172  
CDUS45 KRIW 220028  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 21 2024
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 49 11:41 AM 83 2012 65 -16 77  
MINIMUM 30 4:51 AM 22 2022 40 -10 46  
AVERAGE 40 53 -13 62  
 
PRECIPITATION (IN)  
TODAY 0.02 0.40 1992 0.04 -0.02 0.00  
MONTH TO DATE 0.69 0.89 -0.20 0.26  
SINCE MAR 1 2.29 2.38 -0.09 0.70  
SINCE JAN 1 2.76 3.13 -0.37 0.93  
 
DEGREE DAYS  
HEATING  
TODAY 25 12 13 3  
MONTH TO DATE 370 336 34 249  
SINCE MAR 1 1998 2009 -11 2380  
SINCE JUL 1 7306 7799 -493 8235  
 
COOLING  
TODAY 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 36 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 41  
AVERAGE 67  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 81 1967  
MINIMUM TEMPERATURE (F) 41 26 1974  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:51 AM MDT SUNSET 8:35 PM MDT  
MAY 22 2024...........SUNRISE 5:50 AM MDT SUNSET 8:36 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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