034  
CDUS45 KRIW 290730  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST FRI DEC 29 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 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 23 5:16 PM 49 2005 28 -5 36  
MINIMUM -5 8:05 AM -15 2015 13 -18 17  
AVERAGE 9 21 -12  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.13 1957 0.01 -0.01 0.01  
MONTH TO DATE 0.02 0.28 -0.26 0.15  
SINCE DEC 1 0.02 0.28 -0.26 0.15  
SINCE JAN 1 5.26 7.52 -2.26 4.20  
 
DEGREE DAYS  
HEATING  
YESTERDAY 56 44 12 38  
MONTH TO DATE 1084 1211 -127 987  
SINCE DEC 1 1084 1211 -127 987  
SINCE JUL 1 2773 3165 -392 2908  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 323 320 3 537    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 AM  
LOWEST 78 5:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 47 2017  
MINIMUM TEMPERATURE (F) 13 -11 1978  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 7:42 AM MST SUNSET 4:54 PM MST  
DECEMBER 30 2023......SUNRISE 7:43 AM MST SUNSET 4:55 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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