274  
CDUS45 KRIW 150743  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
141 AM MDT SUN SEP 15 2019  
 
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 14 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 MM 87 1990 71 7 82  
MINIMUM 46 MM 26 1970 43 3 42  
AVERAGE 62 57 5 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.27 2016 0.03 -0.03 0.00  
MONTH TO DATE 0.27 0.41 -0.14 T  
SINCE SEP 1 0.27 0.41 -0.14 T  
SINCE JAN 1 3.37 6.19 -2.82 2.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 8 -5 3  
MONTH TO DATE 70 80 -10 19  
SINCE SEP 1 70 80 -10 19  
SINCE JUL 1 88 144 -56 53  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 32 7 25 5  
SINCE SEP 1 32 7 25 5  
SINCE JAN 1 333 284 49 393    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1990  
MINIMUM TEMPERATURE (F) 43 24 1970  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2019.....SUNRISE 656 AM MDT SUNSET 726 PM MDT  
SEPTEMBER 16 2019.....SUNRISE 657 AM MDT SUNSET 724 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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