199  
CDUS45 KPSR 180815  
CLIIPL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
115 AM MST TUE MAY 18 2021  
   
...............................
 
 
   
..THE IMPERIAL CA CLIMATE SUMMARY FOR MAY 17 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1925 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 422 PM 110 1970 95 -3 99  
MINIMUM 58 343 AM 49 1962 62 -4 69  
AVERAGE 75 78 -3 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1956 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE OCT 1 1.21 1.91 -0.70 3.24  
SINCE JAN 1 1.21 1.20 0.01 2.51  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 127 88 39 105  
SINCE JUL 1 943 965 -22 922  
 
COOLING  
YESTERDAY 10 14 -4 19  
MONTH TO DATE 239 194 45 314  
SINCE MAR 1 555 470 85 561  
SINCE JAN 1 560 485 75 583    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58  
LOWEST 18  
AVERAGE 38  
   
......................................................
 
 
THE IMPERIAL CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 110 2008  
MINIMUM TEMPERATURE (F) 63 50 1938  
1977  
 
SUNRISE AND SUNSET  
MAY 18 2021...........SUNRISE 541 AM PDT SUNSET 737 PM PDT  
MAY 19 2021...........SUNRISE 540 AM PDT SUNSET 737 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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