420  
CDUS45 KRIW 240749  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1249 AM MST TUE NOV 24 2009  
 
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR NOVEMBER 23 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 39 137 PM 60 2006 39 0 40  
MINIMUM 17 823 PM -21 1985 19 -2 16  
AVERAGE 28 29 -1 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.29 1967 0.02 0.02 0.01  
MONTH TO DATE 0.05 0.68 -0.63 0.31  
SINCE SEP 1 2.94 2.80 0.14 2.63  
SINCE JAN 1 14.80 12.27 2.53 11.47  
 
SNOWFALL (IN)  
YESTERDAY 0.5 0.4 0.1 T  
MONTH TO DATE 0.6 9.2 -8.6 0.2  
SINCE SEP 1 15.7 18.3 -2.6 9.6  
SINCE JUL 1 15.7 18.3 -2.6 9.6  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 36 1 37  
MONTH TO DATE 596 718 -122 560  
SINCE SEP 1 1654 1533 121 1458  
SINCE JUL 1 1747 1574 173 1492  
 
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 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 400 AM  
LOWEST 40 300 PM  
AVERAGE 66  
   
......................................................  
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 61 1995  
MINIMUM TEMPERATURE (F) 19 -19 1993  
 
 
SUNRISE AND SUNSET  
NOVEMBER 24 2009......SUNRISE 709 AM MST SUNSET 436 PM MST  
NOVEMBER 25 2009......SUNRISE 711 AM MST SUNSET 435 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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