136  
CDUS45 KRIW 180732  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1231 AM MST SUN FEB 18 2018  
 
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR FEBRUARY 17 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1939 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 347 PM 58 1943 38 9 57  
MINIMUM 15 709 AM -32 2006 16 -1 31  
AVERAGE 31 27 4 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 1992 0.02 -0.02 0.00  
MONTH TO DATE 0.18 0.33 -0.15 0.34  
SINCE DEC 1 2.23 1.33 0.90 2.19  
SINCE JAN 1 0.86 0.84 0.02 0.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 -0.3 0.0  
MONTH TO DATE 2.8 5.9 -3.1 4.9  
SINCE DEC 1 34.5 26.0 8.5 40.9  
SINCE JUL 1 43.7 45.5 -1.8 44.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 38 -4 21  
MONTH TO DATE 678 670 8 556  
SINCE DEC 1 3138 3193 -55 3380  
SINCE JUL 1 4882 5047 -165 4806  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 41 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 22.7  
 
 
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 80 700 AM  
LOWEST 23 400 PM  
AVERAGE 52  
   
......................................................
 
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 64 1958  
MINIMUM TEMPERATURE (F) 16 -31 2006  
 
 
SUNRISE AND SUNSET  
FEBRUARY 18 2018......SUNRISE 659 AM MST SUNSET 541 PM MST  
FEBRUARY 19 2018......SUNRISE 657 AM MST SUNSET 543 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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