Montgomery Point Lock & Dam
White River (MPDA4)
Mississippi River at Helena Mississippi River at Arkansas City
Lock No. 1
Time Elevation Tailwater
Date CS/CDT (ft-NGVD29) (ft-NGVD29)
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29NOV2023 1600 116.64 111.91
29NOV2023 1700 116.63 111.93
29NOV2023 1800 116.62 111.91
29NOV2023 1900 116.71 111.95
29NOV2023 2000 116.61 111.88
29NOV2023 2100 116.61 111.88
29NOV2023 2200 116.75 111.91
29NOV2023 2300 116.84 111.89
29NOV2023 2400 116.87 111.89
30NOV2023 0100 116.91 111.93
30NOV2023 0200 116.91 111.91
30NOV2023 0300 116.92 111.90
30NOV2023 0400 116.93 111.91
30NOV2023 0500 116.94 111.95
30NOV2023 0600 116.94 111.95
30NOV2023 0700 116.94 111.94
30NOV2023 0800 116.94 111.95
30NOV2023 0900 116.93 111.97
30NOV2023 1000 116.94 111.99
30NOV2023 1100 116.93 111.99
30NOV2023 1200 116.92 112.01
30NOV2023 1300 116.91 112.04
30NOV2023 1400 116.90 112.08
30NOV2023 1500 116.89 112.06
30NOV2023 1600 116.89 112.04
30NOV2023 1700 116.87 112.04
30NOV2023 1800 116.86 112.12
30NOV2023 1900 116.89 112.09
30NOV2023 2000 116.89 112.08
30NOV2023 2100 116.88 112.10
30NOV2023 2200 116.88 112.10
30NOV2023 2300 116.86 112.12
30NOV2023 2400 116.85 112.09
01DEC2023 0100 116.84 112.13
01DEC2023 0200 116.85 112.16
01DEC2023 0300 116.85 112.17
7-Day Plot Data
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