112  
CDUS45 KRIW 220031  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
631 PM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 2:17 PM 83 2012 65 12 53  
MINIMUM 46 6:44 AM 22 2022 40 6 22  
AVERAGE 62 53 9 38  
 
PRECIPITATION (IN)  
TODAY 0.00 0.40 1992 0.04 -0.04 0.00  
MONTH TO DATE 0.26 0.89 -0.63 0.39  
SINCE MAR 1 0.70 2.38 -1.68 0.98  
SINCE JAN 1 0.93 3.13 -2.20 0.99  
 
DEGREE DAYS  
HEATING  
TODAY 3 12 -9 27  
MONTH TO DATE 249 336 -87 365  
SINCE MAR 1 2380 2009 371 2105  
SINCE JUL 1 8236 7799 437 7376  
 
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 24 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52  
LOWEST 18  
AVERAGE 35  
   
......................................................
 
 
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 2023...........SUNRISE 5:52 AM MDT SUNSET 8:35 PM MDT  
MAY 22 2023...........SUNRISE 5:51 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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