049  
CDUS45 KRIW 290731  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT MON MAY 29 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 28 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 1:56 PM 89 2003 68 1 64  
MINIMUM 38 4:21 AM 29 1954 42 -4 40  
AVERAGE 54 55 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.60 2011 0.04 0.03 0.02  
MONTH TO DATE 0.54 1.16 -0.62 0.41  
SINCE MAR 1 0.98 2.65 -1.67 1.00  
SINCE JAN 1 1.21 3.40 -2.19 1.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 10 1 13  
MONTH TO DATE 302 413 -111 464  
SINCE MAR 1 2433 2086 347 2204  
SINCE JUL 1 8289 7876 413 7475  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 PM  
LOWEST 28 1:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 2003  
MINIMUM TEMPERATURE (F) 42 31 1977  
2006  
2007  
 
SUNRISE AND SUNSET  
MAY 29 2023...........SUNRISE 5:46 AM MDT SUNSET 8:42 PM MDT  
MAY 30 2023...........SUNRISE 5:46 AM MDT SUNSET 8:42 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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