Daylight through the yearLongest day (Jun 21): 14 h 55 min6:24 am – 9:19 pmShortest day (Dec 21): 9 h 26 min8:05 am – 5:30 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 87°F, lows 66°FColdest month January: highs 38°F, lows 23°F46 in of rain a year, on about 75 dayswettest month April12 in of snow a year, on about 8 days38 days above 90°F, 101 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Palestine station, 8 mi away
Parks and public landsSullivan City Parkpark · 4.8 miSullivan Elks Country Clubnature preserve · 5.1 mi · 83 acresMinnehana Fish and Wildlife Areastate conservation land · 6.8 mi · 12,889 acresShakamak State Parkstate park · 14.4 miFairbanks Landing Passtate conservation land · 12.4 miShakamak Prairie Nature Preservestate park · 14.5 mi · 1,749 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes23 of magnitude 3 or more within 50 miles since 19706 of magnitude 4+, 2 of magnitude 5+Largest: magnitude 5.2 on 18 Apr 200846 mi away, near Bellmont, IllinoisMost recent: magnitude 3.5 on 29 Jun 202642 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowSullivan County, IN, compared with all US countiesHighest-rated hazardsEarthquake Relatively LowDrought Relatively LowSource: FEMA National Risk Index (county level)
Air quality91% of days had good air in 2025314 of 344 days measured30 moderate daysMedian index 36, worst day 93main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Knox County, IN, 25 mi away
Drinking waterIndiana American Water - Sullivanserves 6,598 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation506 ft154 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSullivan County Community Hospital6.7 miPost officeMerom Post Office5.1 miTown hallSullivan City Hall5.2 miPoliceSullivan Police Department5.2 miFire stationGill Township Volunteer Fire Department Station 2under a mileSource: USGS National Structures Dataset
Getting aroundAirportEvansville Regional Airport EVV70 miMajor airportIndianapolis International Airport IND79 miInterstateI-6924 miUS highwayUS 413.5 miAmtrakMattoon, IL MAT57 miCoachTerre Haute, IN (Phillips 66 gas station)OurBus29 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 47864 ZIP area.
