DELTANA, ALASKA

Average Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.7		-21		-15		---		-0.5		7.7		13.7		14.8		11.9		5.6		-4.7		-14.1		-18.4

Average High Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.9		-16.3		-8.9		---		7.4		15.6		21.2		22		19.2		12.7		0.7		-9.4		-13.6

Average Low Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-9.3		-25.8		-21.1		---		-8.4		-0.2		6.2		7.7		4.7		-1.6		-10.2		-18.7		-23.3

Highest Recorded Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32.2		8.3		7.8		23.3		28.9		32.2		30.6		30.6		21.7		24.4		8.3		13.3		32.2

Lowest Recorded Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-52.8		-51.1		-52.8		-33.9		-8.3		-7.2		---		-4.4		-15.6		-37.8		-41.1		-47.8		-52.8

Average Number of Days Above 90F/32C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		---		---		---		---		0.2		---		---		---		---		---		---		0.2

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		8.2		---		---		---		---		0.2		2.6		3.6		1.7		---		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.2		---		---		---		0.1		4.6		16		21		8.3		---		0.1		---		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105.8		---		---		---		1.7		16.7		26.5		29.1		22.1		9.3		0.3		---		---

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		151.8		---		---		0.7		9.6		28		29.7		31		29.9		20.8		2		0.1		0.1

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		186.6		0.4		0.5		5.6		21.1		30.5		30		31		31		26.9		9		0.3		0.5

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		364.9		31		28		31		30		31		29.9		31		31		30		31		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		353.5		31		28		31		30		30.8		26.3		24.4		30		30		31		30		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		291.9		31		28		31		30		27.2		8.3		3.5		13.9		27.5		30.6		30		31

Average Number of Days Below 32F/0C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		253		28		30.9		28.3		29.3		17.6		1.9		0.1		5.4		20.5		29.7		29.9		31

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		184.7		29.9		27.1		28.7		15.4		0.5		---		---		---		3.6		20.6		28.5		30.3

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		143.8		27.3		24.8		22.9		7		---		---		---		---		0.4		10.3		23.3		27.8

Average Number of Days Below 0F/-17C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		92.9		22.8		16.4		3.7		---		---		---		---		---		4.6		16.1		21.3		8

Average Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		282		7		5		4		7		30		55		56		53		32		13		11		10

Average Number of Days With Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75		3		3		2		2		7		10		13		12		8		5		5		5

Most Reported Precipitation in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		148		23		18		17		20		68		134		134		148		74		30		37		31

Least Reported Precipitation in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		---		5		16		11		16		6		---		---		---

Most Precipitation Reported in a Day

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		43.2		8.9		8.9		7.6		14.5		32.5		33		43.2		38.6		27.9		12.7		8.9		8.1

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.2		0.8		0.7		0.5		1.1		3.6		6.3		6.4		6.1		3.9		1.7		1.1		1

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34		1		1		1		1		4		6		6		6		4		2		1		1

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

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		1		1		1		1		1		---		---		---

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.1		---		---		---		0.1		0.7		0.9		0.9		0.9		0.5		0.1		---		---

Average Snowfall

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		105.2		15.5		12.9		10.2		7.4		1.8		---		---		---		3.8		19.6		17.5		16.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33.2		4.9		4.3		3.4		1.8		0.2		---		---		---		0.9		5.9		6.1		5.7

Most Snow Reported in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		57.1		33		57.1		25.1		36.8		15.2		---		---		---		25.4		50.5		40.9		38.9

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.8		2.3		2.3		1.6		1.1		0.2		---		---		---		0.7		3.4		2.6		2.6

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.8		0.5		0.4		0.5		0.3		0.1		---		---		---		---		0.7		0.8		0.5

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

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

Heating Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5801.1		1047.8		785		780		398.3		164.4		26.7		11.7		56.7		216.7		543.3		804.4		966.1

Cooling Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.2		---		---		---		---		---		3.3		2.8		1.1		---		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		656		---		---		---		---		39		210		281		119		6		1		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.6		6.8		9.6		12.7		16.2		19.9		22.4		20.5		17.2		13.7		10.5		7.5		5.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.5		0.5		2.8		8.2		15.1		19.4		20.9		18.5		14		9		4.2		1		0.1

Average 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		0.4		1.9		4.6		7		8.9		9.1		9.4		7.9		4.9		2.7		0.8		0.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		2.2		6.5		14.1		19.9		18.3		17.9		16.3		14.2		12.3		8.6		3.5		0.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		1.8		5.9		12.8		20.4		23.4		26		19.9		14.4		12.2		7.5		3.2		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.5		0.5		2.8		8.2		15.1		19.4		20.9		18.5		14		9		4.2		1		0.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		0.4		2		4.9		7.2		8.9		9.2		9.5		7.9		5.2		3		0.8		0.1

Maximum 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		2.7		7.4		16.3		21.7		20.6		19.8		18.7		18.2		14.7		10.2		3.8		0.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		2.3		6.8		15.2		23		28.4		30.5		25.3		21.6		15.4		9		3.6		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.2		0.5		2.6		6.9		13.7		16.4		18.6		16.1		12.2		7.3		3.6		0.9		0.1

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		0.4		1.7		4.1		6.9		8.8		8.9		9.3		7.8		4.5		2.4		0.6		0.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.4		1.8		5.7		11.2		17.8		15.1		15.8		14.1		12		9.3		6.7		2.8		0.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.5		5		9.6		17.2		16.8		21.5		14.9		10.4		8.3		6		2.6		---