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Sherman Creek at Shermans Dale

Highest listed crest 20.34 ftFlood stage 9.0 ft72 crests since 1927

The Sherman Creek at Shermans Dale crested at major flood stage 4 times among the 72 crests the National Weather Service lists from 1927 to 2024. The highest, 20.34 ft on July 22, 1927, was major flooding, 11.34 feet above flood stage.

The gauge

Highest listed crest
20.34 ft
July 22, 1927; 44,000 cubic feet per second
Flood stage
9.0 ft
Major flooding from 16.0 ft
Crests at major
4
56th of 170 gauges in Pennsylvania
Most recent flood crest
April 3, 2024
9.01 ft, minor flooding
Location
Perry County
Near Carlisle (8.7 mi), Mechanicsburg (11.6 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Sherman Creek at Shermans Dale
Action stage5.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)9.044Apr 3, 2024Minimal or no property damage, but possibly some public threat
Moderate flood stage11.024May 1, 2020Some inundation of structures and roads near the stream
Major flood stage16.04Sep 18, 2004Extensive inundation of structures and roads

Every listed crest

72 crests from 1927 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Sherman Creek at Shermans Dale, 1927 to 2024 510152025ft Flood stage 9.0 ftMajor 16.0 ft Jul 22, 1927: 20.34 ft, major flooding; 44,000 cubic feet per secondAug 24, 1933: 14.05 ft, moderate floodingSep 17, 1934: 9.06 ft, minor floodingDec 1, 1934: 12.28 ft, moderate floodingMar 12, 1936: 10.28 ft, minor floodingApr 27, 1937: 9.87 ft, minor floodingNov 13, 1937: 9.43 ft, minor floodingMay 22, 1942: 11.14 ft, moderate floodingDec 30, 1942: 9.02 ft, minor floodingMay 27, 1946: 10.22 ft, minor floodingNov 25, 1950: 11.48 ft, moderate floodingDec 4, 1950: 9.48 ft, minor floodingMar 11, 1952: 13.59 ft, moderate floodingNov 22, 1952: 11.51 ft, moderate floodingMar 24, 1953: 9.46 ft, minor floodingMay 26, 1953: 9.71 ft, minor floodingAug 13, 1955: 9.07 ft, minor floodingOct 14, 1955: 10.90 ft, minor floodingNov 2, 1956: 12.75 ft, moderate floodingFeb 13, 1966: 10.15 ft, minor floodingMay 29, 1968: 10.13 ft, minor floodingApr 3, 1970: 10.14 ft, minor floodingJul 10, 1970: 9.88 ft, minor floodingMar 3, 1972: 9.26 ft, minor floodingJun 23, 1972: 18.09 ft, major flooding; 27,500 cubic feet per secondSep 26, 1975: 11.23 ft, moderate floodingOct 18, 1975: 10.66 ft, minor floodingOct 9, 1976: 14.15 ft, moderate flooding; 15,500 cubic feet per secondJan 10, 1978: 9.45 ft, minor floodingMay 15, 1978: 10.14 ft, minor floodingAug 4, 1978: 9.78 ft, minor floodingJan 24, 1979: 12.02 ft, moderate floodingFeb 25, 1979: 11.00 ft, moderate floodingMar 21, 1980: 9.93 ft, minor floodingApr 9, 1980: 9.44 ft, minor floodingFeb 23, 1981: 10.96 ft, minor floodingDec 13, 1983: 9.82 ft, minor floodingFeb 14, 1984: 16.10 ft, major flooding; 20,300 cubic feet per secondMar 15, 1986: 9.45 ft, minor floodingJun 21, 1989: 12.26 ft, moderate floodingJul 16, 1989: 12.54 ft, moderate floodingOct 23, 1990: 9.25 ft, minor floodingApr 1, 1993: 10.08 ft, minor floodingNov 28, 1993: 11.42 ft, moderate floodingJan 20, 1995: 9.81 ft, minor floodingJan 19, 1996: 11.60 ft, moderate flooding; 10,725 cubic feet per secondJan 27, 1996: 10.95 ft, minor flooding; 9,570 cubic feet per secondSep 7, 1996: 14.56 ft, moderate flooding; 16,700 cubic feet per secondNov 8, 1997: 10.10 ft, minor floodingJan 8, 1998: 9.70 ft, minor floodingSep 18, 2004: 16.31 ft, major flooding; 21,700 cubic feet per secondMar 29, 2005: 9.70 ft, minor floodingApr 2, 2005: 9.36 ft, minor floodingNov 30, 2005: 9.37 ft, minor floodingJun 29, 2006: 11.71 ft, moderate floodingMar 5, 2008: 11.57 ft, moderate flooding; 10,300 cubic feet per secondMay 29, 2009: 13.62 ft, moderate flooding; 16,900 cubic feet per secondDec 1, 2010: 10.22 ft, minor flooding; 9,932 cubic feet per secondMar 11, 2011: 11.80 ft, moderate flooding; 13,000 cubic feet per secondApr 17, 2011: 11.67 ft, moderate flooding; 12,740 cubic feet per secondSep 7, 2011: 11.04 ft, moderate flooding; 11,480 cubic feet per secondNov 23, 2011: 9.54 ft, minor flooding; 8,522 cubic feet per secondOct 30, 2012: 9.63 ft, minor flooding; 8,687 cubic feet per secondMay 16, 2014: 13.41 ft, moderate flooding; 16,420 cubic feet per secondApr 16, 2018: 9.37 ft, minor flooding; 8,206 cubic feet per secondMay 1, 2020: 11.76 ft, moderate flooding; 9,932 cubic feet per secondDec 25, 2020: 10.13 ft, minor flooding; 7,696 cubic feet per secondSep 2, 2021: 10.28 ft, minor flooding; 7,908 cubic feet per secondSep 23, 2021: 10.57 ft, minor flooding; 8,323 cubic feet per secondMay 7, 2022: 9.22 ft, minor flooding; 6,474 cubic feet per secondJan 10, 2024: 9.95 ft, minor flooding; 7,505 cubic feet per secondApr 3, 2024: 9.01 ft, minor flooding; 6,309 cubic feet per second Highest, 20.34 ft, Jul 22, 1927 19401960198020002020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Sherman Creek at Shermans Dale 1920s: 1 1930s: 6 1940s: 3 1950s: 9 1960s: 2 1970s: 12 12 1980s: 8 1990s: 9 2000s: 7 2010s: 8 2020s: 7 1920s1930s1940s1950s1960s1970s1980s1990s2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

The 50 highest of 72 listed crests.

Highest listed crests, Sherman Creek at Shermans Dale
1Jul 22, 192720.34+11.34Major44,000
2Jun 23, 197218.09+9.09Major27,500
3Sep 18, 200416.31+7.31Major21,700
4Feb 14, 198416.10+7.10Major20,300
5Sep 7, 199614.56+5.56Moderate16,700
6Oct 9, 197614.15+5.15Moderate15,500
7Aug 24, 193314.05+5.05Moderate—
8May 29, 200913.62+4.62Moderate16,900
9Mar 11, 195213.59+4.59Moderate—
10May 16, 201413.41+4.41Moderate16,420
11Nov 2, 195612.75+3.75Moderate—
12Jul 16, 198912.54+3.54Moderate—
13Dec 1, 193412.28+3.28Moderate—
14Jun 21, 198912.26+3.26Moderate—
15Jan 24, 197912.02+3.02Moderate—
16Mar 11, 201111.80+2.80Moderate13,000
17May 1, 202011.76+2.76Moderate9,932
18Jun 29, 200611.71+2.71Moderate—
19Apr 17, 201111.67+2.67Moderate12,740
20Jan 19, 199611.60+2.60Moderate10,725
21Mar 5, 200811.57+2.57Moderate10,300
22Nov 22, 195211.51+2.51Moderate—
23Nov 25, 195011.48+2.48Moderate—
24Nov 28, 199311.42+2.42Moderate—
25Sep 26, 197511.23+2.23Moderate—
26May 22, 194211.14+2.14Moderate—
27Sep 7, 201111.04+2.04Moderate11,480
28Feb 25, 197911.00+2.00Moderate—
29Feb 23, 198110.96+1.96Minor—
30Jan 27, 199610.95+1.95Minor9,570
31Oct 14, 195510.90+1.90Minor—
32Oct 18, 197510.66+1.66Minor—
33Sep 23, 202110.57+1.57Minor8,323
34Mar 12, 193610.28+1.28Minor—
35Sep 2, 202110.28+1.28Minor7,908
36May 27, 194610.22+1.22Minor—
37Dec 1, 201010.22+1.22Minor9,932
38Feb 13, 196610.15+1.15Minor—
39Apr 3, 197010.14+1.14Minor—
40May 15, 197810.14+1.14Minor—
41May 29, 196810.13+1.13Minor—
42Dec 25, 202010.13+1.13Minor7,696
43Nov 8, 199710.10+1.10Minor—
44Apr 1, 199310.08+1.08Minor—
45Jan 10, 20249.95+0.95Minor7,505
46Mar 21, 19809.93+0.93Minor—
47Jul 10, 19709.88+0.88Minor—
48Apr 27, 19379.87+0.87Minor—
49Dec 13, 19839.82+0.82Minor—
50Jan 20, 19959.81+0.81Minor—

Other gauges in Perry County

Flood gauges in Perry County
Newport22.033.97 ft, Jun 23, 19721

Perry County: every hazard · River floods across the country · Pennsylvania

NOAA National Water Prediction Service, gauge SMDP1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.