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Summer Begins Wet and Cool across Western and Central Wyoming

June 26, 2003 -  An unusually strong early summer low pressure system with origins in the Bering Sea off the coast of Alaska, dumped over an inch of rain across a large swath of Wyoming.  The storm begin to spin up rain across the southwest on June 21st with snow falling in parts of the western mountains and Yellowstone National Park.  The  cold low pressure center moved across Wyoming on June 23rd and 24th spreading much needed rainfall across the state.   In the mountains, the precipitation fell as snow above 8000 feet with some locations reporting over one foot of wet snow.    

Storm Total Rainfalll, June 21-24, 2003 Storm Snowfall Totals, June 21-24
Location Rainfalll (Inches) Location Snowfall (inches)
Rock Springs 1.90 Beartooth Pass 18
Wind River Mountains
Shoshoni 1.74
Evanston 1.67 Fremont County Youth Camp 12
Riverton (airport) 1.67 Blue Ridge (Loop Rd) 6-8
Hudson 1.47 Big Horn Mountains
Riverton (town) 1.46 Medicine Lodge 8
Boulder 1.44    
Lander (town) 1.30    
Boysen Dam 1.22    
Jeffrey City 1.19    
Casper (airport) 1.15    
Worland 1.12    
Afton 1.11    
Lander (airport) 1.09    
Casper 1.07    
South Pass City 1.01
(1.5" Snowfall)
   
Big Piney 0.93    
Star Valley Ranch 0.90    
Bondurant 0.84    
Buffalo 0.78    
Greybull 0.33    

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