640  
CXUS55 KCYS 041039  
CLMSNY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
428 AM MDT MON JUN 4 2018  
   
...............................
 
 
   
..THE SIDNEY NE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2018  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
.........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 98 05/22/2012  
LOW 16 05/09/2002  
HIGHEST 96 05/26 MM MM 83  
LOWEST 34 05/02 MM MM 25  
AVG. MAXIMUM 74.9 71.6 3.3 67.6  
AVG. MINIMUM 45.9 43.6 2.3 39.5  
MEAN 60.4 57.6 2.8 53.6  
DAYS MAX >= 90 3 1.0 0  
DAYS MAX <= 32 0 0.0 0  
DAYS MIN <= 32 0 1.6 6  
DAYS MIN <= 0 0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 7.99 2015  
MINIMUM 0.00 2011  
TOTALS 4.51 3.09 1.42 1.97  
DAYS >= .01 11 11.8 -0.8 13  
DAYS >= .10 8 5.8 2.2 5  
DAYS >= .50 4 1.8 2.2 1  
DAYS >= 1.00 1 0.5 0.5 0  
GREATEST  
24 HR. TOTAL 1.53 05/19 TO 05/19  
 
DEGREE_DAYS  
HEATING TOTAL 178 250 -72 348  
SINCE 7/1 6477 6162 315 5765  
COOLING TOTAL 44 21 23 0  
SINCE 1/1 44 22 22 0    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 10.7  
HIGHEST WIND SPEED/DIRECTION 48/270 DATE 05/17  
HIGHEST GUST SPEED/DIRECTION 66/270 DATE 05/17  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) 0  
AVERAGE SKY COVER 0.30  
NUMBER OF DAYS FAIR 19  
NUMBER OF DAYS PC 6  
NUMBER OF DAYS CLOUDY 6  
 
AVERAGE RH (PERCENT) 67  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 12 MIXED PRECIP 0  
HEAVY RAIN 4 RAIN 8  
LIGHT RAIN 16 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 13 FOG W/VIS <= 1/4 MILE 4  
HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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