212  
CDUS45 KRIW 290727  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SAT APR 29 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 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 58 5:13 PM 76 2007 56 2 66  
MINIMUM 22 5:36 AM 17 1955 32 -10 41  
AVERAGE 40 44 -4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55 2005 0.04 -0.04 0.00  
MONTH TO DATE 0.16 0.84 -0.68 0.38  
SINCE MAR 1 0.44 1.42 -0.98 0.58  
SINCE JAN 1 0.67 2.17 -1.50 0.59  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 21 4 11  
MONTH TO DATE 839 672 167 710  
SINCE MAR 1 2110 1633 477 1690  
SINCE JUL 1 7966 7423 543 6961  
 
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 21 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 7:00 AM  
LOWEST 17 5:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 79 2007  
MINIMUM TEMPERATURE (F) 33 17 1950  
 
SUNRISE AND SUNSET  
APRIL 29 2023.........SUNRISE 6:16 AM MDT SUNSET 8:12 PM MDT  
APRIL 30 2023.........SUNRISE 6:15 AM MDT SUNSET 8:13 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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