Hurricanes and Tornadoes That Hit Port Royal, PA

The nearest NOAA station with 1991–2020 climate normals is Lewistown, PA, 9 miles northwest of Port Royal at 460 feet. July is the warmest, with an average high of 85°F and low of 63°F; January is the coolest, at 37°F and 21°F. September is the wettest at 4.4 inches of precipitation on average and February the driest at 2.3 inches; the year adds up to 42.3 inches over 83 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (22.5 of 42.3 inches); the other six months are drier. October has brought the most of the 19 tropical systems that passed within 75 miles (7); a normal October there has highs of 65°F and 3.8 inches of precipitation. Highs reach 90°F on about 18 days a year, almost all from June to September. Lows fall below freezing on about 122 nights a year. Snowfall averages 26.2 inches a year, most of it in January. That 42.3 inches is more than at 41 of the 148 Pennsylvania stations used on this site (28%). Loysville, 10 miles south, has its own station (Bloserville 1 N, PA): 43.8 inches a year, 1.5 more than here, and a July average high of 84°F against 85°F.

Since 1996, the National Weather Service has logged 107 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Port Royal: 97 thunderstorm wind reports, 6 floods and 4 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $347,000 in property and crop damage. The strongest thunderstorm gust on record here was 110 mph, on June 16, 2022.

Flood insurance policyholders in Port Royal's ZIP code 17082 have filed 49 claims with the National Flood Insurance Program since 1978, and were paid $319,000 for buildings and contents, in the dollars of each year. The most came from Flooding in 1996: 27 claims (55% of all) and $132,000, then Tropical Storm Ivan in 2004 with 11. 86% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 553 Pennsylvania cities on this site with 10 or more claims, 273 have fewer than Port Royal.