Daylight through the yearLongest day (Jun 21): 15 h 22 min5:28 am – 8:49 pmShortest day (Dec 21): 9 h 0 min7:35 am – 4:35 pm
Sun todaySunrise –Sunset –
People0 residentsin the ZIP code area0 householdsSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month July: highs 88°F, lows 52°FColdest month December: highs 32°F, lows 11°F13 in of rain a yearwettest month May72 in of snow a year, on about 46 days33 days above 90°F, 194 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Powder River #2 station, 12 mi away; rain from Powder Rvr (school); snow from Casper Natrona Co Ap
Parks and public landsRed Buttesstate park · 19.5 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes15 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 19 Oct 199637 mi away, near Antelope Hills, WyomingMost recent: magnitude 3.0 on 12 Feb 202636 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowNatrona County, WY, compared with all US countiesHigher-risk hazardsWinter weather Very HighSource: FEMA National Risk Index (county level)
Air quality86% of days had good air in 2025315 of 365 days measured50 moderate daysMedian index 42, worst day 76main pollutant: ozoneSource: US EPA Air Quality Index, Natrona County monitors, WY
Drinking waterCity of Casperserves 59,000 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation5,678 ft1,731 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalBanner Wyoming Medical Center24.9 miSource: USGS National Structures Dataset
Getting aroundAirportCasper-Natrona County International Airport CPR16 miInterstateI-2522 miUS highwayUS 203.1 miCoachCasperExpress Arrow24 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 82646 ZIP area.
