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Hydrograph River at a Glance Download
Maple River at Galva Stage (ft)Observed: 1253.28 ft at 6:00PM Jan 08, 2020Observed: 1253.31 ft at 7:00PM Jan 08, 2020Observed: 1253.34 ft at 8:00PM Jan 08, 2020Observed: 1253.3 ft at 9:00PM Jan 08, 2020Observed: 1253.29 ft at 10:00PM Jan 08, 2020Observed: 1253.29 ft at 11:00PM Jan 08, 2020Observed: 1253.29 ft at 12:00AM Jan 09, 2020Observed: 1253.29 ft at 1:00AM Jan 09, 2020Observed: 1253.33 ft at 2:00AM Jan 09, 2020Observed: 1253.33 ft at 3:00AM Jan 09, 2020Observed: 1253.34 ft at 4:00AM Jan 09, 2020Observed: 1253.37 ft at 5:00AM Jan 09, 2020Observed: 1253.42 ft at 6:00AM Jan 09, 2020Observed: 1253.43 ft at 7:00AM Jan 09, 2020Observed: 1253.53 ft at 8:00AM Jan 09, 2020Observed: 1253.57 ft at 9:00AM Jan 09, 2020Observed: 1253.44 ft at 10:00AM Jan 09, 2020Observed: 1253.28 ft at 11:00AM Jan 09, 2020Observed: 1253.26 ft at 12:00PM Jan 09, 2020Observed: 1253.18 ft at 1:00PM Jan 09, 2020Observed: 1253.2 ft at 2:00PM Jan 09, 2020Observed: 1253.25 ft at 3:00PM Jan 09, 2020Observed: 1253.28 ft at 4:00PM Jan 09, 2020Observed: 1253.29 ft at 5:00PM Jan 09, 2020Observed: 1253.31 ft at 6:00PM Jan 09, 2020Observed: 1253.32 ft at 7:00PM Jan 09, 2020Observed: 1253.32 ft at 8:00PM Jan 09, 2020Observed: 1253.31 ft at 9:00PM Jan 09, 2020Observed: 1253.31 ft at 10:00PM Jan 09, 2020Observed: 1253.3 ft at 11:00PM Jan 09, 2020Observed: 1253.3 ft at 12:00AM Jan 10, 2020Observed: 1253.32 ft at 1:00AM Jan 10, 2020Observed: 1253.31 ft at 2:00AM Jan 10, 2020Observed: 1253.32 ft at 3:00AM Jan 10, 2020Observed: 1253.31 ft at 4:00AM Jan 10, 2020Observed: 1253.31 ft at 5:00AM Jan 10, 2020Observed: 1253.3 ft at 6:00AM Jan 10, 2020Observed: 1253.26 ft at 7:00AM Jan 10, 2020Observed: 1253.24 ft at 8:00AM Jan 10, 2020Observed: 1253.23 ft at 9:00AM Jan 10, 2020Observed: 1253.22 ft at 10:00AM Jan 10, 2020Observed: 1253.18 ft at 11:00AM Jan 10, 2020Observed: 1253.16 ft at 12:00PM Jan 10, 2020Observed: 1253.12 ft at 1:00PM Jan 10, 2020Observed: 1253.12 ft at 2:00PM Jan 10, 2020Observed: 1253.13 ft at 3:00PM Jan 10, 2020Observed: 1253.21 ft at 5:00PM Jan 10, 2020Observed: 1253.23 ft at 6:00PM Jan 10, 2020Observed: 1253.21 ft at 7:00PM Jan 10, 2020Observed: 1253.18 ft at 8:00PM Jan 10, 2020Observed: 1253.18 ft at 9:00PM Jan 10, 2020Observed: 1253.15 ft at 10:00PM Jan 10, 2020Observed: 1253.11 ft at 11:00PM Jan 10, 2020Observed: 1253.07 ft at 12:00AM Jan 11, 2020Observed: 1253.09 ft at 1:00AM Jan 11, 2020Observed: 1253.08 ft at 2:00AM Jan 11, 2020Observed: 1253.08 ft at 3:00AM Jan 11, 2020Observed: 1253.09 ft at 4:00AM Jan 11, 2020Observed: 1253.08 ft at 5:00AM Jan 11, 2020Observed: 1253.06 ft at 6:00AM Jan 11, 2020Observed: 1253 ft at 7:00AM Jan 11, 2020Observed: 1252.98 ft at 8:00AM Jan 11, 2020Observed: 1252.84 ft at 9:00AM Jan 11, 2020Observed: 1252.7 ft at 10:00AM Jan 11, 2020Observed: 1252.64 ft at 11:00AM Jan 11, 2020Observed: 1252.65 ft at 12:00PM Jan 11, 2020Observed: 1252.67 ft at 1:00PM Jan 11, 2020Observed: 1252.73 ft at 2:00PM Jan 11, 2020Observed: 1252.8 ft at 3:00PM Jan 11, 2020Observed: 1252.89 ft at 4:00PM Jan 11, 2020Observed: 1253.09 ft at 5:00PM Jan 11, 2020Observed: 1253.27 ft at 6:00PM Jan 11, 2020Observed: 1253.3 ft at 7:00PM Jan 11, 2020Observed: 1253.33 ft at 8:00PM Jan 11, 2020Observed: 1253.31 ft at 9:00PM Jan 11, 2020Observed: 1253.33 ft at 10:00PM Jan 11, 2020Observed: 1253.34 ft at 11:00PM Jan 11, 2020Observed: 1253.33 ft at 12:00AM Jan 12, 2020Observed: 1253.3 ft at 1:00AM Jan 12, 2020Observed: 1253.33 ft at 2:00AM Jan 12, 2020Observed: 1253.39 ft at 3:00AM Jan 12, 2020Observed: 1253.53 ft at 4:00AM Jan 12, 2020Observed: 1253.63 ft at 5:00AM Jan 12, 2020Observed: 1253.78 ft at 6:00AM Jan 12, 2020Observed: 1254.09 ft at 7:00AM Jan 12, 2020Observed: 1254.28 ft at 8:00AM Jan 12, 2020Observed: 1254.41 ft at 9:00AM Jan 12, 2020Observed: 1254.5 ft at 10:00AM Jan 12, 2020Observed: 1254.51 ft at 11:00AM Jan 12, 2020Observed: 1254.52 ft at 12:00PM Jan 12, 2020Highest Observation: 1254.55 ft at 1:00PM Jan 12, 2020Observed: 1254.52 ft at 2:00PM Jan 12, 2020Observed: 1254.53 ft at 3:00PM Jan 12, 2020Highest Observation: 1254.55 ft at 4:00PM Jan 12, 2020Observed: 1254.53 ft at 5:00PM Jan 12, 2020Observed: 1254.53 ft at 6:00PM Jan 12, 2020Highest Observation: 1254.55 ft at 7:00PM Jan 12, 2020Highest Observation: 1254.55 ft at 8:00PM Jan 12, 2020Observed: 1254.54 ft at 9:00PM Jan 12, 2020Observed: 1254.51 ft at 10:00PM Jan 12, 2020Observed: 1254.54 ft at 11:00PM Jan 12, 2020Observed: 1254.47 ft at 12:00AM Jan 13, 2020Observed: 1254.51 ft at 1:00AM Jan 13, 2020Observed: 1254.46 ft at 2:00AM Jan 13, 2020Observed: 1254.44 ft at 3:00AM Jan 13, 2020Observed: 1254.42 ft at 4:00AM Jan 13, 2020Observed: 1254.43 ft at 5:00AM Jan 13, 2020Observed: 1254.43 ft at 6:00AM Jan 13, 2020Observed: 1254.44 ft at 7:00AM Jan 13, 2020Observed: 1254.46 ft at 8:00AM Jan 13, 2020Observed: 1254.48 ft at 9:00AM Jan 13, 2020Observed: 1254.45 ft at 10:00AM Jan 13, 2020Observed: 1254.47 ft at 11:00AM Jan 13, 2020Observed: 1254.49 ft at 12:00PM Jan 13, 2020Observed: 1254.5 ft at 1:00PM Jan 13, 2020Observed: 1254.5 ft at 2:00PM Jan 13, 2020Observed: 1254.47 ft at 3:00PM Jan 13, 2020Observed: 1254.45 ft at 4:00PM Jan 13, 2020Observed: 1254.42 ft at 5:00PM Jan 13, 2020Observed: 1254.39 ft at 6:00PM Jan 13, 2020Observed: 1254.35 ft at 7:00PM Jan 13, 2020Observed: 1254.33 ft at 8:00PM Jan 13, 2020Observed: 1254.33 ft at 9:00PM Jan 13, 2020Observed: 1254.3 ft at 10:00PM Jan 13, 2020Observed: 1254.28 ft at 11:00PM Jan 13, 2020Observed: 1254.26 ft at 12:00AM Jan 14, 2020Observed: 1254.24 ft at 1:00AM Jan 14, 2020Observed: 1254.22 ft at 2:00AM Jan 14, 2020Observed: 1254.21 ft at 3:00AM Jan 14, 2020Observed: 1254.17 ft at 4:00AM Jan 14, 2020Observed: 1254.16 ft at 5:00AM Jan 14, 2020Observed: 1254.18 ft at 6:00AM Jan 14, 2020Observed: 1254.14 ft at 7:00AM Jan 14, 2020Observed: 1254.1 ft at 8:00AM Jan 14, 2020Observed: 1254.04 ft at 9:00AM Jan 14, 2020Observed: 1253.98 ft at 10:00AM Jan 14, 2020Observed: 1253.96 ft at 11:00AM Jan 14, 2020Observed: 1253.86 ft at 12:00PM Jan 14, 2020Observed: 1253.74 ft at 1:00PM Jan 14, 2020Observed: 1253.63 ft at 2:00PM Jan 14, 2020Observed: 1253.55 ft at 3:00PM Jan 14, 2020Observed: 1253.47 ft at 4:00PM Jan 14, 2020Observed: 1253.55 ft at 5:00PM Jan 14, 2020Observed: 1253.53 ft at 6:00PM Jan 14, 2020Observed: 1253.47 ft at 7:00PM Jan 14, 2020Observed: 1253.42 ft at 8:00PM Jan 14, 2020Observed: 1253.4 ft at 9:00PM Jan 14, 2020Observed: 1253.38 ft at 10:00PM Jan 14, 2020Observed: 1253.38 ft at 11:00PM Jan 14, 2020Observed: 1253.45 ft at 12:00AM Jan 15, 2020Observed: 1253.45 ft at 1:00AM Jan 15, 2020Observed: 1253.46 ft at 2:00AM Jan 15, 2020Observed: 1253.46 ft at 3:00AM Jan 15, 2020Observed: 1253.48 ft at 4:00AM Jan 15, 2020Observed: 1253.51 ft at 5:00AM Jan 15, 2020Observed: 1253.51 ft at 6:00AM Jan 15, 2020Observed: 1253.5 ft at 7:00AM Jan 15, 2020Observed: 1253.51 ft at 8:00AM Jan 15, 2020Observed: 1253.53 ft at 9:00AM Jan 15, 2020Observed: 1253.48 ft at 10:00AM Jan 15, 2020Observed: 1253.43 ft at 11:00AM Jan 15, 2020Observed: 1253.4 ft at 12:00PM Jan 15, 2020Observed: 1253.38 ft at 1:00PM Jan 15, 2020Observed: 1253.37 ft at 2:00PM Jan 15, 2020Observed: 1253.23 ft at 3:00PM Jan 15, 2020Observed: 1253.18 ft at 4:00PM Jan 15, 2020Observed: 1253.22 ft at 5:00PM Jan 15, 2020Observed: 1253.26 ft at 6:00PM Jan 15, 2020Observed: 1253.31 ft at 7:00PM Jan 15, 2020Observed: 1253.55 ft at 8:00PM Jan 15, 2020Observed: 1253.76 ft at 9:00PM Jan 15, 2020Observed: 1253.6 ft at 10:00PM Jan 15, 2020Observed: 1253.52 ft at 11:00PM Jan 15, 2020Observed: 1253.51 ft at 12:00AM Jan 16, 2020Observed: 1253.51 ft at 1:00AM Jan 16, 2020Observed: 1253.5 ft at 2:00AM Jan 16, 2020Observed: 1253.5 ft at 3:00AM Jan 16, 2020Observed: 1253.52 ft at 4:00AM Jan 16, 2020Observed: 1253.55 ft at 5:00AM Jan 16, 2020Observed: 1253.59 ft at 6:00AM Jan 16, 2020Observed: 1253.67 ft at 7:00AM Jan 16, 2020Observed: 1253.77 ft at 8:00AM Jan 16, 2020Observed: 1253.69 ft at 9:00AM Jan 16, 2020Observed: 1253.57 ft at 10:00AM Jan 16, 2020Observed: 1253.5 ft at 11:00AM Jan 16, 2020Observed: 1253.37 ft at 12:00PM Jan 16, 2020Observed: 1253.33 ft at 1:00PM Jan 16, 2020Observed: 1253.57 ft at 2:00PM Jan 16, 2020Observed: 1253.92 ft at 3:00PM Jan 16, 2020Observed: 1254.2 ft at 4:00PM Jan 16, 2020Observed: 1254.29 ft at 5:00PM Jan 16, 2020Observed: 1254.28 ft at 6:00PM Jan 16, 2020Observed: 1254.19 ft at 8:00PM Jan 16, 2020Observed: 1254.13 ft at 9:00PM Jan 16, 2020Observed: 1254.07 ft at 10:00PM Jan 16, 2020Observed: 1254.02 ft at 11:00PM Jan 16, 2020Observed: 1253.99 ft at 12:00AM Jan 17, 2020Observed: 1253.97 ft at 1:00AM Jan 17, 2020Observed: 1253.94 ft at 2:00AM Jan 17, 2020Observed: 1253.93 ft at 3:00AM Jan 17, 2020Observed: 1253.93 ft at 4:00AM Jan 17, 2020Observed: 1253.97 ft at 5:00AM Jan 17, 2020Observed: 1253.97 ft at 6:00AM Jan 17, 2020Observed: 1253.98 ft at 7:00AM Jan 17, 2020Observed: 1253.99 ft at 8:00AM Jan 17, 2020Observed: 1253.98 ft at 9:00AM Jan 17, 2020Observed: 1254 ft at 10:00AM Jan 17, 2020Observed: 1254.01 ft at 11:00AM Jan 17, 2020Observed: 1254 ft at 12:00PM Jan 17, 2020Observed: 1253.99 ft at 1:00PM Jan 17, 2020Observed: 1253.93 ft at 2:00PM Jan 17, 2020Observed: 1253.85 ft at 3:00PM Jan 17, 2020Observed: 1253.81 ft at 4:00PM Jan 17, 2020Observed: 1253.81 ft at 5:00PM Jan 17, 2020Observed: 1253.81 ft at 6:00PM Jan 17, 2020Observed: 1253.84 ft at 7:00PM Jan 17, 2020Observed: 1253.86 ft at 8:00PM Jan 17, 2020Observed: 1253.87 ft at 9:00PM Jan 17, 2020Observed: 1253.89 ft at 10:00PM Jan 17, 2020Observed: 1253.89 ft at 11:00PM Jan 17, 2020Observed: 1253.9 ft at 12:00AM Jan 18, 2020Observed: 1253.92 ft at 1:00AM Jan 18, 2020Observed: 1253.94 ft at 2:00AM Jan 18, 2020Observed: 1253.88 ft at 3:00AM Jan 18, 2020Observed: 1253.9 ft at 4:00AM Jan 18, 2020Iowa Flood CenterMRGI4(plotting HGIRP) Graph Created (5:03AM Jan 18, 2020)ObservedLatest observed value: 1253.9 ft at 4:00 AM CST 18-Jan-2020. Flood Stage is 1267 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Gauge reading may be affected by ice.

NOTE: Graphical forecasts are not available for the Maple River at Galva. During times of high water, forecast crest information can be found in the text products.

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Downstream Gauge Downstream Gauge - at Ida Grove
Flood Categories (in feet)
Major Flood Stage: 1271
Moderate Flood Stage: 1269
Flood Stage: 1267
Action Stage: 1265
Low Stage (in feet): -9999

Historic Crests
(1) 1,255.10 ft on 04/23/2018

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,255.10 ft on 04/23/2018

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
1269 Water begins to flood fields south of Galva.
1267 Flooding begins to impact the fields north of Galva.
About This Location Collapse

Latitude: 42.503889° N, Longitude: 95.431944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1267 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 4-Mar-2019 11:29 PM
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