Daylight through the yearLongest day (Jun 21): 15 h 0 min5:39 am – 8:39 pmShortest day (Dec 21): 9 h 21 min7:25 am – 4:46 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively ModerateYork County, PA, compared with all US countiesHigher-risk hazardsWinter weather Very HighRiver flooding Relatively HighStrong wind Relatively HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality59% of days had good air in 2025217 of 365 days measured145 moderate, 3 unhealthy for sensitive groups daysMedian index 45, worst day 116main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, York County monitors, PA
Drinking waterHanover Muni Water Worksserves 40,900 people from surface waterNo health-based violations since 202111 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
