Report #28      Wyoming – NRCS Monday Morning Snow Report     May 18th, 2015

Good morning everyone this is our 28th Monday Snow Report for the 2014-2015 snow season.   Last year at this time the weighted state basin index was 175% with a low of 114% and a high of 299% of median.  This year the weighted state basin index is at 65% with a low of 15% and a high of 103% of median.  See the table & map below for more information. 

For those of you with INTERNET capability, this report and map showing SWE percentages for the state can be found at http://www.wrds.uwyo.edu/wrds/nrcs/nrcs.html” and  http://www.wcc.nrcs.usda.gov/normals/median_average.htm for median info.

Table 1 - SNOW WATER EQUIVALENT AS A PERCENT OF MEDIAN.  The following table shows the current and last year's ending weeks (SWE) amounts for Wyoming basins.  Median is based on all reporting SNOTEL sites in the basin, not the snow courses.  The reference period for medians is 1981-2010.

DRAINAGE BASIN

5/18/2015

5/11/2015

5/4/2015

5/18/2014

5/11/2014

SNAKE RIVER

52

50

55

160

150

MADISON

26

28

36

147

136

YELLOWSTONE

67

61

69

160

159

WIND RIVER

70

64

55

145

124

BIGHORN BASIN

57

61

62

170

149

SHOSHONE RIVER

69

66

66

149

152

POWDER

57

54

55

193

156

TONGUE

64

69

73

189

148

BELLE FOURCHE

*

*

*

*

*

CHEYENNE

*

*

*

*

*

UPPER N. PLATTE

75

63

61

149

118

SWEETWATER

62

51

38

114

98

LOWER N. PLATTE

85

63

35

299

137

LARAMIE

81

77

71

169

137

S. PLATTE

103

95

96

161

149

LITTLE SNAKE RIVER

58

53

51

130

112

UPPER GREEN

67

62

61

195

172

LOWER GREEN

51

46

44

142

134

UPPER BEAR

15

10

13

127

112

Weighted State Basin Index

65

59

55

175

140

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

 

For more information, contact: Lee Hackleman (307) 233-6744  NRCS Snow Surveys 100 East B St., Room 3124 Casper, WY