7 °C	10:25
Maximum Feels-like	3.5 °C	-3.3 °C	8.1 °C	13:04
Mean Feels-like	-0.2 °C	-6.7 °C	5.5 °C	n/a
Air-frost Hrs	185 hrs	0 hrs	22 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	3.9 °C (-0.9)	0.7 °C	8.7 °C
Humidity Range	14%	0%	31%
Pressure Range	9 hPa	1 hPa	23 hPa
Sun Hours	56 (81%) [24%]
Wet Hours	71 (106%) [9.5%]

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.

Days Of...
Rainfall		Temperature		Sunshine		Other
> 0.0 mm	22	Min < -5.0 °C	1	> 0 hrs	18	Falling Snow	0
> 0.1 mm	18	Min < 0.0 °C	15	> 1 hrs	13	Lying Snow	11
> 0.3 mm	15	Mean < 0.0 °C	9	> 3 hrs	6	Hail	0
> 1.0 mm	12	Mean > 20.0 °C	0	> 5 hrs	5	Thunder	0
> 5.0 mm	4	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	0
> 10.0 mm	0	Max > 30.0 °C	0	> 25% max poss.	11	Gusts > 30mph	0
> 20.0 mm	0	Ice Days	0	> 95% max poss.	2	Total Events	11

Misc.

Mean rainfall for days with >0.3mm: 3.7 mm
Total snowfall: 18.2 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	-1.7	2.4	-0.0	0.0	-	-	-	7	4.6	9.4	13.0	318°	7.5
2	-1.5	4.5	0.7	0.1	-	-	-	6	4.3	9.7	13.0	252°	6.8
3	-2.7	2.4	-0.0	0.0	-	-	-	5	3.2	9.2	12.5	37°	6.1
4	-4.2	1.3	-2.4	0.0	-	-	-	7	2.4	6.2	8.1	259°	4.3
5	-4.2	1.0	-1.5	3.0	-	-	-	2	3.5	6.3	10.2	191°	5.1
6	-4.4	0.3	-0.6	9.0	-	-	-	0	4.0	11.3	16.4	59°	10.0
7	-5.3	0.1	-2.6	0.1	-	-	-	3	5.4	11.5	19.9	333°	8.2
8	-3.3	0.2	-1.9	0.1	-	-	-	2	5.3	12.1	15.2	15°	7.3
9	-4.2	0.6	-1.9	0.3	-	-	-	2	8.2	16.1	25.9	20°	11.3
10	0.6	1.7	1.0	0.5	0.3	-	-	0	5.9	13.2	22.1	39°	10.0
11	0.1	0.8	0.4	0.8	-	-	-	0	1.6	4.5	6.0	62°	3.1
12	0.4	1.5	0.7	0.0	-	-	-	0	4.8	12.3	16.1	99°	8.6
13	-0.4	0.6	0.3	4.0	-	-	-	0	3.0	9.2	13.9	89°	8.0
14	0.2	2.8	1.4	5.0	-	-	-	0	2.3	6.0	8.1	21°	3.8
15	0.7	5.9	3.5	0.1	-	-	-	0	3.7	9.7	14.3	193°	5.8
16	3.5	7.5	5.5	8.2	2.2	0.8	16	0	4.8	11.8	19.9	171°	8.2
17	2.9	8.6	5.3	0.8	0.8	0.3	1.2	6	4.7	12.1	17.6	248°	8.3
18	2.7	6.8	4.8	0.0	-	-	-	0.5	3.7	8.1	13.0	233°	5.4
19	4.0	6.9	6.0	0.0	-	-	-	0	3.9	11.8	15.4	105°	8.4
20	2.6	4.0	3.1	0.3	-	-	-	0	4.8	10.7	17.0	78°	8.0
21	2.4	5.5	3.4	0.0	-	-	-	2	2.0	8.1	12.8	179°	5.0
22	4.7	7.9	6.9	9.0	1.6	0.5	3.3	0	3.9	9.4	12.1	158°	6.0
23	3.9	7.3	5.4	1.4	0.8	0.5	2.3	0.1	3.1	8.1	13.2	336°	5.9
24	3.1	5.4	4.2	1.6	0.8	0.3	1.4	0	3.0	6.7	10.0	280°	4.9
25	1.8	3.7	2.9	1.9	1.1	0.3	2.7	0.3	4.3	11.5	16.8	15°	6.7
26	-1.8	2.4	0.8	0.0	-	-	-	3	4.2	10.0	13.5	43°	6.2
27	-2.7	6.0	1.5	1.1	1.1	0.5	8	0	4.6	10.5	17.6	261°	8.0
28	3.8	6.8	5.0	3.3	1.4	0.3	2.3	0.5	4.9	10.5	12.8	288°	7.0
29	-0.7	4.5	2.9	5.2	1.4	0.3	1.8	2	5.6	13.7	19.9	303°	9.9
30	-1.9	3.0	0.1	0.3	-	-	-	7	4.4	11.5	16.3	296°	7.9
31	-3.2	2.9	-0.3	0.0	-	-	-	1	3.9	8.1	12.8	246°	6.4

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	73	90	85	-3.4	-0.9	-2.4	1001	1010	1006
2	67	93	85	-2.9	0.2	-1.7	1010	1019	1014
3	72	93	86	-4.3	-0.0	-2.1	1019	1023	1021
4	78	94	89	-5.4	-1.1	-4.0	1012	1023	1018
5	78	94	88	-5.2	-1.0	-3.3	999	1012	1006
6	89	98	96	-5.9	0.0	-1.2	998	1008	1003
7	85	94	90	-6.3	-1.7	-3.9	1008	1017	1012
8	87	97	93	-4.1	-0.9	-2.8	1017	1024	1020
9	74	94	85	-5.4	-2.3	-4.1	1019	1024	1022
10	81	97	89	-2.3	0.2	-0.7	1017	1019	1018
11	93	98	97	-0.4	0.2	-0.1	1016	1019	1018
12	87	98	93	-1.3	0.7	-0.3	1000	1019	1010
13	87	98	93	-1.8	0.3	-0.7	999	1001	1000
14	98	98	98	-0.1	2.5	1.2	1000	1014	1007
15	98	98	98	0.4	5.6	3.2	1013	1019	1016
16	90	98	96	2.0	7.2	4.9	1002	1015	1008
17	73	98	92	2.4	7.1	4.0	1005	1024	1014
18	95	98	98	2.3	6.5	4.4	1024	1025	1024
19	95	98	98	3.3	6.6	5.6	1015	1025	1020
20	87	95	91	0.7	3.3	1.7	1010	1016	1013
21	77	96	88	0.3	3.0	1.7	1016	1021	1018
22	89	98	97	3.0	7.6	6.4	1016	1019	1018
23	88	98	95	2.3	7.0	4.6	1018	1022	1020
24	84	94	90	1.8	3.6	2.7	1021	1025	1023
25	83	98	92	-0.6	3.1	1.7	1025	1038	1032
26	71	89	80	-4.0	0.3	-2.2	1038	1042	1040
27	74	98	87	-4.6	5.5	-0.5	1017	1040	1028
28	71	94	85	1.3	3.8	2.6	1000	1017	1008
29	67	98	85	-4.6	3.8	0.6	988	1000	994
30	63	79	72	-5.4	-1.9	-4.6	995	1005	1000
31	74	88	82	-5.1	-1.0	-3.1	1004	1007	1006

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	-1.2	2.4	0.3	1.2	4	0.3	1.1	7	-6.3	2.4	-2.7	12	-	-	-
2	-1.5	4.5	0.3	1.4	5	0.2	1.0	9	-5.3	4.4	-0.9	6	-	-	-
3	-1.3	2.4	0.4	1.3	4	0.3	1.2	9	-5.5	2.4	-1.0	12	-	-	-
4	-4.2	1.3	0.7	2.2	3	0.3	1.0	7	-7.7	1.3	-3.5	20	-	-	-
5	-4.2	1.0	0.5	1.8	4	0.2	0.7	8	-8.9	1.0	-3.6	13	-	-	-
6	0.1	0.3	0.1	0.2	3	0.2	0.9	4	-10.1	0.3	-1.3	7	-	-	-
7	-5.3	0.1	0.4	1.5	3	0.3	0.9	4	-11.5	0.0	-6.3	22	-	-	-
8	-3.3	0.2	0.4	0.9	2	0.2	0.9	4	-8.9	0.2	-5.4	22	-	-	-
9	-4.2	0.6	0.8	1.0	4	0.7	0.6	6	-9.8	-3.3	-6.7	22	-	-	-
10	0.6	1.7	0.1	0.4	2	0.1	0.3	2	-5.7	1.5	-2.4	0	-	-	-
11	0.1	0.8	0.1	0.2	2	0.1	0.2	1	-2.4	0.8	0.3	0	-	-	-
12	0.4	1.5	0.1	0.4	2	0.1	0.3	4	-4.8	1.4	-1.8	0	-	-	-
13	-0.4	0.6	0.1	0.3	3	0.1	0.2	1	-5.0	0.6	-0.9	5	-	-	-
14	0.2	2.8	0.2	0.5	0	0.2	0.5	0	-2.9	2.8	1.0	0	-	-	-
15	0.7	5.9	0.3	1.4	0	0.2	0.5	0	-2.4	5.9	2.0	0	-	-	-
16	3.5	7.5	0.2	0.6	3	0.2	0.9	5	-1.5	7.6	3.5	0	-	-	-
17	2.9	8.6	0.6	1.9	5	0.3	1.0	12	-1.0	8.0	3.5	0	-	-	-
18	2.7	6.8	0.2	0.7	2	0.2	0.6	0	-0.5	6.8	3.3	0	-	-	-
19	6.0	6.9	0.1	0.3	1	0.2	0.8	1	0.1	6.8	4.6	0	-	-	-
20	3.2	3.0	0.1	0.1	1	0.1	0.3	3	-1.6	3.8	1.0	0	-	-	-
21	2.4	5.5	0.3	1.3	4	0.2	0.9	8	0.1	5.5	2.9	0	-	-	-
22	4.7	7.9	0.1	0.6	4	0.1	0.2	0	1.6	8.1	5.5	0	-	-	-
23	5.7	5.0	0.1	0.1	2	0.2	0.9	3	1.7	7.3	4.4	0	-	-	-
24	3.1	5.4	0.2	0.7	3	0.2	0.6	3	0.3	5.4	3.2	0	-	-	-
25	3.0	3.7	0.2	0.4	2	0.2	0.7	5	-2.0	3.8	0.8	0	-	-	-
26	0.4	2.4	0.2	0.7	3	0.2	0.8	6	-4.6	2.3	-1.4	6	-	-	-
27	-2.7	6.0	0.3	1.0	9	0.2	0.5	7	-4.9	6.0	-0.6	8	-	-	-
28	3.8	6.8	0.4	0.7	7	0.2	0.7	7	0.2	6.7	2.9	0	-	-	-
29	3.6	4.5	0.2	0.4	6	0.4	1.0	11	-6.0	4.3	0.1	2	-	-	-
30	-1.9	3.0	0.2	1.2	6	0.2	0.7	3	-7.0	0.4	-3.6	15	-	-	-
31	-3.2	2.9	0.3	1.5	4	0.5	0.8	4	-7.0	2.9	-3.1	13	-	-	-

View daily report for the 1st