106  
CDUS46 KSGX 311038  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
238 AM PST SUN DEC 31 2023  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR DECEMBER 30 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 2:16 PM 81 2017 67 -6 59  
MINIMUM 50 11:11 PM 38 2020 45 5 53  
AVERAGE 56 56 0 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.32 2016 0.06 0.07 T  
MONTH TO DATE 0.64 1.55 -0.91 1.36  
SINCE JUL 1 3.34 3.25 0.09 2.89  
SINCE OCT 1 1.14 3.00 -1.86 2.47  
SINCE JAN 1 16.96 10.96 6.00 5.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 9 0 9  
MONTH TO DATE 175 263 -88 284  
SINCE DEC 1 175 263 -88 284  
SINCE JUL 1 247 430 -183 505  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE DEC 1 0 0 0 2  
SINCE JAN 1 888 1016 -128 1319    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 9:00 AM  
LOWEST 72 3:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 73 2011  
MINIMUM TEMPERATURE (F) 45 36 2010  
2012  
2014  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 6:51 AM PST SUNSET 4:52 PM PST  
JANUARY 1 2024.......SUNRISE 6:51 AM PST SUNSET 4:53 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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