The Petersburg plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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7.00 inches of rain fell in two days, the most for this week of the year since records began in 1924. The next wettest, 5.87 inches, fell in 1943.
Petersburg’s center stands about 770 ft above sea level. Within three miles the land runs from 80 ft to 2,320 ft, a difference of 2,240 ft: mountain country. The highest named summit within 15 miles is Rodgers Peak, about 4,770 ft, 14 miles northeast.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 7×.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.
Petersburg has a warm-summer humid continental climate. Summer afternoons average 62° in July; winter nights fall to about 27° in January. A normal year brings about 86 inches of snow; with the rain, that comes to about 110 inches of water.
On November 14 Petersburg normally reaches 39° and falls to 32°. The record high is 58°, in 1976; the record low 9°, in 1955. The most rain on this date, 2.91 in, fell in 1944.
Normals 1991–2020 and records since 1924 at Petersburg 1, 4 miles northwest, 660 ft lower. NOAA, through RCC-ACIS.
