Frankstown Branch Juniata River at Williamsburg, Blair County PA (WIBP1)
Gage Location: Blair County, PennsylvaniaSite Location: Blair County, Pennsylvania
Latitude: 40.463Longitude: -78.2Elevation: 831.78 ft. MSLDrainage Area: 291 Sq. Mi.
Minor Stage: 12 ft. Moderate Stage: 13 ft.Major Stage: 15 ft.
First Flood: 1889-06-01Last Flood: 2011-09-10 Crest: 12.16 ft.Datum change: 1928-08-14Number of Floods: 44

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Year
Before Datum Change
Number of Floods
18891
18900
18910
18920
18930
18940
18950
18960
18970
18980
18990
19000
19010
19020
19030
19040
19050
19060
19070
19080
19090
19100
19110
19120
19130
19140
19150
19160
19170
19180
19190
19200
19210
19220
19230
19241
19251
19260
19270
Year
After Datum Change
Number of Floods
19280
19291
19300
19310
19320
19330
19340
19350
19361
19372
19380
19390
19401
19410
19420
19430
19440
19450
19460
19470
19480
19490
19500
19510
19521
19530
19542
19550
19561
19570
19580
19590
19601
19611
19620
19631
19641
19650
19661
19671
19680
19690
19702
19710
19721
19730
19740
19750
19760
19771
19780
19791
19800
19810
19820
19830
19841
19850
19861
19871
19880
19890
19900
19910
19920
19932
19941
19950
19964
19971
19980
19990
20000
20010
20020
20032
20042
20050
20060
20070
20080
20090
20103
20113
20120
20130