574  
CDUS45 KBYZ 220939  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
339 AM MDT MON SEP 22 2008  
 
...................................  
   
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 21 2008
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1934 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 302 PM 91 1938 69 6 72  
MINIMUM 52 1153 PM 28 1995 45 7 44  
AVERAGE 64 57 7 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.67 1991 0.05 -0.05 0.03  
MONTH TO DATE 2.44 0.89 1.55 0.78  
SINCE OCT 1 13.76 14.32 -0.56 15.91  
SINCE JAN 1 10.57 11.64 -1.07 12.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.5 2000 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.0  
SINCE SEP 1 0.0 1.3 -1.3 0.0  
SINCE JUL 1 T 1.3 -1.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 8 -7 7  
MONTH TO DATE 146 118 28 97  
SINCE SEP 1 146 118 28 97  
SINCE JUL 1 156 163 -7 106  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 18 43 -25 64  
SINCE SEP 1 18 43 -25 64  
SINCE JAN 1 657 579 78 849    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 300 AM  
LOWEST 25 300 PM  
AVERAGE 46  
 
..........................................................  
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1938  
MINIMUM TEMPERATURE (F) 45 25 2000  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2008.....SUNRISE 702 AM MDT SUNSET 711 PM MDT  
SEPTEMBER 23 2008.....SUNRISE 703 AM MDT SUNSET 709 PM MDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 

 
 
...THE CLIMATE SUMMARY FOR SOUTHWEST BILLINGS FOR 21 SEPTEMBER 2008...  
 
HIGH TEMPERATURE........................77  
LOW TEMPERATURE.........................53  
 
PRECIPITATION...........................0.00  
MONTHLY PRECIPITATION TOTAL.............2.97  
YEARLY PRECIPITATION TOTAL..............10.89  
 
SNOWFALL................................0.0  
MONTHLY SNOWFALL TOTAL..................0.0  
TOTAL SNOWFALL SINCE JULY 1.............0.0  
 
SNOW DEPTH AT MIDNIGHT..................0  
 

 
 
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