356  
CDUS45 KRIW 210030  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
630 PM MDT THU APR 20 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 20 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 39 2:22 PM 79 1989 54 -15 55  
MINIMUM 18 5:25 AM 6 1966 30 -12 26  
AVERAGE 29 42 -13 41  
 
PRECIPITATION (IN)  
TODAY 0.00 1.96 1971 0.03 -0.03 0.00  
MONTH TO DATE 0.06 0.56 -0.50 0.08  
SINCE MAR 1 0.34 1.14 -0.80 0.28  
SINCE JAN 1 0.57 1.89 -1.32 0.29  
 
DEGREE DAYS  
HEATING  
TODAY 36 23 13 24  
MONTH TO DATE 620 498 122 552  
SINCE MAR 1 1891 1459 432 1532  
SINCE JUL 1 7747 7249 498 6803  
 
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 26 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 17.0  
 
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 70  
LOWEST 29  
AVERAGE 50  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 77 1989  
MINIMUM TEMPERATURE (F) 31 14 1970  
 
SUNRISE AND SUNSET  
APRIL 20 2023.........SUNRISE 6:29 AM MDT SUNSET 8:02 PM MDT  
APRIL 21 2023.........SUNRISE 6:27 AM MDT SUNSET 8:03 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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