642  
CDUS45 KRIW 220736  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT SAT APR 22 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 21 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 43 2:57 PM 77 1989 54 -11 71  
MINIMUM 23 3:20 AM 14 1970 31 -8 33  
AVERAGE 33 42 -9  
 
PRECIPITATION (IN)  
YESTERDAY T 0.79 1991 0.03 -0.03 0.00  
MONTH TO DATE 0.06 0.59 -0.53 0.08  
SINCE MAR 1 0.34 1.17 -0.83 0.28  
SINCE JAN 1 0.57 1.92 -1.35 0.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 23 9 13  
MONTH TO DATE 652 521 131 565  
SINCE MAR 1 1923 1482 441 1545  
SINCE JUL 1 7779 7272 507 6816  
 
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 35 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 18.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 8:00 AM  
LOWEST 48 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 76 2012  
MINIMUM TEMPERATURE (F) 31 16 2013  
 
SUNRISE AND SUNSET  
APRIL 22 2023.........SUNRISE 6:26 AM MDT SUNSET 8:04 PM MDT  
APRIL 23 2023.........SUNRISE 6:24 AM MDT SUNSET 8:05 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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