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Floyd Riverat Alton, IA (Gauge ALTI4)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge ALTI4
Normal Stage: 5.6 ft
Flow: 0.029 kcfs*
(impacts and historical events)
Action Stages:
10': Action
12': Flood
16': Moderate Flood
18': Major Flood
Gauge ALTI4 History chart | graph
Stage Date CST Stage ft Flow kcfs
CURRENT 02/16/2012 11:00 am 5.60 0.029
  02/16/2012 10:45 am 5.60 0.029
  02/16/2012 10:30 am 5.60 0.029
  02/16/2012 10:15 am 5.60 0.029
  02/16/2012 10:00 am 5.60 0.029
  02/16/2012 09:45 am 5.60 0.029
  02/16/2012 09:30 am 5.60 0.029
  02/16/2012 09:15 am 5.61 0.030
  02/16/2012 09:00 am 5.60 0.029
  02/16/2012 08:45 am 5.60 0.029
  02/16/2012 08:30 am 5.60 0.029
  02/16/2012 08:15 am 5.60 0.029
  02/16/2012 08:00 am 5.61 0.030
  02/16/2012 07:45 am 5.60 0.029
  02/16/2012 07:30 am 5.60 0.029
  02/16/2012 07:15 am 5.61 0.030
  02/16/2012 07:00 am 5.60 0.029
  02/16/2012 06:45 am 5.61 0.030
  02/16/2012 06:30 am 5.60 0.029
  02/16/2012 06:15 am 5.60 0.029
  02/16/2012 06:00 am 5.61 0.030
  02/16/2012 05:45 am 5.60 0.029
  02/16/2012 05:30 am 5.60 0.029
  02/16/2012 05:15 am 5.60 0.029
  02/16/2012 05:00 am 5.61 0.030
  02/16/2012 04:45 am 5.61 0.030
  02/16/2012 04:30 am 5.61 0.030
  02/16/2012 04:15 am 5.61 0.030
  02/16/2012 04:00 am 5.61 0.030
  02/16/2012 03:45 am 5.61 0.030
  02/16/2012 03:30 am 5.61 0.030
Flood Impacts and Historical Events
Stage Impacts
18.0The entire flood plain is under water and the river is about 1/2 mile wide. The flooding still primarily only affets agricultural land.
16.0Significant amounts of crop and pasture land are flooded.
12.0Flooding begins to affect the lower lying agricultural lands along the river.
Historical Crests Record Lows
1) 18.54 ft on 06/20/1983
2) 18.40 ft on 03/23/1979
3) 18.35 ft on 03/28/1962
4) 17.78 ft on 03/04/1969
5) 17.46 ft on 03/28/1993
Low water records are unavailable.

Data provided by NOAA Advanced Hydrologic Prediction Service

Created with HAMweather 4 Alpha 3
© 2012 HAMweather, LLC, all rights reserved.
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