892  
CDUS46 KMTR 010828  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1228 AM PST SAT FEB 01 2025  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR JANUARY 31 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 2:12 PM 77 2015 59 -8 61  
MINIMUM 43 12:12 AM 30 2002 42 1 52  
2023  
AVERAGE 47 51 -4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.67  
MONTH TO DATE 0.06 2.85  
SINCE OCT 1 2.32 5.98  
SINCE JAN 1 0.06 2.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 8  
MONTH TO DATE 474 389  
SINCE DEC 1 875 758  
SINCE JUL 1 1214 1064  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 PM  
LOWEST 85 12:00 AM  
AVERAGE 93  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 74 2018  
MINIMUM TEMPERATURE (F) 42 32 2022  
2023  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2025......SUNRISE 7:12 AM PST SUNSET 5:32 PM PST  
FEBRUARY 2 2025......SUNRISE 7:11 AM PST SUNSET 5:33 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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