478  
CDUS45 KRIW 220743  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT MON OCT 22 2018  
 
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR OCTOBER 21 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 315 PM 77 2003 54 10 42  
MINIMUM 33 405 AM 13 1984 31 2 25  
AVERAGE 49 43 6 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 2004 0.03 -0.03 0.00  
MONTH TO DATE 1.05 0.61 0.44 0.02  
SINCE SEP 1 1.05 1.53 -0.48 0.79  
SINCE JAN 1 3.90 7.31 -3.41 5.17  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 22 -6 31  
MONTH TO DATE 498 393 105 465  
SINCE SEP 1 620 657 -37 774  
SINCE JUL 1 654 721 -67 791  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 11 9 2 26  
SINCE JAN 1 399 286 113 394    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 1100 PM  
LOWEST 23 200 PM  
AVERAGE 41  
   
......................................................
 
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 77 2003  
MINIMUM TEMPERATURE (F) 31 17 1984  
 
 
SUNRISE AND SUNSET  
OCTOBER 22 2018.......SUNRISE 736 AM MDT SUNSET 624 PM MDT  
OCTOBER 23 2018.......SUNRISE 738 AM MDT SUNSET 623 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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