141  
CDUS45 KTFX 180915  
CLISDY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
200 AM MT SEP 18 2021  
   
...............................
 
 
   
..THE SIDNEY APT CLIMATE SUMMARY FOR 17 SEP 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1954 TO 2021  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 95 2009 74 0 72  
MINIMUM 35 28 2006 44 -9 38  
AVERAGE 55 59 -4 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 2019 0.04 -0.04 0.00  
MONTH TO DATE 0.04 0.69 -0.65 0.30  
SINCE OCT 1 MM 4.37 MM MM  
SINCE JAN 1 MM 11.59 MM MM  
 
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 6 4 10  
MONTH TO DATE 55 35 20 142  
SINCE JAN 1 4815 4380 435 MM  
SINCE JUL 1 87 35 52 MM  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 27 1 26 5  
SINCE JAN 1 744 242 502 MM  
SINCE JUL 1 744 242 502 MM  
   
..............................................................
 
 
WIND (MPH)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 10.3  
 
- INDICATES NEGATIVE NUMBERS.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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