PONTA DELGADA, PORTUGAL

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.1		14.1		13.7		14.2		14.7		15.9		18.1		20.4		21.7		21		18.9		16.8		15.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.8		16.5		16.3		16.7		17.4		18.7		21		23.7		25		24		21.7		19.4		17.6

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.2		11.5		11.1		11.5		11.9		13.1		15.2		17.2		18.4		17.9		16.1		14.3		12.6

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.8		19.8		20.4		21.9		21.3		24		25.6		27.8		28.8		28.6		26.2		24.6		21.6

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.5		4.4		3.5		4.2		5.3		6.6		8.3		11.9		11.9		9.6		8.6		7.4		5.7

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32.9		---		---		---		---		---		0.1		6.8		16.9		8.6		0.5		---		---

Average Number of Days Above 70F/21C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		118		---		---		---		---		1		11		29		31		28		17		2		---

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		972.1		112.4		81.4		84.8		66.8		64.2		39.2		27.3		48.3		97		107.5		122		121.2

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		229.5		22.5		19.4		19.5		19.5		18.7		16.3		15.9		15.1		18.5		20.5		20.9		22.7

Most Precipitation Reported in a Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		209.6		145.2		41.1		63.3		51.1		165.7		41.2		35.3		87.3		157.4		209.6		91.1		73

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.2		3.4		2.4		2.7		1.6		1.6		1		0.6		1.2		2.3		2.7		4		3.7

Average Number of Days With Thunderstorms

Years on Record: 16

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

Most Rain Reported in a Month

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1340		290		240		230		180		160		100		90		240		230		360		280		240

Least Recorded Rainfall

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		480		10		---		---		---		---		---		---		---		---		10		10		10

Avg. No. of Days w/Rain Above 0.1in/2mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		121.5		13		12		11.1		9.9		9.3		6.3		5.7		6.2		10.1		11.3		12.8		13.8

Average Morning Relative Humidity

Years on Record: 16

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

Average Evening Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78		81		79		79		76		78		78		75		75		76		78		81		81

Average Dew Point

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13		11		10		11		10		12		15		16		18		17		15		13		12

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		813.5		134.3		131.1		130.9		110.8		74.9		6.7		---		---		---		---		45		99.9

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		266.9		---		---		---		---		---		---		66.3		104.2		78.3		18.1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2703.9		124		104.4		127.4		139.2		183.4		243.3		324.7		362.6		328.3		276.4		205		158.4

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.4		13.7		14.7		15.3		15		14		12.8		11.6		10.6		10.1

Average Number of Days With Fog

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61		4		6		8		5		6		5		3		4		3		4		6		7

Average Wind Speed

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		16		16		25		17		16		14		14		12		9		12		14		16		16

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		7.3		10.3		14.4		19.4		22		23.6		24.8		23		18.2		12.3		8.3		6.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		3.1		4.1		5.5		6.8		7.9		8.3		7.4		6.3		5.4		4.4		3.3		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		11.2		13.5		16.8		19.8		20.1		20.6		22		22.5		20.6		16.2		12.5		10.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		11.3		13.6		16.3		20.6		21.7		23.2		26.5		26.5		22.5		16.4		12.8		10.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		7.3		10.3		14.4		19.4		22		23.6		24.8		23		18.2		12.3		8.3		6.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3.2		4.3		5.8		7.3		8.5		9		8.2		7		5.9		4.7		3.4		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		13.6		18.2		19.5		23.4		22.8		22.1		25		24.5		22.4		21.3		15.4		13.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.7		14.6		20.8		20.6		27.6		27.5		26.9		34.1		30.9		25.8		24.2		17		14.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.9		6.3		8.5		12.2		16.7		19.5		20.4		22.2		21.2		16.7		10.6		7.3		5.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		3		3.5		5.2		5.7		7.1		7.7		6		5.4		4.8		3.5		3		2.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		9		10.5		13.8		16.8		17.9		18		19.8		20.6		18.6		13.4		10.4		8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		8.3		9.3		11.8		15.3		17		17.4		21.2		22.5		19		12.2		10		7.3