USFWS · North Dakota

Lake Zahl National Wildlife Refuge

Lake Zahl National Wildlife Refuge is a 3,823-acre (1,547 ha) National Wildlife Refuge in Williams County in the U.S. state of North Dakota. The refuge consists of Lake Zahl which provides habitat for many species of waterfowl and other species. It is managed by the Crosby Wetland Management District.

From Wikipedia, licensed CC BY-SA 4.0.

Official page at U.S. Fish and Wildlife Service ↗
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StateNorth Dakota
Size3,843 acres (computed from the boundary polygon)
FWS regionRegion 6
Center point48.5699, -103.6600
Night skyAbout as dark as the ground gets (Black Marble reading 19)

Boundary map

3 outlines

Boundary, simplified to about 0.005 degrees

The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.

Weather by month

NOAA climate normals →
Weather by month near Lake Zahl National Wildlife Refuge10°20°30°40°50°60°70°January: 0.59 inches of precipitation, 7.8 inches of snowFebruary: 0.39 inches of precipitation, 5.3 inches of snowMarch: 0.66 inches of precipitation, 4.0 inches of snowApril: 1.02 inches of precipitation, 2.5 inches of snowMay: 2.23 inches of precipitation, 1.0 inches of snowJune: 3.38 inches of precipitation, 0.0 inches of snowJuly: 3.08 inches of precipitation, 0.0 inches of snowAugust: 1.55 inches of precipitation, 0.0 inches of snowSeptember: 1.41 inches of precipitation, 0.0 inches of snowOctober: 1.16 inches of precipitation, 3.7 inches of snowNovember: 0.56 inches of precipitation, 5.4 inches of snowDecember: 0.62 inches of precipitation, 7.6 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 8.2°F averageFebruary: 12.2°F averageMarch: 24.7°F averageApril: 39.6°F averageMay: 52.1°F averageJune: 61.4°F averageJuly: 66.7°F averageAugust: 66.2°F averageSeptember: 55.9°F averageOctober: 40.9°F averageNovember: 25.2°F averageDecember: 13.1°F average0 in2 in4 in6 in8 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Wildrose 3Nw, 21 miles from the center point at 2,227 feet, station USC00329400 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 17 inches a year. The dotted line is average snowfall, about 37 inches a year on the same inches scale.

Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.

Reference

Questions people ask

How big is Lake Zahl National Wildlife Refuge?

3,843 acres, measured from the published boundary polygon. The agency’s own figure can differ where the boundary includes water or inholdings.

Source: How acreage is computed

Who manages Lake Zahl National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Lake Zahl National Wildlife Refuge in?

North Dakota.

Source: How states are assigned

How do I get to Lake Zahl National Wildlife Refuge?

A point inside the boundary is at 48.570, -103.660. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

How dark is the night sky at Lake Zahl National Wildlife Refuge?

NASA’s Black Marble night-lights image reads 19 on a 0 to 255 scale at the center point, about as dark as the ground gets.

Source: NASA Black Marble

Sources

  • Boundary, name: the U.S. Fish and Wildlife Service refuge boundary layer.
  • States: computed by intersecting the boundary with Census state polygons; a state is listed when it holds at least one percent of the area.
  • Acreage: geodesic area of the published polygon. The agency’s official acreage can differ where the boundary includes water, easements or inholdings.
  • Description: Lake Zahl National Wildlife Refuge on Wikipedia, CC BY-SA 4.0. The article was accepted because its title contains this unit’s name.
  • Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
  • Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
  • Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.