853  
CDUS45 KRIW 160734  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1234 AM MST SAT DEC 16 2023  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 15 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 40 3:17 PM 51 2006 29 11 16  
MINIMUM 20 5:01 AM -16 1972 13 7 -4  
AVERAGE 30 21 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.27 1992 0.01 -0.01 0.01  
MONTH TO DATE 0.01 0.15 -0.14 0.05  
SINCE DEC 1 0.01 0.15 -0.14 0.05  
SINCE JAN 1 5.25 7.39 -2.14 4.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 44 -9 59  
MONTH TO DATE 544 639 -95 688  
SINCE DEC 1 544 639 -95 688  
SINCE JUL 1 2233 2593 -360 2609  
 
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 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.2  
 
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 88 5:00 AM  
LOWEST 44 2:00 PM  
AVERAGE 66  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 51 1980  
MINIMUM TEMPERATURE (F) 13 -12 1972  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 7:37 AM MST SUNSET 4:47 PM MST  
DECEMBER 17 2023......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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