037  
CDUS45 KRIW 230737  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT FRI OCT 23 2009  
 
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 22 2009
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1939 TO 2009  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 52 200 PM 80 2003 57 -5 43  
MINIMUM 19 648 AM 10 1984 30 -11 23  
AVERAGE 36 43 -7 33  
 
PRECIPITATION (IN)  
YESTERDAY T 0.69 1986 0.03 -0.03 0.00  
MONTH TO DATE 1.04 0.87 0.17 1.58  
SINCE SEP 1 2.66 1.85 0.81 2.32  
SINCE JAN 1 14.52 11.32 3.20 11.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 -0.3 0.0  
MONTH TO DATE 9.6 4.4 5.2 9.4  
SINCE SEP 1 10.9 6.4 4.5 9.4  
SINCE JUL 1 10.9 6.4 4.5 9.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 21 8 32  
MONTH TO DATE 598 368 230 435  
SINCE SEP 1 796 601 195 715  
SINCE JUL 1 889 642 247 749  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 32 27 5 8  
SINCE JAN 1 221 428 -207 375    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 35 200 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 81 2003  
MINIMUM TEMPERATURE (F) 29 11 1984  
 
 
SUNRISE AND SUNSET  
OCTOBER 23 2009.......SUNRISE 729 AM MDT SUNSET 610 PM MDT  
OCTOBER 24 2009.......SUNRISE 731 AM MDT SUNSET 609 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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