BILL, WYOMING

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Elevation: 4372 feet Latitude: 43 25N Longitude: 104 59W

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

08:11 am

09:47 pm
Local Time
12:40 am EDT
18 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46.9		23.7		27.4		34.7		44.7		54.6		64.3		72.9		70.8		60.4		48.4		34.9		25.7

Average High Temperature

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61.5		36.2		40.4		48.1		58.9		69.1		79.7		89.9		88.1		77.3		64		48		38

Average Low Temperature

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		32.2		10.7		14.2		21.3		30.5		40.3		48.8		55.8		53.6		43.3		32.8		21.9		13.5

Highest Recorded Temperature

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		111		68		74		85		87		96		106		111		107		103		89		87		70

Lowest Recorded Temperature

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-49		-47		-49		-28		-21		12		22		29		32		10		-8		-24		-42

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.4		---		---		---		---		---		0.4		2.9		1.1		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41.8		---		---		---		---		0.6		5.2		17.1		15.2		3.8		---		---		---

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		92		---		---		---		1.2		5.4		16		27		27.2		13		2.2		0.1		---

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		142.2		---		---		1.5		6.6		14.8		25.4		30.5		30.5		22.5		9.2		1.3		---

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		191.8		0.5		1.6		7.4		15.1		24.5		28.9		31		30.9		27.5		18.2		5.8		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		243.5		4.4		7.4		16.7		22.6		29.5		29.9		31		31		29.3		25.7		12		4

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		297.8		14.6		15.7		24		27.6		31		30		31		31		29.8		29.3		20.7		13

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		364.5		31		28		31		30		31		30		30.7		30.8		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		348.3		31		28		31		30		30.9		28.4		23.1		24.7		29.1		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		286.3		31		28		31		29.8		27.4		14.7		4.1		5.9		22.7		30.7		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		222.6		30.8		27.8		29.9		25.8		13.4		1.9		---		0.2		8.7		25		28.4		30.7

Average Number of Days Below 32F/0C

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		175		29.1		26.1		26.6		17.3		4.8		0.3		---		---		3.2		14.3		24.8		28.4

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		80.4		19.6		15.6		9.1		2.1		0.1		---		---		---		0.1		2.2		11.2		20.5

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		35.1		9.9		7.2		2.9		0.3		---		---		---		---		---		0.3		3.9		10.6

Average Number of Days Below 0F/-17C

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.9		7.8		4.7		1.6		0.1		---		---		---		---		---		---		1.4		5.2

PRECIPITATION

Average Precipitation

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		12.9		0.2		0.4		0.7		1.4		2.3		2.3		1.7		1.3		1		0.9		0.4		0.3

Average Number of Days With Precipitation

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59		3		3		5		6		9		8		6		4		5		4		3		3

Most Reported Precipitation in a Month

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.9		1		1.6		2.2		4.8		6.9		7.9		6		4.4		3.6		4.4		2		1.6

Least Reported Precipitation in a Month

Years on Record: 85

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

Most Precipitation Reported in a Day

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		3.2		0.8		1.2		1.6		2.4		3.2		3.2		2.2		3.1		2		1.7		1.1		0.6

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		34		0.7		1.6		2.3		4.1		5.1		4.7		3.8		3		3.1		2.8		1.7		1.1

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

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		1		1		2		4		5		5		4		3		3		2		1		1

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

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		1		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		7		---		0.1		0.4		1		1.4		1.2		0.9		0.7		0.5		0.5		0.3		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		41.6		4.9		5.2		8.8		7.1		1.2		0.1		---		---		0.6		2.5		5.3		5.9

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.7		4.8		4.5		4.5		3		0.5		---		---		---		0.3		1.6		3.7		5.8

Average Snow Cover

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		1		2		1		1		---		---		---		---		---		---		---		1		2

Most Snow Reported in a Month

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		31		18		16		26.8		31		12		6		---		---		13		15.4		29.5		29.5

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		14.1		1.6		1.9		2.6		2.3		0.4		---		---		---		0.2		1.1		1.7		2.3

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		5.1		0.2		0.7		1.1		1		0.2		---		---		---		0.1		0.4		0.7		0.7

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		1.9		0.1		0.2		0.6		0.4		---		---		---		---		---		0.2		0.3		0.1

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.2		---		---		0.1		---		---		---		---		---		---		---		0.1		---

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53.4		12.3		9.7		7.2		2.5		0.1		---		---		---		0.1		1.5		6		14

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.6		6		5.9		3.5		1.3		---		---		---		---		---		0.6		3.5		7.8

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.2		2.7		2.8		1.6		0.7		---		---		---		---		---		0.3		2		4.1

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		0.1		---		0.2		0.1		---		---		---		---		---		0.1		0.3		1.4

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7017		1214		1023		874		590		318		89		11		16		179		542		912		1249

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		637		---		---		---		1		11		91		260		225		49		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2543		---		1		11		54		200		454		714		674		338		81		14		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.9		11.1		12.5		14		15.3		16		15.6		14.4		12.9		11.5		10.2		9.6

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		1.9		2.7		3.9		5		6.1		6.8		6.7		6		4.7		3.3		2		1.6

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		0.7		0.9		1.4		1.8		2.1		2.2		2.1		1.8		1.4		1		0.7		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		3.6		4.1		4.8		5.2		5.7		5.9		6		6		5.6		4.8		3.6		3.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		3.8		4.4		5		5.5		6.5		7.2		7.4		7.1		6.2		5.1		3.9		3.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		1.9		2.7		3.9		5		6.1		6.8		6.7		6		4.7		3.3		2		1.6

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		0.7		1		1.5		2		2.3		2.4		2.3		1.9		1.6		1.1		0.8		0.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		4.4		5		5.7		6.3		6.3		6.6		6.5		6.2		6.2		5.4		4.7		4.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.8		4.9		5.7		6.5		7.6		7.8		9		8.6		7.5		7.4		6		5.4		5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		1.6		2.2		3		3.9		5		6		6.1		5.7		4		3		1.6		1.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.2		0.6		0.8		1.2		1.5		1.9		1.9		1.9		1.7		1.2		0.9		0.6		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		2.9		3.2		3.7		3.9		4.6		5.2		5.4		5.6		4.6		4.3		2.6		2.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		2.9		3		3.1		3.3		4.2		5.7		6		6.3		4.6		4.3		2.3		2.5

NEARBY - MAP

NEARBY - LIST

Clareton, Wyoming (8 mi / 13 km)
Douglas - Thunder Basin National Grassland, Wyoming (10 mi / 17 km)
Rochelle, Wyoming (12 mi / 20 km)
Hampshire, Wyoming (15 mi / 25 km)
Thunder Basin - East, Wyoming (17 mi / 28 km)

GEOBA.SE

Bill, Wyoming