Daylight through the yearLongest day (Jun 21): 15 h 13 min5:33 am – 8:46 pmShortest day (Dec 21): 9 h 9 min7:31 am – 4:40 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 85°F, lows 51°FColdest month December: highs 31°F, lows 13°F9 in of rain a year, on about 28 dayswettest month May93 in of snow a year, on about 27 days15 days above 90°F, 192 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Rawlins Muni Ap station, 12 mi away; snow from Elk Mtn
Nearby landmarksJohnston Number 2 Reservoirreservoir · 3.0 miRattlesnake Buttepeak · 6.6 miGrenville Domepeak · 6.6 miStage Station Springsspring · 7.5 miJohnson Islandisland · 10.0 miSource: USGS Geographic Names Information System
Parks and public landsFort Fred Steelestate park · 4.3 mi · 166 acresPlatte River Crossingstate park · 9.9 miMedicine Bow National Forestnational forest · 15.9 mi · 1,084,367 acresSeminoe Reservoir State Parkstate park · 20.5 mi · 34,202 acresRoutt National Forestnational forest · 55.8 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes26 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.3 on 6 Apr 199943 mi away, near Wamsutter, WyomingMost recent: magnitude 3.4 on 14 Sep 202426 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowCarbon County, WY, compared with all US countiesHigher-risk hazardsAvalanche Relatively HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality100% of days had good air in 2025362 of 362 days measuredNo moderate or unhealthy daysMedian index 8, worst day 43main pollutant: nitrogen dioxideSource: US EPA Air Quality Index, Carbon County monitors, WY
Drinking waterCity of Rawlins Water Supplyserves 9,006 people from surface water2 health-based violations since 2021latest Jul 2023: surface water treatment, treatment technique34 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation6,642 ft2,024 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalMemorial Hospital of Carbon County14.8 miPost officeSinclair Post Office7.8 miTown hallSinclair Town Hall7.7 miPoliceSinclair Police Department7.7 miFire stationSinclair Refinery Volunteer Fire Department7.6 miSource: USGS National Structures Dataset
Getting aroundAirportLaramie Regional Airport LAR74 miInterstateI-803.0 miUS highwayUS 303.0 miCoachRawlins WY (RWY)Greyhound13 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 82615 ZIP area.