678  
CDUS45 KRIW 190041  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
641 PM MDT TUE APR 18 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 18 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 53 1:31 PM 73 1981 53 0 66  
MINIMUM 33 2:34 PM 12 1966 30 3 24  
2013  
AVERAGE 43 42 1 45  
 
PRECIPITATION (IN)  
TODAY T 0.72 1966 0.03 -0.03 0.00  
MONTH TO DATE 0.06 0.50 -0.44 0.08  
SINCE MAR 1 0.34 1.08 -0.74 0.28  
SINCE JAN 1 0.57 1.83 -1.26 0.29  
 
DEGREE DAYS  
HEATING  
TODAY 22 24 -2 20  
MONTH TO DATE 543 452 91 512  
SINCE MAR 1 1814 1413 401 1492  
SINCE JUL 1 7670 7203 467 6763  
 
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 45 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 63 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 44  
AVERAGE 68  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 75 1989  
MINIMUM TEMPERATURE (F) 30 7 1966  
 
SUNRISE AND SUNSET  
APRIL 18 2023.........SUNRISE 6:32 AM MDT SUNSET 8:00 PM MDT  
APRIL 19 2023.........SUNRISE 6:30 AM MDT SUNSET 8:01 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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