881  
CDUS45 KRIW 150727  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SUN DEC 15 2024  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 14 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 4:43 PM 52 1977 29 5 36  
MINIMUM 16 8:13 AM -10 2008 13 3 13  
AVERAGE 25 21 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 1975 0.01 -0.01 0.00  
MONTH TO DATE T 0.14 -0.14 0.01  
SINCE DEC 1 T 0.14 -0.14 0.01  
SINCE JAN 1 5.69 7.38 -1.69 5.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 44 -4 40  
MONTH TO DATE 552 595 -43 509  
SINCE DEC 1 552 595 -43 509  
SINCE JUL 1 2190 2549 -359 2198  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 445 320 125 323    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1:00 AM  
LOWEST 61 10:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 51 2006  
MINIMUM TEMPERATURE (F) 13 -16 1972  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 7:36 AM MST SUNSET 4:47 PM MST  
DECEMBER 16 2024......SUNRISE 7:37 AM MST SUNSET 4:47 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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