PRESTWICK, SCOTLAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.9		40.2		40.4		43.1		46.4		51.4		56		59.3		58.9		55.4		50.3		44.8		40.5

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54.7		45.1		45.5		48.7		52.9		58.6		62.6		65.3		65.1		61.2		55.6		49.8		45.5

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43.2		35.2		35.2		37.4		39.9		44.1		49.5		53.2		52.7		49.6		45		39.7		35.4

Highest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		84		56		58		58		70		77		82		81		84		78		69		59		57

Lowest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		8		8		9		18		24		30		33		32		37		31		23		17		14

Average Number of Days Above 70F/21C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		---		---		---		---		2		3		6		3		1		---		---		---

Average Number of Days Above 60F/15C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103		---		---		---		2		11		19		27		26		13		4		---		---

Average Number of Days Below 32F/0C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47		10		9		6		5		1		---		---		---		---		3		7		7

Average Number of Days With Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		295		26		23		27		24		21		23		23		25		26		27		25		25

Average Rainfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		37		3.6		2.6		3.1		2.1		2		2.4		2.9		3.3		3.3		4.4		3.7		3.7

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		159.8		16.2		12.8		13.9		11.2		10.1		10.7		12.2		13.1		12.5		15.7		15.9		15.3

Average Number of Days With Thunderstorms

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		1		1		---		---		1		1		1		1		1		1		---		---

Average Number of Days With Snow

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		7		7		4		1		---		---		---		---		---		---		2		3

Average Number of Days With Frost

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44.2		9.1		9.1		5.6		3.2		0.9		---		---		---		0.1		1.6		4.9		9.8

Average Morning Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		87		86		85		87		88		86		87		89		90		89		88		86		87

Average Evening Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		73		81		75		73		66		64		68		70		70		73		75		79		83

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		43		35		35		37		38		43		48		52		51		48		44		39		38

Heating Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6161.8		790.5		706.3		697.5		585		449.5		300		201.5		217		330		511.5		660		713

Growing Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		797		---		---		---		---		15.5		150		263.5		248		120		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13		8.6		10.3		12.5		14.9		17.1		18.4		17.7		15.6		13.3		11		9		7.9

Average Daily Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hr		1438.5		41.7		71.5		103.2		158.2		214.1		190.8		182.7		167.1		123.1		91.5		56		38.9

Average Number of Days With Fog

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		52		3		4		3		3		5		5		5		5		6		5		4		4

Average Number of Days With Smoke/Haze

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		9		9		8		10		12		11		9		5		6		9		8		9

Average No. of Days With Vision Obstruction

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125		10		11		10		11		14		13		10		8		8		10		9		11

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		11.2		13.3		13		12.7		10.6		10.2		9.8		9.4		9.8		10.5		11.4		11.9		11.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		0.5		1.1		2		3.3		4.6		4.5		4.2		3.5		2.4		1.3		0.6		0.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.4		0.7		1.3		2		2.6		2.7		2.6		2.2		1.5		0.8		0.4		0.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		0.9		1.8		2.4		3.4		4.2		3.9		3.7		3.4		2.8		1.8		1.1		0.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		0.7		1.5		1.8		2.7		3.8		3.4		3		2.7		2.3		1.5		0.9		0.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		0.5		1.1		2		3.3		4.6		4.5		4.2		3.5		2.4		1.3		0.6		0.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.4		0.9		1.4		2.1		2.6		2.8		2.6		2.2		1.6		1		0.5		0.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		1.3		2.6		3.3		4		4.9		5.1		4.5		4.8		3.7		2.7		1.4		0.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		1.2		2.3		2.9		3.7		5.1		5.7		4.6		4.9		3.5		2.4		1.2		0.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		0.4		0.8		1.5		2.9		3.5		3.6		3.6		2.9		1.9		1		0.5		0.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.3		0.6		1.1		1.9		2.4		2.6		2.5		2		1.3		0.7		0.4		0.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		0.5		1.2		1.5		2.9		3.1		3.1		3.1		2.7		2		1.2		0.7		0.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.2		0.4		0.9		0.9		2		2.1		1.8		2		1.7		1.4		0.9		0.5		0.4