CIVITAVECCHIA, ITALY

Average Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.3		9.9		10.2		11.6		13.7		17.3		20.6		23.4		23.8		21.7		18.3		14.1		11

Average High Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.3		12.8		13.1		14.6		16.7		20.3		23.6		26.5		27		24.9		21.4		17		13.9

Average Low Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.3		7.1		7.4		8.5		10.6		14.3		17.5		20.3		20.5		18.5		15.2		11.1		8.1

Highest Recorded Temperature

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31		17		17		17		18		24		28		31		30		27		26		21		17

Lowest Recorded Temperature

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		1		1		---		6		8		12		13		17		13		---		2		1

Average Number of Days Above 80F/26C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79.5		---		---		---		---		1.2		8.4		25.5		27.5		15.2		1.7		---		---

Average Number of Days Above 65F/18C

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		158		---		---		---		---		16		28		30		31		29		20		3		---

Average Number of Days Below 32F/0C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		0.6		0.2		0.3		---		---		---		---		---		---		---		---		0.2

Average Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		662.8		94.1		70.7		50.1		53.1		41.8		18.9		9.1		25.8		55.8		83		89		71.4

Average Number of Days With Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.8		8.6		7.7		7.2		6.4		3.8		2.6		1.2		2.4		3.6		6.2		8.4		7.7

Most Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		251.4		188.1		148.6		126.2		179.2		101.5		63		60.6		82.8		213.5		186.5		251.4		136.6

Least Reported Precipitation in a Month

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		0.7		3.4		5.3		9.8		---		0.8		---		---		---		1		6.2		4

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.9		3.1		2.8		1.5		1.8		1.1		0.5		0.3		1		1.7		2.7		3		2.4

Average Number of Rainy Days

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		186		22		20		19		21		15		11		4		9		10		15		19		21

Average Number of Days With Thunderstorms

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		2		3		3		3		2		3		1		5		5		4		5		4

Average Number of Days With Snow

Years on Record: 6

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

Average Relative Humidity

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72.8		72		72		72		74		74		74		72		73		72		74		73		72

Average Morning Relative Humidity

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78		76		---		---		80		---		80		73		77		77		80		79		73

Average Evening Relative Humidity

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		69		65		---		---		---		---		75		71		66		69		70		69		63

Heating Degree Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1409.6		260.1		228.3		210.1		140		32.7		---		---		---		---		0.9		128.3		227.3

Cooling Degree Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		492.1		---		---		---		---		---		66.7		156.7		167.9		100.8		---		---		---

Growing Degree Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2334.8		---		7.1		48.2		110		225.6		316.7		415.1		426.3		350.8		257.5		121.7		31

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.1		11.1		12.4		13.9		15.1		15.8		15.4		14.3		12.9		11.5		10.3		9.7

Average Number of Days With Fog

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		139		7		8		11		10		14		16		19		17		15		10		5		7

Average No. of Days With Vision Obstruction

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		140		7		8		11		11		14		16		19		17		15		10		5		7

Average Wind Speed

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		14		14		14		14		12		19		16		17		16		9		12		12		12

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		6.5		9.8		13.9		16.6		20.9		23.5		24.9		21.6		16.1		10.5		6.6		5.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		2.5		3.5		5		7		8		8.2		7.3		6.4		5.4		4.1		2.9		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.4		11.5		14.3		17.1		17.1		19.2		20.4		22.1		21.4		18.6		14.5		10.7		9.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.8		11.9		15.3		17.5		16.5		20.7		23.8		27.6		25		19.8		14.4		10.7		10

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		6.5		9.8		13.9		16.6		20.9		23.5		24.9		21.6		16.1		10.5		6.6		5.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.7		3.8		5.4		7.2		8.5		8.9		8.2		7.4		5.8		4.3		3		2.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.9		14.4		20.4		21.7		19.9		22.1		21.9		23.9		24		22.1		19.6		12.8		15.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.6		15.9		24.6		24.9		21.7		26.8		27.5		32.1		30.6		25.9		21.7		13.6		17.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.1		5.1		6.9		11.2		13.6		16.7		20.3		21.9		17.9		14.6		8.3		5.3		3.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		2.3		2.6		4.1		6.4		7.2		7.7		6.5		5.4		4.5		3.4		2.8		1.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.9		8.1		8.9		13.1		13.7		15.3		17.7		19.5		17.5		16.5		10.7		7.6		6.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.1		7.5		7.7		11.5		11		13		17.8		21.5		17.2		16.3		9.2		6.7		5.5