Monthly Report for February 2010

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	1.3 °C (-1.7)	-1.7 °C	6.4 °C	11:08
Maximum Temperature	5.8 °C (-2.4)	2.3 °C	10.4 °C	14:22
Mean Temperature	3.4 °C (-2.0)	0.7 °C	7.4 °C
Minimum Humidity	75%	50%	94%	14:45
Maximum Humidity	96%	82%	98%	11:54
Mean Humidity	89%	69%	97%
Minimum Pressure	998 hPa	978 hPa	1022 hPa	11:49
Maximum Pressure	1007 hPa	991 hPa	1025 hPa	13:09
Mean Pressure	1003 hPa	984 hPa	1024 hPa
Mean Wind Speed	4.7 mph (-0.4)	2.2 mph	9.6 mph
Maximum Wind Speed	11.9 mph	6.9 mph	23.0 mph
Maximum Gust	17.0 mph	10.0 mph	34.7 mph	14:06
Mean Wind Direction	150° [SSE]	7° [N]	350° [N]
Rainfall	99.3 mm (221%)	0.0 mm	27.0 mm
Maximum Hourly Rain	1.7 mm	0.3 mm	3.6 mm	12:03
Maximum 10-min Rain	0.7 mm	0.3 mm	1.6 mm	11:03
Maximum Rain Rate	6 mm/h	0.4 mm/h	30 mm/h	09:24
Minimum Dew Point	-0.9 °C	-6.4 °C	5.4 °C	11:42
Maximum Dew Point	4.1 °C	-1.5 °C	9.0 °C	13:29
Mean Dew Point	1.6 °C	-4.5 °C	6.6 °C
Night Minimum (21-09)	1.8 °C	-1.7 °C	7.3 °C
Day Maximum (09-21)	5.7 °C	1.7 °C	10.4 °C
Max 10m Temp Rise	0.3 °C	0.1 °C	0.9 °C	12:45
Max 1hr Temp Rise	1.0 °C	0.2 °C	2.0 °C	12:05
Max 1hr Hum Rise	5%	1%	15%	15:40
Max 10m Temp Fall	0.3 °C	0.1 °C	0.9 °C	15:45
Max 1hr Temp Fall	1.1 °C	0.5 °C	1.8 °C	16:18
Max 1hr Hum Fall	8%	1%	22%	13:45
Max 10m Wind Speed	8.0 mph	4.8 mph	15.8 mph	15:07
Minimum Feels-like	-2.2 °C	-6.7 °C	2.9 °C	11:16
Maximum Feels-like	5.6 °C	1.3 °C	10.5 °C	14:23
Mean Feels-like	1.4 °C	-3.2 °C	6.2 °C	n/a
Air-frost Hrs	51 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	4.5 °C (-0.7)	2.1 °C	8.2 °C
Humidity Range	20%	4%	48%
Pressure Range	9 hPa	3 hPa	25 hPa
Sun Hours	52 (67%) [21%]
Wet Hours	93 (179%) [14%]

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.

Written report

February 2010

February 2010: Wettest February since records began in 2009 and on the cold side

Mean 3.4°C, 2.2°C below normal, the 2nd-coldest February of 18 since 2009. Average max 5.8°C and lows 1.3°C. Warmest 10.4°C (05 Feb), coldest night −1.7°C (15 Feb and 20 Feb). 10 air frosts.
Standout: 16 Feb brought 27.0 mm, the highest daily rainfall for February on station record.
Rain 99.3 mm, 221% of normal, the wettest February on station record, which began in 2009, over 12 days of 1 mm+. The biggest fall was 27.0 mm on 16 Feb.
Sunshine 51.5 hours, 66% of normal.
Days that still hold the station record for their date: 15 Feb (3.4°C low max), 16 Feb (4.4°C low max), 18 Feb (4.8°C low max), 21 Feb (−1.2°C low min).

Written Mon 02 Nov, 18:03 GMT

‹ Jan 2010 Mar 2010 ›

Written reports for 2010: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec · the year

Days Of...
Rainfall		Temperature		Sunshine		Other
> 0.0 mm	25	Min < -5.0 °C	0	> 0 hrs	23	Falling Snow	8
> 0.1 mm	22	Min < 0.0 °C	10	> 1 hrs	11	Lying Snow	0
> 0.3 mm	21	Mean < 0.0 °C	0	> 3 hrs	8	Hail	0
> 1.0 mm	12	Mean > 20.0 °C	0	> 5 hrs	4	Thunder	0
> 5.0 mm	6	Max > 25.0 °C	0	> 10 hrs	0	Dense Fog	0
> 10.0 mm	3	Max > 30.0 °C	0	> 25% max poss.	9	Gusts > 30mph	1
> 20.0 mm	1	Ice Days	0	> 95% max poss.	0	Total Events	9

Misc.

Mean rainfall for days with >0.3mm: 4.7 mm
Total snowfall: 1.2 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	-0.7	4.0	1.4	0.0	-	-	-	7	4.7	10.9	14.5	263°	7.2
2	0.6	7.6	5.0	2.5	0.8	0.3	1.4	0	6.1	13.7	23.5	255°	8.6
3	2.1	8.2	4.0	0.8	0.5	-	-	0.2	2.6	10.2	17.0	223°	7.0
4	6.1	8.2	7.4	0.5	0.3	-	0.4	0.1	4.0	9.4	14.7	169°	6.6
5	4.6	10.4	6.9	4.1	1.4	0.3	2.0	4	4.1	9.4	12.8	176°	6.4
6	3.1	6.5	4.2	0.0	-	-	-	2	4.8	10.5	15.2	38°	7.2
7	2.2	4.4	3.3	0.5	0.5	0.3	1.6	0.2	3.7	10.9	14.7	7°	7.5
8	-0.1	2.3	1.1	0.5	-	-	-	0	6.3	12.5	17.6	40°	9.3
9	-0.7	4.6	1.6	0.1	-	-	-	4	6.6	13.5	20.6	22°	10.4
10	-1.2	2.6	0.9	0.1	-	-	-	4	7.5	17.3	23.9	11°	11.0
11	-0.7	3.0	0.7	0.0	-	-	-	6	7.5	17.5	23.5	18°	10.8
12	1.2	3.4	2.2	1.1	0.8	0.3	1.5	0.1	5.0	11.2	15.6	23°	8.0
13	0.4	3.2	1.7	0.5	-	-	-	1	5.2	13.2	17.3	19°	7.8
14	0.7	4.3	2.2	0.5	-	-	-	0.1	2.5	7.8	10.7	350°	5.3
15	-1.7	3.4	1.3	0.5	-	-	-	0.2	2.2	7.4	10.9	201°	5.2
16	1.5	4.4	3.4	27.0	3.6	0.8	8	0	3.9	9.2	14.7	219°	6.0
17	-0.3	7.9	3.5	0.5	-	-	-	6	2.4	6.9	10.0	111°	4.8
18	-0.8	4.8	2.1	9.0	2.5	1.1	8	0.3	2.6	9.4	10.9	125°	5.7
19	0.2	5.8	2.2	0.3	-	-	-	3	5.1	12.8	19.0	273°	9.1
20	-1.7	6.4	1.0	0.1	-	-	-	6	2.6	9.2	12.1	245°	5.7
21	-1.2	6.5	3.0	4.4	1.9	0.8	16	0.5	2.7	10.7	13.5	200°	7.6
22	1.2	4.1	2.4	13.0	3.0	0.8	6	0	5.7	15.0	20.1	39°	8.9
23	1.2	3.6	2.2	2.2	1.1	0.3	1.5	0	5.8	13.5	16.6	76°	9.4
24	3.7	9.9	7.0	3.8	0.8	0.5	2.3	0.5	3.2	7.4	13.2	132°	6.0
25	6.4	8.9	7.4	7.4	2.5	0.8	6	0.2	4.5	12.8	19.7	186°	9.5
26	4.1	8.0	5.9	0.5	0.3	-	-	4	9.6	23.0	34.7	255°	15.8
27	3.6	9.8	7.0	6.8	3.3	1.6	30	2	4.0	12.1	17.2	180°	7.7
28	3.6	6.1	4.7	12.6	3.3	0.8	6	0.1	6.6	14.5	22.3	330°	9.5

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	64	92	81	-2.4	-0.7	-1.6	1007	1016	1012
2	87	97	93	-1.3	7.0	3.9	1001	1014	1008
3	77	98	90	0.2	7.9	2.5	1006	1010	1008
4	82	98	93	3.5	7.9	6.3	999	1009	1004
5	70	97	88	3.2	8.0	5.0	997	1004	1000
6	90	98	96	2.5	5.5	3.5	1004	1024	1014
7	90	98	96	1.6	3.8	2.8	1017	1024	1020
8	83	96	91	-2.5	1.7	-0.2	1010	1017	1014
9	66	88	81	-3.2	1.3	-1.3	1010	1015	1012
10	55	89	78	-6.4	0.2	-2.7	1013	1019	1016
11	54	82	69	-6.3	-1.5	-4.5	1019	1023	1021
12	76	96	88	-1.6	2.6	0.3	1022	1025	1024
13	70	88	80	-4.1	0.7	-1.5	1019	1024	1022
14	83	96	91	-0.9	2.7	0.8	1013	1021	1017
15	76	97	89	-2.4	2.5	-0.4	998	1013	1006
16	94	98	96	0.9	4.0	2.9	991	998	994
17	57	98	86	-2.3	4.2	1.3	989	992	990
18	88	98	96	-2.1	4.5	1.5	986	992	989
19	61	98	85	-2.6	2.5	-0.3	987	996	992
20	62	96	85	-2.7	1.4	-1.4	995	998	996
21	77	98	92	-2.3	5.2	1.8	991	998	994
22	94	98	97	0.9	3.5	2.0	983	991	987
23	84	98	94	0.2	3.4	1.2	991	994	992
24	88	98	96	3.4	9.0	6.4	986	993	990
25	84	98	95	5.4	8.1	6.6	978	991	984
26	50	98	75	-2.8	6.4	1.6	979	999	989
27	76	96	89	0.1	7.9	5.3	985	1000	992
28	73	98	90	-0.3	5.5	3.1	979	1004	992

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	-0.7	4.0	0.3	1.2	4	0.2	0.7	10	-5.0	4.0	-1.1	6	-	-	-
2	0.6	7.6	0.3	1.1	4	0.5	1.8	5	-2.9	7.5	2.4	0	-	-	-
3	2.1	8.2	0.3	1.4	8	0.1	0.5	7	0.6	8.4	3.3	0	-	-	-
4	7.3	8.2	0.2	0.7	2	0.2	0.7	7	2.5	8.6	6.1	0	-	-	-
5	5.9	10.4	0.6	1.2	6	0.3	1.1	9	2.3	10.4	5.6	0	-	-	-
6	3.1	6.5	0.3	0.9	3	0.4	1.6	4	-0.8	6.5	2.0	0	-	-	-
7	2.8	4.4	0.2	0.4	3	0.3	1.2	4	-1.5	4.4	1.7	0	-	-	-
8	1.4	1.7	0.3	0.2	2	0.5	0.7	3	-5.8	2.3	-1.4	2	-	-	-
9	-0.7	4.6	0.4	1.3	7	0.3	1.0	10	-5.4	2.3	-1.9	3	-	-	-
10	0.7	2.6	0.4	1.0	15	0.6	1.6	10	-6.5	1.7	-3.2	6	-	-	-
11	-0.7	3.0	0.3	1.1	6	0.3	1.2	8	-6.7	1.3	-3.2	4	-	-	-
12	1.2	3.4	0.2	0.5	4	0.3	0.6	5	-3.2	3.3	-0.5	0	-	-	-
13	0.4	3.2	0.3	0.9	6	0.2	0.8	7	-4.8	3.1	-1.2	0	-	-	-
14	0.7	4.3	0.2	0.8	4	0.4	1.2	5	-2.2	4.3	1.3	0	-	-	-
15	-1.7	3.0	0.3	1.4	7	0.2	1.0	8	-1.7	3.3	0.4	6	-	-	-
16	2.9	4.4	0.2	0.8	2	0.3	1.2	2	-1.9	4.4	1.6	0	-	-	-
17	2.4	7.9	0.4	2.0	9	0.4	1.6	12	-0.8	7.9	2.8	0.4	-	-	-
18	-0.8	4.8	0.3	1.0	2	0.2	0.7	1	-3.6	4.8	1.1	8	-	-	-
19	1.0	5.8	0.5	1.7	6	0.5	1.5	22	-4.3	5.5	-0.2	0	-	-	-
20	-1.7	6.4	0.6	2.0	9	0.5	1.8	10	-5.2	5.8	-0.1	10	-	-	-
21	-1.2	6.5	0.4	1.4	5	0.2	0.6	11	-3.0	6.5	1.9	5	-	-	-
22	1.2	2.0	0.1	0.4	1	0.3	1.3	1	-4.1	4.1	-0.4	0	-	-	-
23	1.2	3.6	0.2	0.6	4	0.2	0.9	5	-3.6	3.7	-0.8	0	-	-	-
24	3.7	9.9	0.3	0.9	3	0.2	0.7	5	2.1	10.5	6.2	0	-	-	-
25	6.4	8.9	0.3	1.2	6	0.3	1.3	6	2.9	9.1	5.9	0	-	-	-
26	4.9	8.0	0.4	0.9	8	0.4	1.0	18	-0.1	6.4	2.8	0	-	-	-
27	3.6	9.8	0.9	1.7	7	0.9	1.6	11	1.2	10.0	6.2	0	-	-	-
28	4.5	5.4	0.2	0.7	4	0.2	0.9	9	-1.4	6.0	1.9	0	-	-	-

View daily report for the 1st