021  
CDUS45 KCYS 200329  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
929 PM MDT TUE MAY 19 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 19 2020
 
 
VALID TODAY AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 79 409 PM 93 2009 71 8 49  
MINIMUM 49 505 AM 23 1997 40 9 34  
AVERAGE 64 56 8 42  
 
PRECIPITATION (IN)  
TODAY 0.00 1.54 1957 0.08 -0.08 T  
MONTH TO DATE 2.17 1.43 0.74 1.12  
SINCE JAN 1 3.51 4.29 -0.78 4.00  
 
DEGREE DAYS  
HEATING  
TODAY 1 9 -8 23  
MONTH TO DATE 281 237 44 340  
SINCE MAR 1 1858 1722 136 2083  
SINCE JUL 1 7187 7126 61 7148  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 18.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 AM  
LOWEST 48 200 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 2005  
1992  
MINIMUM TEMPERATURE (F) 41 23 1931  
 
 
SUNRISE AND SUNSET  
MAY 19 2020...........SUNRISE 526 AM MDT SUNSET 810 PM MDT  
MAY 20 2020...........SUNRISE 526 AM MDT SUNSET 811 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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