Esterbrook, WY

Full City Profile · Wyoming · Converse County County

2.1 /5.0

C Fair

35 Population 10/sq mi density

44°F Avg Temperature 302 sunny days/yr

412 Violent Crime/100K 3,048 property/100K

Overall

2.1 / 5.0

Fair overall score based on economy, affordability, safety and education

Safety

1.0 / 5.0

412 violent crimes/100K (8% above avg)

Education

3.3 / 5.0

28.6% bachelor's degree or higher

Esterbrook has a cool climate with an average annual temperature of 44°F (7°C). Winters average 27°F in January while summers reach 66°F in July. The area gets 302 sunny days per year. Annual precipitation totals 15.5 inches. The area receives 65.8 inches of snow annually. Air quality is rated Good with a median AQI of 34.

Temperature

27°F Jan (-3°C) 66°F Jul (19°C)

Annual Average	44.4°F
	18% below US avg
January Average	27°F (-3°C)
July Average	66°F (19°C)
Sunny Days	302 days/yr

Geography

Elevation	6,408 ft (1,953 m)
Area	3.4 sq mi (8.7 km²)
Population Density	10/sq mi
Coordinates	42.4061°N, 105.3859°W
Timezone	America/Denver
County	Converse County County
Nearest Airport	Casper/Natrona County International (CPR) 65 miles away

Precipitation & Snow

Annual Rainfall 15.5"

59% below US avg

Snowfall 65.8"

Wettest Month (May) 2.68"

Driest Month (Jan) 0.43"

Air Quality

AQI Median	34.0
Rating	Good

Air Pollutants (EPA 2023)

Ozone (O₃)	0.0479 ppm
NO₂ (Nitrogen Dioxide)	2.5 ppb
CO (Carbon Monoxide)	0.10 ppm

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	31.4 / 100
Social Vulnerability	42.4 / 100
Community Resilience	12.3 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Very Low
Wildfire	Relatively Moderate
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Very Low
Heat Wave	Very Low
Winter Weather	Relatively Moderate
Lightning	Relatively Low
Ice Storm	Very Low
Drought	Very Low
Cold Wave	Relatively Moderate
Landslide	Very Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

35 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M2.5 on Jul 21, 2025.

Oct 19, 1996	21 km E of Antelope Hills, Wyoming	M4.2	94 km
Aug 29, 2004	16 km NNW of Douglas, Wyoming	M3.8	54 km
Aug 2, 2021	12 km NW of Rolling Hills, Wyoming	M3.8	79 km
Oct 10, 1993	41 km W of Esterbrook, Wyoming	M3.7	40 km
Feb 1, 2003	11 km E of Antelope Hills, Wyoming	M3.7	99 km
Apr 9, 1996	34 km SW of Edgemont, South Dakota	M3.7	128 km
Jul 23, 1993	29 km WNW of Esterbrook, Wyoming	M3.7	27 km
Feb 15, 2004	19 km N of Douglas, Wyoming	M3.5	59 km
Aug 13, 2004	35 km SW of Alcova, Wyoming	M3.5	130 km
Oct 8, 2009	31 km SSW of Alcova, Wyoming	M3.4	124 km
Mar 29, 2022	10 km NNW of Ryan Park, Wyoming	M3.3	149 km
Mar 10, 1993	27 km W of Midwest, Wyoming	M3.2	149 km
Aug 22, 2016	16 km S of Casper Mountain, Wyoming	M3.2	77 km
Apr 13, 1991	30 km NW of Hanna, Wyoming	M3.2	128 km
Jul 22, 2020	16 km NW of Rolling Hills, Wyoming	M3.2	82 km
Dec 13, 1993	14 km SW of Esterbrook, Wyoming	M3.2	12 km
Nov 30, 2012	33 km NNE of Powder River, Wyoming	M3.1	150 km
May 3, 1996	32 km SSW of Edgemont, South Dakota	M3.1	132 km
Dec 18, 1991	24 km NE of Sinclair, Wyoming	M3.1	137 km
Feb 1, 2000	34 km S of Alcova, Wyoming	M3.0	112 km

Source: USGS (M2.5+, 1990–2025)

Tornado History

158 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 19 injuries.

Date	Rating	Distance	Fatalities
Jul 28, 2018	EF3	29 km	0
Jun 27, 1955	EF3	66 km	0
Sep 10, 2019	EF2	70 km	0
Jun 12, 2017	EF2	99 km	0
Jun 7, 2012	EF2	46 km	0
Jun 13, 1984	EF2	88 km	0
Jun 5, 1982	EF2	28 km	0
Jun 5, 1982	EF2	92 km	0
Jul 28, 1978	EF2	91 km	0
May 29, 1971	EF2	88 km	0
Apr 12, 1967	EF2	95 km	0
Jun 26, 1955	EF2	54 km	0
Jul 6, 2019	EF1	99 km	0
Jul 28, 2018	EF1	18 km	0
Jun 12, 2017	EF1	33 km	0
Jul 14, 1994	EF1	52 km	0
Jun 2, 1991	EF1	56 km	0
May 24, 1990	EF1	98 km	0
May 24, 1990	EF1	97 km	0
Jun 18, 1987	EF1	35 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: ARAPAHO (100,043 ac, 2012).

Year	Name	Acres	Distance
2012	ARAPAHO	100,043	21 km
1996	OLMSTEAD D	44,562	66 km
2024	PLEASANT VALLEY	28,249	63 km
2010	ORPHA	25,839	61 km
2006	OLD CHICAGO	25,218	53 km
2018	BRITANIA MOUNTAIN	23,701	35 km
2002	REESE	19,624	43 km
1996	GEARY D. 2	15,564	81 km
2002	HENSEL	14,439	10 km
2011	SQUAW MTN	14,379	54 km
2012	SAWMILL CANYON	13,438	43 km
2006	TWENTY MILE	11,732	56 km
2006	JACKSON CANYON	11,686	95 km
2000	ORMSBY	11,539	97 km
2012	SHEEP HERDER HILL COMPLEX	10,759	79 km
1999	WALKER	10,022	57 km
2015	STATION	9,845	84 km
1996	HENRYS	9,839	95 km
2010	WILLOW CREEK	9,706	70 km
1996	BONER	9,414	65 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	27°F (-3°C)	0.4 in	Driest
February	27°F (-3°C)	0.4 in
March	33°F (0°C)	1.0 in
April	40°F (5°C)	1.6 in
May	49°F (10°C)	2.7 in	Wettest
June	59°F (15°C)	2.2 in
July	66°F (19°C)	1.6 in	Warmest
August	65°F (18°C)	1.1 in
September	56°F (13°C)	1.2 in
October	46°F (8°C)	0.8 in
November	33°F (1°C)	0.7 in
December	27°F (-3°C)	0.5 in	Coldest

Esterbrook has a seasonal temperature swing of 39°F / from 27°F in December to 66°F in July. Total annual precipitation is 14.2 inches, with May being the wettest month (2.7") and January the driest (0.4").

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