Arnside & Silverdale AONB Weather

Yearly Reports

Report for Year of 2017

Missing Data
	Heversham	Silverdale	Warton
Month	Minutes	Minutes	Minutes
Jan	0
Feb	0
Mar	0
Apr	0
May	0
Jun	0		12030!
Jul	0		0
Aug	0		0
Sep	0		0
Oct	0	12960!	0
Nov	0	0	900!
Dec	0	0	0
2017	0	406020!	230310!

Mean Temperature
	Heversham	Silverdale	Warton
Month	°C	°C	°C
Jan	5.0
Feb	6.4
Mar	8.3
Apr	9.1
May	13.6
Jun	15.4		16.2
Jul	15.9		16.3
Aug	15.3		15.7
Sep	13.1		13.8
Oct	12.1	12.0	12.5
Nov	6.8	6.9	7.3
Dec	4.4	4.5	4.7
2017	10.5	7.4	12.2

Low Temperature
	Heversham		Silverdale		Warton
Month	°C	When	°C	When	°C	When
Jan	-2.6	05/01
Feb	-1.1	28/02
Mar	-0.4	01/03
Apr	-0.6	25/04
May	1.5	09/05
Jun	6.4	26/06			7.9	26/06
Jul	8.9	08/07			9.1	12/07
Aug	7.2	13/08			7.3	13/08
Sep	3.7	19/09			3.5	19/09
Oct	-0.1	30/10	0.4	30/10	-0.3	30/10
Nov	-1.6	19/11	-1.2	19/11	-2.7	30/11
Dec	-5.8	11/12	-4.1	11/12	-6.0	11/12
2017	-5.8	11/12	-4.1	11/12	-6.0	11/12

High Temperature
	Heversham		Silverdale		Warton
Month	°C	When	°C	When	°C	When
Jan	10.6	11/01
Feb	12.3	02/02
Mar	18.8	25/03
Apr	18.2	08/04
May	28.8	25/05
Jun	28.3	19/06			28.3	19/06
Jul	26.3	18/07			27.3	06/07
Aug	23.2	22/08			23.9	22/08
Sep	20.3	02/09			22.3	28/09
Oct	20.1	16/10	20.5	16/10	20.6	16/10
Nov	15.3	01/11	14.1	01/11	16.6	02/11
Dec	11.8	06/12	11.6	06/12	12.9	03/12
2017	28.8	25/05	20.5	16/10	28.3	19/06

Heating Required
	Heversham	Silverdale	Warton
Month	°C Days	°C Days	°C Days
Jan	412.0
Feb	332.5
Mar	310.6
Apr	275.0
May	158.7
Jun	104.2		61.3
Jul	87.2		75.5
Aug	98.4		86.8
Sep	156.4		135.8
Oct	193.6	139.0	181.5
Nov	345.7	341.7	324.6
Dec	430.8	428.9	421.8
2017	2905.1	909.6	1287.3

Cooling Required
	Heversham	Silverdale	Warton
Month	°C Days	°C Days	°C Days
Jan	0.0
Feb	0.0
Mar	0.0
Apr	0.0
May	12.2
Jun	16.2		15.0
Jul	13.7		15.1
Aug	4.9		7.4
Sep	0.4		1.7
Oct	0.1	0.2	0.2
Nov	0.0	0.0	0.0
Dec	0.0	0.0	0.0
2017	47.5	0.2	39.4

Days High Temp ≥ 25°C
	Heversham	Silverdale	Warton
Month	Days	Days	Days
Jan	0
Feb	0
Mar	0
Apr	0
May	3
Jun	4		2
Jul	2		2
Aug	0		0
Sep	0		0
Oct	0	0	0
Nov	0	0	0
Dec	0	0	0
2017	9	0	4

Days High Temp ≤ 0°C
	Heversham	Silverdale	Warton
Month	Days	Days	Days
Jan	0
Feb	0
Mar	0
Apr	0
May	0
Jun	0		0
Jul	0		0
Aug	0		0
Sep	0		0
Oct	0	0	0
Nov	0	0	0
Dec	0	0	0
2017	0	0	0

Days Low Temp ≤ 0°C
	Heversham	Silverdale	Warton
Month	Days	Days	Days
Jan	8
Feb	4
Mar	1
Apr	1
May	0
Jun	0		0
Jul	0		0
Aug	0		0
Sep	0		0
Oct	1	0	1
Nov	6	5	6
Dec	14	13	14
2017	35	18	21

Rain
	Heversham	Silverdale	Warton
Month	mm	mm	mm
Jan	55.6
Feb	81.2
Mar	117.2
Apr	13.2
May	93.4
Jun	132.6		66.6
Jul	128.6		140.4
Aug	123.4		105.8
Sep	159.6		169.8
Oct	173.4	115.8	135.8
Nov	127.0	173.0	180.4
Dec	92.0	96.4	99.6
2017	1297.2	385.2	898.4

Wettest Day
	Heversham		Silverdale		Warton
Month	mm	When	mm	When	mm	When
Jan	15.0	28/01
Feb	18.6	25/02
Mar	17.4	22/03
Apr	4.8	16/04
May	38.8	27/05
Jun	25.8	05/06			17.2	28/06
Jul	22.6	26/07			42.6	19/07
Aug	16.8	31/08			26.4	01/08
Sep	16.4	12/09			32.2	13/09
Oct	50.4	11/10	34.0	11/10	33.0	11/10
Nov	63.6	22/11	75.8	22/11	93.0	22/11
Dec	11.6	24/12	12.6	07/12	13.8	07/12
2017	63.6	22/11	75.8	22/11	93.0	22/11

High Rain Rate
	Heversham		Silverdale		Warton
Month	mm/Hr	When	mm/Hr	When	mm/Hr	When
Jan	17.6	31/01
Feb	15.4	23/02
Mar	16.6	08/03
Apr	5.8	16/04
May	411.4	27/05
Jun	71.2	21/06			58.8	21/06
Jul	102.8	19/07			288.0	19/07
Aug	221.6	18/08			151.6	15/08
Sep	120.0	30/09			99.4	13/09
Oct	1440.0	16/10	108.6	13/10	72.0	19/10
Nov	32.6	22/11	28.8	10/11	63.6	22/11
Dec	57.6	17/12	39.2	07/12	48.4	07/12
2017	1440.0	16/10	108.6	13/10	288.0	19/07

Days Rained Measurably
	Heversham	Silverdale	Warton
Month	Days	Days	Days
Jan	20
Feb	24
Mar	25
Apr	14
May	11
Jun	19		6
Jul	20		19
Aug	23		21
Sep	25		24
Oct	24	18	23
Nov	27	26	20
Dec	25	22	23
2017	257	66	136

Days Rain ≥ 2 mm
	Heversham	Silverdale	Warton
Month	Days	Days	Days
Jan	9
Feb	8
Mar	15
Apr	1
May	6
Jun	11		6
Jul	14		14
Aug	16		14
Sep	19		15
Oct	18	11	14
Nov	10	14	12
Dec	14	14	16
2017	141	39	91

Days Rain ≥ 20 mm
	Heversham	Silverdale	Warton
Month	Days	Days	Days
Jan	0
Feb	0
Mar	0
Apr	0
May	2
Jun	2		0
Jul	1		2
Aug	0		1
Sep	0		2
Oct	1	1	2
Nov	1	1	1
Dec	0	0	0
2017	7	2	8

Mean UV Index
	Heversham	Warton
Month	Index	Index
Jan	0.0
Feb	0.0
Mar	0.1
Apr	0.4
May	0.6
Jun	0.6	1.0
Jul	0.6	0.9
Aug	0.5	1.2
Sep	0.3	0.3
Oct	0.1	0.1
Nov	0.0	0.0
Dec	0.0	0.0
2017	0.3	0.5

High UV Index
	Heversham		Warton
Month	Index	When	Index	When
Jan	0.5	25/01
Feb	1.0	23/02
Mar	2.4	31/03
Apr	4.0	23/04
May	4.9	24/05
Jun	5.6	24/06	7.0	12/06
Jul	5.5	01/07	6.7	01/07
Aug	4.7	04/08	4.7	10/08
Sep	3.1	01/09	3.6	02/09
Oct	1.8	03/10	2.0	02/10
Nov	0.8	01/11	0.8	01/11
Dec	0.0	01/12	0.0	01/12
2017	5.6	24/06	7.0	12/06

Mean Solar Radiation
	Heversham	Warton
Month	W/m2	W/m2
Jan	20
Feb	37
Mar	87
Apr	151
May	207
Jun	171	182
Jul	171	190
Aug	137	212
Sep	92	96
Oct	42	41
Nov	26	31
Dec	15	14
2017	97	107

High Solar Radiation
	Heversham		Warton
Month	W/m2	When	W/m2	When
Jan	371	13/01
Feb	679	28/02
Mar	870	31/03
Apr	1232	27/04
May	1113	14/05
Jun	1216	04/06	1355	12/06
Jul	1238	14/07	1262	02/07
Aug	1099	04/08	1111	01/08
Sep	916	09/09	962	11/09
Oct	633	12/10	731	02/10
Nov	513	01/11	478	04/11
Dec	330	26/12	253	15/12
2017	1238	14/07	1355	12/06

Evapo- transpiration
	Heversham	Warton
Month	mm	mm
Jan	11.464
Feb	15.758
Mar	36.094
Apr	62.407
May	94.416
Jun	75.921	64.307
Jul	78.892	95.868
Aug	62.327	58.651
Sep	37.848	47.867
Oct	20.344	24.587
Nov	11.598	15.730
Dec	6.074	8.685
2017	513.143	315.695

Average Wind
	Heversham	Silverdale	Warton
Month	Mph	Mph	Mph
Jan	3.8
Feb	3.8
Mar	2.9
Apr	2.4
May	2.3
Jun	2.4		3.9
Jul	1.7		3.5
Aug	1.8		3.5
Sep	1.7		3.3
Oct	3.0	2.7	4.2
Nov	2.2	1.5	2.7
Dec	2.2	1.4	2.9
2017	2.5	1.8	3.4

High Wind
	Heversham		Silverdale		Warton
Month	Mph	When	Mph	When	Mph	When
Jan	49	11/01
Feb	40	22/02
Mar	30	19/03
Apr	30	24/04
May	25	03/05
Jun	31	08/06			29	11/06
Jul	26	28/07			28	21/07
Aug	29	03/08			29	03/08
Sep	27	10/09			28	11/09
Oct	46	16/10	34	17/10	60	20/10
Nov	31	07/11	25	23/11	34	23/11
Dec	33	07/12	26	25/12	36	07/12
2017	49	11/01	34	17/10	60	20/10

Wind Run
	Heversham	Silverdale	Warton
Month	Miles	Miles	Miles
Jan	2821.0
Feb	2560.0
Mar	2172.5
Apr	1726.0
May	1722.5
Jun	1700.0		2003.0
Jul	1278.0		2606.5
Aug	1332.0		2573.0
Sep	1212.0		2346.0
Oct	2224.0	1402.0	3151.0
Nov	1581.0	1108.5	1913.0
Dec	1662.0	1075.0	2157.0
2017	21991.0	3585.5	16749.5

Dominant Wind Direction
	Heversham	Silverdale	Warton
Month
Jan	SSE	-	-
Feb	W	-	-
Mar	W	-	-
Apr	W	-	-
May	ENE	-	-
Jun	WSW	-	W
Jul	W	-	W
Aug	WSW	-	W
Sep	SSE	-	W
Oct	W	WSW	W
Nov	W	WSW	W
Dec	W	WSW	W
2017	W	WSW	W

An ! on a Data Missing value indicates that the weather station measurements for the time period will be excluded from the evaluation of some records because the amount of missing data undermines their validity.The maximum data that can be missing is 720 minutes for a month, 8640 minutes for a year.

Wind Direction Percentages for Year of 2017

Move the cursor over the plot to see the exact data values.