721  
CDUS45 KVEF 180832  
CLIDRA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LAS VEGAS, NV  
132 AM PDT THU SEP 18 2025  
   
...............................
 
 
...THE DESERT ROCK-MERCURY NV CLIMATE SUMMARY FOR SEPTEMBER 17 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1978 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 99 2:38 PM 101 2000 91 8 79  
MINIMUM 61 4:30 AM 49 1982 61 0 52  
AVERAGE 80 76 4 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 1999 0.01 -0.01 0.00  
MONTH TO DATE 0.14 0.23 -0.09 0.00  
SINCE OCT 1 1.89 5.07 -3.18 5.19  
SINCE JAN 1 1.70 3.80 -2.10 5.17  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 11 4 1  
MONTH TO DATE 244 233 11 285  
SINCE SEP 1 244 233 11 285  
SINCE JAN 1 2431 2146 285 2535    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 25 6:00 AM  
LOWEST 18 8:00 PM  
AVERAGE 22  
   
......................................................
 
 
THE DESERT ROCK-MERCURY NV CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 98 1991  
MINIMUM TEMPERATURE (F) 61 45 1978  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 6:29 AM PDT SUNSET 6:46 PM PDT  
SEPTEMBER 19 2025.....SUNRISE 6:30 AM PDT SUNSET 6:45 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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