Swatara Creek near Hershey, Dauphin County PA (HERP1)
Gage Location: Dauphin County, PennsylvaniaSite Location: Dauphin County, Pennsylvania
Latitude: 40.298Longitude: -76.668Elevation: 325.94 ft. MSLDrainage Area: 483 Sq. Mi.
Minor Stage: 7 ft. Moderate Stage: 10 ft.Major Stage: 14 ft.
First Flood: 1975-09-27Last Flood: 2014-05-01 Crest: 7.08 ft.Datum change: 1975-10-01Number of Floods: 47

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Height Above Flood Stage for Entire Period of Record
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
7 ft to 8 ft2451.17 ft or above 47100.0
8 ft to 9 ft919.18 ft or above 2348.9
9 ft to 10 ft510.69 ft or above 1429.8
10 ft to 11 ft24.310 ft or above 919.1
11 ft to 12 ft12.111 ft or above 714.9
12 ft to 13 ft00.012 ft or above 612.8
13 ft to 14 ft00.013 ft or above 612.8
14 ft to 15 ft36.414 ft or above 612.8
15 ft to 16 ft12.115 ft or above 36.4
16 ft to 17 ft12.116 ft or above 24.3
17 ft to 18 ft00.017 ft or above 12.1
18 ft to 19 ft00.018 ft or above 12.1
19 ft to 20 ft00.019 ft or above 12.1
20 ft to 21 ft00.020 ft or above 12.1
21 ft to 22 ft00.021 ft or above 12.1
22 ft to 23 ft00.022 ft or above 12.1
23 ft to 24 ft00.023 ft or above 12.1
24 ft to 25 ft00.024 ft or above 12.1
25 ft to 26 ft00.025 ft or above 12.1
26 ft to 27 ft00.026 ft or above 12.1
27 ft to 28 ft12.127 ft or above 12.1
Height Above Flood Stage After Datum Change
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
7 ft to 8 ft2452.27 ft or above 46100.0
8 ft to 9 ft919.68 ft or above 2247.8
9 ft to 10 ft510.99 ft or above 1328.3
10 ft to 11 ft24.310 ft or above 817.4
11 ft to 12 ft12.211 ft or above 613.0
12 ft to 13 ft00.012 ft or above 510.9
13 ft to 14 ft00.013 ft or above 510.9
14 ft to 15 ft36.514 ft or above 510.9
15 ft to 16 ft00.015 ft or above 24.3
16 ft to 17 ft12.216 ft or above 24.3
17 ft to 18 ft00.017 ft or above 12.2
18 ft to 19 ft00.018 ft or above 12.2
19 ft to 20 ft00.019 ft or above 12.2
20 ft to 21 ft00.020 ft or above 12.2
21 ft to 22 ft00.021 ft or above 12.2
22 ft to 23 ft00.022 ft or above 12.2
23 ft to 24 ft00.023 ft or above 12.2
24 ft to 25 ft00.024 ft or above 12.2
25 ft to 26 ft00.025 ft or above 12.2
26 ft to 27 ft00.026 ft or above 12.2
27 ft to 28 ft12.227 ft or above 12.2