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Water Resources Data System
Dept 3943
1000 E. University Ave.
Laramie, WY 82071

wrds@uwyo.edu
Ph (307) 766-6651
Fax (307) 766-3785

At 10:27a, 7/18/18
Temperature 74.2°F
Wind 10.0 mph


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WYOMING

Wyoming – NRCS

Report #27                              Weekly Snow Report                        May 29, 2018

 

A good day to everyone! This is the 27th Snow Report for Water Year 2018 (2017-2018 snow season).  Currently the state’s SNOTELs are reading 91% of median with a basin high of 141% and a basin low of 1% (Belle Fourche, Cheyenne, & Lower North Platte are melted out, normal for the date).  Last year at this time the state was at 209%, and at 112% in 2016.  The map may differ slightly from the table depending upon how many stations were reporting at the time. This report and a map displaying basin SWE percentages of median for the state may be found at:  http://www.wrds.uwyo.edu/wrds/nrcs/nrcs.html.  The westwide map is provided for reference.

For information on the use of median vs. average go to http://www.wcc.nrcs.usda.gov/normals/median_average.htm

 

Figure 1 -- SNOW WATER EQUIVALENT AS PERCENT OF MEDIAN.  The following table shows the percent of median for today, the 2 previous weeks, one year ago, and two years ago for Wyoming basins.  Normal (median) is based on all reporting SNOTEL sites in the basin with calculated medians (newer SNOTEL sites do not have medians figured), but does not include manually measured snow courses.  The statewide SNOTEL percent of median is a percent of median using all SNOTEL sites in Wyoming with calculated medians.  The weighted state average is figured using the area of basins (square miles).  The reference period for computing medians is 1981-2010.

Basin

5/29/2018

5/21/2018

5/14/2018

5/29/2017

5/29/2016

Snake

114

111

109

189

72

Madison

122

131

127

149

49

Yellowstone

130

138

141

162

66

Wind

97

107

105

409

176

Bighorn

72

97

97

162

75

Shoshone

141

141

139

148

75

Powder

30

68

62

240

98

Tongue

37

56

76

309

67

Belle Fourche

melted out

melted out

melted out

 

 

Cheyenne

melted out

melted out

melted out

 

 

Upper North Platte

55

64

63

136

148

Sweetwater

11

39

51

824

350

Lower North Platte

melted out

5

2

 

 

Laramie

2

46

67

146

247

South Platte

2

55

79

165

169

Little Snake

30

32

40

141

205

Upper Green

140

106

94

400

153

Lower Green

29

63

61

188

143

Upper Bear

1

21

20

327

126

Statewide SNOTEL Percent of Median

91

90

90

209

112

Weighted State Average (Area)

51

65

66

199

108

 

red = down                   blue = up                    green = same       * data is suspect

 

 

 

For more info contact: 

 


Ken Von Buettner  

kenneth.vonbuettner@wy.usda.gov 

(307) 233-6743  

 

NRCS Snow Survey

100 East B St., Room 3124 

Casper, WY 82601